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F BRAKES
SECTION
BRAKE CONTROL SYSTEM
B
C
D
A
E
CONTENTS
TCS/ABS
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 3
Precautions for Brake System .................................. 3
Precautions When Using CONSULT-II ..................... 3
CHECK POINTS FOR USING CONSULT-II ......... 3
Precautions for Brake Control .................................. 4
Precautions for CAN System ................................... 4
PREPARATION ........................................................... 5
Special Service Tool ................................................. 5
Commercial Service Tools ........................................ 5
SYSTEM DESCRIPTION ............................................ 6
System Diagram ....................................................... 6
ABS Function ........................................................... 6
EBD Function ........................................................... 6
TCS Function ........................................................... 6
Wheel Sensors ......................................................... 7
Fail-Safe Function .................................................... 7
ABS/EBD SYSTEM ............................................... 7
TCS SYSTEM ....................................................... 7
Hydraulic Circuit Diagram ........................................ 8
CAN COMMUNICATION ............................................ 9
System Description .................................................. 9
TROUBLE DIAGNOSIS ............................................ 10
How to Perform Trouble Diagnoses for Quick and
Accurate Repair ..................................................... 10
INTRODUCTION ................................................. 10
WORK FLOW .......................................................11
CLARIFY CONCERN .......................................... 12
EXAMPLE OF DIAGNOSIS SHEET ................... 12
Schematic .............................................................. 15
Wiring Diagram — TCS — ..................................... 16
Basic Inspection ..................................................... 20
BRAKE FLUID LEVEL, FLUID LEAK, AND
BRAKE PAD INSPECTION ................................. 20
POWER SYSTEM TERMINAL LOOSENESS
AND BATTERY INSPECTION ............................. 20
ABS WARNING LAMP AND SLIP INDICATOR
LAMP INSPECTION ............................................ 20
Warning Lamp and Indicator Timing ....................... 20
Control Unit Input/Output Signal Standard ............. 21
REFERENCE VALUE FROM CONSULT-II ......... 21
CONSULT-II Function (ABS) .................................. 23
CONSULT-II START PROCEDURE .................... 23
SELF-DIAGNOSIS .............................................. 23
DATA MONITOR ................................................. 25
ACTIVE TEST ..................................................... 27
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC
ITEMS ........................................................................ 29
Wheel Sensor System Inspection ........................... 29
Engine System Inspection ...................................... 30
ABS/TCS Control Unit Inspection ........................... 31
Solenoid Valve System Inspection ......................... 31
BRC
G
H
I
J
K
Stop Lamp Switch System Inspection .................... 33
ABS/TCS Control Unit Power and Ground Systems
Inspection ............................................................... 34
CAN Communication System Inspection ................ 35
Component Inspection ............................................ 35
TCS OFF SWITCH .............................................. 35
TROUBLE DIAGNOSES FOR SYMPTOMS ............ 36
ABS Works Frequently ........................................... 36
Unexpected Pedal Action ....................................... 37
Long Stopping Distance .......................................... 38
ABS Does Not Work ............................................... 38
Pedal Vibration or ABS Operation Noise ................ 38
ABS Warning Lamp Stays On When Ignition Switch
Is Turned On ........................................................... 39
Vehicle Jerks During TCS Activation ...................... 40
WHEEL SENSORS ................................................... 41
Removal and Installation ........................................ 41
REMOVAL ........................................................... 41
INSTALLATION ................................................... 41
L
M
Revision: May 2006
BRC-1
2007 Maxima
SENSOR ROTOR ...................................................... 42
Removal and Installation ........................................ 42
REMOVAL ........................................................... 42
INSTALLATION .................................................... 42
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY) ... 43
Removal and Installation ........................................ 43
REMOVAL ........................................................... 43
INSTALLATION .................................................... 43
VDC/TCS/ABS
PRECAUTIONS ......................................................... 45
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................. 45
Precautions for Brake System ................................ 45
Precautions When Using CONSULT-II ................... 45
CHECK POINTS FOR USING CONSULT-II ........ 45
Precautions for Brake Control ................................ 46
Precautions for CAN System .................................. 46
PREPARATION ......................................................... 48
Special Service Tool ............................................... 48
Commercial Service Tools ...................................... 48
SYSTEM DESCRIPTION .......................................... 49
System Components .............................................. 49
ABS Function .......................................................... 49
EBD Function ......................................................... 49
TCS Function .......................................................... 50
VDC Function ......................................................... 50
Wheel Sensors ....................................................... 51
Fail-Safe Function .................................................. 51
ABS/EBD SYSTEM ............................................. 51
VDC/TCS SYSTEM ............................................. 51
Hydraulic Circuit Diagram ....................................... 52
CAN COMMUNICATION ........................................... 53
System Description ................................................. 53
TROUBLE DIAGNOSIS ............................................ 54
How to Perform Trouble Diagnoses for Quick and
Accurate Repair ...................................................... 54
INTRODUCTION ................................................. 54
WORK FLOW ...................................................... 55
CLARIFY CONCERN .......................................... 56
EXAMPLE OF DIAGNOSIS SHEET .................... 56
Component Parts and Harness Connector Location ... 57
Schematic ............................................................... 59
Wiring Diagram — VDC — ..................................... 60
Basic Inspection ..................................................... 66
BRAKE FLUID LEVEL, FLUID LEAK, AND
BRAKE PAD INSPECTION ................................. 66
POWER SYSTEM TERMINAL LOOSENESS
AND BATTERY INSPECTION ............................. 66
ABS WARNING LAMP, SLIP INDICATOR LAMP
AND VDC OFF INDICATOR LAMP INSPECTION ... 66
Warning Lamp and Indicator Timing ....................... 67
Control Unit Input/Output Signal Standard .............. 67
REFERENCE VALUE FROM CONSULT-II ..........67
CONSULT-II Function (ABS) ...................................70
CONSULT-II START PROCEDURE .....................70
SELF-DIAGNOSIS ...............................................70
DATA MONITOR ..................................................73
ACTIVE TEST ......................................................75
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC
ITEMS ........................................................................77
Wheel Sensor System Inspection ...........................77
Engine System Inspection ......................................78
ABS/TCS/VDC Control Unit Inspection ...................79
Steering Angle Sensor System Inspection ..............79
Yaw Rate/Side/Decel G Sensor System Inspection ...81
Solenoid and VDC Change-Over Valve System
Inspection ................................................................82
Actuator Motor, Motor Relay, and Circuit Inspection ...83
Stop Lamp Switch System Inspection .....................84
ABS/TCS/VDC Control Unit Power and Ground
Systems Inspection .................................................85
Brake Fluid Level Switch System Inspection ..........86
CAN Communication System Inspection ................87
Component Inspection ............................................87
VDC OFF SWITCH ..............................................87
TROUBLE DIAGNOSES FOR SYMPTOMS .............88
ABS Works Frequently ............................................88
Unexpected Pedal Action ........................................89
Long Stopping Distance ..........................................90
ABS Does Not Work ...............................................90
Pedal Vibration or ABS Operation Noise ................90
ABS Warning Lamp Stays On When Ignition Switch
Is Turned On ...........................................................91
Vehicle Jerks During TCS/VDC Activation ..............92
ON-VEHICLE SERVICE ............................................93
WHEEL SENSORS ...................................................94
Removal and Installation .........................................94
REMOVAL ............................................................94
INSTALLATION ....................................................94
SENSOR ROTOR ......................................................95
Removal and Installation .........................................95
REMOVAL ............................................................95
INSTALLATION ....................................................95
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY) ...96
Removal and Installation .........................................96
REMOVAL ............................................................96
INSTALLATION ....................................................96
STEERING ANGLE SENSOR ...................................98
Removal and Installation .........................................98
G SENSOR ................................................................99
Removal and Installation .........................................99
REMOVAL ............................................................99
INSTALLATION ....................................................99
Revision: May 2006
BRC-2
2007 Maxima
PRECAUTIONS
[TCS/ABS]
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EFS00637
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Manual.
WARNING:
●
To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in the event of a collision which would result in air bag inflation, all maintenance must be performed by an authorized NISSAN/INFINITI dealer.
●
●
Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness connectors.
A
B
C
D
E
BRC
G
Precautions for Brake System
EFS004FC
CAUTION:
●
Refer to MA-9, "RECOMMENDED FLUIDS AND LUBRICANTS" for recommended brake fluid.
●
Never reuse drained brake fluid.
●
Be careful not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is splashed on painted areas, wash it away with water immediately.
●
To clean or wash all parts of master cylinder and disc brake caliper, use clean brake fluid.
●
Never use mineral oils such as gasoline or kerosene. They will ruin rubber parts of the hydraulic system.
●
●
●
Use flare nut wrench when removing and installing brake tube.
If a brake fluid leak is found, the part must be disassembled without fail. Then it has to be replaced with a new one if a defect exists.
Turn the ignition switch OFF and remove the connector of the ABS actuator and electric unit (control unit) or the battery terminal before performing the work.
●
●
Always torque brake lines when installing.
Burnish the brake contact surfaces after refinishing or
SBR686C
replacing rotors, after replacing pads, or if a soft pedal occurs at very low mileage.
Refer to BR-28, "Brake Burnishing" (front disc brakes) or BR-35, "Brake Burnishing" (rear disc brakes).
WARNING:
●
Clean brake pads and shoes with a waste cloth, then wipe with a dust collector.
Precautions When Using CONSULT-II
EFS004FD
When connecting CONSULT-II to data link connector, connect them through CONSULT-II CONVERTER.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication.
CHECK POINTS FOR USING CONSULT-II
1.
Has CONSULT-II been used without connecting CONSULT-II CONVERTER on this vehicle?
●
If YES, GO TO 2.
Revision: May 2006
BRC-3
2007 Maxima
H
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J
K
L
M
PRECAUTIONS
[TCS/ABS]
●
If NO, GO TO 5.
2.
Is there any indication other than indications relating to CAN communication system in the self-diagnosis results?
●
If YES, GO TO 3.
●
If NO, GO TO 4.
3.
Based on self-diagnosis results unrelated to CAN communication, carry out the inspection.
4.
Malfunctions may be detected in self-diagnosis depending on control units carrying out CAN communication. Therefor, erase the self-diagnosis results.
5.
Diagnose CAN communication system. Refer to LAN-44, "TROUBLE DIAGNOSIS" .
Precautions for Brake Control
●
●
●
●
●
●
●
EFS004FE
During ABS operation, the brake pedal may vibrate lightly and a mechanical noise may be heard. This is normal.
Just after starting vehicle, the brake pedal may vibrate or a motor operating noise may be heard from engine compartment. This is a normal status of operation check.
Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel, or snow-covered (fresh, deep snow) roads.
When an error is indicated by ABS or another warning lamp, collect all necessary information from customer (what symptoms are present under what conditions) and check for simple causes before starting diagnosis. Besides electrical system inspection, check booster operation, brake fluid level, and fluid leaks.
If incorrect tire sizes or types are installed on the vehicle or brake pads are not Genuine NISSAN parts, stopping distance or steering stability may deteriorate.
If there is a radio, antenna or related wiring near control module, ABS function may have a malfunction or error.
If aftermarket parts (car stereo, CD player, etc.) have been installed, check for incidents such as harness pinches, open circuits or improper wiring.
●
●
●
●
Precautions for CAN System
Do not apply voltage of 7.0V or higher to terminal to be measured.
Maximum open terminal voltage of tester in use must be less than 7.0V.
Before checking harnesses, turn ignition switch OFF and disconnect battery negative cable.
Area to be repaired must be soldered and wrapped with tape.
Make sure that fraying of twisted wire is within 110 mm (4.33 in).
EFS004FF
PKIA0306E
●
Do not make a bypass connection to repaired area. (If the circuit is bypassed, characteristics of twisted wire will be lost.)
Revision: May 2006
BRC-4
PKIA0307E
2007 Maxima
PREPARATION
[TCS/ABS]
PREPARATION
Special Service Tool
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
PFP:00002
EFS00632
Tool number
(Kent-Moore No.)
Tool name
(J-45741)
ABS active wheel sensor tester
Description
Checking operation of ABS active wheel sensor
A
B
C
D
WFIA0101E
Commercial Service Tools
Tool name
1. Flare nut crowfoot
2. Torque wrench
Description
Removing and installing brake piping
a: 10mm (0.39 in)/12mm (0.47 in)
EFS00633
E
BRC
G
H
S-NT360
I
J
K
L
M
Revision: May 2006
BRC-5
2007 Maxima
SYSTEM DESCRIPTION
System Diagram
SYSTEM DESCRIPTION
[TCS/ABS]
PFP:00000
EFS004FJ
WFIA0445E
●
●
ABS Function
●
●
●
●
EFS004FK
The Anti-Lock Brake System detects wheel revolution while braking and improves handling stability during sudden braking by electrically preventing wheel lockup. Maneuverability is also improved for avoiding obstacles.
If the electrical system malfunctions, the Fail-Safe function is activated, the ABS becomes inoperative and the ABS warning lamp turns on.
The electrical system can be diagnosed using CONSULT-II.
During ABS operation, the brake pedal may vibrate lightly and a mechanical noise may be heard. This is normal.
Just after starting the vehicle, the brake pedal may vibrate or a motor operating noise may be heard from engine compartment. This is a normal status of operation check.
Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel, or snow-covered (fresh, deep snow) roads.
●
●
EBD Function
●
●
●
●
EFS004FL
Electronic Brake Distribution is a function that detects subtle slippages between the front and rear wheels during braking, and it improves handling stability by electronically controlling the brake fluid pressure which results in reduced rear wheel slippage.
If the electrical system malfunctions, the Fail-Safe function is activated, the EBD and ABS become inoperative, and the ABS warning lamp and BRAKE warning lamp are turned on.
The electrical system can be diagnosed using CONSULT-II.
During EBD operation, the brake pedal may vibrate lightly and a mechanical noise may be heard. This is normal.
Just after starting the vehicle, the brake pedal may vibrate or a motor operating noise may be heard from engine compartment. This is a normal status of operation check.
Stopping distance may be longer than that of vehicles without EBD when vehicle drives on rough, gravel, or snow-covered (fresh, deep snow) roads.
TCS Function
●
EFS004FM
Spinning of the drive wheels is detected by the ABS/TCS control unit using inputs from the wheel speed sensors. If wheel spin occurs, the drive wheel right and left brake fluid pressure control and engine fuel cut are conducted while the throttle value is restricted to reduce the engine torque and decrease the amount of wheel spin. In addition, the throttle opening is controlled to achieve the optimum engine torque.
Revision: May 2006
BRC-6
2007 Maxima
SYSTEM DESCRIPTION
[TCS/ABS]
●
●
Depending on road condition, the vehicle may have a sluggish feel. This is normal, because optimum traction has the highest priority during TCS operation.
TCS may be activated during sudden vehicle acceleration, wide open throttle acceleration, sudden transmission shifts or when the vehicle is driven on a road with a varying surface friction coefficient.
The SLIP indicator lamp flashes to inform the driver of TCS operation.
●
Wheel Sensors
EFS004FN
A
B
C
The front sensor units consist of a gear-shaped sensor rotor and a sensor element. The element contains a magnet around which a coil is wound. The front wheel sensors are installed on the front of the wheel knuckles. As the wheel rotates, the sensor generates a square-wave signal. The frequency increases as the wheel speed increases.
D
E
The rear sensor units consist of wheel hubs with a series of internal magnets and a sensor element. The rear wheel sensors are installed on the inner side of the wheel knuckles. As the wheel rotates, the sensor generates a square-wave signal. The frequency increases as the wheel speed increases.
LBR333
BRC
G
H
I
WFIA0033E
Fail-Safe Function
CAUTION:
If the Fail-Safe function is activated, perform the Self Diagnosis for ABS/TCS system.
EFS004FO
ABS/EBD SYSTEM
In case of an electrical malfunction with the ABS, the ABS warning lamp and SLIP indicator lamp will turn on.
In case of an electrical malfunction with the EBD system, the BRAKE warning lamp, ABS warning lamp and
SLIP indicator lamp will turn on.
The system will revert to one of the following conditions of the Fail-Safe function.
1.
For ABS malfunction, only the EBD is operative and the condition of the vehicle is the same condition of vehicles without ABS/TCS system.
2.
For EBD malfunction, the EBD and ABS become inoperative, and the condition of the vehicle is the same as the condition of vehicles without ABS/TCS or EBD system.
TCS SYSTEM
In case of TCS system malfunction, the SLIP indicator lamp is turned on and the condition of the vehicle is the same as the condition of vehicles without TCS system. In case of an electrical malfunction with the TCS system, the ABS control continues to operate normally without TCS control.
J
K
L
M
Revision: May 2006
BRC-7
2007 Maxima
Hydraulic Circuit Diagram
SYSTEM DESCRIPTION
[TCS/ABS]
EFS004FP
PFIA0422E
Revision: May 2006
BRC-8
2007 Maxima
CAN COMMUNICATION
CAN COMMUNICATION
System Description
Refer to LAN-4, "SYSTEM DESCRIPTION" .
[TCS/ABS]
PFP:23710
EFS004FQ
A
B
BRC
G
H
C
D
E
K
L
I
J
M
Revision: May 2006
BRC-9
2007 Maxima
TROUBLE DIAGNOSIS
TROUBLE DIAGNOSIS
How to Perform Trouble Diagnoses for Quick and Accurate Repair
INTRODUCTION
The ABS/TCS system has an electronic control unit to control major functions. The control unit accepts input signals from sensors and controls actuator operation. It is also important to check for conventional malfunctions such as air leaks in the booster or lines, lack of brake fluid, or other malfunctions with the brake system.
It is much more difficult to diagnose a malfunction that occurs intermittently rather than continuously. Most intermittent malfunctions are caused by poor electrical connections or wiring. In this case, careful checking of suspicious circuits may help prevent the replacement of good parts.
A visual check only may not find the cause of the malfunction, so a road test should be performed.
Before undertaking actual checks, take just a few minutes to talk with a customer who approaches with an ABS/TCS complaint. The customer is a very good source of information, especially for intermittent malfunctions. Through the talks with the customer, find out what symptoms are present and under what conditions they occur.
Start your diagnosis by looking for “conventional” malfunctions first.
This is one of the best ways to troubleshoot brake malfunctions on an ABS/TCS equipped vehicle. Also check related Service Bulletins for information.
[TCS/ABS]
PFP:00000
EFS004FR
SEF233G
SEF234G
Revision: May 2006
BRC-10
2007 Maxima
WORK FLOW
TROUBLE DIAGNOSIS
[TCS/ABS]
K
L
I
J
M
BRC
G
H
C
D
E
A
B
Revision: May 2006
BRC-11
WFIA0532E
2007 Maxima
TROUBLE DIAGNOSIS
CLARIFY CONCERN
●
●
A customer's description of a vehicle concern may vary depending on the individual. It is important to clarify the customer's concern.
Ask the customer about what symptoms are present under what conditions. Use this information to reproduce the symptom while driving.
●
It is also important to use the diagnosis sheet to understand what type of trouble the customer is having.
EXAMPLE OF DIAGNOSIS SHEET
[TCS/ABS]
SBR339B
WFIA0097E
Revision: May 2006
BRC-12
2007 Maxima
TROUBLE DIAGNOSIS
Component Parts and Harness Connector Location
[TCS/ABS]
EFS004FS
A
B
BRC
G
H
C
D
E
K
L
I
J
M
Revision: May 2006
BRC-13
WFIA0487E
2007 Maxima
1.
Rear wheel sensor RH B122
4.
Front wheel sensor LH E18
7.
Rear wheel sensor LH B123
TROUBLE DIAGNOSIS
[TCS/ABS]
2.
ABS actuator and electric unit (control unit) E125 (engine removed for clarity)
5.
TCS OFF switch M6
3.
Front wheel sensor RH E117
6.
Combination meter M24
Revision: May 2006
BRC-14
2007 Maxima
Schematic
TROUBLE DIAGNOSIS
[TCS/ABS]
EFS004FT
A
B
BRC
G
H
C
D
E
K
L
I
J
M
Revision: May 2006
BRC-15
WFWA0423E
2007 Maxima
Wiring Diagram — TCS —
TROUBLE DIAGNOSIS
[TCS/ABS]
EFS004FU
Revision: May 2006
BRC-16
WFWA0424E
2007 Maxima
Revision: May 2006
TROUBLE DIAGNOSIS
[TCS/ABS]
K
L
I
J
M
BRC
G
H
C
D
E
A
B
BRC-17
WFWA0425E
2007 Maxima
TROUBLE DIAGNOSIS
[TCS/ABS]
Revision: May 2006
BRC-18
WFWA0426E
2007 Maxima
Revision: May 2006
TROUBLE DIAGNOSIS
[TCS/ABS]
K
L
I
J
M
BRC
G
H
C
D
E
A
B
BRC-19
WFWA0427E
2007 Maxima
TROUBLE DIAGNOSIS
[TCS/ABS]
Basic Inspection
BRAKE FLUID LEVEL, FLUID LEAK, AND BRAKE PAD INSPECTION
1.
Check fluid level in the brake fluid reservoir. If fluid level is low, add fluid.
EFS004FV
2.
Check the brake piping and around the ABS actuator and electric unit (control unit) for leaks. If there is leaking or seeping fluid, check the following items.
●
If ABS actuator and electric unit (control unit) connection is loose, tighten the piping to the specified torque and recheck for leaks.
●
●
If there is damage to the connection flare nut or ABS actuator and electric unit (control unit) screw, replace the damaged part and recheck for leaks.
When there is fluid leaking or seeping from a fluid connection, use a clean cloth to wipe off the fluid and recheck for leaks. If fluid is still seeping out, replace the damaged part. If the fluid is leaking at the ABS actuator and electric unit (control unit), replace the ABS actuator and electric unit (control unit) assembly.
CAUTION:
The ABS actuator and electric unit (control unit) cannot be disassembled and must be replaced as an assembly.
3.
Check the brake pads for excessive wear.
POWER SYSTEM TERMINAL LOOSENESS AND BATTERY INSPECTION
Make sure the battery positive cable, negative cable and ground connection are not loose. In addition, make sure the battery is sufficiently charged.
ABS WARNING LAMP AND SLIP INDICATOR LAMP INSPECTION
1.
Make sure ABS warning lamp and SLIP indicator lamp turn on for approximately 2 seconds when the ignition switch is turned ON. Check CAN communications. If there are no errors with the CAN communication system, check combination meter. Refer to DI-5, "COMBINATION METERS" .
2.
Make sure the lamps turn off approximately 2 seconds after the ignition switch is turned ON. If the lamp does not turn off, conduct self-diagnosis.
3.
Make sure ABS warning lamp and SLIP indicator lamp turn off approximately 2 seconds after the engine is started. If ABS warning lamp and SLIP indicator lamp have not turned off 10 seconds after the engine has been started, conduct self-diagnosis of the ABS actuator and electric unit (control unit).
4.
After conducting the self-diagnosis, be sure to erase the error memory. Refer to
Warning Lamp and Indicator Timing
EFS004FW
×
: ON –: OFF
Condition
ABS warning lamp
–
TCS OFF indicator lamp
–
SLIP indicator lamp
–
Remarks
– When the ignition switch is OFF
After the ignition switch is turned
ON
For approx. 2 seconds
Ignition switch ON
Approx. 2 seconds later
When the TCS OFF switch turns
ON (TCS function OFF).
×
–
–
×
–
×
×
–
–
–
–
–
× × ×
TCS/ABS malfunction
When the TCS is malfunctioning.
×
–
×
×
–
×
–
When the TCS/ABS control unit is malfunctioning (power supply or ground malfunction).
–
Revision: May 2006
BRC-20
2007 Maxima
TROUBLE DIAGNOSIS
[TCS/ABS]
Control Unit Input/Output Signal Standard
REFERENCE VALUE FROM CONSULT-II
EFS004FX
CAUTION:
The display shows the control unit calculation data, so a normal value might be displayed even in the event the output circuit (harness) is open or short circuited.
Monitor item
FR RH SENSOR
FR LH SENSOR
RR RH SENSOR
RR LH SENSOR
ACCEL POS SIG
ENGINE SPEED
BATTERY VOLT
STOP LAMP SW
ABS WARN LAMP
MOTOR RELAY
ACTUATOR RLY
SLIP LAMP
FR LH IN SOL
FR LH OUT SOL
FR RH IN SOL
FR RH OUT SOL
RR RH IN SOL
RR RH OUT SOL
RR LH IN SOL
RR LH OUT SOL
Display content
Wheel speed
Open/close condition of throttle valve (linked with accelerator pedal).
With engine running
Battery voltage supplied to ABS actuator and electric unit (control unit)
Brake pedal operation
ABS warning lamp ON condition (Note 2)
Condition
Vehicle stopped
Data monitor
Vehicle running (Note 1)
Reference value in normal operation
0 [km/h (MPH)]
Almost in accordance with speedometer display
(within
±
10%)
Note: Error inspection checklist
Accelerator pedal not depressed (ignition switch is
ON)
Depress accelerator pedal
(ignition switch is ON)
With engine stopped
0%
0 to 100%
BRC-35, "CAN Communication System Inspection"
Engine running
0 rpm
Almost in accordance with tachometer display
Ignition switch ON
Brake pedal depressed
Brake pedal not depressed
ABS warning lamp ON
ABS warning lamp OFF
10 to 16V
ON
OFF
ON
OFF
BRC-34, "ABS/TCS Control Unit Power and
Operation status of motor and motor relay
Actuator relay operation status
SLIP indicator lamp status (Note 4)
Solenoid valve operation
TCS FAIL SIG
ABS FAIL SIG
EBD FAIL SIG
Fail signal status
Note 1: Confirm tire pressure is normal.
Ignition switch ON or engine running (ABS not operated)
Ignition switch ON or engine running (ABS operated)
Vehicle stopped (Ignition switch ON)
Vehicle stopped (Engine running)
When SLIP indicator lamp is
ON
When SLIP indicator lamp is
OFF
Actuator (solenoid) is active
(“ACTIVE TEST” with CON-
SULT-II) or actuator relay is inactive (in fail-safe mode).
When actuator (solenoid) is not active and actuator relay is active (ignition switch ON).
TCS fail
ABS fail
EBD fail
OFF
ON
OFF
ON
ON
OFF
ON
OFF
OFF
DI-8, "Arrangement of
Combination Meter"
TCS system
ABS system
—
EBD system
Revision: May 2006
BRC-21
2007 Maxima
A
B
C
D
E
BRC
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TROUBLE DIAGNOSIS
[TCS/ABS]
Note 2: ON/OFF timing of ABS warning lamp
ON: For approximately 2 seconds after ignition switch is turned ON, or when a malfunction is detected.
OFF: Approximately 2 seconds after ignition switch is turned ON (when system is in normal operation) and TCS function is not activated.
Note 4: SLIP indicator lamp ON/OFF timing
ON: For approximately 2 seconds after ignition switch is turned ON, or when a malfunction is detected and TCS function is activated while driving.
OFF: Approximately 2 seconds after ignition switch is turned ON (when system is in normal operation) and TCS function is not activated.
Flashing: TCS function is active during driving
Revision: May 2006
BRC-22
2007 Maxima
TROUBLE DIAGNOSIS
[TCS/ABS]
CONSULT-II Function (ABS)
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
EFS004FY
ABS diagnostic mode
WORK SUPPORT
Description
Supports inspection and adjustments. Commands are transmitted to the ABS actuator and electric unit (control unit) for setting the status suitable for required operation, input/output signals are received from the ABS actuator and electric unit (control unit) and received data is displayed.
SELF-DIAG RESULTS
DATA MONITOR
Displays ABS actuator and electric unit (control unit) self-diagnosis results.
Displays ABS actuator and electric unit (control unit) input/output data in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
FUNCTION TEST
ECU PART NUMBER
Conducted by CONSULT-II instead of a technician to determine whether each system is "OK" or
"NG".
ABS actuator and electric unit (control unit) part number can be read.
A
B
C
D
E
CONSULT-II START PROCEDURE
Refer to GI-37, "CONSULT-II Start Procedure" .
SELF-DIAGNOSIS
Description
If an error is detected in the system, the ABS warning lamp will turn on. In this case, perform self-diagnosis as follows:
BRC
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Operation Procedure
1.
Turn ignition switch OFF.
2.
Connect CONSULT-II and CONSULT-II CONVERTER to the data link connector.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication.
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3.
Turn ignition switch ON.
4.
Start engine and drive at approximately 30 km/h (19 MPH) for approximately 1 minute.
5.
After stopping the vehicle, with the engine running, touch “START (NISSAN BASED VHCL)”, “ABS”,
“SELF-DIAG RESULTS” in order on the CONSULT-II screen.
CAUTION:
If “START (NISSAN BASED VHCL)” is touched immediately after starting the engine or turning on the ignition switch, “ABS” might not be displayed in the SELECT SYSTEM screen. In this case, repeat the operation from step 1.
6.
The self-diagnostic results are displayed. (If necessary, the self-diagnostic results can be printed out by touching “COPY”.)
●
When “NO DTC IS DETECTED” is displayed, check the ABS warning lamp and SLIP indicator lamp.
7.
Conduct the appropriate inspection from the display item list, and repair or replace the malfunctioning component.
8.
Start engine and drive at approximately 30 km/h (19 MPH) for approximately 1 minute.
CAUTION:
●
When a wheel sensor “short-circuit” is detected, if the vehicle is not driven at 30 km/h (19 MPH) for at least 1 minute, the ABS warning lamp will not turn off even if the malfunction is repaired.
9.
Turn ignition switch OFF to prepare for erasing the memory.
10. Start the engine and touch “START (NISSAN BASED VHCL)”, “ABS”, “SELF-DIAG RESULTS”, “ERASE” in order on the CONSULT-II screen to erase the error memory.
If “ABS” is not indicated, go to GI-39, "CONSULT-II Data Link Connector (DLC) Circuit" .
CAUTION:
If the error memory is not erased, re-conduct the operation from step 5.
11. For the final inspection, drive at approximately 30 km/h (19 MPH) for approximately 1 minute and confirm that the ABS warning lamp and SLIP indicator lamp are off.
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Revision: May 2006
BRC-23
2007 Maxima
Display Item List
Self-diagnostic item
FR LH SENSOR 1
[C1104]
RR RH SENSOR 1
[C1101]
FR RH SENSOR 1
[C1103]
RR LH SENSOR 1
[C1102]
FR LH SENSOR 2
[C1108]
RR RH SENSOR 2
[C1105]
FR RH SENSOR 2
[C1107]
RR LH SENSOR 2
[C1106]
STOP LAMP SW 1
[C1116]
FR LH IN ABS SOL
[C1120]
FR LH OUT ABS SOL
[C1121]
RR RH IN ABS SOL
[C1126]
RR RH OUT ABS SOL
[C1127]
FR RH IN ABS SOL
[C1122]
FR RH OUT ABS SOL
[C1123]
RR LH IN ABS SOL
[C1124]
RR LH OUT ABS SOL
[C1125]
PUMP MOTOR (Note 3)
[C1111]
BATTERY VOLTAGE
[ABNORMAL]
[C1109]
CONTROLLER FAILURE
[C1110]
Revision: May 2006
TROUBLE DIAGNOSIS
[TCS/ABS]
Malfunction detecting condition
Circuit of front LH wheel sensor is open.
Circuit of rear RH wheel sensor is open.
Circuit of front RH wheel sensor is open.
Check system
Circuit of rear LH wheel sensor is open.
Circuit of front LH wheel sensor is shorted, or sensor power voltage is unusual. ABS actuator and electric unit (control unit) cannot identify sensor pulses, because of large gap between wheel sensor and sensor rotor.
Circuit of rear RH wheel sensor is shorted, or sensor power voltage is unusual. ABS actuator and electric unit (control unit) cannot identify sensor pulses, because of large gap between wheel sensor and sensor rotor.
Circuit of front RH wheel sensor is shorted, or sensor power voltage is unusual. ABS actuator and electric unit (control unit) cannot identify sensor pulses, because of large gap between wheel sensor and sensor rotor.
Circuit of rear LH wheel sensor is shorted, or sensor power voltage is unusual. ABS actuator and electric unit (control unit) cannot identify sensor pulses, because of large gap between wheel sensor and sensor rotor.
(Note 1)
Stop lamp switch or circuit malfunction.
ABS actuator and electric unit (control unit) power voltage is too low.
Internal malfunction of ABS actuator and electric unit (control unit) or wheel speed signal malfunction.
Circuit of front LH IN ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of front LH OUT ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of rear RH IN ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of rear RH OUT ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of front RH IN ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of front RH OUT ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of rear LH IN ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of rear LH OUT ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
During actuator motor operation with ON, when actuator motor turns OFF or when control line for actuator motor relay is open.
During actuator motor operation with OFF, when actuator motor turns ON or when control line for relay is shorted to ground.
BRC-24
2007 Maxima
TROUBLE DIAGNOSIS
[TCS/ABS]
Self-diagnostic item
CAN COMM CIRCUIT
[U1000]
BR FLUID LEVEL LOW
[C1155]
ENGINE SIGNAL 1
[C1130]
ACTUATOR RLY
[C1140]
Malfunction detecting condition
● CAN communication line is open or shorted.
● ABS actuator and electric unit (control unit) internal malfunction
● Battery voltage for ECM is suddenly interrupted for approximately 0.5 seconds or more.
Brake fluid level drops or circuit between ABS actuator and electric unit (control unit) and brake fluid level switch is open or shorted.
ECM judges the communication between ABS/TCS control unit and ECM is abnormal.
ABS actuator or relay circuit malfunction.
ASCD brake switch or circuit malfunction.
Check system
BRC-35, "CAN Communication System Inspection" (Note 2)
DI-39, "WARNING
LAMPS"
BRC-30, "Engine System Inspection"
EC-524, "DTC P1572
ASCD BRAKE SWITCH"
A
B
C
D
E
STOP LAMP SW 2
[C1176]
Note 1. If wheel sensor 2 for each wheel is indicated, check ABS actuator and electric unit (control unit) power supply voltage in addition to wheel sensor circuit check.
Note 2. If multiple malfunctions are detected including CAN communication line [U1000], perform diagnosis for
CAN communication line first.
BRC
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DATA MONITOR
Operation Procedure
1.
After turning OFF the ignition switch, connect CONSULT-II and CONSULT-II CONVERTER to the data link connector.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication.
2.
Touch “START (NISSAN BASED VHCL)”, “ABS”, “DATA MONITOR” in order on the CONSULT-II screen.
If “ABS” is not indicated, go to GI-39, "CONSULT-II Data Link Connector (DLC) Circuit" .
CAUTION:
When “START (NISSAN BASED VHCL)” is touched immediately after starting the engine or turning on the ignition switch, “ABS” might not be displayed in the SELECT SYSTEM screen. In this case, repeat the operation from step 2.
3.
Return to the SELECT MONITOR ITEM screen, and touch “ECU INPUT SIGNALS”, “MAIN SIGNALS” or
“SELECTION FROM MENU”. Refer to the following information.
4.
When “START” is touched, the data monitor screen is displayed.
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Display Item List
M
Item
(Unit)
Data monitor item selection
ECU INPUT
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
Remarks
GEAR
FR RH SENSOR
(km/h, MPH)
FR LH SENSOR
(km/h, MPH)
RR RH SENSOR
(km/h, MPH)
RR LH SENSOR
(km/h, MPH)
BATTERY VOLT
(V)
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
This item is not used for this model.
"1" is always displayed.
Wheel speed calculated by front
RH wheel sensor signal is displayed.
Wheel speed calculated by front LH wheel sensor signal is displayed.
Wheel speed calculated by rear RH wheel sensor signal is displayed.
Wheel speed calculated by rear LH wheel sensor signal is displayed.
Voltage supplied to ABS actuator and electric unit (control unit) is displayed.
Revision: May 2006
BRC-25
2007 Maxima
Item
(Unit)
ACCEL POS SIG
(%)
ENGINE SPEED
(rpm)
STOP LAMP SW
(ON/OFF)
ABS WARN LAMP
(ON/OFF)
EBD WARN LAMP
(ON/OFF)
SLIP LAMP
(ON/OFF)
FR LH IN SOL
(ON/OFF)
FR LH OUT SOL
(ON/OFF)
RR RH IN SOL
(ON/OFF)
RR RH OUT SOL
(ON/OFF)
FR RH IN SOL
(ON/OFF)
FR RH OUT SOL
(ON/OFF)
RR LH IN SOL
(ON/OFF)
RR LH OUT SOL
(ON/OFF)
OFF LAMP
(ON/OFF)
OFF SW
(ON/OFF)
MOTOR RELAY
(ON/OFF)
ACTUATOR RLY
(ON/OFF)
TCS FAIL SIG
(ON/OFF)
ABS FAIL SIG
(ON/OFF)
EBD FAIL SIG
(ON/OFF)
EBD SIGNAL
(ON/OFF)
ABS SIGNAL
(ON/OFF)
TCS SIGNAL
(ON/OFF)
Revision: May 2006
TROUBLE DIAGNOSIS
[TCS/ABS]
–
×
×
×
×
×
×
×
×
×
×
×
×
×
× ×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Data monitor item selection
ECU INPUT
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
×
–
×
×
×
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
×
×
×
–
–
–
–
–
–
–
Remarks
Throttle valve open/close status judged by LAN communication signal is displayed.
Engine speed judged by LAN communication signal is displayed.
Stop lamp switch (ON/OFF) status is displayed.
ABS warning lamp (ON/OFF) status is displayed.
BRAKE warning lamp (ON/OFF) status is displayed.
SLIP indicator lamp (ON/OFF) status is displayed.
Front LH IN ABS solenoid (ON/
OFF) status is displayed.
Front LH OUT ABS solenoid (ON/
OFF) status is displayed.
Rear RH IN ABS solenoid (ON/
OFF) status is displayed.
Rear RH OUT ABS solenoid (ON/
OFF) status is displayed.
Front RH IN ABS solenoid (ON/
OFF) status is displayed.
Front RH OUT ABS solenoid (ON/
OFF) status is displayed.
Rear LH IN ABS solenoid (ON/
OFF) status is displayed.
Rear LH OUT ABS solenoid (ON/
OFF) status is displayed.
OFF Lamp (ON/OFF) status is displayed.
TCS OFF switch (ON/OFF) status is displayed.
ABS motor relay signal (ON/OFF) status is displayed.
ABS actuator relay signal (ON/
OFF) status is displayed.
TCS fail signal (ON/OFF) status is displayed.
ABS fail signal (ON/OFF) status is displayed.
EBD fail signal (ON/OFF) status is displayed.
EBD operation (ON/OFF) status is displayed.
ABS operation (ON/OFF) status is displayed.
TCS operation (ON/OFF) status is displayed.
BRC-26
2007 Maxima
TROUBLE DIAGNOSIS
[TCS/ABS]
Item
(Unit)
Data monitor item selection
ECU INPUT
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
Remarks
A
ASCD SIGNAL
CRANKING SIG
–
–
–
–
×
×
ASCD (ON/OFF) status is displayed.
Ignition switch START position signal input status is displayed.
B
×
: Applicable
–: Not applicable
C
ACTIVE TEST
CAUTION:
●
Do not perform active test while driving.
●
Make sure to completely bleed air from the brake system.
●
The ABS and BRAKE warning lamps turn on during the active test.
Operation Procedure
1.
Connect the CONSULT-II and CONSULT-II CONVERTER to the data link connector and start the engine.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication.
2.
Touch “START (NISSAN BASED VHCL)” on the display screen.
3.
Touch “ABS”.
If “ABS” is not indicated, go to GI-39, "CONSULT-II Data Link Connector (DLC) Circuit" .
4.
Touch “ACTIVE TEST”.
5.
The SELECT TEST ITEM screen is displayed.
6.
Touch necessary test item.
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LBR379
7.
With the “MAIN SIGNALS” display selected, touch “START”.
8.
The Active Test screen will be displayed, so conduct the following test.
Solenoid Valve Operation Chart
ABS solenoid valve
Operation
UP KEEP DOWN
FR RH SOL
FR RH ABS SOLE-
NOID (ACT)
FR LH SOL
FR LH ABS SOLE-
NOID (ACT)
FR RH IN SOL
FR RH OUT SOL
FR LH IN SOL
FR LH OUT SOL
RR RH SOL
RR RH ABS SOLE-
NOID (ACT)
RR LH SOL
RR LH ABS SOLE-
NOID (ACT)
RR RH IN SOL
RR RH OUT SOL
RR LH IN SOL
RR LH OUT SOL
*: ON for 1 to 2 seconds after the touch, and then OFF
Revision: May 2006
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
BRC-27
ON
ON*
ON
ON*
ON
ON*
ON
ON*
OFF
OFF
OFF
OFF
UP
ABS solenoid valve (ACT)
OFF
ACTUA-
TOR UP
OFF
ACTUA-
TOR KEEP
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
2007 Maxima
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TROUBLE DIAGNOSIS
[TCS/ABS]
NOTE:
●
If active test is performed with brake pedal depressed, pedal stroke may change. This is normal.
●
“TEST IS STOPPED” is displayed approximately 10 seconds after operation starts.
●
After “TEST IS STOPPED” is displayed, to perform test again, repeat Step 6.
ABS Motor
Touch “ON” and “OFF” on the screen. Check that ABS motor relay operates as shown in table below.
Operation
ABS actuator relay
ABS motor relay
ON
ON
ON
OFF
ON
OFF
NOTE:
●
If active test is performed with brake pedal depressed, pedal stroke may change. This is normal.
●
“TEST IS STOPPED” is displayed approximately 10 seconds after operation starts.
SFIA0593E
Revision: May 2006
BRC-28
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[TCS/ABS]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Wheel Sensor System Inspection
INSPECTION PROCEDURE
1.
CONNECTOR INSPECTION
PFP:00000
EFS004FZ
A
B
Disconnect the ABS actuator and electric unit connector E125 and wheel sensor of malfunctioning code.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 2.
>> Repair or replace as necessary.
2.
CHECK WHEEL SENSOR OUTPUT SIGNAL
C
D
1.
Disconnect connectors from wheel sensor of malfunction code No.
2.
Connect ABS active wheel sensor tester (J-45741) to wheel sensor using appropriate adapter.
3.
Turn on the ABS active wheel sensor tester power switch.
NOTE:
The green POWER indicator should illuminate. If the POWER indicator does not illuminate, replace the battery in the ABS active wheel sensor tester before proceeding.
4.
Spin the wheel of the vehicle by hand and observe the red SENSOR indicator on the ABS active wheel sensor tester. The red SENSOR indicator should flash on and off to indicate an output signal.
NOTE:
If the red SENSOR indicator illuminates but does not flash, reverse the polarity of the tester leads and retest.
Does the ABS active wheel sensor tester detect a signal?
YES >> GO TO 3.
NO >> GO TO 6.
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3.
CHECK TIRES
J
Check for inflation pressure, wear and size of each tire.
Are tire pressure and size correct and is tire wear within specifications?
YES >> GO TO 4.
NO >> Adjust tire pressure or replace tire(s).
4.
CHECK WHEEL BEARINGS
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Check wheel bearing axial end play. Refer to FAX-5, "FRONT WHEEL BEARING" or RAX-5, "REAR WHEEL
BEARING" .
OK or NG
OK
NG
>> GO TO 5.
>> Repair as necessary. Refer to FAX-5, "FRONT WHEEL BEARING" or RAX-5, "REAR WHEEL
BEARING" .
5.
CHECK SENSOR ROTORS
Check sensor rotors for tooth damage.
OK or NG
OK
NG
>> GO TO 6.
>> Replace sensor rotor. Refer to
BRC-42, "Removal and Installation" .
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Revision: May 2006
BRC-29
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[TCS/ABS]
6.
CHECK WIRING HARNESS FOR SHORT CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connector and wheel sensor connector of malfunction code No.
2.
Check continuity between harness connector terminal and ground.
Continuity should not exist.
OK or NG
OK
NG
>> GO TO 7.
>> Repair the circuit.
WFIA0105E
7.
CHECK WIRING HARNESS FOR OPEN CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connector and wheel sensor connector of malfunction code No.
2.
Check continuity between both wiring harness ends.
Front LH
Sensor
ABS actuator and electric unit (control unit)
Connector Terminal
23
27
21
Wheel sensor
Connector
E18
Terminal
1
2
1
Continuity
Front RH
Rear LH
E125
12
30
26
15
E117
B123
2
1
2
1
Yes
Rear RH B122
11 2
OK or NG
OK
NG
>> Replace the ABS actuator and electric unit (control unit). Refer to
BRC-43, "Removal and Installation"
.
>> Repair the circuit.
Engine System Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
EFS004G0
Check self-diagnosis results.
Self-diagnosis results
ENGINE SIGNAL 1
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.
ENGINE SYSTEM INSPECTION
1.
Perform ECM self-diagnosis and repair as necessary.
2.
Perform ABS actuator and electric unit (control unit) self-diagnosis again.
OK or NG
OK
NG
>> Inspection End.
>> Repair as necessary.
Revision: May 2006
BRC-30
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[TCS/ABS]
ABS/TCS Control Unit Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
EFS004G1
A
B
Self-diagnosis results
CONTROLLER FAILURE
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.
CHECK WHEEL SENSORS
C
D
E
Check all wheel sensors. Refer to BRC-29, "Wheel Sensor System Inspection" .
OK or NG
OK
NG
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-43, "Removal and Installation"
.
>> Repair or replace as necessary.
Solenoid Valve System Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
EFS00687
BRC
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Check self-diagnosis results.
Self-diagnosis results
FR LH IN ABS SOL
FR LH OUT ABS SOL
RR RH IN ABS SOL
RR RH OUT ABS SOL
FR RH IN ABS SOL
FR RH OUT ABS SOL
RR LH IN ABS SOL
RR LH OUT ABS SOL
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.
CONNECTOR INSPECTION
1.
Disconnect ABS actuator and electric unit (control unit) connector E125.
2.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 3.
>> Repair or replace as necessary.
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Revision: May 2006
BRC-31
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[TCS/ABS]
3.
CHECKING SOLENOID POWER AND GROUND
1.
Disconnect ABS actuator and electric unit (control unit) connector E125.
2.
Check voltage between ABS actuator and electric unit (control unit) connector E125 and ground.
ABS actuator and electric unit
(control unit) connector E125
2
Body ground
—
Measured value
(Approx.)
12V
WFIA0488E
3.
Check resistance between ABS actuator and electric unit (control unit) connector E125 and body ground.
ABS actuator and electric unit
(control unit) connector E125
Body ground
Measured value
Ω
(Approx.)
3
4
— 0
Ω
OK or NG
OK
NG
>> Perform self-diagnosis again. If the same results appear, replace ABS actuator and electric unit (control unit). Refer to
BRC-96, "Removal and Installation"
.
>> Repair the circuit.
Actuator Motor, Motor Relay, and Circuit Inspection
INSPECTION PROCEDURE
1.
CHECKING SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Self-diagnosis results
PUMP MOTOR
ACTUATOR RLY
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.
CONNECTOR INSPECTION
Disconnect the ABS actuator and electric unit (control unit) connector E125.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 3.
>> Repair or replace as necessary.
WFIA0489E
EFS004G2
Revision: May 2006
BRC-32
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[TCS/ABS]
3.
CHECKING ABS MOTOR AND MOTOR RELAY POWER SYSTEM
1.
Check voltage between ABS actuator and electric unit (control unit) connector E125 and body ground.
ABS actuator and electric unit
(control unit) connector E125
1
Body ground
—
Measured value
(Approx.)
12V
A
B
C
D
WFIA0106E
2.
Check resistance between ABS actuator and electric unit (control unit) connector E125 and ground.
ABS actuator and electric unit
(control unit) connector E125
4
Body ground
—
Measured value
(Approx.)
0
Ω
OK or NG
OK
NG
>> Perform self-diagnosis again. If the same result appears, replace ABS actuator and electric unit (control
unit). Refer to BRC-43, "Removal and Installation"
.
>> Repair the circuit.
Stop Lamp Switch System Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
WFIA0490E
EFS004G3
Self-diagnosis results
STOP LAMP SW 1
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.
CONNECTOR INSPECTION
1.
Disconnect the ABS actuator and electric unit (control unit) connector E125 and stop lamp switch connector E38.
2.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 3.
>> Repair or replace as necessary.
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Revision: May 2006
BRC-33
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[TCS/ABS]
3.
STOP LAMP SWITCH INSPECTION
Turn the ignition switch ON and check the voltage between the ABS actuator and electric unit (control unit) connector E125 terminal 8 and ground.
8 - Ground
Brake pedal depressed : Battery voltage
(approx. 12V)
Brake pedal not depressed : Approx. 0V
OK or NG
OK
NG
>> Connect the connectors and conduct ABS actuator and electric unit (control unit) self-diagnosis. Refer to
>> Repair the circuit.
ABS/TCS Control Unit Power and Ground Systems Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
WFIA0491E
EFS004G4
Self-diagnosis results
BATTERY VOLTAGE
Is the above displayed in the self-diagnosis item?
YES >> GO TO 2.
NO >> Inspection End.
2.
CONNECTOR INSPECTION
1.
Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) connector
E125.
2.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 3.
>> Repair or replace as necessary.
3.
ABS/TCS CONTROL UNIT POWER AND GROUND CIRCUIT INSPECTION
Measure the voltage and continuity between the ABS actuator and electric unit (control unit) connector E125 and ground.
Signal name
Power supply
Ground
ABS actuator and electric unit
(control unit) connector E125
16
3
4
Ground
—
Measured value
Battery voltage (Approx. 12V)
Continuity should exist.
OK or NG
OK
NG
>> Check the battery for loose terminals, low voltage, etc. Repair as necessary.
>> Repair the circuit.
Revision: May 2006
BRC-34
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[TCS/ABS]
CAN Communication System Inspection
INSPECTION PROCEDURE
1.
CHECK CONNECTOR
EFS004G5
A
B
1.
Turn ignition switch OFF, disconnect the ABS actuator and electric unit (control unit) connector, and check the terminals for deformation, disconnection, looseness, and so on. If there is a malfunction, repair or replace the terminal.
2.
Reconnect connector to perform self-diagnosis.
Is “CAN COMM CIRCUIT” displayed in the self-diagnosis display items?
YES >> Print out the self-diagnosis results, and refer to LAN-44, "TROUBLE DIAGNOSIS" .
NO >> Connector terminal connection is loose, damaged, open, or shorted.
Component Inspection
TCS OFF SWITCH
Check the continuity between terminals 1 and 2.
1 -2 : Continuity should exist when pushing the switch.
Continuity should not exist when releasing the switch.
EFS004M5
C
D
E
BRC
G
WFIA0448E
H
I
J
K
L
M
Revision: May 2006
BRC-35
2007 Maxima
TROUBLE DIAGNOSES FOR SYMPTOMS
TROUBLE DIAGNOSES FOR SYMPTOMS
ABS Works Frequently
[TCS/ABS]
PFP:99999
EFS004G6
1.
CHECK WARNING LAMP ACTIVATION
Make sure warning lamp remains off while driving.
OK or NG
OK
NG
>> GO TO 2.
>> Carry out self-diagnosis. Refer to
2.
CHECK WHEEL SENSORS
Check the following.
●
Wheel sensor mounting for looseness
●
Wheel sensors for physical damage
●
Wheel sensor connectors for terminal damage or loose connections
OK or NG
OK
NG
>> GO TO 3.
>> Repair as necessary.
3.
CHECK WHEEL BEARINGS
Check wheel bearing axial end play. Refer to FAX-5, "FRONT WHEEL BEARING" or RAX-5, "REAR WHEEL
BEARING" .
OK or NG
OK
NG
>> GO TO 4.
>> Repair as necessary.
4.
CHECK BRAKE FLUID PRESSURE
Check brake fluid pressure distribution.
Refer to BR-36, "Inspection" .
Is brake fluid pressure distribution normal?
YES >> Inspection End.
NO >> Perform Basic Inspection. Refer to
Revision: May 2006
BRC-36
2007 Maxima
TROUBLE DIAGNOSES FOR SYMPTOMS
Unexpected Pedal Action
1.
CHECK WARNING LAMP ACTIVATION
Make sure warning lamp remains off while driving.
OK or NG
OK
NG
>> GO TO 2.
>> Carry out self-diagnosis. Refer to BRC-23, "SELF-DIAGNOSIS"
.
2.
CHECK BRAKE PEDAL STROKE
Check brake pedal stroke.
Is pedal stroke excessive?
YES >> Perform Basic Inspection. Refer to
NO >> GO TO 3.
[TCS/ABS]
EFS004G7
A
B
C
D
E
BRC
G
SBR540A
3.
CHECK CONNECTOR AND BRAKING PERFORMANCE
1.
Disconnect ABS actuator and electric unit (control unit) connector.
2.
Check brake effectiveness.
NOTE:
Driving the vehicle with the ABS actuator and electric unit (control unit) disconnected may induce DTCs in electrical control units using CAN communication. After the inspection, clear all DTCs. Refer to LAN-4, "SYS-
TEM DESCRIPTION" .
OK or NG
OK
NG
>> GO TO 4.
>> Perform Basic Inspection. Refer to BRC-20, "Basic Inspection" .
4.
CHECK WHEEL SENSORS
●
●
Check the following.
Wheel sensor mounting for looseness
Wheel sensors for physical damage
●
Wheel sensor connectors for terminal damage or loose connections
OK or NG
OK
NG
>> Check ABS actuator and electric unit (control unit) pin terminals for damage and the connection of harness connector. Reconnect ABS actuator and electric unit (control unit) harness connector.
Then retest.
>> Repair as necessary.
H
M
I
J
K
L
Revision: May 2006
BRC-37
2007 Maxima
TROUBLE DIAGNOSES FOR SYMPTOMS
Long Stopping Distance
[TCS/ABS]
EFS004G8
1.
CHECK BASE BRAKING SYSTEM PERFORMANCE
1.
Disable ABS by disconnecting ABS actuator and electric unit (control unit) connector.
2.
Drive vehicle and check to see if stopping distance is still long.
NOTE:
Driving the vehicle with the ABS actuator and electric unit (control unit) disconnected may induce DTCs in electrical control units using CAN communication. After the inspection, clear all DTCs. Refer to LAN-4, "SYS-
TEM DESCRIPTION" .
OK or NG
OK
NG
>> Go to
BRC-36, "ABS Works Frequently" .
>> Perform Basic Inspection. Refer to
NOTE:
Stopping distance may be longer than vehicles without ABS when road condition is slippery.
ABS Does Not Work
CAUTION:
The ABS does not operate when the vehicle speed is 10 km/h (6 MPH) or less.
EFS004G9
1.
CHECK WARNING LAMP ACTIVATION
Turn ignition switch ON and check for warning lamp activation.
●
Warning lamp should activate for approximately 2 seconds after turning the ignition switch ON.
OK or NG
OK
NG
>> Carry out self-diagnosis. Refer to
>> Go to
BRC-39, "ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On" .
Pedal Vibration or ABS Operation Noise
EFS004GA
NOTE:
During ABS activation, pedal vibration may be felt and a noise may be heard. This is normal and does not indicate a malfunction.
1.
CHECK SYMPTOM
1.
Apply brake.
2.
Start engine.
Does the symptom occur only when engine is started?
YES >> Carry out self-diagnosis. Refer to
NO >> GO TO 2.
2.
RECHECK SYMPTOM
Does the symptom occur only when electrical equipment switches (such as headlamp) are turned on?
YES >> Check for radio, antenna or related wiring that is routed too close to the ABS actuator and electric
NO unit (control unit) and reroute as necessary.
>> Go to
BRC-36, "ABS Works Frequently" .
Revision: May 2006
BRC-38
2007 Maxima
TROUBLE DIAGNOSES FOR SYMPTOMS
[TCS/ABS]
ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On
EFS004GB
A
1.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) FUSES
Check 30A fusible link g and 30A fusible link h for ABS actuator and electric unit (control unit). For fusible link layout, refer to PG-4, "POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK
NG
>> GO TO 2.
>> If fusible link is blown, be sure to eliminate cause of problem before replacing.
2.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUITS
1.
Disconnect ABS actuator and electric unit (control unit) connector.
2.
Check voltage between ABS actuator and electric unit (control unit) connector terminal 1 and ground and terminal 2 and ground.
Does battery voltage exist?
YES >> GO TO 3.
NO >> Repair harness or connectors between fusible link and
ABS actuator and electric unit (control unit).
B
C
D
E
BRC
G
WFIA0492E
H
3.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT
Check continuity between ABS actuator and electric unit (control unit) connector terminal 3 and ground and terminal 4 and ground.
Does continuity exist?
YES >> Replace ABS actuator and electric unit (control unit).
Refer to BRC-43, "Removal and Installation" .
NO >> Repair harness or connectors between ABS actuator and electric unit (control unit) and ground.
K
WFIA0489E
EFS004GC
L
M
I
J
ABS Warning Lamp Stays On When Ignition Switch Is Turned On
1.
CARRY OUT SELF-DIAGNOSIS
Carry out self-diagnosis. Refer to
Are malfunctions detected in self-diagnosis?
YES
>> Refer to BRC-24, "Display Item List" .
NO >> Refer to DI-39, "WARNING LAMPS" .
Revision: May 2006
BRC-39
2007 Maxima
TROUBLE DIAGNOSES FOR SYMPTOMS
Vehicle Jerks During TCS Activation
[TCS/ABS]
EFS004GD
1.
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
.
Are self-diagnosis result items displayed?
YES >> After checking and repairing the applicable item, perform the ABS actuator and electric unit (control unit) self-diagnosis again.
NO >> GO TO 2.
2.
ENGINE SPEED SIGNAL INSPECTION
Perform data monitor with CONSULT-II for the ABS actuator and electric unit (control unit).
Is the engine speed at idle 400 rpm or higher?
YES >> GO TO 4.
NO >> GO TO 3.
3.
ECM SELF-DIAGNOSIS
Perform ECM self-diagnosis.
Are self-diagnosis result items displayed?
YES >> After checking and repairing the applicable item, perform the ECM self-diagnosis again.
NO >> GO TO 4.
4.
TCM SELF-DIAGNOSIS
Perform TCM self-diagnosis.
Are self-diagnosis result items displayed?
YES >> After checking and repairing the applicable item, perform the TCM self-diagnosis again.
NO >> GO TO 5.
5.
CONNECTOR INSPECTION
Disconnect the ABS actuator and electric unit (control unit) connector and the ECM connectors and check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 6.
>> Repair or replace the connector terminal.
6.
CAN COMMUNICATION INSPECTION
Check the CAN communication system. Refer to
BRC-35, "CAN Communication System Inspection"
.
OK or NG
OK
NG
>> Inspection End.
>> Reconnect the connectors, and perform ABS actuator and electric unit (control unit) self-diagnosis.
Revision: May 2006
BRC-40
2007 Maxima
WHEEL SENSORS
WHEEL SENSORS
Removal and Installation
[TCS/ABS]
PFP:47910
EFS0067Z
A
B
–
LFIA0078E
CAUTION:
●
Be careful not to damage wheel sensor edge and sensor rotor teeth.
●
When removing the front or rear wheel hub assembly, first remove the wheel sensor from the assembly. Failure to do so may result in damage to the wheel sensor wires making the sensor inoperative.
CAUTION:
●
Pull out the wheel sensor, being careful to turn it as little as possible. Do not pull on the wheel sensor harness.
●
Installation should be performed while paying attention to the following, and then tighten mounting bolts and nuts to the specified torque.
Check if foreign objects such as iron fragments are adhered to the pick-up part of the sensor or to the inside of the hole for the wheel sensor, or if a foreign object is caught in the mating surface of the sensor rotor. If something wrong is found, fix it and then install the wheel sensor.
REMOVAL
1.
Remove wheel and tire using power tool.
2.
Disconnet wheel sensor harness connector and remove harness wire from attachment points.
3.
Remove wheel sensor bolt and wheel sensor.
INSTALLATION
Installation is in the reverse order of removal.
●
When installing wheel and tire, refer to WT-7, "Tire Rotation" .
G
H
I
J
K
L
M
C
D
E
BRC
Revision: May 2006
BRC-41
2007 Maxima
SENSOR ROTOR
SENSOR ROTOR
Removal and Installation
REMOVAL
Front
1.
Remove the front wheel hub. Refer to FAX-6, "Removal and Installation" .
2.
Remove the sensor rotor from the drive shaft using a suitable tool as shown.
[TCS/ABS]
PFP:47970
EFS004GF
LFIA0079E
Rear
The rear wheel sensor rotor is built into the rear wheel hub. For removal and installation procedure, refer to
RAX-6, "Removal and Installation" .
INSTALLATION
Front
Installation is in the reverse order of removal.
●
●
Install the sensor rotor using a wooden block and suitable tool as shown.
Always replace sensor rotor with new one.
LFIA0083E
Rear
The rear wheel sensor rotor is built into the rear wheel hub. For removal and installation procedure, refer to
RAX-6, "Removal and Installation" .
Revision: May 2006
BRC-42
2007 Maxima
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
Removal and Installation
I
J
WFIA0104E
REMOVAL
1.
Disconnect the battery negitive terminal.
2.
Remove windshield wiper and linkage assembly. Refer to WW-21, "Removal" .
3.
Drain brake fluid. Refer to BR-8, "Changing Brake Fluid" .
4.
Discharge the A/C refrigerant. Refer to ATC-130, "HFC-134a (R-134a) Service Procedure" .
5.
Disconnect and remove high-pressure and low-pressure A/C pipes to allow access to ABS actuator and electric unit (control unit). Refer to ATC-132, "Components" .
6.
Disconnect harness connectors from ABS actuator and electric unit (control unit).
7.
Disconnect brake pipes, noting their location for installation.
8.
Remove bolts and ABS actuator and electric unit (control unit).
INSTALLATION
CAUTION:
After installation of ABS actuator and electric unit (control unit), refill brake fluid. Then bleed air from system. Refer to BR-8, "Bleeding Brake System" .
1.
Position ABS actuator and electric unit (control unit) in vehicle.
2.
Connect brake pipes and bolts temporarily.
3.
Tighten bolts and brake pipes to specification. Refer to BR-9, "Hydraulic Circuit" .
4.
Connect ABS actuator and electric unit (control unit) harness connectors.
5.
Install and connect high-pressure and low-pressure A/C pipes. Refer to ATC-132, "Components" .
6.
Install windshield wiper and linkage assembly. Refer to WW-21, "Installation" .
K
L
M
Revision: May 2006
BRC-43
2007 Maxima
[TCS/ABS]
PFP:47660
EFS004GG
A
B
BRC
G
H
C
D
E
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
[TCS/ABS]
7.
Connect battery negitive terminal.
8.
Evacuate and recharge the A/C system. Refer to ATC-130, "HFC-134a (R-134a) Service Procedure" .
Revision: May 2006
BRC-44
2007 Maxima
PRECAUTIONS
[VDC/TCS/ABS]
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EFS00638
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Manual.
WARNING:
●
To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in the event of a collision which would result in air bag inflation, all maintenance must be performed by an authorized NISSAN/INFINITI dealer.
●
●
Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness connectors.
A
B
C
D
E
BRC
G
Precautions for Brake System
EFS004GI
CAUTION:
●
Refer to MA-9, "RECOMMENDED FLUIDS AND LUBRICANTS" for recommended brake fluid.
●
Never reuse drained brake fluid.
●
Be careful not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is splashed on painted areas, wash it away with water immediately.
●
To clean or wash all parts of master cylinder and disc brake caliper, use clean brake fluid.
●
Never use mineral oils such as gasoline or kerosene. They will ruin rubber parts of the hydraulic system.
●
●
●
Use flare nut wrench when removing and installing brake tube.
If a brake fluid leak is found, the part must be disassembled without fail. Then it has to be replaced with a new one if a defect exists.
Turn the ignition switch OFF and remove the connector of the ABS actuator and electric unit (control unit) or the battery terminal before performing the work.
●
●
Always torque brake lines when installing.
Burnish the brake contact surfaces after refinishing or
SBR686C
replacing rotors, after replacing pads, or if a soft pedal occurs at very low mileage.
Refer to BR-28, "Brake Burnishing" (front disc brake) or BR-35, "Brake Burnishing" (rear disc brake).
WARNING:
●
Clean brake pads and shoes with a waste cloth, then wipe with a dust collector.
Precautions When Using CONSULT-II
EFS004GJ
When connecting CONSULT-II to data link connector, connect them through CONSULT-II CONVERTER.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication.
CHECK POINTS FOR USING CONSULT-II
1.
Has CONSULT-II been used without connecting CONSULT-II CONVERTER on this vehicle?
●
If YES, GO TO 2.
Revision: May 2006
BRC-45
2007 Maxima
H
I
J
K
L
M
PRECAUTIONS
[VDC/TCS/ABS]
●
If NO, GO TO 5.
2.
Is there any indication other than indications relating to CAN communication system in the self-diagnosis results?
●
If YES, GO TO 3.
●
If NO, GO TO 4.
3.
Based on self-diagnosis results unrelated to CAN communication, carry out the inspection.
4.
Malfunctions may be detected in self-diagnosis depending on control units carrying out CAN communication. Therefor, erase the self-diagnosis results.
5.
Diagnose CAN communication system. Refer to LAN-44, "TROUBLE DIAGNOSIS" .
Precautions for Brake Control
●
●
●
●
●
●
●
●
●
●
●
●
EFS004GK
During ABS operation, the brake pedal may vibrate lightly and a mechanical noise may be heard. This is normal.
Just after starting vehicle, the brake pedal may vibrate or a motor operating noise may be heard from engine compartment. This is a normal status of operation check.
Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel, or snow-covered (fresh, deep snow) roads.
When an error is indicated by ABS or another warning lamp, collect all necessary information from customer (what symptoms are present under what conditions) and check for simple causes before starting diagnosis. Besides electrical system inspection, check booster operation, brake fluid level, and fluid leaks.
If incorrect tire sizes or types are installed on the vehicle or brake pads are not Genuine NISSAN parts, stopping distance or steering stability may deteriorate.
If there is a radio, antenna or related wiring near control module, ABS function may have a malfunction or error.
If aftermarket parts (car stereo, CD player, etc.) have been installed, check for incidents such as harness pinches, open circuits or improper wiring.
If the following components are replaced with non-genuine components or modified, the VDC OFF indicator lamp and SLIP indicator lamp may turn on or the VDC system may not operate properly. Components related to suspension (shock absorbers, struts, springs, bushings, etc.), tires, wheels (exclude specified size), components related to brake system (pads, rotors, calipers, etc.), components related to engine
(muffler, ECM, etc.), components related to body reinforcement (roll bar, tower bar, etc.).
Driving with broken or excessively worn suspension components, tires or brake system components may cause the VDC OFF indicator lamp and the SLIP indicator lamp to turn on, and the VDC system may not operate properly.
When the TCS or VDC is activated by sudden acceleration or sudden turn, some noise may occur. The noise is a result of the normal operation of the TCS and VDC.
When driving on roads which have extreme slopes (such as mountainous roads) or high banks (such as sharp curves on a freeway), the VDC may not operate normally, or the VDC warning lamp and the SLIP indicator lamp may turn on. This is not a problem if normal operation can be resumed after restarting the engine.
Sudden turns (such as spin turns, acceleration turns), drifting, etc. with VDC turned off may cause the yaw rate/side/decel G sensor to indicate a problem. This is not a problem if normal operation can be resumed after restarting the engine.
●
●
●
Precautions for CAN System
Do not apply voltage of 7.0V or higher to terminal to be measured.
Maximum open terminal voltage of tester in use must be less than 7.0V.
Before checking harnesses, turn ignition switch OFF and disconnect battery negative cable.
EFS004GL
Revision: May 2006
BRC-46
2007 Maxima
PRECAUTIONS
●
Area to be repaired must be soldered and wrapped with tape.
Make sure that fraying of twisted wire is within 110 mm (4.33 in).
●
Do not make a bypass connection to repaired area. (If the circuit is bypassed, characteristics of twisted wire will be lost.)
[VDC/TCS/ABS]
C
PKIA0306E
D
E
A
B
BRC
PKIA0307E
G
H
K
L
I
J
M
Revision: May 2006
BRC-47
2007 Maxima
PREPARATION
[VDC/TCS/ABS]
PREPARATION
Special Service Tool
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
PFP:00002
EFS00634
Tool number
(Kent-Moore No.)
Tool name
(J-45741)
ABS active wheel sensor tester
Description
Checking operation of ABS active wheel sensor
Commercial Service Tools
Tool name
1. Flare nut crowfoot
2. Torque wrench
WFIA0101E
Description
Removing and installing brake piping
a: 10mm (0.39 in)/12mm (0.47 in)
EFS00635
S-NT360
Revision: May 2006
BRC-48
2007 Maxima
SYSTEM DESCRIPTION
SYSTEM DESCRIPTION
System Components
[VDC/TCS/ABS]
PFP:00000
EFS004GP
A
B
BRC
G
H
C
D
E
I
WFIA0313E
●
●
ABS Function
●
●
●
●
EFS004GQ
The Anti-Lock Brake System detects wheel revolution while braking and improves handling stability during sudden braking by electrically preventing wheel lockup. Maneuverability is also improved for avoiding obstacles.
If the electrical system malfunctions, the Fail-Safe function is activated, the ABS becomes inoperative and the ABS warning lamp turns on.
The electrical system can be diagnosed using CONSULT-II.
During ABS operation, the brake pedal may vibrate lightly and a mechanical noise may be heard. This is normal.
Just after starting the vehicle, the brake pedal may vibrate or a motor operating noise may be heard from engine compartment. This is a normal status of operation check.
Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel, or snow-covered (fresh, deep snow) roads.
●
●
EBD Function
●
●
●
EFS004GR
Electronic Brake Distribution is a function that detects subtle slippages between the front and rear wheels during braking, and it improves handling stability by electronically controlling the brake fluid pressure which results in reduced rear wheel slippage.
If the electrical system malfunctions, the Fail-Safe function is activated, the EBD and ABS become inoperative, and the ABS warning lamp and BRAKE warning lamp are turned on.
The electrical system can be diagnosed using CONSULT-II.
During EBD operation, the brake pedal may vibrate lightly and a mechanical noise may be heard. This is normal.
Just after starting the vehicle, the brake pedal may vibrate or a motor operating noise may be heard from engine compartment. This is a normal status of operation check.
J
K
L
M
Revision: May 2006
BRC-49
2007 Maxima
●
SYSTEM DESCRIPTION
[VDC/TCS/ABS]
Stopping distance may be longer than that of vehicles without EBD when vehicle drives on rough, gravel, or snow-covered (fresh, deep snow) roads.
●
●
TCS Function
●
●
EFS004GS
●
●
●
Spinning of the drive wheels is detected by the ABS/TCS/VDC control unit using inputs from the wheel speed sensors. If wheel spin occurs, the drive wheel right and left brake fluid pressure control and engine fuel cut are conducted while the throttle value is restricted to reduce the engine torque and decrease the amount of wheel spin. In addition, the throttle opening is controlled to achieve the optimum engine torque.
Depending on road condition, the vehicle may have a sluggish feel. This is normal, because optimum traction has the highest priority during TCS operation.
TCS may be activated during sudden vehicle acceleration, wide open throttle acceleration, sudden transmission shifts or when the vehicle is driven on a road with a varying surface friction coefficient.
The SLIP indicator lamp flashes to inform the driver of TCS operation.
●
VDC Function
EFS004GT
In addition to the ABS/TCS function, the driver steering amount and brake operation amount are detected from the steering angle sensor, and the vehicle's driving status (amount of under steering/over steering) is determined using inputs from the yaw rate/side/decel G sensor, wheel speed sensors, etc. and this information is used to improve vehicle stability by controlling the braking and engine torque application to the wheels.
The SLIP indicator lamp flashes to inform the driver of VDC operation.
During VDC operation, the vehicle body and brake pedal may vibrate lightly and a mechanical noise may be heard. This is normal.
The ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp may turn on when the vehicle is subject to strong shaking or large vibration, such as when the vehicle is on a turn table or a ship while the engine is running or steep slope. In this case, restart the engine on a normal road and if the ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp turn off, there is no problem.
Revision: May 2006
BRC-50
2007 Maxima
SYSTEM DESCRIPTION
Wheel Sensors
The front sensor units consist of a gear-shaped sensor rotor and a sensor element. The element contains a magnet around which a coil is wound. The front wheel sensors are installed on the front of the wheel knuckles. As the wheel rotates, the sensor generates a square-wave signal. The frequency increases as the wheel speed increases.
[VDC/TCS/ABS]
EFS004GU
A
B
LBR333
The rear sensor units consist of wheel hubs with a series of internal magnets and a sensor element. The rear wheel sensors are installed on the inner side of the wheel knuckles. As the wheel rotates, the sensor generates a square-wave signal. The frequency increases as the wheel speed increases.
BRC
G
H
WFIA0033E
Fail-Safe Function
ABS/EBD SYSTEM
EFS004GV
In case of an electrical malfunction with the ABS, the ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp will turn on. In case of an electrical malfunction with the EBD system, the BRAKE warning lamp,
ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp will turn on.
The system will revert to one of the following conditions of the Fail-Safe function.
1.
For ABS malfunction, only the EBD is operative and the condition of the vehicle is the same condition of vehicles without ABS/TCS/VDC system.
2.
For EBD malfunction, the EBD and ABS become inoperative, and the condition of the vehicle is the same as the condition of vehicles without ABS/TCS/VDC or EBD system.
VDC/TCS SYSTEM
In case of TCS/VDC system malfunction, the VDC OFF indicator lamp and SLIP indicator lamp are turned on and the condition of the vehicle is the same as the condition of vehicles without TCS/VDC system. In case of an electrical malfunction with the TCS/VDC system, the ABS control continues to operate normally without
TCS/VDC control.
CAUTION:
If the Fail-Safe function is activated, perform the Self Diagnosis for ABS/TCS/VDC system.
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Revision: May 2006
BRC-51
2007 Maxima
Hydraulic Circuit Diagram
SYSTEM DESCRIPTION
[VDC/TCS/ABS]
EFS004GW
WFIA0533E
Revision: May 2006
BRC-52
2007 Maxima
CAN COMMUNICATION
CAN COMMUNICATION
System Description
Refer to LAN-4, "SYSTEM DESCRIPTION" .
[VDC/TCS/ABS]
PFP:23710
EFS004GX
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Revision: May 2006
BRC-53
2007 Maxima
TROUBLE DIAGNOSIS
TROUBLE DIAGNOSIS
How to Perform Trouble Diagnoses for Quick and Accurate Repair
INTRODUCTION
The ABS/TCS/VDC system has an electronic control unit to control major functions. The control unit accepts input signals from sensors and controls actuator operation. It is also important to check for conventional malfunctions such as air leaks in the booster or lines, lack of brake fluid, or other malfunctions with the brake system.
It is much more difficult to diagnose a malfunction that occurs intermittently rather than continuously. Most intermittent malfunctions are caused by poor electrical connections or wiring. In this case, careful checking of suspicious circuits may help prevent the replacement of good parts.
A visual check only may not find the cause of the malfunction, so a road test should be performed.
Before undertaking actual checks, take just a few minutes to talk with a customer who approaches with an ABS/TCS/VDC complaint. The customer is a very good source of information, especially for intermittent malfunctions. Through the talks with the customer, find out what symptoms are present and under what conditions they occur.
Start your diagnosis by looking for “conventional” malfunctions first.
This is one of the best ways to troubleshoot brake malfunctions on an ABS/TCS/VDC equipped vehicle. Also check related Service Bulletins for information.
[VDC/TCS/ABS]
PFP:00000
EFS004GY
SEF233G
SEF234G
Revision: May 2006
BRC-54
2007 Maxima
WORK FLOW
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
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Revision: May 2006
BRC-55
WFIA0534E
2007 Maxima
TROUBLE DIAGNOSIS
CLARIFY CONCERN
●
●
A customer's description of a vehicle concern may vary depending on the individual. It is important to clarify the customer's concern.
Ask the customer about what symptoms are present under what conditions. Use this information to reproduce the symptom while driving.
●
It is also important to use the diagnosis sheet to understand what type of trouble the customer is having.
EXAMPLE OF DIAGNOSIS SHEET
[VDC/TCS/ABS]
SBR339B
WFIA0097E
Revision: May 2006
BRC-56
2007 Maxima
TROUBLE DIAGNOSIS
Component Parts and Harness Connector Location
[VDC/TCS/ABS]
EFS004GZ
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Revision: May 2006
BRC-57
WFIA0493E
2007 Maxima
1.
Rear wheel sensor RH B122
4.
Front wheel sensor RH E117
7.
VDC OFF switch M6
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
2.
Yaw rate/side/decel G sensor M46 3.
ABS actuator and electric unit (control unit) E125 (engine removed for clarity)
5.
Front wheel sensor LH E18
8.
Steering angle sensor M47 (steering wheel removed for clarity)
6.
Combination meter M24
9.
Rear wheel sensor LH B123
Revision: May 2006
BRC-58
2007 Maxima
Schematic
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
EFS004H0
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Revision: May 2006
BRC-59
WFWA0428E
2007 Maxima
Wiring Diagram — VDC —
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
EFS004H1
Revision: May 2006
BRC-60
WFWA0429E
2007 Maxima
Revision: May 2006
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
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BRC
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BRC-61
WFWA0430E
2007 Maxima
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
Revision: May 2006
BRC-62
WFWA0431E
2007 Maxima
Revision: May 2006
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
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BRC
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BRC-63
WFWA0432E
2007 Maxima
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
Revision: May 2006
BRC-64
WFWA0433E
2007 Maxima
Revision: May 2006
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
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BRC-65
WFWA0434E
2007 Maxima
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
Basic Inspection
BRAKE FLUID LEVEL, FLUID LEAK, AND BRAKE PAD INSPECTION
1.
Check fluid level in the brake fluid reservoir. If fluid level is low, add fluid.
EFS004H2
2.
Check the brake piping and around the ABS actuator and electric unit (control unit) for leaks. If there is leaking or seeping fluid, check the following items.
●
If ABS actuator and electric unit (control unit) connection is loose, tighten the piping to the specified torque and recheck for leaks.
●
●
If there is damage to the connection flare nut or ABS actuator and electric unit (control unit) screw, replace the damaged part and recheck for leaks.
When there is fluid leaking or seeping from a fluid connection, use a clean cloth to wipe off the fluid and recheck for leaks. If fluid is still seeping out, replace the damaged part. If the fluid is leaking at the ABS actuator and electric unit (control unit), replace the ABS actuator and electric unit (control unit) assembly.
CAUTION:
The ABS actuator and electric unit (control unit) cannot be disassembled and must be replaced as an assembly.
3.
Check the brake pads for excessive wear.
POWER SYSTEM TERMINAL LOOSENESS AND BATTERY INSPECTION
Make sure the battery positive cable, negative cable and ground connection are not loose. In addition, make sure the battery is sufficiently charged.
ABS WARNING LAMP, SLIP INDICATOR LAMP AND VDC OFF INDICATOR LAMP INSPECTION
1.
Make sure ABS warning lamp, SLIP indicator lamp and VDC OFF indicator lamp (when VDC OFF switch is off), turn on for approximately 2 seconds when the ignition switch is turned ON. If they do not, check the
VDC OFF indicator lamp and then VDC OFF switch. Refer to
. Check CAN communications. If there are no errors with VDC OFF switch and CAN communication system, check combination meter. Refer to DI-5, "COMBINATION METERS" .
2.
Make sure the lamps turn off approximately 2 seconds after the ignition switch is turned ON. If the lamp does not turn off, conduct self-diagnosis.
3.
With the engine running, make sure VDC OFF indicator lamp turns on and off when VDC OFF switch is turned on and off. If the indicator lamp status does not correspond to switch operation, check the VDC
OFF switch system. Refer to
4.
Make sure ABS warning lamp, SLIP indicator lamp and VDC OFF indicator lamp turn off approximately 2 seconds after the engine is started. If ABS warning lamp, SLIP indicator lamp or VDC OFF indicator lamp have not turned off 10 seconds after the engine has been started, conduct self-diagnosis of the ABS actuator and electric unit (control unit).
5.
After conducting the self-diagnosis, be sure to erase the error memory. Refer to
Revision: May 2006
BRC-66
2007 Maxima
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
Warning Lamp and Indicator Timing
EFS004H3
×
: ON –: OFF
Condition
ABS warning lamp
–
VDC OFF indicator lamp
–
SLIP indicator lamp
–
Remarks
When the ignition switch is OFF
After the ignition switch is turned
ON
For approx. 2 seconds
Ignition switch ON
Approx. 2 seconds later
When the VDC OFF switch turns
ON (VDC function OFF).
×
–
–
×
–
×
×
–
–
–
–
–
–
ABS/TCS/VDC malfunction
×
×
×
×
×
–
–
When the ABS/TCS/VDC control unit is malfunctioning (power supply or ground malfunction).
– When the VDC is malfunctioning.
–
× ×
Control Unit Input/Output Signal Standard
REFERENCE VALUE FROM CONSULT-II
EFS004H4
CAUTION:
The display shows the control unit calculation data, so a normal value might be displayed even in the event the output circuit (harness) is open or short circuited.
Data monitor
Monitor item Display content
Condition
Note: Error inspection checklist
FR RH SENSOR
FR LH SENSOR
RR RH SENSOR
RR LH SENSOR
Wheel speed
Vehicle stopped
Vehicle running (Note 1)
Reference value in normal operation
0 [km/h (MPH)]
Almost in accordance with speedometer display
(within
±
10%)
ACCEL POS SIG
Open/close condition of throttle valve (linked with accelerator pedal).
Accelerator pedal not depressed (ignition switch is
ON)
Depress accelerator pedal
(ignition switch is ON)
With engine stopped
0%
0 to 100%
BRC-87, "CAN Communication System Inspection"
ENGINE SPEED With engine running
Engine running
Straight-ahead
0 rpm
Almost in accordance with tachometer display
Approx. 0 deg
STR ANGLE SIG
YAW RATE SEN
SIDE G-SENSOR
BATTERY VOLT
STOP LAMP SW
Steering angle detected by steering angle sensor
Yaw rate detected by yaw rate sensor
Transverse G detected by side G-sensor
Battery voltage supplied to ABS actuator and electric unit (control unit)
Brake pedal operation
Steering wheel turned
Vehicle stopped
Vehicle running
Vehicle stopped
Vehicle running
Ignition switch ON
Brake pedal depressed
Brake pedal not depressed
–756 to 756 deg
Approx. 0 d/s
–100 to 100 d/s
Approx. 0 m/s
2
–16.7 to 16.7 m/s
2
10 to 16V
ON
OFF
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Revision: May 2006
BRC-67
2007 Maxima
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
Monitor item
OFF SW
ABS WARN LAMP
Display content
Condition
Data monitor
Reference value in normal operation
VDC OFF switch
ON/OFF status
VDC OFF switch ON
(When VDC OFF indicator lamp is ON)
VDC OFF switch OFF
(When VDC OFF indicator lamp is OFF)
ABS warning lamp ON
ABS warning lamp ON condition (Note 2)
ABS warning lamp OFF
ON
OFF
ON
OFF
Note: Error inspection checklist
MOTOR RELAY
ACTUATOR RLY
OFF LAMP
SLIP LAMP
FR LH IN SOL
FR LH OUT SOL
FR RH IN SOL
FR RH OUT SOL
RR RH IN SOL
RR RH OUT SOL
RR LH IN SOL
RR LH OUT SOL
Operation status of motor and motor relay
Actuator relay operation status
VDC OFF indicator lamp status (Note 3)
SLIP indicator lamp status (Note 4)
Solenoid valve operation
Ignition switch ON or engine running (ABS not operated)
Ignition switch ON or engine running (ABS operated)
Vehicle stopped (Ignition switch ON)
Vehicle stopped (Engine running)
When VDC OFF indicator lamp is ON
When VDC OFF indicator lamp is OFF
When SLIP indicator lamp is
ON
When SLIP indicator lamp is
OFF
Actuator (solenoid) is active
(“ACTIVE TEST” with CON-
SULT-II) or actuator relay is inactive (in fail-safe mode).
OFF
ON
OFF
ON
ON
OFF
ON
OFF
ON
When actuator (solenoid) is not active and actuator relay is active (ignition switch ON).
OFF
CV1
CV2
SV1
SV2
DECEL G-SEN
FLUID LEV SW
VDC switch-over valve status
When actuator (switch-over valve) is active (“ACTIVE
TEST” with CONSULT-II) or actuator relay is inactive (when in fail-safe mode).
When actuator (switch-over valve) is not active and actuator relay is active (ignition switch ON).
Vehicle stopped
ON
OFF
ON Longitudinal acceleration detected by Decel
G-Sensor
Vehicle running OFF
ON/OFF status of brake fluid level switch
VDC FAIL SIG
TCS FAIL SIG
ABS FAIL SIG
EBD FAIL SIG
Fail signal status
Note 1: Confirm tire pressure is normal.
Revision: May 2006
When brake fluid level switch
ON
When brake fluid level switch
OFF
VDC fail
TCS fail
ABS fail
EBD fail
BRC-68
ON
OFF
OFF
BRC-87, "CAN Communication System Inspection"
BRC-87, "CAN Communication System Inspection"
DI-39, "WARNING
LAMPS"
VDC system
TCS system
ABS system
EBD system
2007 Maxima
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
Note 2: ON/OFF timing of ABS warning lamp
ON: For approximately 2 seconds after ignition switch is turned ON, or when a malfunction is detected.
OFF: Approximately 2 seconds after ignition switch is turned ON (when system is in normal operation) and TCS/VDC function is not activated.
Note 3: ON/OFF timing of VDC OFF indicator lamp
ON: For approximately 2 seconds after ignition switch is turned ON, or when a malfunction is detected and VDC OFF switch is ON.
OFF: Approximately 2 seconds after ignition switch is turned ON (when system is in normal operation.) And when VDC OFF switch is
OFF.
Note 4: SLIP indicator lamp ON/OFF timing
ON: For approximately 2 seconds after ignition switch is turned ON, or when a malfunction is detected and TCS/VDC function is activated while driving.
OFF: Approximately 2 seconds after ignition switch is turned ON (when system is in normal operation) and TCS/VDC function is not activated.
Flashing: TCS/VDC function is active during driving
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Revision: May 2006
BRC-69
2007 Maxima
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
CONSULT-II Function (ABS)
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
EFS004H5
ABS diagnostic mode
WORK SUPPORT
Description
Supports inspection and adjustments. Commands are transmitted to the ABS actuator and electric unit (control unit) for setting the status suitable for required operation, input/output signals are received from the ABS actuator and electric unit (control unit) and received data is displayed.
SELF-DIAG RESULTS
DATA MONITOR
Displays ABS actuator and electric unit (control unit) self-diagnosis results.
Displays ABS actuator and electric unit (control unit) input/output data in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
FUNCTION TEST
ECU PART NUMBER
Conducted by CONSULT-II instead of a technician to determine whether each system is "OK" or
"NG".
ABS actuator and electric unit (control unit) part number can be read.
CONSULT-II START PROCEDURE
Refer to GI-37, "CONSULT-II Start Procedure" .
SELF-DIAGNOSIS
Description
If an error is detected in the system, the ABS warning lamp will turn on. In this case, perform self-diagnosis as follows:
Operation Procedure
1.
Turn ignition switch OFF.
2.
Connect CONSULT-II and CONSULT-II CONVERTER to the data link connector.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication.
3.
Turn ignition switch ON.
4.
Start engine and drive at approximately 30 km/h (19 MPH) for approximately 1 minute.
5.
After stopping the vehicle, with the engine running, touch “START (NISSAN BASED VHCL)”, “ABS”,
“SELF-DIAG RESULTS” in order on the CONSULT-II screen.
CAUTION:
If “START (NISSAN BASED VHCL)” is touched immediately after starting the engine or turning on the ignition switch, “ABS” might not be displayed in the SELECT SYSTEM screen. In this case, repeat the operation from step 1.
6.
The self-diagnostic results are displayed. (If necessary, the self-diagnostic results can be printed out by touching “COPY”.)
●
When “NO DTC IS DETECTED” is displayed, check the ABS warning lamp, SLIP indicator lamp and
VDC OFF indicator lamp.
7.
Conduct the appropriate inspection from the display item list, and repair or replace the malfunctioning component.
8.
Start engine and drive at approximately 30 km/h (19 MPH) for approximately 1 minute.
CAUTION:
●
When a wheel sensor “short-circuit” is detected, if the vehicle is not driven at 30 km/h (19 MPH) for at least 1 minute, the ABS warning lamp will not turn off even if the malfunction is repaired.
9.
Turn ignition switch OFF to prepare for erasing the memory.
10. Start the engine and touch “START (NISSAN BASED VHCL)”, “ABS”, “SELF-DIAG RESULTS”, “ERASE” in order on the CONSULT-II screen to erase the error memory.
If “ABS” is not indicated, go to GI-39, "CONSULT-II Data Link Connector (DLC) Circuit" .
CAUTION:
If the error memory is not erased, re-conduct the operation from step 5.
Revision: May 2006
BRC-70
2007 Maxima
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
11. For the final inspection, drive at approximately 30 km/h (19 MPH) for approximately 1 minute and confirm that the ABS warning lamp, SLIP indicator lamp, and VDC OFF indicator lamp are off.
Display Item List
Self-diagnostic item
FR LH SENSOR 1
[C1104]
RR RH SENSOR 1
[C1101]
FR RH SENSOR 1
[C1103]
RR LH SENSOR 1
[C1102]
Malfunction detecting condition
Circuit of front LH wheel sensor is open.
Circuit of rear RH wheel sensor is open.
Circuit of front RH wheel sensor is open.
Circuit of rear LH wheel sensor is open.
Check system
FR LH SENSOR 2
[C1108]
RR RH SENSOR 2
[C1105]
FR RH SENSOR 2
[C1107]
RR LH SENSOR 2
[C1106]
STOP LAMP SW 1
[C1116]
ST ANGLE SEN CIRCUIT
[C1143, C1163]
YAW RATE SENSOR
[C1145]
Circuit of front LH wheel sensor is shorted, or sensor power voltage is unusual. ABS actuator and electric unit (control unit) cannot identify sensor pulses, because of large gap between wheel sensor and sensor rotor.
Circuit of rear RH wheel sensor is shorted, or sensor power voltage is unusual. ABS actuator and electric unit (control unit) cannot identify sensor pulses, because of large gap between wheel sensor and sensor rotor.
Circuit of front RH wheel sensor is shorted, or sensor power voltage is unusual. ABS actuator and electric unit (control unit) cannot identify sensor pulses, because of large gap between wheel sensor and sensor rotor.
Circuit of rear LH wheel sensor is shorted, or sensor power voltage is unusual. ABS actuator and electric unit (control unit) cannot identify sensor pulses, because of large gap between wheel sensor and sensor rotor.
(Note 1)
Stop lamp switch or circuit malfunction.
Neutral position of steering angle sensor is dislocated, or steering angle sensor is malfunctioning.
Yaw rate sensor has generated an error, or yaw rate sensor signal line is open or shorted.
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Revision: May 2006
BRC-71
2007 Maxima
Self-diagnostic item
FR LH IN ABS SOL
[C1120]
FR LH OUT ABS SOL
[C1121]
RR RH IN ABS SOL
[C1126]
RR RH OUT ABS SOL
[C1127]
FR RH IN ABS SOL
[C1122]
FR RH OUT ABS SOL
[C1123]
RR LH IN ABS SOL
[C1124]
RR LH OUT ABS SOL
[C1125]
CV1
[C1164]
CV2
[C1165]
SV1
[C1166]
SV2
[C1167]
PUMP MOTOR (Note 3)
[C1111]
BATTERY VOLTAGE
[ABNORMAL]
[C1109]
ST ANGLE SEN SIGNAL
[C1144]
ST ANG SEN COM CIR
[C1156]
LONGITUDINAL G-SENSOR
[C1113]
CONTROLLER FAILURE
[C1110]
CAN COMM CIRCUIT
[U1000]
LATERAL G-SENSOR
[C1146]
Revision: May 2006
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
Malfunction detecting condition
Circuit of front LH IN ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of front LH OUT ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of rear RH IN ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of rear RH OUT ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of front RH IN ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of front RH OUT ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of rear LH IN ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Circuit of rear LH OUT ABS solenoid is open or shorted, or control line is open or shorted to power supply or ground.
Front side VDC switch-over solenoid valve (cut valve) is open or shorted, or control line is open or shorted to power supply or ground.
Rear side VDC switch-over solenoid valve (cut valve) is open or shorted, or control line is open or shorted to power supply or ground.
Front side VDC switch-over solenoid valve (suction valve) is open or shorted, or control line is open or shorted to power supply or ground.
Rear side VDC switch-over solenoid valve (suction valve) is open or shorted, or control line is open or shorted to power supply or ground.
During actuator motor operation with ON, when actuator motor turns OFF or when control line for actuator motor relay is open.
During actuator motor operation with OFF, when actuator motor turns ON or when control line for relay is shorted to ground.
Check system
ABS actuator and electric unit (control unit) power voltage is too low.
VDC Control Unit Power and Ground Systems
Neutral position correction of steering angle sensor is not finished.
CAN communication line or steering angle sensor has generated an error.
Longitudinal G-sensor is malfunctioning, or signal line of longitudinal G-sensor is open or shorted.
Internal malfunction of ABS actuator and electric unit (control unit) or wheel speed signal malfunction.
●
CAN communication line is open or shorted.
●
ABS actuator and electric unit (control unit) internal malfunction
●
Battery voltage for ECM is suddenly interrupted for approximately 0.5 seconds or more.
BRC-87, "CAN Communication System Inspection"
(Note 2)
Lateral G-sensor is malfunctioning, or signal line of lateral G-sensor is open or shorted.
BRC-72
2007 Maxima
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
Self-diagnostic item
BR FLUID LEVEL LOW
[C1155]
ENGINE SIGNAL 1
[C1130]
ENGINE SIGNAL 2
[C1131]
ENGINE SIGNAL 3
[C1132]
ENGINE SIGNAL 4
[C1133]
ENGINE SIGNAL 5
[C1134]
ENGINE SIGNAL 6
[C1136]
ACTUATOR RLY
[C1140]
STOP LAMP SW 2
[C1176]
Malfunction detecting condition
Brake fluid level drops or circuit between ABS actuator and electric unit (control unit) and brake fluid level switch is open or shorted.
ECM judges the communication between ABS/TCS/VDC control unit and ECM is abnormal.
ECM judges the communication between ABS/TCS/VDC control unit and ECM is abnormal.
ECM judges the communication between ABS/TCS/VDC control unit and ECM is abnormal.
ECM judges the communication between ABS/TCS/VDC control unit and ECM is abnormal.
ECM judges the communication between ABS/TCS/VDC control unit and ECM is abnormal.
ECM judges the communication between ABS/TCS/VDC control unit and ECM is abnormal.
Check system
BRC-78, "Engine System Inspection"
ABS actuator or relay circuit malfunction.
ASCD brake switch or circuit malfunction.
EC-524, "DTC P1572
ASCD BRAKE SWITCH"
Note 1. If wheel sensor 2 for each wheel is indicated, check ABS actuator and electric unit (control unit) power supply voltage in addition to wheel sensor circuit check.
Note 2. If multiple malfunctions are detected including CAN communication line [U1000], perform diagnosis for
CAN communication line first.
DATA MONITOR
Operation Procedure
1.
After turning OFF the ignition switch, connect CONSULT-II and CONSULT-II CONVERTER to the data link connector.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication.
2.
Touch “START (NISSAN BASED VHCL)”, “ABS”, “DATA MONITOR” in order on the CONSULT-II screen.
If “ABS” is not indicated, go to GI-39, "CONSULT-II Data Link Connector (DLC) Circuit" .
CAUTION:
When “START (NISSAN BASED VHCL)” is touched immediately after starting the engine or turning on the ignition switch, “ABS” might not be displayed in the SELECT SYSTEM screen. In this case, repeat the operation from step 2.
3.
Return to the SELECT MONITOR ITEM screen, and touch “ECU INPUT SIGNALS”, “MAIN SIGNALS” or
“SELECTION FROM MENU”. Refer to the following information.
4.
When “START” is touched, the data monitor screen is displayed.
Display Item List
Item
(Unit)
Data monitor item selection
ECU INPUT
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
Remarks
GEAR
FR RH SENSOR
(km/h, MPH)
FR LH SENSOR
(km/h, MPH)
×
×
×
×
×
×
×
×
×
This item is not used for this model.
"1" is always displayed.
Wheel speed calculated by front
RH wheel sensor signal is displayed.
Wheel speed calculated by front LH wheel sensor signal is displayed.
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Revision: May 2006
BRC-73
2007 Maxima
Item
(Unit)
RR RH SENSOR
(km/h, MPH)
RR LH SENSOR
(km/h, MPH)
BATTERY VOLT
(V)
ACCEL POS SIG
(%)
ENGINE SPEED
(rpm)
STR ANGLE SIG
(deg)
YAW RATE SEN
(d/s)
DECEL G-SEN
(d/s)
SIDE G-SENSOR
(m/s
2
)
STOP LAMP SW
(ON/OFF)
OFF SW
(ON/OFF)
ABS WARN LAMP
(ON/OFF)
SLIP LAMP
(ON/OFF)
FR LH IN SOL
(ON/OFF)
FR LH OUT SOL
(ON/OFF)
RR RH IN SOL
(ON/OFF)
RR RH OUT SOL
(ON/OFF)
FR RH IN SOL
(ON/OFF)
FR RH OUT SOL
(ON/OFF)
RR LH IN SOL
(ON/OFF)
RR LH OUT SOL
(ON/OFF)
OFF LAMP
(ON/OFF)
MOTOR RELAY
(ON/OFF)
ACTUATOR RLY
(ON/OFF)
Revision: May 2006
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
Data monitor item selection
ECU INPUT
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
× × ×
×
×
×
×
×
×
×
×
×
×
–
–
–
–
–
–
–
–
–
–
–
–
–
×
×
–
×
–
×
×
–
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Remarks
Wheel speed calculated by rear RH wheel sensor signal is displayed.
Wheel speed calculated by rear LH wheel sensor signal is displayed.
Voltage supplied to ABS actuator and electric unit (control unit) is displayed.
Throttle valve open/close status judged by LAN communication signal is displayed.
Engine speed judged by LAN communication signal is displayed.
Steering angle detected by steering angle sensor is displayed.
Yaw rate detected by yaw rate sensor is displayed.
Longitudinal acceleration detected by Decel G-sensor is displayed.
Transverse acceleration detected by side G-sensor is displayed.
Stop lamp switch (ON/OFF) status is displayed.
VDC OFF switch (ON/OFF) status is displayed.
ABS warning lamp (ON/OFF) status is displayed.
SLIP indicator lamp (ON/OFF) status is displayed.
Front LH IN ABS solenoid (ON/
OFF) status is displayed.
Front LH OUT ABS solenoid (ON/
OFF) status is displayed.
Rear RH IN ABS solenoid (ON/
OFF) status is displayed.
Rear RH OUT ABS solenoid (ON/
OFF) status is displayed.
Front RH IN ABS solenoid (ON/
OFF) status is displayed.
Front RH OUT ABS solenoid (ON/
OFF) status is displayed.
Rear LH IN ABS solenoid (ON/
OFF) status is displayed.
Rear LH OUT ABS solenoid (ON/
OFF) status is displayed.
OFF Lamp (ON/OFF) status is displayed.
ABS motor relay signal (ON/OFF) status is displayed.
ABS actuator relay signal (ON/
OFF) status is displayed.
BRC-74
2007 Maxima
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
Item
(Unit)
Data monitor item selection
ECU INPUT
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
Remarks
EBD WARN LAMP
(ON/OFF)
P POSI SIG
(ON/OFF)
N POSI SIG
(ON/OFF)
CRANKING SIG
(ON/OFF)
CV1
(ON/OFF)
CV2
(ON/OFF)
SV1
(ON/OFF)
SV2
(ON/OFF)
VDC FAIL SIG
(ON/OFF)
TCS FAIL SIG
(ON/OFF)
ABS FAIL SIG
(ON/OFF)
EBD FAIL SIG
(ON/OFF)
FLUID LEV SW
(ON/OFF)
EBD SIGNAL
(ON/OFF)
ABS SIGNAL
(ON/OFF)
TCS SIGNAL
(ON/OFF)
VDC SIGNAL
(ON/OFF)
STOP LAMP SW2
–
–
–
–
–
–
–
–
–
–
–
–
×
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Brake warning lamp (ON/OFF) status is displayed.
Shift position judged by PNP switch signal.
Shift position judged by PNP switch signal.
Ignition switch START position signal input status is displayed.
Front side switch-over solenoid valve (cut valve) (ON/OFF) status is displayed.
Rear side switch-over solenoid valve (cut-valve) (ON/OFF) status is displayed.
Front side switch-over solenoid valve (suction valve) (ON/OFF) status is displayed.
Rear side switch-over solenoid valve (suction valve) (ON/OFF) status is displayed.
VDC fail signal (ON/OFF) status is displayed.
TCS fail signal (ON/OFF) status is displayed.
ABS fail signal (ON/OFF) status is displayed.
EBD fail signal (ON/OFF) status is displayed.
Brake fluid level switch (ON/OFF) status is displayed.
EBD operation (ON/OFF) status is displayed.
ABS operation (ON/OFF) status is displayed.
TCS operation (ON/OFF) status is displayed.
VDC operation (ON/OFF) status is displayed.
ASCD (ON/OFF) status is displayed.
×
: Applicable
–: Not applicable
ACTIVE TEST
CAUTION:
●
Do not perform active test while driving.
●
Make sure to completely bleed air from the brake system.
●
The ABS and BRAKE warning lamps turn on during the active test.
Operation Procedure
1.
Connect the CONSULT-II and CONSULT-II CONVERTER to the data link connector and start the engine.
A
B
C
D
E
BRC
G
H
I
J
K
L
M
Revision: May 2006
BRC-75
2007 Maxima
TROUBLE DIAGNOSIS
[VDC/TCS/ABS]
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication.
2.
Touch “START (NISSAN BASED VHCL)” on the display screen.
3.
Touch “ABS”.
If “ABS” is not indicated, go to GI-39, "CONSULT-II Data Link Connector (DLC) Circuit" .
4.
Touch “ACTIVE TEST”.
5.
The “SELECT TEST ITEM” screen is displayed.
6.
Touch necessary test item.
LBR379
7.
With the “MAIN SIGNALS” display selected, touch “START”.
8.
The Active Test screen will be displayed, so conduct the following test.
Solenoid Valve Operation Chart
ABS solenoid valve
Operation
FR RH SOL
FR RH ABS SOLE-
NOID (ACT)
FR LH SOL
FR LH ABS SOLE-
NOID (ACT)
RR RH SOL
RR RH ABS SOLE-
NOID (ACT)
FR RH IN SOL
FR RH OUT SOL
FR LH IN SOL
FR LH OUT SOL
RR RH IN SOL
RR RH OUT SOL
RR LH SOL
RR LH ABS SOLE-
NOID (ACT)
RR LH IN SOL
RR LH OUT SOL
*: ON for 1 to 2 seconds after the touch, and then OFF
UP
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
KEEP
ON
OFF
ON
OFF
ON
OFF
ON
OFF
DOWN
ON
ON*
ON
ON*
ON
ON*
ON
ON*
UP
ABS solenoid valve (ACT)
ACTUA-
TOR UP
ACTUA-
TOR KEEP
OFF OFF OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
NOTE:
●
If active test is performed with brake pedal depressed, pedal stroke may change. This is normal.
●
“TEST IS STOPPED” is displayed approximately 10 seconds after operation starts.
●
After “TEST IS STOPPED” is displayed, to perform test again, repeat Step 6.
ABS Motor
Touch “ON” and “OFF” on the screen. Check that ABS motor relay operates as shown in table below.
OFF
OFF
OFF
OFF
OFF
Operation
ABS actuator relay
ABS motor relay
ON
ON
ON
OFF
ON
OFF
NOTE:
●
If active test is performed with brake pedal depressed, pedal stroke may change. This is normal.
●
“TEST IS STOPPED” is displayed approximately 10 seconds after operation starts.
Revision: May 2006
BRC-76
SFIA0593E
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Wheel Sensor System Inspection
INSPECTION PROCEDURE
1.
CONNECTOR INSPECTION
PFP:00000
EFS004H6
A
B
Disconnect the ABS actuator and electric unit (control unit) connector E125 and wheel sensor of malfunctioning code.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 2.
>> Repair or replace as necessary.
2.
CHECK WHEEL SENSOR OUTPUT SIGNAL
C
D
E
1.
Disconnect connector from wheel sensor of malfunction code No.
2.
Connect ABS active wheel sensor tester (J-45741) to wheel sensor using appropriate adapter.
3.
Turn on the ABS active wheel sensor tester power switch.
NOTE:
The green POWER indicator should illuminate. If the POWER indicator does not illuminate, replace the battery in the ABS active wheel sensor tester before proceeding.
4.
Spin the wheel of the vehicle by hand and observe the red SENSOR indicator on the ABS active wheel sensor tester. The red SENSOR indicator should flash on and off to indicate an output signal.
NOTE:
If the red SENSOR indicator illuminates but does not flash, reverse the polarity of the tester leads and retest.
Does the ABS active wheel sensor tester detect a signal?
YES >> GO TO 3.
NO >> GO TO 6.
3.
CHECK TIRES
BRC
G
H
I
J
Check for inflation pressure, wear and size of each tire.
Are tire pressure and size correct and is tire wear within specifications?
YES >> GO TO 4.
NO >> Adjust tire pressure or replace tire(s).
4.
CHECK WHEEL BEARINGS
K
L
Check wheel bearing axial end play. Refer to FAX-5, "FRONT WHEEL BEARING" or RAX-5, "REAR WHEEL
BEARING" .
OK or NG
OK
NG
>> GO TO 5.
>> Repair as necessary. Refer to FAX-5, "FRONT WHEEL BEARING" or RAX-5, "REAR WHEEL
BEARING" .
5.
CHECK SENSOR ROTORS
Check sensor rotors for tooth damage.
OK or NG
OK
NG
>> GO TO 6.
>> Replace sensor rotor. Refer to
BRC-95, "Removal and Installation" .
M
Revision: May 2006
BRC-77
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[VDC/TCS/ABS]
6.
CHECK WIRING HARNESS FOR SHORT CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connector and wheel sensor connector of malfunction code No.
2.
Check continuity between harness connector terminal and ground.
Continuity should not exist.
OK or NG
OK
NG
>> GO TO 7.
>> Repair the circuit.
WFIA0105E
7.
CHECK WIRING HARNESS FOR OPEN CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connector and wheel sensor connector of malfunction code No.
2.
Check continuity between both wiring harness ends.
Front LH
Sensor
ABS actuator and electric unit (control unit)
Connector Terminals
14
13
26
Wheel sensor
Connector
E18
Terminals
1
2
1
Continuity
Front RH
Rear LH
E125
27
29
28
11
E117
B123
2
1
2
1
Yes
Rear RH B122
12 2
OK or NG
OK
NG
>> Replace the ABS actuator and electric unit (control unit). Refer to
BRC-43, "Removal and Installation"
.
>> Repair the circuit.
Engine System Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
EFS004H7
Check self-diagnosis results.
Self-diagnosis results
ENGINE SIGNAL 1
ENGINE SIGNAL 2
ENGINE SIGNAL 3
ENGINE SIGNAL 4
ENGINE SIGNAL 5
ENGINE SIGNAL 6
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
Revision: May 2006
BRC-78
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[VDC/TCS/ABS]
2.
ENGINE SYSTEM INSPECTION
1.
Perform ECM self-diagnosis and repair as necessary.
2.
Perform ABS actuator and electric unit (control unit) self-diagnosis again.
OK or NG
OK
NG
>> Inspection End.
>> Repair as necessary.
ABS/TCS/VDC Control Unit Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
EFS004H8
Check self-diagnosis results.
A
B
C
D
Self-diagnosis results
CONTROLLER FAILURE
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.
CHECK WHEEL SENSORS
Check all wheel sensors. Refer to BRC-77, "Wheel Sensor System Inspection" .
OK or NG
OK
NG
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-96, "Removal and Installation"
.
>> Repair or replace as necessary.
Steering Angle Sensor System Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
EFS004H9
Check self-diagnosis results.
E
BRC
G
H
I
J
K
Self-diagnosis results
ST ANGLE SEN CIRCUIT
ST ANGLE SEN SIGNAL
ST ANG SEN COM CIR
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 3.
NO >> GO TO 2.
2.
DATA MONITOR CHECK
Conduct “DATA MONITOR” of the “STR ANGLE SIG” to check if the status is normal.
Steering condition
Straight-ahead
Turn wheel 90
°
to the right.
Turn wheel 90
°
to the left.
OK or NG
OK
NG
>> Inspection End.
>> GO TO 3.
Data monitor
-5deg - +5deg
Approx. +90
°
Approx. -90
°
L
M
Revision: May 2006
BRC-79
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[VDC/TCS/ABS]
3.
CONNECTOR INSPECTION
1.
Disconnect the ABS actuator and electric unit (control unit) connector E125 and steering angle sensor
M47.
2.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 4.
>> Repair or replace as necessary.
4.
CHECKING STEERING ANGLE SENSOR POWER AND GROUND
1.
Turn the ignition switch ON.
2.
Check voltage between steering angle sensor connector M47 and ground.
(+)
Terminals
Steering angle sensor connector
Terminal
M47
1
3
(-)
Ground
Measured value
(Approx.)
12V
12V
WFIA0398E
3.
Check resistance between steering angle sensor connector M47 and ground.
Terminals
(+)
Steering angle sensor connector
Terminal
(-)
Measured value
Ω
(Approx.)
M47 2 Ground 0
Ω
OK or NG
OK
NG
WFIA0399E
>> Check the CAN communication system. Refer to
87, "CAN Communication System Inspection" . If the CAN communication system is OK, replace
spiral cable (steering angle sensor) and adjust neutral position of steering angle sensor. Refer to
BRC-93, "Adjustment of Steering Angle Sensor Neutral Position" .
>> Repair the circuit.
Revision: May 2006
BRC-80
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[VDC/TCS/ABS]
Yaw Rate/Side/Decel G Sensor System Inspection
EFS004HA
CAUTION:
Sudden turns (such as spin turns, acceleration turns), drifting, etc. When VDC function is OFF may cause the yaw rate/side/decel G sensor system to indicate a problem. However this is not a problem if normal operation can be resumed after restarting the engine.
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
A
B
C
Self-diagnosis results
YAW RATE SENSOR
LONGITUDINAL G-SENSOR
LATERAL G-SENSOR
D
E
CAUTION:
When on a turntable, such as at a parking structure entrance, or when on a moving object with the engine running, the VDC OFF indicator lamp might turn on and the self-diagnosis using the CONSULT-
II the yaw rate sensor system might be displayed, but in this case there is no problem with the yaw rate sensor system. As soon as the vehicle leaves the turntable or moving object, restart the engine to return the system to normal.
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
BRC
G
H
2.
CONNECTOR INSPECTION
I
Disconnect the ABS actuator and electric unit (control unit) connector E125 and yaw rate/side/decel G sensor connector M46.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 3.
>> Repair or replace as necessary.
3.
YAW RATE/SIDE/DECEL G SENSOR HARNESS INSPECTION
J
K
1.
Turn the ignition switch OFF.
2.
Check the continuity between the ABS actuator and electric unit (control unit) connector E125 and the yaw rate/side/decel G sensor connector M46.
L
M
ABS actuator and electric unit
(control unit) connector E125
19
36
35
34
4
6
OK or NG
OK
NG
>> GO TO 4.
>> Repair or replace as necessary.
Yaw rate/side/decel G sensor connector M46
1
2
3
4
5
6
Continuity
Continuity should exist.
Revision: May 2006
BRC-81
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[VDC/TCS/ABS]
4.
YAW RATE/SIDE/DECEL G SENSOR INSPECTION
1.
Connect the yaw rate/side/decel G sensor connector M46 and ABS actuator and electric unit (control unit) connector E125.
2.
Use “DATA MONITOR” to check the yaw rate/side/decel G sensor.
Vehicle status
When stopped
Right hand turn
Left turn
YAW RATE SEN
(Data monitor standard)
-4 to +4 deg/s
Negative value
Positive value
SIDE G-SENSOR
(Data monitor standard)
-1.1 to +1.1 m/s
2
Negative value
Positive value
OK or NG
OK
NG
>> Inspection End.
>> Replace the yaw rate/side/decel G sensor. Refer to
BRC-99, "Removal and Installation" .
Solenoid and VDC Change-Over Valve System Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
EFS004HB
Check self-diagnosis results.
Self-diagnosis results
FR LH IN ABS SOL
FR LH OUT ABS SOL
RR RH IN ABS SOL
RR RH OUT ABS SOL
FR RH IN ABS SOL
FR RH OUT ABS SOL
RR LH IN ABS SOL
RR LH OUT ABS SOL
CV 1
CV 2
SV 1
SV 2
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.
CONNECTOR INSPECTION
1.
Disconnect ABS actuator and electric unit (control unit) connector E125.
2.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 3.
>> Repair or replace as necessary.
Revision: May 2006
BRC-82
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[VDC/TCS/ABS]
3.
CHECKING SOLENOID POWER AND GROUND
1.
Disconnect ABS actuator and electric unit (control unit) connector E125.
2.
Check voltage between ABS actuator and electric unit (control unit) connector E125 and ground.
ABS actuator and electric unit
(control unit) connector E125
16
Body ground
—
Measured value
(Approx.)
12V
A
B
C
D
WFIA0111E
E
3.
Check resistance between ABS actuator and electric unit (control unit) connector E125 and body ground.
ABS actuator and electric unit
(control unit) connector E125
Body ground
Measured value
Ω
(Approx.)
31
46
— 0
Ω
OK or NG
OK
NG
>> Perform self-diagnosis again. If the same results appear, replace ABS actuator and electric unit (control
unit). Refer to BRC-96, "Removal and Installation"
.
>> Repair the circuit.
Actuator Motor, Motor Relay, and Circuit Inspection
INSPECTION PROCEDURE
1.
CHECKING SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Self-diagnosis results
ACTUATOR RLY
PUMP MOTOR
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.
CONNECTOR INSPECTION
Disconnect the ABS actuator and electric unit (control unit) connector E125.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 3.
>> Repair or replace as necessary.
BRC
G
H
WFIA0112E
I
EFS004HC
J
K
L
M
Revision: May 2006
BRC-83
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[VDC/TCS/ABS]
3.
CHECKING ABS MOTOR AND MOTOR RELAY POWER SYSTEM
1.
Check voltage between ABS actuator and electric unit (control unit) connector E125 and body ground.
ABS actuator and electric unit
(control unit) connector E125
1
Body ground
—
Measured value
(Approx.)
12V
WFIA0106E
2.
Check resistance between ABS actuator and electric unit (control unit) connector E125 and ground.
ABS actuator and electric unit
(control unit) connector E125
46
Body ground
—
Measured value
(Approx.)
0
Ω
OK or NG
OK
NG
>> Perform self-diagnosis again. If the same result appears, replace ABS actuator and electric unit (control unit). Refer to
BRC-43, "Removal and Installation"
.
>> Repair the circuit.
Stop Lamp Switch System Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
WFIA0113E
EFS004HD
Self-diagnosis results
STOP LAMP SW 1
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.
CONNECTOR INSPECTION
1.
Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) connector
E125 and stop lamp switch connector E38.
2.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 3.
>> Repair or replace as necessary.
Revision: May 2006
BRC-84
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[VDC/TCS/ABS]
3.
STOP LAMP SWITCH INSPECTION
Check the voltage between the ABS actuator and electric unit (control unit) connector E125 terminal 23 and ground.
23 - Ground
Brake pedal depressed : Battery voltage
(approx. 12V)
Brake pedal not depressed : Approx. 0V
OK or NG
OK
NG
>> Connect the connectors and conduct ABS actuator and electric unit (control unit) self-diagnosis.
>> Repair the circuit.
ABS/TCS/VDC Control Unit Power and Ground Systems Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
WFIA0114E
EFS004HE
A
B
C
D
E
BRC
Self-diagnosis results
BATTERY VOLTAGE
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.
CONNECTOR INSPECTION
1.
Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) connector
E125.
2.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 3.
>> Repair or replace as necessary.
3.
ABS/TCS/VDC CONTROL UNIT POWER AND GROUND CIRCUIT INSPECTION
Measure the voltage and continuity between the ABS actuator and electric unit (control unit) connector E125 and ground.
Signal name
Power supply
ABS actuator and electric unit
(control unit) connector E125
45
Ground Measured value
Battery voltage (Approx. 12V)
Ground
31
46
—
Continuity should exist.
OK or NG
OK
NG
>> Check the battery for loose terminals, low voltage, etc. Repair as necessary.
>> Repair the circuit.
G
H
I
J
K
L
M
Revision: May 2006
BRC-85
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[VDC/TCS/ABS]
Brake Fluid Level Switch System Inspection
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
EFS004HF
1.
Check the brake reservoir tank fluid level. If the level is low, add brake fluid.
2.
Erase the self-diagnosis results and check the self-diagnosis results.
Self-diagnosis results
BR FLUID LEVEL LOW
Is the above displayed in the self-diagnosis display items?
YES >> GO TO 2.
NO >> Inspection End.
2.
CONNECTOR INSPECTION
1.
Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) connector
E125 and brake fluid level switch connector E21.
2.
Check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 3.
>> Repair or replace as necessary.
3.
CHECK THE HARNESS BETWEEN THE BRAKE FLUID LEVEL SWITCH AND THE ABS ACTUATOR
AND ELECTRIC UNIT (CONTROL UNIT)
Check the continuity between the brake fluid level switch connector E21 and the ABS actuator and electric unit
(control unit) connector E125.
ABS actuator and electric unit (control unit) connector E125
Brake fluid level switch connector
E21
38
38
Ground
OK or NG
OK
NG
>> GO TO 4.
>> Repair the circuit.
+
Ground
-
4.
CHECK BRAKE FLUID LEVEL SWITCH
Continuity
Continuity should exist.
Continuity should not exist.
Continuity should exist.
Check continuity between brake fluid level switch terminals + and -.
Continuity should not exist.
OK or NG
OK
NG
>> Perform self-diagnosis again. If the same results appear, replace ABS actuator and electric unit
(control unit). Refer to
BRC-96, "Removal and Installation" .
>> Replace brake fluid level switch.
Revision: May 2006
BRC-86
2007 Maxima
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
[VDC/TCS/ABS]
CAN Communication System Inspection
INSPECTION PROCEDURE
1.
CHECK CONNECTOR
EFS004HG
A
B
1.
Turn ignition switch OFF, disconnect the ABS actuator and electric unit (control unit) connector, and check the terminals for deformation, disconnection, looseness, and so on. If there is a malfunction, repair or replace the terminal.
2.
Reconnect connector to perform self-diagnosis.
Is “CAN COMM CIRCUIT” displayed in the self-diagnosis display items?
YES >> Print out the self-diagnosis results, and refer to LAN-44, "TROUBLE DIAGNOSIS" .
NO >> Connector terminal connection is loose, damaged, open, or shorted.
Component Inspection
VDC OFF SWITCH
Check the continuity between terminals 1 and 2.
1 -2 : Continuity should exist when pushing the switch.
Continuity should not exist when releasing the switch.
EFS004HH
C
D
E
BRC
G
PFIA0307E
H
I
J
K
L
M
Revision: May 2006
BRC-87
2007 Maxima
TROUBLE DIAGNOSES FOR SYMPTOMS
TROUBLE DIAGNOSES FOR SYMPTOMS
ABS Works Frequently
[VDC/TCS/ABS]
PFP:99999
EFS004HI
1.
CHECK WARNING LAMP ACTIVATION
Make sure warning lamp remains off while driving.
OK or NG
OK
NG
>> GO TO 2.
>> Carry out self-diagnosis. Refer to
2.
CHECK WHEEL SENSORS
Check the following.
●
Wheel sensor mounting for looseness
●
Wheel sensors for physical damage
●
Wheel sensor connectors for terminal damage or loose connections
OK or NG
OK
NG
>> GO TO 3.
>> Repair as necessary.
3.
CHECK WHEEL BEARINGS
Check wheel bearing axial end play. Refer to FAX-5, "FRONT WHEEL BEARING" or RAX-5, "REAR WHEEL
BEARING" .
OK or NG
OK
NG
>> GO TO 4.
>> Repair as necessary.
4.
CHECK BRAKE FLUID PRESSURE
Check brake fluid pressure distribution.
Refer to BR-36, "Inspection" .
Is brake fluid pressure distribution normal?
YES >> Inspection End.
NO >> Perform Basic Inspection. Refer to
Revision: May 2006
BRC-88
2007 Maxima
TROUBLE DIAGNOSES FOR SYMPTOMS
Unexpected Pedal Action
1.
CHECK WARNING LAMP ACTIVATION
Make sure warning lamp remains off while driving.
OK or NG
OK
NG
>> GO TO 2.
>> Carry out self-diagnosis. Refer to BRC-70, "SELF-DIAGNOSIS"
.
2.
CHECK BRAKE PEDAL STROKE
Check brake pedal stroke.
Is pedal stroke excessive?
YES >> Perform Basic Inspection. Refer to
NO >> GO TO 3.
[VDC/TCS/ABS]
EFS004HJ
A
B
C
D
E
BRC
G
SBR540A
3.
CHECK CONNECTOR AND BRAKING PERFORMANCE
1.
Disconnect ABS actuator and electric unit (control unit) connector.
2.
Check brake effectiveness.
NOTE:
Driving the vehicle with the ABS actuator and electric unit (control unit) disconnected may induce DTCs in electrical control units using CAN communication. After the inspection, clear all DTCs. Refer to LAN-4, "SYS-
TEM DESCRIPTION" .
OK or NG
OK
NG
>> GO TO 4.
>> Perform Basic Inspection. Refer to BRC-66, "Basic Inspection" .
4.
CHECK WHEEL SENSORS
●
●
Check the following.
Wheel sensor mounting for looseness
Wheel sensors for physical damage
●
Wheel sensor connectors for terminal damage or loose connections
OK or NG
OK
NG
>> Check ABS actuator and electric unit (control unit) pin terminals for damage and the connection of harness connector. Reconnect ABS actuator and electric unit (control unit) harness connector.
Then retest.
>> Repair as necessary.
H
M
I
J
K
L
Revision: May 2006
BRC-89
2007 Maxima
TROUBLE DIAGNOSES FOR SYMPTOMS
Long Stopping Distance
[VDC/TCS/ABS]
EFS004HK
1.
CHECK BASE BRAKING SYSTEM PERFORMANCE
1.
Disable ABS by disconnecting ABS actuator and electric unit (control unit) connector.
2.
Drive vehicle and check to see if stopping distance is still long.
NOTE:
Driving the vehicle with the ABS actuator and electric unit (control unit) disconnected may induce DTCs in electrical control units using CAN communication. After the inspection, clear all DTCs. Refer to LAN-4, "SYS-
TEM DESCRIPTION" .
OK or NG
OK
NG
>> Go to
BRC-88, "ABS Works Frequently" .
>> Perform Basic Inspection. Refer to
NOTE:
Stopping distance may be longer than vehicles without ABS when road condition is slippery.
ABS Does Not Work
CAUTION:
The ABS does not operate when the vehicle speed is 10 km/h (6 MPH) or less.
EFS004HL
1.
CHECK WARNING LAMP ACTIVATION
Turn ignition switch ON and check for warning lamp activation.
●
Warning lamp should activate for approximately 2 seconds after turning the ignition switch ON.
OK or NG
OK
NG
>> Carry out self-diagnosis. Refer to
>> Go to
BRC-91, "ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On" .
Pedal Vibration or ABS Operation Noise
EFS004HM
NOTE:
During ABS activation, pedal vibration may be felt and a noise may be heard. This is normal and does not indicate a malfunction.
1.
CHECK SYMPTOM
1.
Apply brake.
2.
Start engine.
Does the symptom occur only when engine is started?
YES >> Carry out self-diagnosis. Refer to
NO >> GO TO 2.
2.
RECHECK SYMPTOM
Does the symptom occur only when electrical equipment switches (such as headlamp) are turned on?
YES >> Check for radio, antenna or related wiring that is routed too close to the ABS actuator and electric
NO unit (control unit) and reroute as necessary.
>> Go to
BRC-88, "ABS Works Frequently" .
Revision: May 2006
BRC-90
2007 Maxima
TROUBLE DIAGNOSES FOR SYMPTOMS
[VDC/TCS/ABS]
ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On
EFS004HN
A
1.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) FUSES
Check 40A fusible link i and 50A fusible link j for ABS actuator and electric unit (control unit). For fusible link layout, refer to PG-4, "POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK
NG
>> GO TO 2.
>> If fusible link is blown, be sure to eliminate cause of problem before replacing.
2.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUITS
1.
Disconnect ABS actuator and electric unit (control unit) connector.
2.
Check voltage between ABS actuator and electric unit (control unit) connector terminal 1 and ground and terminal 16 and ground.
Does battery voltage exist?
YES >> GO TO 3.
NO >> Repair harness or connectors between fusible link and
ABS actuator and electric unit (control unit).
B
C
D
E
BRC
G
WFIA0116E
H
3.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT
Check continuity between ABS actuator and electric unit (control unit) connector E125 terminal 31 and ground and terminal 46 and ground.
Does continuity exist?
YES >> Replace ABS actuator and electric unit (control unit).
Refer to BRC-96, "Removal and Installation" .
NO >> Repair harness or connectors between ABS actuator and electric unit (control unit) and ground.
K
WFIA0112E
EFS004HO
L
M
I
J
ABS Warning Lamp Stays On When Ignition Switch Is Turned On
1.
CARRY OUT SELF-DIAGNOSIS
Carry out self-diagnosis. Refer to
Are malfunctions detected in self-diagnosis?
YES
>> Refer to BRC-71, "Display Item List" .
NO >> Refer to DI-39, "WARNING LAMPS" .
Revision: May 2006
BRC-91
2007 Maxima
TROUBLE DIAGNOSES FOR SYMPTOMS
Vehicle Jerks During TCS/VDC Activation
[VDC/TCS/ABS]
EFS004HP
1.
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
Perform ABS actuator and electric unit (control unit) self-diagnosis.
Are self-diagnosis result items displayed?
YES >> After checking and repairing the applicable item, perform the ABS actuator and electric unit (control unit) self-diagnosis again.
NO >> GO TO 2.
2.
ENGINE SPEED SIGNAL INSPECTION
Perform data monitor with CONSULT-II for the ABS actuator and electric unit (control unit).
Is the engine speed at idle 400 rpm or higher?
YES >> GO TO 4.
NO >> GO TO 3.
3.
ECM SELF-DIAGNOSIS
Perform ECM self-diagnosis.
Are self-diagnosis result items displayed?
YES >> After checking and repairing the applicable item, perform the ECM self-diagnosis again.
NO >> GO TO 4.
4.
TCM SELF-DIAGNOSIS
Perform TCM self-diagnosis.
Are self-diagnosis result items displayed?
YES >> After checking and repairing the applicable item, perform the TCM self-diagnosis again.
NO >> GO TO 5.
5.
CONNECTOR INSPECTION
Disconnect the ABS actuator and electric unit (control unit) connector and the ECM connectors and check the terminals for deformation, disconnection, looseness or damage.
OK or NG
OK
NG
>> GO TO 6.
>> Repair or replace the connector terminal.
6.
CAN COMMUNICATION INSPECTION
Check the CAN communication system. Refer to
BRC-87, "CAN Communication System Inspection"
.
OK or NG
OK
NG
>> Inspection End.
>> Reconnect the connectors, and perform ABS actuator and electric unit (control unit) self-diagnosis.
Revision: May 2006
BRC-92
2007 Maxima
ON-VEHICLE SERVICE
[VDC/TCS/ABS]
ON-VEHICLE SERVICE
Adjustment of Steering Angle Sensor Neutral Position
PFP:00000
EFS004HQ
After removing/installing or replacing ABS actuator and electric unit (control unit), steering angle sensor, steering and suspension components which affect wheel alignment or after adjusting wheel alignment, be sure to adjust neutral position of steering angle sensor before running vehicle.
NOTE:
Adjustment of steering angle sensor neutral position requires CONSULT-II.
1.
Stop vehicle with front wheels in straight-ahead position.
2.
Connect CONSULT-II and CONSULT-II CONVERTER to data link connector on vehicle, and turn ignition switch ON (do not start engine).
3.
Touch “START (NISSAN BASED VHCL)”, “ABS”, “WORK SUP-
PORT” and “ST ANGLE SENSOR ADJUSTMENT” on CON-
SULT-II screen in this order.
A
B
C
D
E
BBIA0002E
4.
Touch “START”.
CAUTION:
Do not touch steering wheel while adjusting steering angle sensor.
5.
After approximately 10 seconds, touch “END”. (After approximately 60 seconds, it ends automatically.)
6.
Turn ignition switch OFF, then turn it ON again.
7.
Run vehicle with front wheels in straight-ahead position, then stop.
8.
Select “DATA MONITOR”, “SELECTION FROM MENU”, and
“STR ANGLE SIG” on CONSULT-II screen. Then check that
“STR ANGLE SIG” is within 0
±
2.5 deg. If value is more than specification, repeat steps 1 to 5.
9.
Erase memory of ABS actuator and electric unit (control unit) and ECM.
10. Turn ignition switch to OFF.
WFIA0239E
BRC
G
H
I
J
K
L
M
Revision: May 2006
BRC-93
2007 Maxima
WHEEL SENSORS
Removal and Installation
WHEEL SENSORS
[VDC/TCS/ABS]
PFP:47910
EFS00682
–
LFIA0078E
CAUTION:
●
Be careful not to damage wheel sensor edge and sensor rotor teeth.
●
When removing the front or rear wheel hub assembly, first remove the wheel sensor from the assembly. Failure to do so may result in damage to the wheel sensor wires making the sensor inoperative.
CAUTION:
●
Pull out the wheel sensor, being careful to turn it as little as possible. Do not pull on the wheel sensor harness.
●
Installation should be performed while paying attention to the following, and then tighten mounting bolts and nuts to the specified torque.
Check if foreign objects such as iron fragments are adhered to the pick-up part of the sensor or to the inside of the hole for the wheel sensor, or if a foreign object is caught in the mating surface of the sensor rotor. If something wrong is found, fix it and then install the wheel sensor.
REMOVAL
1.
Remove wheel and tire using power tool.
2.
Disconnet wheel sensor harness connector and remove harness wire from attachment points.
3.
Remove wheel sensor bolt and wheel sensor.
INSTALLATION
Installation is in the reverse order of removal.
●
When installing wheel and tire, refer to WT-7, "Tire Rotation" .
Revision: May 2006
BRC-94
2007 Maxima
SENSOR ROTOR
SENSOR ROTOR
Removal and Installation
REMOVAL
Front
1.
Remove the front wheel hub. Refer to FAX-6, "Removal and Installation" .
2.
Remove the sensor rotor from the drive shaft using a suitable tool as shown.
[VDC/TCS/ABS]
PFP:47970
EFS00683
A
B
C
D
E
LFIA0079E
Rear
The rear wheel sensor rotor is built into the rear wheel hub. For removal and installation procedure, refer to
RAX-6, "Removal and Installation" .
BRC
G
INSTALLATION
Front
Installation is in the reverse order of removal.
●
●
Install the sensor rotor using a wooden block and suitable tool as shown.
Always replace sensor rotor with new one.
H
I
J
K
LFIA0083E
Rear
The rear wheel sensor rotor is built into the rear wheel hub. For removal and installation procedure, refer to
RAX-6, "Removal and Installation" .
L
M
Revision: May 2006
BRC-95
2007 Maxima
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
Removal and Installation
[VDC/TCS/ABS]
PFP:47660
EFS004HT
WFIA0104E
REMOVAL
1.
Disconnect battery negitive terminal.
2.
Remove windshield wiper and linkage assembly. Refer to WW-21, "Removal" .
3.
Drain brake fluid. Refer to BR-8, "Changing Brake Fluid" .
4.
Discharge the A/C refrigerant. Refer to ATC-130, "HFC-134a (R-134a) Service Procedure" .
5.
Disconnect and remove high-pressure and low-pressure A/C pipes to allow access to ABS actuator and electric unit (control unit). Refer to ATC-132, "Components" .
6.
Disconnect harness connectors from ABS actuator and electric unit (control unit).
7.
Disconnect brake pipes, noting their location for installation.
8.
Remove bolts and ABS actuator and electric unit (control unit).
INSTALLATION
CAUTION:
After installation of ABS actuator and electric unit (control unit), refill brake fluid. Then bleed air from system. Refer to BR-8, "Bleeding Brake System" .
1.
Position ABS actuator and electric unit (control unit) in vehicle.
2.
Connect brake pipes and bolts temporarily.
3.
Tighten bolts and brake pipes to specification. Refer to BR-9, "Hydraulic Circuit" .
4.
Connect ABS actuator and electric unit (control unit) harness connectors.
5.
Install and connect high-pressure and low-pressure A/C pipes. Refer to ATC-132, "Components" .
6.
Install windshield wiper and linkage assembly. Refer to WW-21, "Installation" .
Revision: May 2006
BRC-96
2007 Maxima
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
[VDC/TCS/ABS]
7.
Connect battery negitive terminal.
8.
Evacuate and recharge the A/C system. Refer to ATC-130, "HFC-134a (R-134a) Service Procedure" .
9.
A
B
BRC
G
H
C
D
E
K
L
I
J
M
Revision: May 2006
BRC-97
2007 Maxima
STEERING ANGLE SENSOR
[VDC/TCS/ABS]
STEERING ANGLE SENSOR
Removal and Installation
PFP:25554
EFS004HU
The steering angle sensor is built into the spiral cable. For removal and installation procedure, refer to SRS-
43, "Removal and Installation" .
Revision: May 2006
BRC-98
2007 Maxima
G SENSOR
G SENSOR
Removal and Installation
REMOVAL
1.
Remove center console. Refer to IP-17, "Front Center Console" .
2.
Disconnect harness connector.
3.
Remove attaching nuts and remove yaw rate/side/decel G sensor.
CAUTION:
●
Do not drop or strike the yaw rate/side/decel G sensor.
●
Do not use power tools to remove or install yaw rate/side/ decel G sensor.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
●
Do not drop or strike the yaw rate/side/decel G sensor.
[VDC/TCS/ABS]
PFP:47930
EFS004HV
A
B
C
D
E
PFIA0450E
BRC
I
J
G
H
K
L
M
Revision: May 2006
BRC-99
2007 Maxima
G SENSOR
[VDC/TCS/ABS]
Revision: May 2006
BRC-100
2007 Maxima
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Table of contents
- 3 PRECAUTIONS
- 3 SIONER
- 3 Precautions for Brake System
- 3 Precautions When Using CONSULT-II
- 3 CHECK POINTS FOR USING CONSULT-II
- 4 Precautions for Brake Control
- 4 Precautions for CAN System
- 5 PREPARATION
- 5 Special Service Tool
- 5 Commercial Service Tools
- 6 SYSTEM DESCRIPTION
- 6 System Diagram
- 6 ABS Function
- 6 EBD Function
- 6 TCS Function
- 7 Wheel Sensors
- 7 Fail-Safe Function
- 7 ABS/EBD SYSTEM
- 7 TCS SYSTEM
- 8 Hydraulic Circuit Diagram
- 9 CAN COMMUNICATION
- 9 System Description
- 10 TROUBLE DIAGNOSIS
- 10 Accurate Repair
- 10 INTRODUCTION
- 11 WORK FLOW
- 12 CLARIFY CONCERN
- 12 EXAMPLE OF DIAGNOSIS SHEET
- 15 Schematic
- 16 Wiring Diagram — TCS
- 20 Basic Inspection
- 20 BRAKE PAD INSPECTION
- 20 AND BATTERY INSPECTION
- 20 LAMP INSPECTION
- 20 Warning Lamp and Indicator Timing
- 21 Control Unit Input/Output Signal Standard
- 21 REFERENCE VALUE FROM CONSULT-II
- 23 CONSULT-II Function (ABS)
- 23 CONSULT-II START PROCEDURE
- 23 SELF-DIAGNOSIS
- 25 DATA MONITOR
- 27 ACTIVE TEST
- 29 ITEMS
- 29 Wheel Sensor System Inspection
- 30 Engine System Inspection
- 31 ABS/TCS Control Unit Inspection
- 31 Solenoid Valve System Inspection
- 33 Stop Lamp Switch System Inspection
- 34 Inspection
- 35 CAN Communication System Inspection
- 35 Component Inspection
- 35 TCS OFF SWITCH
- 36 TROUBLE DIAGNOSES FOR SYMPTOMS
- 36 ABS Works Frequently
- 37 Unexpected Pedal Action
- 38 Long Stopping Distance
- 38 ABS Does Not Work
- 38 Pedal Vibration or ABS Operation Noise
- 39 tion Switch Is Turned On
- 39 Is Turned On
- 40 Vehicle Jerks During TCS Activation
- 41 WHEEL SENSORS
- 41 Removal and Installation
- 41 REMOVAL
- 41 INSTALLATION
- 42 SENSOR ROTOR
- 42 Removal and Installation
- 42 REMOVAL
- 42 INSTALLATION
- 43 ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
- 43 Removal and Installation
- 43 REMOVAL
- 43 INSTALLATION
- 45 PRECAUTIONS
- 45 SIONER
- 45 Precautions for Brake System
- 45 Precautions When Using CONSULT-II
- 45 CHECK POINTS FOR USING CONSULT-II
- 46 Precautions for Brake Control
- 46 Precautions for CAN System
- 48 PREPARATION
- 48 Special Service Tool
- 48 Commercial Service Tools
- 49 SYSTEM DESCRIPTION
- 49 System Components
- 49 ABS Function
- 49 EBD Function
- 50 TCS Function
- 50 VDC Function
- 51 Wheel Sensors
- 51 Fail-Safe Function
- 51 ABS/EBD SYSTEM
- 51 VDC/TCS SYSTEM
- 52 Hydraulic Circuit Diagram
- 53 CAN COMMUNICATION
- 53 System Description
- 54 TROUBLE DIAGNOSIS
- 54 Accurate Repair
- 54 INTRODUCTION
- 55 WORK FLOW
- 56 CLARIFY CONCERN
- 56 EXAMPLE OF DIAGNOSIS SHEET
- 57 Component Parts and Harness Connector Location
- 59 Schematic
- 60 Wiring Diagram — VDC
- 66 Basic Inspection
- 66 BRAKE PAD INSPECTION
- 66 AND BATTERY INSPECTION
- 66 AND VDC OFF INDICATOR LAMP INSPECTION
- 67 Warning Lamp and Indicator Timing
- 67 Control Unit Input/Output Signal Standard
- 67 REFERENCE VALUE FROM CONSULT-II
- 70 CONSULT-II Function (ABS)
- 70 CONSULT-II START PROCEDURE
- 70 SELF-DIAGNOSIS
- 73 DATA MONITOR
- 75 ACTIVE TEST
- 77 ITEMS
- 77 Wheel Sensor System Inspection
- 78 Engine System Inspection
- 79 ABS/TCS/VDC Control Unit Inspection
- 79 Steering Angle Sensor System Inspection
- 82 Inspection
- 84 Stop Lamp Switch System Inspection
- 85 Systems Inspection
- 86 Brake Fluid Level Switch System Inspection
- 87 CAN Communication System Inspection
- 87 Component Inspection
- 87 VDC OFF SWITCH
- 88 TROUBLE DIAGNOSES FOR SYMPTOMS
- 88 ABS Works Frequently
- 89 Unexpected Pedal Action
- 90 Long Stopping Distance
- 90 ABS Does Not Work
- 90 Pedal Vibration or ABS Operation Noise
- 91 tion Switch Is Turned On
- 91 Is Turned On
- 92 Vehicle Jerks During TCS/VDC Activation
- 93 ON-VEHICLE SERVICE
- 94 WHEEL SENSORS
- 94 Removal and Installation
- 94 REMOVAL
- 94 INSTALLATION
- 95 SENSOR ROTOR
- 95 Removal and Installation
- 95 REMOVAL
- 95 INSTALLATION
- 96 Removal and Installation
- 96 REMOVAL
- 96 INSTALLATION
- 98 STEERING ANGLE SENSOR
- 98 Removal and Installation
- 99 G SENSOR
- 99 Removal and Installation
- 99 REMOVAL
- 99 INSTALLATION