BMW | M5 2001 | 2001 CHANGES.qxd

2001 CHANGES.qxd
Table of Contents
2001 MODEL YEAR CHANGES
Subject
Page
20 pin Diagnostic Socket Deletion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Instrument Cluster SIA Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2001 E39 Update. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Engines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Body work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Fog lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Park Distance Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Head and Tail Light Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
IHKR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
IHKA IV. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Rear HPS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Review Questions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Initial Print Date: 10/3/00
Revision Date:10/24/00
20 PIN DIAGNOSTIC SOCKET DELETION
Model: E39,E46,E52,E53
Production Date: E46 from 6/00
E39,E52,E53 from 9/00
For model year 2001 the E39, E46 and E53 will eliminate the 20 pin diagnostic connector
from the engine compartment. The 16 pin OBD II connector located inside the vehicle will
be the only diagnosis port.
The E38 and Z3 will continue to use the 20 pin connector.
The 16 pin OBD II connector has been in all
BMWs since 1996 to comply with OBD II
regulations requiring a standardized diagnostic
port.
Previously before 2001, only emissions relevant
data could be extracted from the OBD II
connector because it did not provide access to
TXD (D-bus). The TXD line is connected to pin
8 of the OBD II connector on vehicles without
the 20 pin diagnostic connector.
The cap to the OBD II connector contains a
bridge that links KL 30 to TXD and TXD II. This
is to protect the diagnostic circuit integrity and
prevent erroneous faults.
The OBD II connector is located in the drivers
footwell to the left of the steering column of E39,
E46 and E53 vehicles.
Special tool 61 4 300 is used to connect to the
20 pin diagnostic lead of the DIS until the introduction of the DISplus.
2
2001 model year changes
Diagnostics via the OBD II Connector
DSC III
kjhsdfkhsdflkhsdlkfjhlkjghkg
lkdkfljdflkjdsfljdslfjldskjflkjdflk
ldsflsdfklhdsfhsdfhsdkhfkhsdf
kldjfkljdfkjdskfkjdskfjkljdfkldsfk
kjsdfkljsdfkdsfkjdsfkljsdfkjds
ldjsfklkjsdfkldsjfkdsjfkdsfkdfklk
BMW DIS
BMW DIS
DIS
BMW
DIS/MoDiC
CONNECTOR
OBD II
16 9
CONNECTOR
7
TXD
20
80
100
120 140
100
160
180
200
220
240
20
2
120
3
4
5
1/min
x1000
6
1
140
0
km/h
5030 20 15
12
1
KL 31
7
MPH
miles
BRAKE
ABS
IKE/KOMBI
AGS
I/K-BUS
TD (RPM)
KL 30
DME
+
80
60
40
11
4
DME
-
60
40
12
0
UNLEADED GASOLINE ONLY
5
TXD II
8
KL 15
DSC
3
2001 model year changes
INSTRUMENT CLUSTER SIA RESET
Model: E38,E39,E46,E52,E53
Production Date: E46 from 9/99
E38,E39,E53 from 9/00
On 2001 vehicles without the diagnostic connector in the engine compartment, the use of
the SIA reset tool is not possible. The service indicator may be reset using the reset mode
in the instrument cluster.
1
80
60
3
100
6
1
½
20
5
2
120
40
140
0
7
40
PRESS AND HOLD
LEFT BUTTON.
KEEP PRESSED FOR
5 SECONDS AFTER
KEY IS SWITCHED
ON.
20
20 15
+72 0F
DIGIT READOUT
123456
RESET
2
4
miles
122 4
10
0
PRND S
432
P
!
ABS
TURN THE KEY TO
POSITION 1 (KL R)
SIA: -919 L
Service interval reset: high cluster
TAP BUTTON TO
RESET DISPLAY.
Reset procedure for high and low clusters with SIA III using the Reset Mode:
• Ignition key must be “off”
•
Press and hold the trip odometer reset button in the instrument cluster (left button), and
turn the ignition key to the first position.
•
Keep the button pressed for approximately 5 seconds until one of the following words
appear in the display: “OIL SERVICE, or “INSPECTION”, with “RESET”.
The service due is shown with “reset” if the coded minimum consumption limit has been
reached and resetting is possible. If “reset” is not shown, the minimum limit has not been
reached and resetting is not possible.
•
Press and hold the reset button again until the word “RESET” begins to flash.
4
2001 model year changes
•
While the display is flashing, press the left button briefly to reset the service interval.
After the display has shown the new interval the following will appear: “END SIA”
The system can only be reset again after 10 liters (2.5gal) of fuel have been consumed.
1
2
80
100
60
40
12
0
100
80
20
2
120 140
160
180
60
5
1/min
x1000
6
1
220
240
20
140
0
km/h
PRESS AND
HOLD LEFT
BUTTON
4
120
200
40
11
UNLEADED GASOLINE ONLY
3
50 30 20 15
7
12
MPH
TURN KEY TO POSITION 1
(KL R)
Mmiles
ESET
SIA
OILSERVICE
15000
KEEP
BUTTON
PRESSED FOR 5
SECONDS AFTER
KEY IS SWITCHED
ON.
END
SIA
Miles
E46 service interval reset
TAP BUTTON TO
RESET DISPLAY
Reset procedure for clusters with SIA IV using the Reset Mode. (possible from 9/99
for E46, MY2001 E52)
•
Ignition key must be “off”
•
Press and hold the trip odometer button in the instrument cluster (left button), and turn
the ignition key to the first position.
•
Keep the button pressed for approximately 5 seconds until one of the following words
appear in the display: “OIL SERVICE, or “INSPECTION”, with “rESET”.
•
Release the reset button and press and hold again until “rESET” begins to flash.
•
While the display is flashing, press the left button briefly to reset the service interval.
After the display has shown the new interval, the following will appear: “END SIA”
The system can only be reset again after 10 liters (2.5gal) of fuel have been consumed.
5
2001 model year changes
2001 E39 UPDATE
Model: E39 (525i/iT, 530i, 540i/iT, M5)
Production Date: From 9/00
For Model Year 2001 the E39 will receive it’s first cosmetic facelift since series launch in
1997. In addition to the visual changes, several systems have been enhanced and updated. A new model has also been added, the 525i/it, making 6 variants of the E39 possible.
6
2001 model year changes
Engines
Two M54 engine variants will be added to the E39 for the 2001 M.Y. starting production
9/00. The M54 B30 and M54 B25. The M54 B30 engine will replace the M52 B28TU of
the 528i and become the 530i. The M54 B25 engine equipped 5 Series will create a new
model, the 525i, it will become the entry level 5 series.
The design objectives for the M54 engine were:
•
•
•
Lower emissions
Maintain fuel economy
Increase power and performance.
The 540i/it will use the A5S 440Z automatic transmission with Steptronic as standard
equipment and continues to have the optional 6 speed manual. The 525i and 530i
models will use the A5S 390R (GM 5) with Steptronic as optional equipment until March of
2001 at which time the GM5 will be replaced by the A5S 325Z (5HP 19).
Please refer to the 2000 Systems Diagnosis course material ST 039 for information concerning the
M54 engine family.
HORSEPOWER
M54 B25
192@5900 rpm
M54 B30
225@6000rpm
TORQUE
245Nm@3500rpm
300Nm@3500rpm
7
2001 model year changes
Body Work
The sheet metal remains unchanged, however several touches have been made to
freshen the appearance of the 5 Series.
The front, rear and side impact strips have been painted body color. The 540i/it has a
chrome insert along the upper edge of the impact strips.
The kidney grille inserts on all models have been widened to give the car’s “face” a more
aggressive appearance.
8
2001 model year changes
Fog lights
New circular fog lights with convex plastic lenses are tucked neatly into the corners of the new
front air dam. The new lights use an H8 12V
35 W halogen bulb.
Park Distance Control
The 2001 E39 will have Front and Rear PDC available as an option. The system operates
just as the E38 and E53 with the same system. The vehicle is fitted with a PDC switch
located on the SZM. Activation is automatic with reverse gear engagement, but may be
deactivated with the switch. The switch may also be used to activate the system. Criteria
for operation remain unchanged from previous systems.
9
2001 model year changes
Head and Tail Lights
The head and tail lights of the 2001 E39 have received a new look, utilizing optical wave
guide technology. The wave guides are an innovation that are not only aesthetically
pleasing, but also enhance safety.
Head Lights
The front headlights have been completely redesigned, however they fit into the existing
body without any sheet metal changes. The high and low beam headlights are free-form
reflectors and no longer use the glass lenses. The turn signal has been given its own
circular lens next to the low beam.
10
2001 model year changes
The parking light and side marker use the optical wave guide technology. Clear rings
surround the high and low beam reflectors. The rings are illuminated by a light source
module similar to the ones used in the Visual Entry Aid system. Output voltage for the light
source module comes from the parking lamp final stage of the LCM III. There is one light
source module located at the back of the head light housing between the high and low
beam headlights. The side marker for US models also has an additional wave guide conductor for illumination.
Light source module
US version side marker reflector with wave
guide illumination.
Third generation Xenon headlights manufactured by Hella are standard equipment on V-8
powered cars and available as an option on the 6 cylinder models. All xenon equipped
vehicles also use LWR automatic headlight adjustment to maintain the vertical adjustment
of the headlights at any vehicle load. (Refer to the 1999 Model Update training for details of system operation)
11
2001 model year changes
Tail lights
The rear light housings have also been modified for 2001. No body changes were necessary.
Four wave guides illuminated by 8 LEDs
The LED illuminated tail lights provide an exciting fresh look to the part of a 5 Series most drivers on the road are familiar with.
Each tail light housing contains 4 wave guide
assemblies. At either end of the wave guides
is a printed circuit board with 4 LEDs. The
LEDs provide the illumination for the tail light
only. US models use an additional 4 LEDs in
the corner of the housing as a side marker.
On Sport Wagon models, the tail light assembly is two pieces. In this case there continue
to be only two sets of LEDs; one supplying
light for each half of the housing. US models
also have two LEDs for the side marker.
The advantage to using LEDs is the longer life
span as well as lower power consumption.
The function of the LCM III remains unchanged from the previous year with the exception
that because of the LED illuminated tail lights, there is no tail light monitoring function. The
LCM III module has been updated for the new lighting features of the 2001 E39. All
replacement LCM modules will supercede to this version in the parts system and it can be
used on earlier vehicles.
1. Turn Signal
1
2. Wave Guide Tail light
3. Side Marker
3
2
4. Brake light
4
5
5. Reversing Light
6. Rear Fog light (Not used for US)
12
2001 model year changes
Sedan left tail light housing
6
E39 IHKR
The 525i/it will be fitted with IHKR as standard
equipment. IHKA will be available as an option
on those vehicles by ordering the Convenience
package: SA 466.
IHKR is a semi-automatically regulated heating
and air-conditioning system. The components
are similar to the IHKR system used in the X5
3.0i.
The E39 IHKR is a single zone system that regulates the temperature of the cabin based
on the occupants desired temperature, selected by a temperature setting dial. Blower control, air distribution settings and stratification flap are manual.
System Components
The E39 IHKR consists of the following components:
•
IHKR control unit with operating controls
•
IHKR integrated heater and air conditioning case
•
1 Heater core temperature sensor
•
Evaporator temperature sensor
•
Interior temperature sensor (located in drivers footwell)
•
Double cage blower motor and final stage
•
•
•
•
1 Water valve (duty cycle controlled)
Auxiliary water pump
1 Fresh air/re-circ stepper motor
Auxiliary fan (DME controlled)
•
Refrigerant Pressure Sensor
•
Left and right fresh air micro-filters
13
2001 model year changes
E39 IHKR I.P.O.
K-BUS
WASHER JET HEATER
KL31
KL30
+
-
KL15
BLOWER MOTOR OUTPUT STAGE
+
FAN SPEED
M
0
A/C REQUEST
AUXILIARY WATER PUMP
RECIRCULATION
REAR DEFROST
72
45
80
M
E39
IHKR
WATER VALVE
TEMPERATURE
CONTROL
FRESH AIR/RECIRC MOTOR
TEMP
EVAPORATOR
TEMPERATURE
REAR WINDOW DEFROST RELAY
REFRIGERANT PRESSURE
KL 30
KL 15
HEATER CORE
TEMPERATURE
COMPRESSOR CONTROL
INTERIOR TEMPERATURE
(FOOTWELL)
58G
K-BUS
BMW
BMW DIS
COMPRESSOR
SHUT OFF/ON
KOREL
SIGNAL
DSC III
kjhsdfkhsdflkhsdlkfjhlkjghkg
lkdkfljdflkjdsfljdslfjldskjflkjdflk
ldsflsdfklhdsfhsdfhsdkhfkhsdf
kldjfkljdfkjdskfkjdskfjkljdfkldsfk
kjsdfkljsdfkdsfkjdsfkljsdfkjds
ldjsfklkjsdfkldsjfkdsjfkdsfkdfklk
BMW DIS
DME
LCM
14
2001 model year changes
DIS
IHKR control unit with operating controls
The IHKR control unit is incorporated into the control panel. The control panel consists of
three buttons and three rotary dials.
1. Temperature control potentiometer
2. Air distribution mechanical knob
3. Fan control potentiometer
1
2
3 cables Blue - vent flaps
Red - defrost flaps
Green - footwell flaps
X18341
3 pin
3
4
5
6
4. Recirculation
5. Air conditioning request
6. Rear window defroster
X611
12 pin
X610
26 pin
Functional Description:
•
Air distribution: is carried out using the mechanical rotary dial acting on three
bowden cables.
•
Blower adjustment: is carried out using the rotary dial potentiometer (22 steps). The
control unit signals the final stage via a variable voltage signal.
•
Temperature control: The desired interior temperature is set with the rotary dial
potentiometer on the control panel. Temperature regulation is based on the Y-factor.
The inputs used to determine the Y-factor are:
• Position of the temperature control potentiometer dial
• Heater core temperature
• Coolant temperature
• Exterior Temperature
• Interior Temperature
Control of the interior temperature is carried out by the control unit cycling the water
valve to regulate the temperature of the heater core. During heater operation the
auxiliary water pump will be switched on to increase coolant circulation through the
heater core. The service station feature is carried over to the E39 IHKR.
•
Fresh air/recirculation: Recirculation is requested by an input to the control panel
button or the MFL. The control unit actuates the fresh air/re-circ stepper motor for
control of the flap position. Ram effect air is compensated for.
•
Air conditioning:: The request for air conditioning is made by means of a push button.
15
2001 model year changes
The IHKR control module communicates with the DME via the K-Bus/KOMBI/CAN Bus
link to request permission for compressor activation. The control of the compressor
clutch is directly by the IHKA module via a final stage.
• Rear Window Defroster: The rear window defroster is controlled via a request from
the button on the panel. After switching on for the first time, the rear window is heated
for 10 minutes. Output voltage to the window is provided by the K13 rear defogger
relay. After automatic switch off, if the button is pressed once again the control unit will
provide a clocked operation alternating at 40 seconds on and 80 seconds off. If the
vehicle voltage drops below 11.4V during this second heating operation the function is
stopped, however the LED on the button will not be extinguished. If voltage increases
past 12.2V for at least one second, clocked operation will resume. Clocked operation
continues until the button is pressed again or the ignition is cycled.
•
Washer Jet Heating: The IHKR provides operating current to the washer jet heaters
based on outside temperature. The washer jets are heated below an outside
temperature of 37 F.
o
•
K-Bus Communication: The IHKR control unit is on the vehicle K-bus and receives
and sends information concerning:
• Engine temperature, RPM, KL61, KL50, compressor request, auxiliary fan request,
compressor load (DME)
• Outside temperature KL15 and road speed (KOMBI)
• Diagnosis and coding (DIS/MoDiC)
Left side of IHKR case
Defrost Flap
Blower
Ventilation Flap
Stratification flap
Heater Core
Evaporator
Outlet, Rear compartment
Outlet, rear footwell
16
2001 model year changes
IHKA IV
The IHKA system is standard equipment on 530i, 540i/it and M5 models. It is available as
an option for the 525i/it. IHKA has been redesigned for the 2001 E39, it is identified as
IHKA IV. The carry over features from the previous version are:
•
Integrated control panel/module.
•
Separate temperature control for driver and passenger.
•
Air distribution control through the use of 5 “smart” stepper motors and one fast acting
hard wired stepper motor.
•
Automatic recirculation control (AUC).
•
Recirculation control via MFL.
•
“Rest” function for residual heat when engine is not running.
•
Service station feature that closes the water valves when stopped to prevent hot coolant
flooding the heater core.
•
A/C compressor clutch activation via a final stage control.
•
Stratification flap control via a bowden cable.
70 0 F
640 F
AUTO
A
AUTO
MAX
-
+
Please refer to the Climate Control course material ST 054 for a complete functional description of
E39 IHKA
17
2001 model year changes
E39 IHKA IV I.P.O.
K-BUS
KL 30
- Coolant temp
- KL R
- Outside Air Temp - Recirc from MFL
- Vehicle speed
- Diagnosis
KL 15
70 F 76 F
LEFT
WATER
VALVE
INDEPENDENT DRIVER
& PASSENGER SIDE
TEMPERATURE CONTROL
WASHER JET HEATING
MAX DEFROST
64
11
83
91
42
A/C COMPRESSOR
0
+
AUC GAS
SENSOR
HEATER
BLOWER
RELAY
RECIRCULATION - AUC
A
RIGHT
WATER
VALVE
REAR DEFROST
DEFROST VENT
BLOWER MOTOR
OUTPUT STAGE
SIGNAL
AUTO
MAX
INTERI
OR
AUTOMATIC PROGRAM
MAX COOLING/
REST HEATING
FAN SPEED
+ REQUEST
INTERIOR AIR TEMP
AIR
PHOTO TRANSISTOR
EVAPORATOR
TEMPERATURE
HEATER CORE TEMPERATURE SENSORS
M
2-8 VOLT
FACE VENT
FOOTWELL VENT
BLOWER
KL 31
E39 IHKA IV
CONTROL
PANEL/
MODULE
FRESH AIR FLAP
STEPPER MOTOR
M-BUS
FIVE STEPPER
MOTORS
- FACE VENT FLAP
- DEFROST
- FOOTWELL
- FRESH AIR/RECIRCULATION
- RAM AIR FLAP
COMPRESSOR
CONTROL
AUXILIARY WATER PUMP
M
AUC OXIDIZABLE
GAS SENSOR
64
0
42
91
83
11
+
REAR
WINDOW
DE-FOGGER
RELAY
+
SOLAR SENSORS
K-BUS
DIS
BMW
BMW DIS
COMPRESSOR
SHUT OFF/ON
SIGNAL (KO REL)
DIAGNOSIS AND CODING
BMW DIS
DME
DSC III
kjhsdfkhsdflkhsdlkfjhlkjghkg
lkdkfljdflkjdsfljdslfjldskjflkjdflk
ldsflsdfklhdsfhsdfhsdkhfkhsdf
kldjfkljdfkjdskfkjdskfjkljdfkldsfk
kjsdfkljsdfkdsfkjdsfkljsdfkjds
ldjsfklkjsdfkldsjfkdsjfkdsfkdfklk
18
2001 model year changes
Changes made to the E39 IHKA
•
New Control Unit (since 9/00).
•
Addition of solar sensor (since 9/00).
•
New IHKA integrated heater and air conditioning case (since 3/00).
IHKA IV Control Unit
The “REST” button on the control unit has been
replaced with a “MAX” button. Two different functions
are carried out by pushing the MAX button:
•
•
Maximum cooling function
Residual heat function
Determination of which function will be enabled is
based on switching criteria.
A/C MAX function
(This feature was introduced in the E38 since 9/99)
Maximum cooling performance is automatically activated by pressing the MAX button. An
LED on the button illuminates to indicate that the function is active.
Criteria for operation:
Terminal 15 “on” , MAX button pressed and outside temperature above 60o F.
The following settings are adjusted or activated:
• Temperature control is canceled and the temperature display indicates 60o F.
• Both water valves are closed.
• The left and right Y-factors are set to -27.5%.
• The compressor is switched on (LED turns on in the A/C switch).
• The blower setting is set to maximum.
• Recirculation is activated (LED turns on in the re-circ switch).
• Air distribution is set to center vents only.
Operation of the max defrost is overridden by selecting MAX. The operation of the rear window defogger is not affected.
19
2001 model year changes
REST Function
The REST function continues to operate as usual except that the MAX button has taken the
place of the REST button. Activation criteria continues to be:
• Ignition “OFF” or in KL R.
• “MAX” button pressed.
• Outside temperature below 60o F.
• Coolant temperature above 80o C.
• Battery voltage above 11.4V.
The REST feature operates as previously.
Diagnostics
The IHKA IV diagnosis has been upgraded to the E46 style diagnostic program.
Solar Sensor
The IHKA IV integrates the solar sensor into the
calculation used to automatically regulate the
interior vehicle temperature. The sensor is
located in the right side defrost outlet.
Solar Sensor
In the case of a very sunny day, the interior
warms faster than the control unit can compensate for. Similar is true if the weather suddenly
becomes overcast.
The input of the solar sensor in the E39 can
affect the operation of:
• Blower setting
• Air distribution to center vent
Because the E39 IHKA IV is a dual zone system. the solar sensor housing contains two
photo-resistors that measure solar radiation on the left and right halves of the interior.
Two photo-resistors
inside of housing
20
2001 model year changes
(Please refer to the Solar Sensor module in the 2000
Systems Diagnosis training course ST 039 for a complete description of the solar sensor operation and
diagnosis)
IHKA integrated heater and air conditioning case
The E39 IHKA case has been redesigned since 3/00. The E39 and E53 both share the
same case design.
The difference from the previous case is that a single flap (left and right), controls both the
fresh air and recirculation inlets. Ram air is controlled by a separate flap. What makes it
possible to use a single flap for fresh air/re-circ is the semi-circular door; as one inlet is covered another is opened.
Please refer to the Climate Control course material ST 054 for a complete functional description of
ram air pressure compensation.
Right Side of IHKA IV Case
3
5
1
4
2
1.
2.
3.
4.
5.
6.
Stepper motor for footwell
Stepper motor for rear compartment, stratification
Fresh air/recirculation flap
Output stage for blower motor
Stepper motor for ram air flap
Ram air flap
6
Stepper motors for the fresh air/recirculation,
defrost and ventilation flaps are located on the
left side of the housing
Ram air and fresh air/re-circ flaps as seen from the engine side of the bulkhead
21
2001 model year changes
E39 Rear Head Protection System (HPS)
For 2001, rear head protection airbags (HPS)
will be available for sedans ordered with rear
side airbags.
The airbags are a cushion (not an ITS) that is
deployed from the C-pillar. The HPS will not be
de-activated along with the side airbags from
the factory since there is no danger to small
children sitting out of position.
A vehicle with rear HPS can be identified by
observing “HPS” embossed in the C-pillar
cover.
Rear airbags with HPS will be standard equipment on the 2001 E39 M5.
Review Questions
1. What addition was made to the 16 pin OBD connector that made diagnosis possible
with the DIS/MoDiC?
2. Describe the procedure to reset the Service Interval Indicator from the instrument
cluster.
3. How does the E39 IHKR system maintain the desired cabin temperature?
4. Was the “REST” feature deleted from the IHKA IV system?
5. What was the addition made to the rear airbag system of the 2001 E39?
22
2001 model year changes
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertising