ITEMS. Nissan 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

EFS002XB

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.

E

BRC

G

H

I

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

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 teeth damage.

OK or NG

OK

NG

>> GO TO 6.

>> Replace sensor rotor. Refer to

BRC-140, "Removal and Installation"

.

M

BRC-121