Nissan 350Z Workshop Maunual 2006 (9) PDF | Page 34

BRC-34
[ABS]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2005 August 2006 350Z
TROUBLE DIAGNOSIS FOR SYMPTOMS PFP:00007
Excessive ABS Function Operation Frequency NFS0002E
1. CHECK START
Check brake force distribution.
OK or NG
OK >> GO TO 2.
NG >> Check brake system.
2. CHECK FRONT AND REAR AXLE
Make sure there is no excessive play in the front and rear axles.
OK or NG
OK >> GO TO 3.
NG >> Repair.
3. CHECK WHEEL SENSOR
Wheel Sensor Inspection
? Wheel sensor mount and damage inspection
? Sensor rotor mount and damage inspection
? Wheel sensor connector connection inspection
? Wheel sensor harness inspection
OK or NG
OK >> GO TO 4.
NG >>
? Replace wheel sensor or sensor rotor.
? Repair harness.
4. CHECK ABS WARNING LAMP DISPLAY
Make sure warning lamp turns off approximately 1 second after the ignition switch is turned on or when driv-
ing.
OK or NG
OK >> Normal
NG >> Perform self-diagnosis. Refer to BRC-20, "
DESCRIPTION" .
Unexpected Pedal Reaction NFS0002F
1. CHECK BRAKE PEDAL STROKE
Check brake pedal stroke.
Is the stroke too big?
YES >> ? Bleed air from the brake piping.
? Check brake pedal, brake booster, and master cylinder mount for play, looseness, and brake
system for fluid leaks, etc. If any malfunctions are found, make repairs.
NO >> GO TO 2.
2. CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector, and make sure the braking force is suffi-
cient when the ABS is not operating. After the inspection, reconnect the connector.
OK or NG
OK >> GO TO 3. CHECK WHEEL SENSOR in BRC-34, "Excessive ABS Function Operation Frequency"
.
NG >> Check brake system.