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.

Nissan 350Z Workshop Maunual 2006 (9) Summary of Content

BRC-34[ABS]TROUBLE DIAGNOSIS FOR SYMPTOMSRevision: 2005 August 2006 350ZTROUBLE DIAGNOSIS FOR SYMPTOMS PFP:00007Excessive ABS Function Operation Frequency NFS0002E1. CHECK STARTCheck brake force distribution.OK or NGOK GO TO 2.NG Check brake system.2. CHECK FRONT AND REAR AXLEMake sure there is no excessive play in the front and rear axles.OK or NGOK GO TO 3.NG Repair.3. CHECK WHEEL SENSORWheel Sensor Inspection Wheel sensor mount and damage inspection Sensor rotor mount and damage inspection Wheel sensor connector connection inspection Wheel sensor harness inspectionOK or NGOK GO TO 4.NG Replace wheel sensor or sensor rotor. Repair harness.4. CHECK ABS WARNING LAMP DISPLAYMake sure warning lamp turns off approximately 1 second after the ignition switch is turned on or when driv-ing.OK or NGOK NormalNG Perform self-diagnosis. Refer to BRC-20, "DESCRIPTION" .Unexpected Pedal Reaction NFS0002F1. CHECK BRAKE PEDAL STROKECheck 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 brakesystem for fluid leaks, etc. If any malfunctions are found, make repairs.NO GO TO 2.2. CHECK FUNCTIONDisconnect 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 NGOK GO TO 3. CHECK WHEEL SENSOR in BRC-34, "Excessive ABS Function Operation Frequency".NG Check brake system.