Nissan 350Z Workshop Manual 2003 (9) PDF | Page 39

TROUBLE DIAGNOSIS
BRC-39
[ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
2. FRONT AND REAR AXLE INSPECTION
Make sure there is no excessive play in the front and rear axles.
OK or NG
OK >> GO TO 3.
NG >> Repair.
3. WHEEL SENSOR INSPECTION
Wheel Sensor Inspection
? Sensor mount and damage inspection
? Sensor rotor mount and damage inspection
? Sensor connector connection inspection
? Sensor harness inspection
OK or NG
OK >> GO TO 4.
NG >> Sensor or sensor rotor replacement
4. ABS WARNING LAMP DISPLAY CHECK
Make sure the warning lamp turns off approximately 1 second after the ignition switch is turned on or when
driving.
OK or NG
OK >> Normal
NG >> Perform self-diagnosis. Refer to BRC-23, "
SELF-DIAGNOSIS" .
Symptom 2 Unexpected Pedal Reaction AFS0011N
1. BRAKE PEDAL STROKE INSPECTION
Check brake pedal stroke.
Is the stroke too big?
YES >> ? Bleed air from the brake piping.
? Check the 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. PERFORMANCE CHECK
Disconnect the ABS actuator and electric unit connector E51, and make sure the braking force is sufficient
when the ABS is not operating. After the inspection, reconnect the connector.
OK or NG
OK >> GO TO 3.WHEEL SENSOR INSPECTION in BRC-38, "Symptom 1 Excessive ABS Function
Operation Frequency" .
NG >> Check brake system.
Symptom 3 The Braking Distance Is Long AFS0011O
CAUTION:
On slippery road surfaces, the stopping distance might be longer with the ABS operating than when
the ABS is not operating.

Summary of Content

TROUBLE DIAGNOSISBRC-39[ABS]CDEGHIJKLMABBRC2. FRONT AND REAR AXLE INSPECTIONMake sure there is no excessive play in the front and rear axles.OK or NGOK GO TO 3.NG Repair.3. WHEEL SENSOR INSPECTIONWheel Sensor Inspection Sensor mount and damage inspection Sensor rotor mount and damage inspection Sensor connector connection inspection Sensor harness inspectionOK or NGOK GO TO 4.NG Sensor or sensor rotor replacement4. ABS WARNING LAMP DISPLAY CHECKMake sure the warning lamp turns off approximately 1 second after the ignition switch is turned on or whendriving.OK or NGOK NormalNG Perform self-diagnosis. Refer to BRC-23, "SELF-DIAGNOSIS" .Symptom 2 Unexpected Pedal Reaction AFS0011N1. BRAKE PEDAL STROKE INSPECTIONCheck brake pedal stroke.Is the stroke too big?YES Bleed air from the brake piping. Check the brake pedal, brake booster, and master cylinder mount for play, looseness, andbrake system for fluid leaks, etc. If any malfunctions are found, make repairs.NO GO TO 2.2. PERFORMANCE CHECKDisconnect the ABS actuator and electric unit connector E51, and make sure the braking force is sufficientwhen the ABS is not operating. After the inspection, reconnect the connector.OK or NGOK GO TO 3.WHEEL SENSOR INSPECTION in BRC-38, "Symptom 1 Excessive ABS FunctionOperation Frequency" .NG Check brake system.Symptom 3 The Braking Distance Is Long AFS0011OCAUTION:On slippery road surfaces, the stopping distance might be longer with the ABS operating than whenthe ABS is not operating.