Nissan 350Z Workshop Maunual 2005 (9) PDF | Page 38

BRC-38
[ABS]
TROUBLE DIAGNOSIS
Revision: 2005 August 2005 350Z
Symptom 3 The Braking Distance is Long AFS0029I
CAUTION:
On slippery road surfaces, the stopping distance might be longer with the ABS operating than when
the ABS is not operating.
1. PERFORMANCE CHECK
Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS. In this condition, check
stopping distance. After inspection, connect connector.
OK or NG
OK >> ? Bleed air from the brake piping.
? Check brake system.
NG >> GO TO 3.WHEEL SENSOR INSPECTION in BRC-37, "
Symptom 1 Excessive ABS Function
Operation Frequency" .
Symptom 4 The ABS Function Does Not Operate AFS0029J
CAUTION:
The ABS does not operate when the speed is 10 km/h (6 MPH) or less.
1. 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 >> GO TO 3.WHEEL SENSOR INSPECTION in BRC-37, "Symptom 1 Excessive ABS Function
Operation Frequency" .
NG >> Perform self-diagnosis. Refer to BRC-22, "
SELF-DIAGNOSIS" .
Symptom 5 Pedal Vibration or ABS Operation Sound Occurs AFS0029K
CAUTION:
Under the following conditions, when brake pedal is lightly depressed (just place a foot on it), ABS is
activated and vibration is felt. However, this is normal.
? When shifting gears
? When driving on slippery road
? During cornering at high speed
? When passing over bumps or grooves [50 mm (1.97 in) or more]
? When pulling away just after starting engine [at approximately 10 km/h (6 MPH) or higher]
1. SYMPTOM CHECK 1
Check if pedal vibration or operation sound occurs when the engine is started.
OK or NG
OK >> GO TO 2.
NG >> Perform self-diagnosis. Refer to BRC-22, "
SELF-DIAGNOSIS" .
2. SYMPTOM CHECK 2
Check the symptom when electrical component (headlamps, etc.) Switches are operated.
Does the symptom occur when the electrical component (head lamp, etc.) Switches are operated?
YES >> Check if there is a radio, antenna, antenna lead wire, or wiring close to the control unit (or its wir-
ing), and if there is, move it farther away.
NO >> GO TO 3.WHEEL SENSOR INSPECTION in BRC-37, "
Symptom 1 Excessive ABS Function
Operation Frequency"

Summary of Content

BRC-38[ABS]TROUBLE DIAGNOSISRevision: 2005 August 2005 350ZSymptom 3 The Braking Distance is Long AFS0029ICAUTION:On slippery road surfaces, the stopping distance might be longer with the ABS operating than whenthe ABS is not operating.1. PERFORMANCE CHECKDisconnect ABS actuator and electric unit (control unit) connector to deactivate ABS. In this condition, checkstopping distance. After inspection, connect connector.OK or NGOK Bleed air from the brake piping. Check brake system.NG GO TO 3.WHEEL SENSOR INSPECTION in BRC-37, "Symptom 1 Excessive ABS FunctionOperation Frequency" .Symptom 4 The ABS Function Does Not Operate AFS0029JCAUTION:The ABS does not operate when the speed is 10 km/h (6 MPH) or less.1. 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 GO TO 3.WHEEL SENSOR INSPECTION in BRC-37, "Symptom 1 Excessive ABS FunctionOperation Frequency" .NG Perform self-diagnosis. Refer to BRC-22, "SELF-DIAGNOSIS" .Symptom 5 Pedal Vibration or ABS Operation Sound Occurs AFS0029KCAUTION:Under the following conditions, when brake pedal is lightly depressed (just place a foot on it), ABS isactivated and vibration is felt. However, this is normal. When shifting gears When driving on slippery road During cornering at high speed When passing over bumps or grooves [50 mm (1.97 in) or more] When pulling away just after starting engine [at approximately 10 km/h (6 MPH) or higher]1. SYMPTOM CHECK 1Check if pedal vibration or operation sound occurs when the engine is started.OK or NGOK GO TO 2.NG Perform self-diagnosis. Refer to BRC-22, "SELF-DIAGNOSIS" .2. SYMPTOM CHECK 2Check the symptom when electrical component (headlamps, etc.) Switches are operated.Does the symptom occur when the electrical component (head lamp, etc.) Switches are operated?YES Check if there is a radio, antenna, antenna lead wire, or wiring close to the control unit (or its wir-ing), and if there is, move it farther away.NO GO TO 3.WHEEL SENSOR INSPECTION in BRC-37, "Symptom 1 Excessive ABS FunctionOperation Frequency"