Nissan Sentra. Manual — part 178
EXCESSIVE ABS FUNCTION OPERATION FREQUENCY
BRC-99
< SYMPTOM DIAGNOSIS >
[VDC/TCS/ABS]
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EXCESSIVE ABS FUNCTION OPERATION FREQUENCY
Diagnosis Procedure
INFOID:0000000009757892
1.
CHECK START
Check front and rear brake force distribution using a brake tester.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Check brake system.
2.
CHECK FRONT AND REAR AXLE
Make sure that there is no excessive play in the front and rear axles. Refer to front:
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace malfunctioning components.
3.
CHECK WHEEL SENSOR AND SENSOR ROTOR
Check the following:
• Wheel sensor installation for damage
• Sensor rotor installation for damage
• Wheel sensor connector
• Wheel sensor harness
Is the inspection result normal?
YES
>> GO TO 4
NO
>> • Replace wheel sensor
BRC-106, "FRONT WHEEL SENSOR : Removal and Installation"
BRC-107, "REAR WHEEL SENSOR : Removal and Installation"
BRC-109, "FRONT SENSOR ROTOR : Removal and Installation"
109, "REAR SENSOR ROTOR : Removal and Installation"
• Repair harness.
4.
CHECK ABS WARNING LAMP DISPLAY
Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Perform self diagnostic result. Refer to
BRC-100
< SYMPTOM DIAGNOSIS >
[VDC/TCS/ABS]
UNEXPECTED PEDAL REACTION
UNEXPECTED PEDAL REACTION
Diagnosis Procedure
INFOID:0000000009757893
1.
CHECK BRAKE PEDAL STROKE
Check brake pedal stroke. Refer to
.
Is the stroke too big?
YES
>> • Bleed air from brake line and hose. Refer to
BR-17, "Bleeding Brake System"
• Check brake pedal, brake booster, and master cylinder for mount play, looseness, brake system
fluid leakage, etc. Refer to brake pedal:
or brake booster assembly
NO
>> GO TO 2
2.
CHECK ABS FUNCTION
1. Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS.
2. Check if braking force is normal in this condition.
3. Reconnect connector after inspection.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Check brake system.
THE BRAKING DISTANCE IS LONG
BRC-101
< SYMPTOM DIAGNOSIS >
[VDC/TCS/ABS]
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THE BRAKING DISTANCE IS LONG
Diagnosis Procedure
INFOID:0000000009757894
CAUTION:
The stopping distance on slippery road surfaces might be longer with the ABS operating than when
the ABS is not operating.
1.
CHECK ABS FUNCTION
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS.
3. Check stopping distance.
4. After inspection, reconnect connector.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Check brake system.
BRC-102
< SYMPTOM DIAGNOSIS >
[VDC/TCS/ABS]
ABS FUNCTION DOES NOT OPERATE
ABS FUNCTION DOES NOT OPERATE
Diagnosis Procedure
INFOID:0000000009757895
CAUTION:
ABS does not operate when speed is 10 km/h (6 MPH) or lower.
1.
CHECK ABS WARNING LAMP DISPLAY
Make sure that the ABS warning lamp turns OFF after ignition switch is turned ON or when driving.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Perform self diagnostic result. Refer to
BRC-31, "CONSULT Function (ABS)"
.
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