Nissan Sentra Service Manual: Excessive abs function operation frequency

Nissan Sentra Service Manual / Brakes / Brake control system / Symptom diagnosis / Excessive abs function operation frequency

Diagnosis Procedure

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: FAX-6, "Inspection", rear: RAX-5, "Inspection".

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 >> вЂў Replace wheel sensor BRC-106, "FRONT WHEEL SENSOR : Removal and Installation" or BRC-107, "REAR WHEEL SENSOR : Removal and Installation".

вЂў Replace sensor rotor BRC-109, "FRONT SENSOR ROTOR : Removal and Installation" or BRC- 109, "REAR SENSOR ROTOR : Removal and Installation".

вЂў 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-31, "CONSULT Function (ABS)".

VDC/TCS/ABS

Symptom Table If ABS warning lamp and SLIP indicator lamp turn ON, perform self-diagnosis. NOTE: 1: The ABS does not operate when the speed is 10 km/h (6 MPH) or less. 2: Under ...

Unexpected pedal reaction

Diagnosis Procedure 1.CHECK BRAKE PEDAL STROKE Check brake pedal stroke. Refer to BR-15, "Adjustment". Is the stroke too big? YES >> Bleed air from brake line and hose. Re ...

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