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 ...

Other materials:

P1212 TCS Communication line
Description This CAN communication line is used to control the smooth engine operation during the TCS operation. Pulse signals are exchanged between ECM and вЂњABS actuator and electric unit (control unit)вЂќ. Be sure to erase the malfunction information such as DTC not only for вЂ� ...

Removal and installation
Av control unit Exploded view Av control unit Av control unit bracket (lh) Av control unit bracket (rh) Removal and installation Removal Caution: Remove battery terminal and av control unit after a lapse of 30 seconds or more after turning the ignition switch off. Befor ...

Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The supplemental restraint system such as вЂњair bagвЂќ and вЂњseat belt pre-tensionerвЂќ, used along with a front seat belt, helps to reduce the risk or severity of injur ...