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Nissan Sentra Service Manual: Vehicle jerks during vdc/tcs/abs control

Nissan Sentra Service Manual / Brakes / Brake control system / Symptom diagnosis / Vehicle jerks during vdc/tcs/abs control

Diagnosis Procedure

1.SYMPTOM CHECK

Check if the vehicle jerks during VDC/TCS/ABS control.

Is the inspection result normal? YES >> Inspection End.

NO >> GO TO 2

2.CHECK SELF DIAGNOSTIC RESULT

Perform self diagnostic result of ABS actuator and electric unit (control unit). Refer to BRC-31, "CONSULT Function (ABS)".

Are self diagnostic results indicated? YES >> Check corresponding items, make repairs, and perform ABS actuator and electric unit (control unit) self diagnostic result again. Refer to BRC-31, "CONSULT Function (ABS)".

NO >> GO TO 3

3.CHECK CONNECTOR

  1. Turn ignition switch OFF.

  2. Disconnect ABS actuator and electric unit (control unit) connector.

  3. Check terminals for deformation, disconnection, looseness, etc.

  4. Securely reconnect connector and perform ABS actuator and electric unit (control unit) self diagnostic result. Refer to BRC-31, "CONSULT Function (ABS)".

Are self diagnostic results indicated? YES >> If poor contact, damage, open or short circuit of connector terminal is found, repair or replace.

NO >> GO TO 4

4.CHECK ECM AND TCM SELF DIAGNOSTIC RESULT

  1. Perform ECM self diagnostic result. Refer to EC-66, "CONSULT Function".

  2. Perform TCM self diagnostic result. Refer to TM-108, "CONSULT Function".

Are self diagnostic results indicated? YES >> Check the corresponding items.

NO >> Replace ABS actuator and electric unit (control unit). Refer to BRC-110, "Removal and Installation".

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Normal operating condition
Description Symptom Result Slight vibrations are felt on the brake pedal and operation noises occur when VDC, TCS or ABS is activated. This is a normal condition due to t ...

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