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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 995 (Brake Control System (VDC/TCS/Abs)) >> Symptom Diagnosis >> Vehicle Jerks During VDC/TCS/Abs Control >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. SYMPTOM CHECK

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

    Is the inspection result normal? 

    YES: Normal.

    NO: GO TO 2

  2. CHECK SELF-DIAGNOSIS RESULTS

    Perform self-diagnostic of ABS actuator and electric unit (control unit).

    Are self-diagnosis results indicated? 

    YES: Check corresponding items, make repairs, and perform ABS actuator and electric unit (control unit) self-diagnosis.

    NO: GO TO 3

  3. CHECK CONNECTOR
    • Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector and check terminal for deformation, disconnection, looseness, etc.
    • Securely connect connector and perform ABS actuator and electric unit (control unit) self-diagnosis.

    Are self-diagnosis 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 A/T SELF-DIAGNOSIS RESULTS

    Perform ECM and CVT self-diagnosis.

    Are self-diagnosis results indicated? 

    YES: Check the corresponding items.

    NO: Replace ABS actuator and electric unit (control unit). Refer to "REMOVAL AND INSTALLATION ".