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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Brake Control System (W/ Intelligent Cruise Control) (2 Of 2)) >> Symptom Diagnosis >> Vehicle Jerks During >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

The vehicle jerks when VDC function, TCS function, ABS function, EBD function or brake assist function operates.

  1. CHECK SYMPTOM 

    Check that the vehicle jerks when VDC function, TCS function, ABS function, EBD function, brake assist function operates.

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    GO TO 2 .

  2. PERFORM THE SELF DIAGNOSTIC RESULT 

    SYMBOL CONSULT

    1. Turn the ignition switch OFF → ON.
      CAUTION:
      • Be sure to wait 10 seconds after turning ignition switch OFF or ON.
      • Start the engine.
    2. Repeat step 1 two or more times.
    3. Select "Self Diagnostic Result" mode of "ABS".

    Is any DTC detected?

    YES

    Check the DTC. Refer to DTC Index .

    NO

    GO TO 3 .

  3. CHECK CONNECTOR 
    1. Turn the ignition switch OFF.
    2. Disconnect ABS actuator and electric unit (control unit) harness connector.
    3. Check connector terminal for deformation, disconnection and looseness.

    Is the inspection result normal?

    YES

    GO TO 4 .

    NO

    Poor connection of connector terminal. Repair or replace connector terminal.

  4. PERFORM THE SELF DIAGNOSTIC RESULT 

    SYMBOL CONSULT

    1. Connect ABS actuator and electric unit (control unit) harness connector.
    2. Turn the ignition switch OFF → ON.
      CAUTION:
      • Be sure to wait 10 seconds after turning ignition switch OFF or ON.
      • Start the engine.
    3. Repeat step 2 two or more times.
    4. Select "Self Diagnostic Result" mode of "ABS".

    Is any DTC detected?

    YES

    Check the DTC. Refer to DTC Index .

    NO

    GO TO 5 .

  5. PERFORM THE SELF DIAGNOSTIC RESULT 

    SYMBOL CONSULT

    Select "Self Diagnostic Result" mode of "ENGINE" and "TRANSMISSION".

    Is any DTC detected?

    YES

    Check the DTC.

    NO

    Replace ABS actuator and electric unit (control unit). Refer to Removal and Installation .