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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Brake Control System (Without ICC) (Except Hybrid)) >> Symptom Diagnosis >> Vehicle Jerks During VDC/TCS/Abs Control >> Diagnosis Procedure >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK SYMPTOM

    Check that the vehicle jerks when VDC function, TCS function, ABS function, EBD function, hill start assist function or Brake force distribution function operates.

    Is the inspection result normal?

    YES 

    Inspection End.

    NO 

    GO TO STEP 2  .

  2. PERFORM THE SELF-DIAGNOSIS

    G-20 With CONSULT

    Perform self-diagnosis result. Refer to CONSULT FUNCTION .

    Is any DTC detected?

    YES 

    Check the DTC. Refer to DTC INDEX .

    NO 

    GO TO STEP 3  .

  3. CHECK CONNECTOR

    G-20 With CONSULT

    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.
    4. Connect harness connector and perform self-diagnosis result. Refer to CONSULT FUNCTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace connector terminal.

  4. CHECK ECM AND TCM SELF-DIAGNOSIS RESULTS

    G-20 With CONSULT

    Perform self-diagnosis result for "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 .