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Diagnostic Procedure

  1. Inspection Start 

    ABS actuator and electric unit (control unit) power supply and ground circuit inspection

    Fig 1: Inspecting ABS Actuator & Electric Unit Power Supply
    G00793201Courtesy of NISSAN MOTOR CO., U.S.A.

    GO TO 2.

  2. Check Connector 
    1. Disconnect ABS actuator and electric unit (control unit) connector E162.

      Check terminals for damage or loose connections. Then reconnect connectors.

    2. Carry out self-diagnosis again.

    Does warning lamp activate again? 

    Yes: GO TO 3.

    No: Inspection End 

  3. Check ABS Actuator And Electric Unit (Control Unit) Power Supply Circuit 

    Check voltage. Refer to LOW VOLTAGE  .

    Does battery voltage exist when ignition switch is turned ON? 

    Yes: GO TO 4.

    No: Repair.

  4. Check Warning Lamp Indication 

    Check "SELF DIAGNOSIS RESULTS", if "CONTROLLER FAILURE" is indicated on the screen.

    Yes: Replace ABS actuator and electric unit (control unit).

    No: Inspect the system according to the code No.