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Diagnostic Procedure

  1. CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) 

    Perform self-diagnosis with ABS actuator and electric unit (control unit). Refer to "SELF-DIAGNOSIS ".

    Is any malfunction detected by self-diagnosis? 

    Yes: Check the malfunctioning system.

    NO: GO TO 2.

  2. CHECK DTC AFTER DRIVING 
    1. Turn ignition switch "OFF".
    2. Start engine and drive vehicle at 30 km/h (19 MPH) for at least 1 minute.
    3. Make sure that ABS warning lamp turns OFF.
    4. Perform erase self-diagnosis results. Refer to "HOW TO ERASE SELF-DIAGNOSTIC RESULTS ".
    5. Stop vehicle and turn ignition switch "OFF".
    6. Turn ignition switch "ON".
    7. Perform self-diagnosis.

    Is the "ABS SYSTEM [C1203]" displayed? 

    YES: GO TO 3.

    No: INSPECTION END 

  3. CHECK AWD CONTROL UNIT 

    Check AWD control unit input/output signal. Refer to "AWD CONTROL UNIT INPUT/OUTPUT SIGNAL REFERENCE VALUES ".

    OK or NG 

    OK: GO TO 4.

    NG: Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.

  4. CHECK DTC 

    Perform the self-diagnosis, after driving a vehicle for a while.

    OK or NG 

    OK: INSPECTION END 

    NG: Perform self-diagnosis with ABS actuator and electric unit (control unit) again. Refer to "SELF-DIAGNOSIS ".