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Home >> Infiniti >> 2011 >> G37 IPL, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 66 (Transfer Case -- G37 Coupe) >> DTC/Circuit Diagnosis >> DTC C1203: Abs Actuator And Electric Unit (Control Unit) >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  1. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS

    With CONSULT-III 

    Perform self-diagnosis for "ABS".

    Is any DTC detected? 

    YES: Check the DTC.

    NO: Go to 2.

  2. PERFORM SELF-DIAGNOSIS

    With CONSULT-III 

    1. Erase self-diagnostic results for "ALL MODE AWD/4WD".
    2. Start the engine and drive vehicle at 30 km/h (19 MPH) or more for approximately 1 minute.
    3. Make sure that ABS warning lamp turns OFF.
    4. Perform self-diagnosis for "ALL MODE AWD/4WD".

    Is DTC "C1203" detected? 

    YES: Replace AWD control unit. Refer to "EXPLODED VIEW ".

    NO: Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace error-detected parts.

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