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Home >> Infiniti >> 2021 >> QX80 Luxe, AWD >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control System (DTCS) >> Abs [Abs Actuator And Electric Unit (Control Unit)] >> DTC C1118: Transfer Control Unit >> DTC Diagnosis Procedure
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DTC Diagnosis Procedure

  1. CHECK 4WD SYSTEM 

    SYMBOL With CONSULT

    Perform self-diagnosis for "ALL MODE AWD/4WD".

    Is DTC detected?

    YES

    Check the DTC. Refer to DTC Index .

    NO

    GO TO 2.

  2. PERFORM SELF-DIAGNOSIS 

    SYMBOL With CONSULT

    1. Erase self-diagnosis result for "ABS".
    2. Turn the ignition switch OFF, and wait 10 seconds or more.
    3. Start the engine and drive the vehicle for a short period of time.
      NOTE: Vehicle must be driven after repair or replacement to erase the previous DTCs.
    4. Stop the vehicle.
    5. Perform self-diagnosis for "ABS".

    Is DTC "C1118" detected?

    YES

    Replace the ABS actuator and electric unit (control unit). Refer to ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) : Removal & Installation .

    NO

    Check terminals and connection of each harness connector for abnormal conditions. Repair / replace harness, connector, or terminal.