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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Transfer Case (DTC/Circuit Diagnosis) (Except Hybrid)) >> DTC/Circuit Diagnosis >> DTC C1210: ECM >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  1. PERFORM ECM SELF-DIAGNOSIS 

    SYMBOL With CONSULT

    Perform self-diagnosis for "ENGINE".

    Is any DTC detected?

    YES

    Check the DTC.

    NO

    GO TO 2.

  2. ERASE SELF-DIAGNOSTIC RESULT 

    SYMBOL With CONSULT

    1. Erase self-diagnostic results for "ALL MODE AWD/4WD".
    2. Turn the ignition switch OFF.
    3. Start the engine. Drive the vehicle for a while.
    4. Check that malfunction indicator lamp (MIL) turns OFF.

    Does malfunction indicator lamp (MIL) turn OFF?

    YES

    GO TO 3.

    NO

    Perform trouble diagnosis for malfunction indicator lamp (MIL) system. Refer to Malfunction Indicator Lamp (MIL) (VQ37VHR), Malfunction Indicator Lamp (MIL) (VK56VD).

  3. CHECK TERMINALS AND HARNESS CONNECTORS 

    Check AWD Control Unit pin terminals for damage or loose connection with harness connector.

    Is inspection result normal?

    YES

    After turning the ignition switch OFF, perform DTC confirmation procedure again. When DTC "C1210" is detected, Replace AWD Control Unit. Refer to Removal and Installation .

    NO

    Repair or replace error-detected parts.

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