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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 123 (Hybrid Motor System (Diagnostic Trouble Codes (DTCS) P2122-P31FF And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC P31F9, P31FA: ASCD Steering Switch >> DTC Description >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.

  1. CHECK DTC PRIORITY

    If DTC P31F9 or P31FA is displayed with DTC P0A1D, first perform the confirmation procedure (trouble diagnosis) for P0A1D.

    Is applicable DTC detected?

    YES 

    Perform diagnosis of applicable. Refer to DTC INDEX .

    NO 

    GO TO STEP 2  .

  2. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

    Which type?

    Without ICC models 

    GO TO STEP 3  .

    With ICC models 

    GO TO STEP 4  .

  3. PERFORM DTC CONFIRMATION PROCEDURE

    1. Turn ignition switch ON and wait at least 10 seconds.
    2. Press MAIN switch for at least 10 seconds, then release it and wait at least 10 seconds.
    3. Press CANCEL switch for at least 10 seconds, then release it and wait at least 10 seconds.
    4. Press RESUME/ACCELERATE switch for at least 10 seconds, then release it and wait at least 10 seconds.
    5. Press SET/COAST switch for at least 10 seconds, then release it and wait at least 10 seconds.
    6. Check DTC.

    Is DTC detected?

    YES 

    Proceed to DIAGNOSIS PROCEDURE .

    NO 

    INSPECTION END

  4. PERFORM DTC CONFIRMATION PROCEDURE

    1. Turn ignition switch ON and wait at least 10 seconds.
    2. Press MAIN switch for at least 10 seconds, then release it and wait at least 10 seconds.
    3. Press CANCEL switch for at least 10 seconds, then release it and wait at least 10 seconds.
    4. Press RESUME/ACCELERATE switch for at least 10 seconds, then release it and wait at least 10 seconds.
    5. Press SET/COAST switch for at least 10 seconds, then release it and wait at least 10 seconds.
    6. Press DISTANCE switch for at least 10 seconds, then release it and wait at least 10 seconds.
    7. Press dynamic driver assistance switch for at least 10 seconds, then release it and wait at least 10 seconds.
    8. Check DTC.

    Is DTC detected?

    YES 

    Proceed to DIAGNOSIS PROCEDURE .

    NO - 1 

    To check malfunction symptom before repair: Refer to INTERMITTENT INCIDENT .

    NO - 2 

    Confirmation after repair: INSPECTION END

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