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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (5 Of 6) >> Engine (ECM) >> P1564 ASCD Steering Switch >> Confirmation Procedure >> VR30DDTT engine

VR30DDTT engine

  1. CHECK DTC PRIORITY 

    If DTC P1564 is displayed with DTC P0605, first perform the confirmation procedure (trouble diagnosis) for DTC P0605.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable DTC. Refer to DTC Description .

    NO

    GO TO 2.

  2. PRECONDITIONING 

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    GO TO 3.

  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

    Refer to DTC Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Inspection .

    NO

    Confirmation after repair: INSPECTION END

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