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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (6 Of 6) >> Engine (ECM) >> U1000 Can Comm Circuit >> Confirmation Procedure >> VR30DDTT engine

VR30DDTT engine

  1. CHECK DTC PRIORITY 

    If DTC U1000 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to Confirmation Procedure .

    NO

    GO TO 2.

  2. PRECONDITIONING 

    TESTING CONDITION:

    Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch ON and wait at least 3 seconds.
    2. 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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