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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) >> P2B95 Cold Start Control >> DTC Diagnosis Procedure >> VR30DDTT engine

VR30DDTT engine

  1. CHECK DTC PRIORITY 

    If DTC P2B95 is displayed with other DTC, first perform the confirmation procedure (trouble diagnosis) for other DTC.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Index .

    NO

    GO TO 2.

  2. INSPECTION START 
    1. Turn ignition switch ON.
    2. Erase DTC.
    3. Perform DTC confirmation procedure. Refer to Confirmation Procedure .
    4. Check 1st trip DTC.

    Is the DTC P2B95 displayed again?

    YES

    Replace ECM. Refer to ECM : Removal & Installation .

    NO

    INSPECTION END

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