LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 6) >> Engine (ECM) >> P0506 ISC System >> DTC Diagnosis Procedure >> VR30DDTT engine

VR30DDTT engine

  1. CHECK DTC PRIORITY 

    If DTC P0506 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. CHECK INTAKE AIR LEAK 
    1. Start engine and let it idle.
    2. Listen for an intake air leak after the mass air flow sensor.

    Is intake air leak detected?

    YES

    Discover air leak location and repair.

    NO

    GO TO 3.

  3. REPLACE ECM 
    1. Stop the engine.
    2. Replace ECM. Refer to ECM : Removal & Installation .
    3. Refer to Work Procedure .

    INSPECTION END

scientia non olet · About LEMON Manuals