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Home >> Infiniti >> 2020 >> QX50 Autograph, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (11 Of 12) >> DTC/Circuit Diagnosis >> DTC P34AF: Electric Intake Valve Timing Control Position Sensor >> DTC Description >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. 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.

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Maintaining engine speed at more than 2000 rpm for at least 1 seconds.
    2. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    NO

    Confirmation after repair: INSPECTION END

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