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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (4 Of 4)) >> DTC/Circuit Diagnosis >> P34C4 Electric Intake Valve Timing Control Actuator >> DTC Description >> PR25DD engine >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC PRIORITY 

    If DTC P34C4 is detected with DTC P0197 or P0198, perform the confirmation procedure (trouble diagnosis) for DTC P0197 or P0198.

    Is DTC P0197 or P0198 detected?

    YES

    Perform diagnosis of applicable.

    NO

    GO TO 2.

  2. 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 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch ON and wait at least 10 seconds.
    2. Check 1st trip DTC.

    Is 1st trip 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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