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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 351 (Engine Control System (DTC/Circuit Diagnosis) (16 Of 17)) >> DTC/Circuit Diagnosis >> DTC P34C5: Electric Intake Valve Timing Control Actuator >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM DTC CONFIRMATION PROCEDURE? 
    1. Turn ignition switch ON.
    2. Erase DTC.
    3. Perform DTC confirmation procedure. Refer to DTC Confirmation Procedure .

    Is the DTC P34C5 displayed again?

    YES

    Replace electric IVT control module. Refer to Removal and Installation .

    NO

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE 2 

    Start the engine and let it idle.

    Is the DTC P34C5 displayed again?

    YES

    GO TO 5.

    NO

    GO TO 3.

  3. PERFORM COMPONENT FUNCTION CHECK 

    Perform "INT V/T ASSIGN ANGLE" in "WORK SUPPORT" mode with CONSULT.

    Is electric intake valve timing (IVT) control actuator activate?

    YES

    GO TO 4.

    NO

    Refer to Diagnosis Procedure .

    NO

    Refer to Diagnosis Procedure .

  4. CHECK INTERMITTENT INCIDENT 

    Check intermittent incident. Refer to Intermittent Incident .

    Is the inspection result normal?

    YES

    Repair or replace error-detected parts.

    NO

    INSPECTION END

  5. CHECK INTAKE VALVE TIMING POSITION BY MEANS OF ACTUAL VALUE 1 
    1. Start the engine.
    2. Let engine idle for 1 minutes.
    3. On CONSULT screen, select "ENGINE" >> "Data Monitor".
    4. Check indication value of the "INT/V TIM (B1)" and "INT/V TIM (B2)"

    Is the value between "-5 deg. and 5 deg. CA" displayed on CONSULT screen?

    YES

    Replace electric IVT control module. Refer to Removal and Installation .

    NO

    Refer to Diagnosis Procedure .

    NO

    Refer to Diagnosis Procedure .