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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Control System (DTC/Circuit Diagnosis) (5.6L) (4 Of 6)) >> DTC/Circuit Diagnosis >> DTC P100A: VVEL System >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC PRIORITY 
    • If DTC P100A or P100B is displayed with DTC P1090 or P1093 first perform the trouble diagnosis for DTC P1090 or P1093.
    • If DTC P100A or P100B is displayed with DTC P0101, first perform the trouble diagnosis for DTC P0101.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Index .

    NO

    GO TO 2.

  2. PRECONDITIONING 

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    TESTING CONDITION:

    Before performing the following procedure, confirm that battery voltage is 10 V or more at idle.

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Start engine.
    2. Depress the accelerator pedal rapidly half or more under no load conditions, and then release it.
    3. Wait at idle for 5 seconds or more.
    4. Repeat steps 2 to 3 for three times.
    5. Check 1st trip DTC.

    Is DTC detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

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

    NO

    Confirmation after repair: INSPECTION END