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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Engine Control System (DTC/Circuit Diagnosis) (3 Of 5)) >> DTC/Circuit Diagnosis >> DTC P0443: EVAP Canister Purge Volume Control Solenoid Valve >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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:

    • Perform "DTC CONFIRMATION PROCEDURE" when the fuel level is between 1/4 and 3/4 full, and vehicle is placed on flat level surface.
    • Always perform test at a temperature of 5 to 60°C (41 to 140°F).
    • Cool the vehicle so that engine coolant temperature becomes same level as ambient temperature.

    Do you have CONSULT

    YES

    GO TO 2.

    NO

    GO TO 4.

  2. PERFORM DTC CONFIRMATION PROCEDURE 1 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Check that the following condition are met.

      FUEL T/TMP SE: 0 - 35°C (32 - 95°F)

    3. Start engine and wait at least 60 seconds.
    4. Check 1st trip DTC.

    IS 1st trip DTC detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE 2 

    SYMBOL With CONSULT

    1. Start engine and warm it up to normal operating temperature.
    2. Turn ignition switch OFF and wait at least 10 seconds.
    3. Turn ignition switch ON.
    4. Turn ignition switch OFF and wait at least 10 seconds.
    5. Turn ignition switch ON.
    6. Select "PURG VOL CN/V P1444" of "EVAPORATIVE SYSTEM" in "DTC WORK SUPPORT" mode with CONSULT.
    7. Touch "START".
    8. Start engine and let it idle until "TESTING" on CONSULT changes to "COMPLETED". (It will take approximately 10 seconds.)

      If "TESTING" is not displayed after 5 minutes, retry from step 2.

    9. Touch "SELF-DIAG RESULTS".

    Which is displayed on CONSULT screen?

    YES

    INSPECTION END

    NO

    Proceed to Diagnosis Procedure .

  4. PERFORM DTC CONFIRMATION PROCEDURE 1 

    SYMBOL With GST

    1. Turn ignition switch ON.
    2. Set voltmeter probes to ECM harness connector terminals.

      ECM

      Voltage (V)

      Connector

      +

      -

      Terminal

      E10

      128

      148

      3.1 - 4.0
    3. Start engine and wait at least 60 seconds.
    4. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

    GO TO 5.

  5. PERFORM DTC CONFIRMATION PROCEDURE 2 

    SYMBOL With GST

    1. Start engine and warm it up to normal operating temperature.
    2. Turn ignition switch OFF and wait at least 10 seconds.
    3. Turn ignition switch ON.
    4. Turn ignition switch OFF and wait at least 10 seconds.
    5. Start engine and let it idle for at least 20 seconds.
    6. Check 1st trip DTC.

    Is 1st trip DTC displayed?

    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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