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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 501 (Engine Control System (DTC/Circuit Diagnosis) (2 Of 3)) >> DTC/Circuit Diagnosis >> DTC P0441: EVAP Control System >> Component Function Check

Component Function Check

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM COMPONENT FUNCTION CHECK 

    SYMBOL Without CONSULT

    1. Lift up drive wheels.
    2. Start engine (VDC switch OFF) and warm it up to normal operating temperature.
    3. Turn ignition switch OFF and wait at least 10 seconds.
    4. Turn ignition switch ON.
    5. Turn ignition switch OFF and wait at least 10 seconds.
    6. Start engine and wait at least 70 seconds.
    7. Set voltmeter probes to ECM harness connector terminals as per the following.

      ECM

      Connector

      +

      -

      Terminal

      E16

      121

      148
    8. Check EVAP control system pressure sensor value at idle speed and note it.
    9. Establish and maintain the following conditions for at least 1 minute.

      Air conditioner switch

      ON

      Headlamp switch

      ON

      Rear window defogger switch

      ON

      Engine speed

      Approx. 3, 000 rpm

      Gear position

      Any position other than P, N or R
    10. Verify that EVAP control system pressure sensor value stays 0.1 V less than the value at idle speed (measured at step 8) for at least 1 second.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Proceed to Diagnosis Procedure .

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