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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 493 (Engine Control System (VK56VD) DTC/Circuit Diagnosis (4 Of 6)) >> DTC/Circuit Diagnosis >> DTC P0447: EVAP Canister Vent Control Valve >> Component Inspection (EVAP Canister Vent Control Valve)

Component Inspection (EVAP Canister Vent Control Valve)

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK EVAP CANISTER VENT CONTROL VALVE-I 
    1. Turn ignition switch OFF.
    2. Remove EVAP canister vent control valve from EVAP canister.
    3. Check portion (A) of EVAP canister vent control valve for rust.
      GNSJSBIA0693Z-693Courtesy of NISSAN NORTH AMERICA, INC.

    Is it rusted?

    YES

    Replace EVAP canister vent control valve. Refer to Removal and Installation .

    NO

    GO TO 2.

  2. CHECK EVAP CANISTER VENT CONTROL VALVE-II 

    SYMBOL WITH CONSULT

    1. Reconnect harness connectors disconnected.
    2. Turn ignition switch ON.
    3. Perform "VENT CONTROL/V" in "ACTIVE TEST" mode.
    4. Check air passage continuity and operation delay time.
      GNSJSBIA0694Z-694Courtesy of NISSAN NORTH AMERICA, INC.

      Check that new O-ring is installed properly.

      VENT CONTROL/V Condition

      Air passage continuity between (A) and (B)

      ON

      Not existed

      OFF

      Existed

      Operation takes less than 1 second.

    SYMBOL WITHOUT CONSULT

    1. Disconnect EVAP canister vent control valve harness connector.
    2. Check air passage continuity and operation delay time under the following conditions.

      Check that new O-ring is installed properly.

      Condition

      Air passage continuity between (A) and (B)

      12 V direct current supply between

      terminals 1 and 2

      Not existed

      OFF

      Existed

      Operation takes less than 1 second.

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Replace EVAP canister vent control valve. Refer to Removal and Installation .

  3. CHECK EVAP CANISTER VENT CONTROL VALVE-III 

    SYMBOL WITH CONSULT

    1. Clean the air passage [portion (A) to (B)] of EVAP canister vent control valve using an air blower.
    2. Perform "VENT CONTROL/V" in "ACTIVE TEST" mode.
    3. Check air passage continuity and operation delay time.
      GNSJSBIA0694Z-694Courtesy of NISSAN NORTH AMERICA, INC.

      Check that new O-ring is installed properly.

      VENT CONTROL/V Condition

      Air passage continuity between (A) and (B)

      ON

      Not existed

      OFF

      Existed

      Operation takes less than 1 second.

    SYMBOL WITHOUT CONSULT

    1. Clean the air passage [portion (A) to (B)] of EVAP canister vent control valve using an air blower.
    2. Check air passage continuity and operation delay time under the following conditions.

      Check that new O-ring is installed properly.

      Condition

      Air passage continuity between (A) and (B)

      12 V direct current supply between

      terminals 1 and 2

      Not existed

      OFF

      Existed

      Operation takes less than 1 second.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace EVAP canister vent control valve. Refer to Removal and Installation .