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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2408 (Engine Control System - DTCS P0181 To P0550 (VK56DE)) >> DTC P0448: EVAP Canister Vent Control Valve >> Component Inspection >> EVAP Canister Vent Control Valve

EVAP Canister Vent Control Valve

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

With CONSULT

  1. Remove EVAP canister vent control valve from EVAP canister. Refer to "REMOVAL AND INSTALLATION ".
  2. Check portion B of EVAP canister vent control valve for being rusted.

    If NG, replace EVAP canister vent control valve. Refer to "REMOVAL AND INSTALLATION ".

    If OK, go to next step.

  3. Reconnect harness connectors disconnected.
  4. Turn ignition switch ON.
  5. Perform "VENT CONTROL/V" in "ACTIVE TEST" mode.
  6. Check air passage continuity and operation delay time.

    Check that new O-ring is installed properly  .

    VENT CONTROL/V Condition Air passage continuity between A and B
    ON No
    OFF Yes
    Fig 1: Identifying Rusted Portion Of EVAP Canister Vent Control Valve
    G08165082Courtesy of NISSAN NORTH AMERICA, INC.

    Operation takes less than 1 second  .

    If NG, go to next step.

  7. Clean the air passage (portion A to B) of EVAP canister vent control valve using an air blower.
  8. Perform step  6 again.
  9. If NG, replace EVAP canister vent control valve. Refer to "REMOVAL AND INSTALLATION ".

Without CONSULT

  1. Remove EVAP canister vent control valve from EVAP canister. Refer to "REMOVAL AND INSTALLATION ".
  2. Check portion B of EVAP canister vent control valve for rust.
    Fig 2: Identifying Rusted Portion Of EVAP Canister Vent Control Valve
    G08165083Courtesy of NISSAN NORTH AMERICA, INC.
  3. 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
    12V direct current supply between terminals 1 and 2 No
    OFF Yes
    Fig 3: Checking Air Passage Continuity And Operation Delay Time Using Battery
    G08165084Courtesy of NISSAN NORTH AMERICA, INC.

    Operation takes less than 1 second  .

    If NG, go to next step.

  4. Clean the air passage (portion A to B) of EVAP canister vent control valve using an air blower.
  5. Perform step  3 again.
  6. If NG, replace EVAP canister vent control valve. Refer to "REMOVAL AND INSTALLATION ".