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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 891 (Engine Control System (Diagnostic Codes & Symptom Tests)) >> DTC/Circuit Diagnosis >> DTC P0448: EVAP Canister Vent Control Valve >> Component Inspection >> EVAP Canister Vent Control Valve >> With CONSULT

With CONSULT

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove EVAP canister vent control valve from EVAP canister. Refer to EVAP CANISTER .
  2. Check portion of EVAP canister vent control valve for being rusted.

    If NG, replace EVAP canister vent control valve. Refer to EVAP CANISTER .

    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.

    Make sure that new O-ring is installed properly. 

    Condition VENT CONTROL/V Air passage continuity between A and B
    ON No
    OFF Yes
    Fig 1: Identifying Rusted Portion Of EVAP Canister Vent Control Valve
    G08690638Courtesy of NISSAN NORTH AMERICA, INC.

    Operation takes less than 1 second. 

    If NG, replace EVAP canister vent control valve. Refer to EVAP CANISTER .

    If OK, go to next step.

  7. Clean the air passage (Portion to ) of EVAP canister vent control valve using an air blower.
  8. Perform step  6 again.