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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 >> Without CONSULT

Without 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.
    Fig 1: Identifying Rusted Portion Of EVAP Canister Vent Control Valve
    G08690639Courtesy of NISSAN NORTH AMERICA, INC.
  3. Check air passage continuity and operation delay time under the following conditions.

    Make sure 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 No
    OFF Yes
    Fig 2: Cleaning Air Passage Of EVAP Canister Vent Control Valve Using Air Blower
    G08690640Courtesy 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.

  4. Clean the air passage (Portion to ) of EVAP canister vent control valve using an air blower.
  5. Perform step  3 again.