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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1165 (Engine Control System - DTCS P0137 To P0448) >> P0447 EVAP Canister Vent Control Valve >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK EVAP CANISTER VENT CONTROL VALVE-I
    1. Remove EVAP canister vent control valve from EVAP canister.
    2. Check portion (A) of EVAP canister vent control valve for rust.

    Is it rusted? 

    YES: Replace EVAP canister vent control valve.

    NO: GO TO 2.

    Fig 1: Identifying Portion Of EVAP Canister Vent Control Valve
    G05869865Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK EVAP CANISTER VENT CONTROL VALVE-II

    With CONSULT-III 

    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.

    Check that new O-ring is installed properly. 

    CONTINUITY CHART

    Condition VENT CONTROL/V Air passage continuity between (A) and (B)
    ON Not existed
    OFF Existed
    Fig 2: Identifying EVAP Canister Vent Control Valve
    G05869866Courtesy of NISSAN MOTOR CO., U.S.A.

    Operation takes less than 1 second. 

    Without CONSULT-III 

    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. 

    CONTINUITY CHART

    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: GO TO 3.

  3. CHECK EVAP CANISTER VENT CONTROL VALVE-III

    With CONSULT-III 

    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.

    Check that new O-ring is installed properly. 

    CONTINUITY CHART

    Condition VENT CONTROL/V Air passage continuity between (A) and (B)
    ON No
    OFF Yes

    Operation takes less than 1 second. 

    Without CONSULT-III 

    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. 

    Fig 3: Identifying EVAP Canister Vent Control Valve
    G05869867Courtesy of NISSAN MOTOR CO., U.S.A.
    CONTINUITY CHART

    Condition Air passage continuity between (A) and (B)
    12 V direct current supply between terminals (1) and (2) No
    OFF Yes

    Operation takes less than 1 second. 

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Replace EVAP canister vent control valve

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