2001 Honda Odyssey LXFACTORY OEM SERVICE PROCEDURE

EVAP Canister Vent Shut Valve Test

  1. Disconnect the vacuum hose from the EVAP canister vent filter (A), and connect a vacuum pump to the hose.
    Fig 1: Connect A Vacuum Pump To The Hose
    G01511898Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Turn the EVAP canister vent shut valve on with the HDS, or connect PCM connector terminal A4 to body ground with a jumper wire.
    Fig 2: Connect PCM Connector Terminal A4 To Body Ground With A Jumper Wire
    G01511899Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Turn the ignition switch ON (II).
  4. Apply vacuum to the hose.

    Does the valve hold vacuum? 

    1. YES:  The EVAP control canister vent shut valve is OK. Go to step  1.
    2. NO:  Go to step 5.
  5. Turn the ignition switch OFF.
  6. Disconnect the EVAP canister vent shut valve 2P connector.
  7. Check for continuity between EVAP canister vent shut valve 2P connector terminal No. 2 and body ground.
    Fig 3: Check For Continuity Between EVAP Canister Vent Shut Valve 2P Connector Terminal No. 2 & Body Ground
    G01511900Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    1. YES:  Go to step 8.
    2. NO:  Repair open in the wire between the EVAP canister vent shut valve and PCM (A4).
  8. Turn the ignition switch ON (II).
  9. Measure voltage between EVAP canister vent shut valve 2P connector terminal No. 1 and body ground.
    Fig 4: Measuring Voltage Between EVAP Canister Vent Shut Valve 2P Connector Terminal No. 1 & Body Ground (1 Of 2)
    G01511901Courtesy of AMERICAN HONDA MOTOR CO., INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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