CANISTER(w/o Canister Pump Module) ON-VEHICLE INSPECTION

PROCEDURE


  1. INSPECT CHARCOAL CANISTER ASSEMBLY (for Fuel Tank Cap Method)


    1. Inspect evaporative emission control system

      Click here

    2. Check for clogs in the air filter (when not using the GTS).


      1. Start the engine.

      2. Warm up the engine.

      3. Allow the engine to idle after the engine has warmed up.

      4. After 15 minutes, open the fuel tank cap assembly to discharge the pressure in the fuel tank assembly.

      5. Close the fuel tank cap assembly and allow the engine to idle for 30 seconds.

      6. A01HG1B

        Open the fuel tank cap assembly again and check for inhalation sounds.

        OK
        No whooshing sounds (inhalation sound) are heard.

        Tech Tips

        If there is a smell of gasoline and a whooshing sound (exhalation sound) is heard, positive pressure in the fuel tank assembly is being discharged. This does not indicate a malfunction.

    3. Check for clogs in the air filter (when using the GTS).


      1. Connect the GTS to the DLC3.

      2. Start the engine.

      3. Turn the GTS on.

      4. Enter the following menus: Powertrain / Engine / Active Test / Activate the EVAP Purge VSV.


        Powertrain > Engine > Active Test
        Tester Display
        Activate the EVAP Purge VSV

      5. Open the fuel tank cap assembly to discharge the pressure in the fuel tank assembly.

      6. Perform the "Activate the EVAP Purge VSV" Active Test while the engine is idling.

      7. Close the fuel tank cap assembly and allow the engine to idle for 30 seconds.

      8. Open the fuel tank cap assembly again and check for inhalation sounds.

        OK
        No whooshing sounds (inhalation sound) are heard.

        Tech Tips

        If there is a smell of gasoline and a whooshing sound (exhalation sound) is heard, positive pressure in the fuel tank assembly is being discharged. This does not indicate a malfunction.