EMISSION CONTROL SYSTEM ON-VEHICLE INSPECTION


  1. CHECK FUEL CUT RPM


    1. Put the engine in inspection mode Click here.

    2. Start and warm up the engine.

    3. Increase the engine speed to at least 2500 rpm.

    4. A01J8Y5E01
      Text in Illustration
      *1 Injector
      *2 Sound Scope

      Use a sound scope to check for injector operating sounds.

    5. When the accelerator pedal is released, check that injector operating sounds stop momentarily (at 2500 rpm or higher) and then resume (at 1200 rpm).

      Standard
      Item Specified Condition
      Fuel cut off rpm 2500 rpm
      Fuel injection restart rpm 1200 rpm

      If the result is not as specified, check the injectors, wiring and ECM.

  2. VISUALLY INSPECT HOSES, CONNECTIONS AND GASKETS


    1. A01JAUO

      Visually check that the hoses, connections and gaskets have no cracks, leaks or damage.

      Note


      • Detachment or other problems with the engine oil dipstick, filler cap, ventilation hose and other components may cause the engine to run improperly.

      • Air suction caused by disconnections, looseness or cracks in any part of the air induction system between the throttle body and cylinder head will cause an engine failure or engine malfunction.

      If any defects are found, replace parts as necessary.

  3. INSPECT EVAPORATIVE EMISSION CONTROL SYSTEM


    1. Connect the intelligent tester to the DLC3.

    2. A01JD6I

      Disconnect the fuel vapor feed hose from the purge valve shown in the illustration.

    3. Put the engine in inspection mode Click here.

    4. Start the engine.

    5. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the VSV for Evap Control.

    6. Check that vacuum occurs at the purge valve port.

    7. If vacuum does not occur, check the following items.

      Tech Tips


      • VSV (for canister purge)

      • Clogging in the fuel vapor feed hose connecting the intake air surge tank and VSV

      • Voltage from the ECM PRG terminal

    8. Exit Active Test mode and reconnect the fuel vapor feed hose.

    9. Enter the following menus: Powertrain / Engine and ECT / Data List / EVAP Purge VSV.

    10. Warm up the engine and drive the vehicle.

    11. Confirm that the purge valve opens.

      If the result is not as specified, replace the purge valve, wire harness or ECM.