Confirmation Driving Pattern

2009 Toyota 4Runner Limited, 4.0 U, RWDSECTION Confirmation Driving Pattern

HINT:

After a repair, check Monitor Status by performing the Key-Off Monitor Confirmation and Purge Flow Monitor Confirmation described below.

  1. KEY-OFF MONITOR CONFIRMATION 
    1. Preconditions

      The monitor will not run unless:

      1. The vehicle has been driven for 10 minutes or more (in a city area or on a freeway)
      2. The fuel tank is less than 90% full
      3. The altitude is less than 8000 ft (2400 m)
      4. The Engine Coolant Temperature (ECT) is between 4.4°C and 35°C (40°F and 95°F)
      5. The Intake Air Temperature (IAT) is between 4.4°C and 35°C (40°F and 95°F)
      6. The vehicle remains stationary (the vehicle speed is 0 mph [0 km/h])
    2. Monitor Conditions
      1. Allow the engine to idle for at least 5 minutes.
      2. Turn the ignition switch off and wait for 6 hours (8 or 10.5 hours).

        HINT:

        Do not start the engine until checking Monitor Status. If the engine is started, the steps described above must be repeated.

    3. Monitor Status
      1. Connect the Techstream to the DLC3.
      2. Turn the ignition switch on and turn the tester on.
      3. Enter the following menus: Powertrain / Engine and ECT / Monitor / Evaporative System.
      4. Check the Monitor Status displayed on the tester.

        HINT:

        If Incomplete is displayed, the monitor is not completed. Make sure that the preconditions have been met, and perform the Monitor Conditions again.

  2. PURGE FLOW MONITOR CONFIRMATION (P0441) 

    HINT:

    Perform this monitor confirmation after the Key-Off Monitor Confirmation shows Complete.

    1. Preconditions

      The monitor will not run unless:

      • The vehicle has been driven for 10 minutes or more (in a city area or on a freeway)
      • The ECT is between 4.4°C and 35°C (40°F and 95°F)
      • The IAT is between 4.4°C and 35°C (40°F and 95°F)
    2. Monitor Conditions
      1. Release the pressure from the fuel tank by removing and reinstalling the fuel tank cap.
      2. Warm the engine up until the ECT reaches more than 75°C (167°F).
      3. Increase the engine speed to 3000 rpm once.
      4. Allow the engine to idle and turn the A/C ON for 1 minute.
    3. Monitor Status
      1. Turn the ignition switch off.
      2. Connect the Techstream to the DLC3.
      3. Turn the ignition switch on and turn the tester on.
      4. Enter the following menus: Powertrain / Engine and ECT / Utility.
      5. Check the Monitor Status displayed on the tester.

        HINT:

        If Incomplete is displayed, the monitor is not completed. Make sure that the preconditions have been met, and perform the Monitor Conditions again.

RENDER: 1.0x

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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.