Confirmation Driving Pattern

2009 Toyota Yaris S, 4D HatchbackSECTION Confirmation Driving Pattern

HINT:

After a repair, check Monitor Information (Test Result) 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:

      • The vehicle has been driven for 10 minutes or more (in a city area or on a freeway)
      • The fuel tank is less than 90 % full
      • The altitude is less than 8,000 ft (2,400 m)
      • The Engine Coolant Temperature (ECT) is between 4.4°C and 35°C (40°F and 95°F)
      • The Intake Air Temperature (IAT) is between 4.4°C and 35°C (40°F and 95°F)
      • 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 to OFF and wait for 6 hours (8 or 10.5 hours).

        HINT:

        Do not start the engine until checking Monitor Information (Test Result). If the engine is started, the steps described above must be repeated.

    3. Monitor Information (Test Result)
      1. Connect the Techstream to the DLC3.
      2. Turn the ignition switch to ON and turn the tester ON.
      3. Select the following menu items: Powertrain/Engine and ECT/Monitor/Evaporative System/Details.
      4. Check the Monitor Information (Test Result) displayed on the tester.

        HINT:

        If Incomplete is displayed, the monitor is not complete. 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 cap.
      2. Warm the engine up until the ECT reaches more than 75°C (167°F).
      3. Increase the engine speed to 3,000 rpm once.
      4. Allow the engine to idle and turn the A/C ON for 1 minute.
    3. Monitor Information (Test Result)
      1. Turn the ignition switch to OFF (where ON or the engine is running).
      2. Connect the Techstream to the DLC3.
      3. Turn the ignition switch to ON and turn the tester ON.
      4. Select the following menu items: Powertrain/Engine and ECT/Monitor/Evaporative System/Details.
      5. Check the Monitor Information (Test Result) displayed on the tester.

        HINT:

        If Incomplete is displayed, the monitor is not complete. 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.