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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 296 (Engine Control System) >> SFI System >> EVAP System >> Confirmation Driving Pattern
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Confirmation Driving Pattern

WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

After a repair, check the 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:

      • The vehicle has been driven for 10 minutes or more (in a city area or on a free way)
      • 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 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 a Techstream to the DLC3.
      2. Turn the ignition switch ON and turn the tester ON.
      3. Select the following menu items: 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 COMPL (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 free way)
      • 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 A/C ON for 1 minute.
    3. Monitor Status
      1. Turn the ignition switch OFF (where ON or the engine is running).
      2. Connect a Techstream to the DLC3.
      3. Turn the ignition switch ON and turn the tester ON.
      4. Select the following menu items: Powertrain / Engine and ECT / Monitor.
      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.

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