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Home >> Lexus >> 2018 >> RC F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Circuit Tests (2 Of 3) >> SFI System >> EVAP System [09/2020 - ] >> Confirmation Driving Pattern
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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:

      • 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 2400 m (7875 ft).
      • The engine coolant temperature is between 4.4 and 35°C (40 and 95°F).
      • The intake air temperature is between 4.4 and 35°C (40 and 95°F).
      • The vehicle remains stationary (the vehicle speed is 0 km/h [0 mph]).
    2. Monitor Conditions
      1. Allow the engine to idle for at least 5 minutes.
      2. Turn the engine 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 engine switch on (IG).
      3. Turn the Techstream on.
      4. Enter the following menus: Powertrain / Engine / Monitor / Current Monitor.
      5. Check the Monitor Status displayed on the Techstream.

        HINT: 

        If Incomplete is displayed, the monitor did 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 engine coolant temperature is 4.4°C (40°F) or higher.
      • The intake air temperature is 4.4°C (40°F) or higher.
    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 engine coolant temperature reaches higher 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 switch on for 1 minute.
    3. Monitor Status
      1. Turn the engine switch off (if on (IG) or if the engine is running).
      2. Connect the Techstream to the DLC3.
      3. Turn the engine switch on (IG).
      4. Turn the Techstream on.
      5. Enter the following menus: Powertrain / Engine / Monitor / Current Monitor.
      6. Check the Monitor Status displayed on the Techstream.

        HINT: 

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

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