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Home >> Toyota >> 2009 >> RAV4 Base, 2.5 F, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (2AR-FE) - Diagnostic Codes (1 Of 4) >> DTC P0111 Intake Air Temperature Sensor Gradient Too High >> Confirmation Driving Pattern
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Confirmation Driving Pattern

Fig 1: Vehicle Speed Driving Pattern
G05996832Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON and turn the Techstream on.
  3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation) [A].
  4. Start the engine and warm it up until the ECT reaches 75°C (167°F) or higher [B].
  5. Idle the engine for 5 minutes or more [C].

    HINT:

    During steps [A] through [C], if the change in the intake air temperature is below 1°C (1.8°F), the intake air temperature sensor (MAF meter) is malfunctioning. It is not necessary to continue this procedure.

  6. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  7. Input the DTC: P0111.
  8. Check the DTC judgment result [D].
    TESTER DISPLAY DESCRIPTION

    Tester Display Description
    NORMAL
    • DTC judgment completed
    • System normal
    ABNORMAL
    • DTC judgment completed
    • System abnormal
    INCOMPLETE
    • DTC judgment not completed
    • Perform driving pattern after confirming DTC enabling conditions
    UNKNOWN
    • Unable to perform DTC judgment
    • Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit
    CAUTION: When performing the confirmation driving pattern, obey all speed limits and traffic laws.

    HINT:

    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [E] and [F].
  9. Drive the vehicle at 40 km/h (25 mph) or more for a total of 5 minutes or more [E].
  10. Check the DTC judgment result again [F].

    HINT:

    If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [E] and [F] again.

  11. If the test result is UNKNOWN, enter the following menus: Powertrain / Engine and ECT / Trouble Code / Pending.
  12. Read Pending DTCs.

    HINT:

    If a pending DTC is output, the system is malfunctioning.

  13. If the test result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs (See DTC CHECK / CLEAR ).

    HINT:

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTC is output, the system is normal.