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Confirmation Driving Pattern

Fig 1: Identifying Confirmation Driving Pattern
GTY226295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off and wait for 30 seconds.
  5. Turn the power switch on (IG) and turn the Techstream on [A].
  6. Put the engine in inspection mode. Refer to INSPECTION MODE PROCEDURE .
  7. Start the engine and warm it up until the engine coolant temperature reaches 70°C (158°F) or more [B].

    HINT: 

    The A/C switch and all accessory switches should be off and shift position in P or N.

  8. Drive the vehicle at 25 to 37 mph (40 to 60 km/h) for 5 minutes or more [C].
  9. Idle the engine for 30 seconds or more [D].
  10. Accelerate the vehicle to 25 to 37 mph (40 to 60 km/h) with the shift lever in B [E].
  11. Perform fuel cut operation for 5 seconds or more, with the accelerator pedal fully released [F].
    WARNING:

    When performing the confirmation driving pattern, obey all speed limits and traffic laws.

    HINT: 

    When fuel cut is operating "Idle Fuel Cut" in Data List is ON.

  12. Enter the following menus: Powertrain / Engine and ECT / Monitor / Exhaust Gas Recirculation/VVT / Status2 [G].
  13. Check that the Exhaust Gas Recirculation/VVT / Status2 monitor is Complete.

    HINT: 

    If the monitor is Incomplete, perform the driving pattern again.

  14. Enter the following menus: Powertrain / Engine and ECT / Monitor / Exhaust Gas Recirculation/VVT/Details.
  15. Check the Details (EGR FLOW INSUFFICIENCY).

    HINT: 

    Make sure that the value is between MIN and MAX.

  16. If the monitor is still Incomplete, perform the following procedure.
  17. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
  18. Read Pending DTCs.

    HINT: 

    • If a pending DTC is output, the system is malfunctioning.
    • If a pending DTC is not output, perform the following procedure.
  19. Enter the following menus: Power train / Engine and ECT / Utility / All Readiness.
  20. Input the DTC: P0401.
  21. Check the DTC judgment result.
    Techstream 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's memory limit

    HINT: 

    • If the judgement result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • If the DTC judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, accelerate the vehicle again at 25 to 37 mph (40 to 60 km/h) with the shift lever in B, perform fuel cut operation for 5 seconds or more with the accelerator pedal fully released, and check the DTC judgment result.
  22. If the test result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs. Refer to DTC CHECK / CLEAR .

    HINT: 

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