Confirmation Driving Pattern

HINT: 

Performing this confirmation driving pattern will activate the catalyst efficiency monitor. This is very useful for verifying the completion of a repair.

Fig 1: Identifying Exhaust Heat Recirculation System

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
5. Turn the power switch off and wait for at least 30 seconds.
6. Turn the power switch on (IG) and turn the Techstream on.
7. Enter the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor.
8. Check that Catalyst Efficiency / Current is Incomplete.
9. Put the engine in inspection mode (maintenance mode). Refer to INSPECTION MODE PROCEDURE .
10. Start the engine and warm it up until the engine coolant temperature is 75°C (167°F) or higher [A].
11. Drive the vehicle at approximately 60 to 100 km/h (37 to 62 mph) for 10 minutes or more [B].
    WARNING:

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

    HINT: 

    • Drive the vehicle while keeping the engine load as constant as possible.
    • The monitor item will change to Complete as the Catalyst Efficiency monitor operates [C].
12. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
13. Check if any DTCs (pending DTCs) are stored.

    HINT: 

    If the monitor item does not change to Complete, and no pending DTCs are stored, perform the following procedure.

14. Drive the vehicle at a speed between 75 and 100 km/h (47 and 62 mph) for 10 minutes or more [D].
    WARNING:

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

    HINT: 

    • Drive the vehicle while keeping the engine load as constant as possible.
    • The monitor item will change to Complete as the Catalyst Efficiency monitor operates [E].
15. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
16. Check if any DTCs (pending DTCs) are stored.

    HINT: 

    If the monitor item does not change to Complete, and no pending DTCs are stored, drive the vehicle again under an increased load.

17. If 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.