Confirmation Driving Pattern

HINT: 

Performing this confirmation pattern will activate the mass air flow performance monitor.

Fig 1: Identifying Vehicle Speed Diagram At 100 Km/h

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Clear DTCs . Refer to DTC CHECK / CLEAR .
5. Start the engine, and warm it up until the engine coolant temperature reaches 70°C (158°F) or higher.
6. Drive the vehicle at approximately 100 km/h (62 mph) for 20 seconds or more.

   HINT: 

   Drive while keeping the engine load as stable as possible.

7. Enter the following menus: Powertrain / Engine and ECT / Trouble Code / Pending.
8. Read Pending DTCs.

   HINT: 

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

9. If a pending DTC is not output, enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
10. Input the DTC: P0101.
11. Check the DTC judgment result.

    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

    WARNING:

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

    HINT: 

    If the judgment result shows INCOMPLETE or UNKNOWN, perform the confirmation driving pattern again.

12. 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.