Confirmation Driving Pattern

HINT:

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

Fig 1: Identifying Vehicle Speed Driving Pattern

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Connect the intelligent tester or Techstream to the DLC3.
2. Turn the ignition switch ON.
3. Turn the tester ON.
4. Clear DTCs (see 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 62 mph (100 km/h) for 20 seconds or more.
7. Enter the following menus:
   • Intelligent tester - Select: DIAGNOSIS / ENHANCED OBD II / DTC INFO / PENDING CODES; then check if any DTCs (any pending DTCs) are set.
   • Techstream - Select: Powertrain / Engine and ECT / Trouble Codes / Pending; then check if any DTCs (any pending DTCs) are set.