Confirmation Driving Pattern

HINT:

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

Fig 1: Vehicle Speed Driving Pattern

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1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Clear DTCs (See DTC CHECK / CLEAR ).
5. Switch the ECM from normal mode to check mode using the Techstream.
6. Start the engine, and warm it up until the engine coolant temperature reaches 70°C (158°F) or higher.
7. Drive the vehicle at approximately 62 mph (100 km/h) for 20 seconds or more.
8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
9. Read the DTCs.