Confirmation Driving Pattern
WARNING: This page is about a different car, the 2008 Lexus GS 350. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Performing this confirmation pattern will activate the mass air flow performance monitor.
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Clear the DTCs (See DTC CHECK/CLEAR ).
- Start the engine, and warm it up until the engine coolant temperature reaches 70°C (158°F) or higher.
- Drive the vehicle at approximately 62 mph (100 km/h) for 20 seconds or more.
- Select the following menu items: Powertrain/Engine and ECT/Trouble Codes/Pending.