Confirmation Driving Pattern

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. 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.

Fig 1: Driving Pattern Chart

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