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Home >> Lexus >> 2009 >> IS F >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control (SFI) System (Diagnostic Codes (P0010-P0201)) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem >> Confirmation Driving Pattern

Confirmation Driving Pattern

HINT: 

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

Fig 1: Confirmation Driving Pattern
GTY131604Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG).
  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 62 mph (100 km/h) for 20 seconds or more.
  7. Enter the following menus: Powertrain / Engine / Trouble Codes; then check if any DTCs (any pending DTCs) are set.