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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - SFI System Diagnostics (1 Of 4) >> DTC P0101 Mass Air Flow Circuit Range / Performance Problem >> Confirmation Driving Pattern
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Confirmation Driving Pattern

HINT.

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

Fig 1: Vehicle Speed - Driving Pattern
G05751463Courtesy 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 (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. Powertrain / Engine / Trouble Codes, then check if any DTCs (any pending DTCs) are set.