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Home >> Scion >> 2008 >> xD Automatic >> Repair and Diagnosis >> Engine Performance >> 2ZR-FE Engine Control System >> SFI System >> 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 Graph
G05386631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect a Techstream to the DLC3.
  2. Turn the ignition switch to ON.
  3. Turn the tester 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 100 km/h (62 mph) for 20 seconds or more.
  7. Select the following menu items: Powertrain / Engine and ECT / Trouble Codes / Pending; then check if any DTCs (any pending DTCs) are set.