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Home >> Lexus >> 2010 >> IS F >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control (Diagnostic Codes (P0010-P0193) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem >> Typical Enabling Conditions

Typical Enabling Conditions

Monitor runs whenever following DTCs not present None
Throttle position (Throttle position sensor voltage) 0.24 to 3.6 V
Time after engine start 5 seconds or more
Battery voltage 10.5 V or more
Engine coolant temperature 70°C (158°F) or more
Intake air temperature sensor circuit (P0112, P0113) OK
Engine coolant temperature sensor circuit (P0115, P0117, P0118) OK
Crankshaft position sensor circuit (P0335, P0337, P0338) OK
Throttle position sensor circuit (P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135) OK
Canister pressure sensor circuit (P0452, P0453) OK
EVAP leak detection pump (P2401, P2402) OK
EVAP vent valve (P2419, P2420) OK