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Home >> Lexus >> 2011 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P014F) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem >> Typical Enabling Conditions
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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
Estimated load 30 to 70%
Engine coolant temperature 70°C (158°F) or more
Mass air flow meter circuit (P0102, P0103) OK
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