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Home >> Lexus >> 2011 >> IS 350 Base, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 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 (TP sensor voltage) 0.2 to 2 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
Estimated load 30 to 70%
MAF sensor circuit (P0102, P0103) OK
IAT sensor circuit (P0112, P0113) OK
ECT sensor circuit (P0115, P0117, P0118) OK
CKP sensor circuit (P0335) OK
TP sensor circuit (P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135) OK
EVAP system pressure sensor circuit (P0452, P0453) OK
EVAP leak detection pump (P2401, P2402) OK
EVAP vent valve (P2419, P2420) OK