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Home >> Toyota >> 2009 >> Yaris Base, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control System (1NZ-FE) >> SFI System >> DTC P0101 Mass Air Flow Circuit Range/Performance Problem >> Typical Enabling Conditions
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Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs not present None
Throttle position (TP sensor voltage) 0.24 V or more
Engine Running
Battery voltage 10.5 V or more
Engine coolant temperature 70°C (158°F) or more
IAT sensor circuit (P0110, 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
Canister pressure sensor circuit (P0450, P0452, P0453) OK
EVAP leak detection pump (P2401, P2402) OK
EVAP vent valve (P2419, P2420) OK