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Home >> Scion >> 2012 >> xB Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P0354)) >> 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) 0.24 to 2 V
Time after engine starts 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
MAF sensor circuit fail (P0102, P0103) Not detected
IAT sensor circuit fail (P0112, P0113) Not detected
ECT sensor circuit fail (P0115, P0117, P0118) Not detected
CKP sensor circuit fail (P0335) Not detected
TP sensor circuit fail (P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135) Not detected
EVAP system pressure sensor circuit fail (P0452, P0453) Not detected
Leak detection pump fail (P2401, P2402) Not detected
EVAP system vent valve fail (P2419, P2420) Not detected