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Home >> Scion >> 2013 >> tC Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P0368)) >> 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 stored P0102, P0103 (Mass air flow meter)
P0112, P0113 (Intake air temperature sensor)
P0115, P0117, P0118 (Engine coolant temperature sensor)
P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle position sensor)
P0335 (Crankshaft position sensor)
P0452, P0453 (EVAP system pressure sensor)
P2401, P2402 (Leak detection pump)
P2419, P2420 (EVAP system vent valve)
Throttle position (TP) sensor voltage 0.24 to 2 V
Time after engine start 5 seconds or more
Battery voltage 10.5 V or higher
Engine coolant temperature 70°C (158°F) or higher
Estimated load 30 to 70%