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Home >> Toyota >> 2014 >> Prius Three >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 53 (Engine Control System (Diagnostic Code (P0010 - P0300)) - PRIUS (Plug-In)) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem [10/2013 - ] >> Typical Enabling Conditions
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Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
Monitor runs whenever the following DTCs are not stored None
All of the following conditions are met -
Throttle position voltage 0.2 V or higher, and less than 2 V
Time after engine start 5 seconds or more
Auxiliary battery voltage 10.5 V or higher
Engine coolant temperature 70°C (158°F) or higher
Estimated load 30% or higher, and less than 70%
Mass air flow meter circuit fail (P0102, P0103) Not detected
Intake air temperature sensor circuit fail (P0112, P0113) Not detected
Engine coolant temperature sensor circuit fail (P0115, P0117, P0118) Not detected
Crankshaft position sensor circuit fail (P0335) Not detected
Throttle position 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 vent valve fail (P2419, P2420) Not detected