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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FKS) - Diagnostic Codes (1 Of 6) >> SFI System >> DTC P0100-64: Mass or Volume Air Flow Sensor "A" Signal Plausibility Failure [12/2019 - 10/2022] >> Typical Enabling Conditions

Typical Enabling Conditions

All of the following conditions are met -
Throttle position voltage 0.2 V or higher, and less than 2.0 V
Time after engine start 5 seconds or more
Battery voltage 10.5 V or higher
Estimated load 30% or higher, and less than 70%
Engine coolant temperature 70°C (158°F) or higher
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 (P0117, P0118) Not detected
Crankshaft position sensor circuit fail (P0335, P0337, P0338) Not detected
Throttle position sensor circuit fail (P0121, P0122, P0123, 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