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Home >> Lexus >> 2009 >> GX 470 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control (SFI) System (Diagnostic Codes (P0010-P0505)) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem >> Typical Enabling Conditions
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Typical Enabling Conditions

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Monitor will run whenever these DTCs are not present P0110, P0112, P0113 (Intake Air Temperature Sensor)
P0115, P0117, P0118 (Engine Coolant Temperature Sensor)
P0120 - P0123, P0220 - P0223, P2135 (Throttle Position Sensor)
P0335 (Crankshaft Position Sensor)
P0450, P0452, P0453 (EVAP System)
P2401, P2402 (Leak detection pump fail)
P2419, P2420 (EVAP system vent valve fail)
Throttle position 0.24 V or more
Engine Running
Battery voltage 10.5 V or more
Engine coolant temperature 70°C (158°F) or more