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Home >> Toyota >> 2007 >> 4Runner Limited, 4.7 T, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System (2UZ-FE) >> SFI System >> DTC P0101 Mass Air Flow Circuit Range / Performance Problem >> Typical Enabling Conditions

Typical Enabling Conditions

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TYPICAL ENABLING CONDITIONS

Monitor will run whenever these DTCs are not present P0115 - P0118 (ECT sensor)
P0120 - P0223, P2135 (TP sensor)
P0125 (insufficient ECT for closed loop)
P0335 (CKP sensor)
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
IAT sensor circuit Not detected
ECT sensor circuit Not detected
CKP sensor circuit Not detected
TP sensor circuit Not detected
Canister pressure sensor circuit Not detected
Leak detection pump fail Not detected
Vent valve fail Not detected