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Home >> Toyota >> 2006 >> Matrix XRS >> Repair and Diagnosis >> Engine Performance >> Engine Control System (2ZZ-GE) >> SFI System >> DTC P0101 Mass or Volume Air Flow Circuit Range / Performance Problem >> Typical Enabling Conditions
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Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS

The monitor will run whenever the following DTCs are not present P0115, P0117, P0118 (ECT sensor), P0120, P0122, P0123 (TP sensor), P0125 (Insufficient ECT for closed loop), P0335 (CKP sensor), P0340, P0341 (CMP sensor)

MAF Meter Rationality (Case 1): 

MAF METER RATIONALITY CONDITIONS(CASE 1)

Engine speed Less than 2,000 rpm
Engine coolant temperature 70°C (158°F) or more

MAF Meter Rationality (Case 2): 

MAF METER RATIONALITY CONDITIONS(CASE 2)

Engine speed More than 300 rpm
Fuel cut OFF