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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, P0220, P0222, P0223, P2135 (TP sensor), P0125 (Insufficient ECT for closed loop), P0335 (CKP sensor), P0340, P0341 (CMP sensor)

Mass Air Flow Meter Rationality (High Voltage): 

DIAGNOSTIC PROCEDURE

Engine speed Less than 2,000 rpm
Mass air flow meter voltage 4.9 V or more
Engine coolant temperature 70°C (158°F) or more

Mass Air Flow Meter Rationality (Low Voltage): 

DIAGNOSTIC PROCEDURE

Engine speed More than 300 rpm
Mass air flow meter voltage 0.2 V or more
Fuel cut OFF