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Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS

The monitor will run whenever the following DTCs are not present P0115 - P0118 (ECT sensor)
P0120 - P0223, P2135 (TP sensor)
P0125 (Insufficient ECT for closed loop)
P0335 (CKP sensor)
P0340, P0341 (CMP sensor)

Case1: Mass airflow meter rationality (High voltage) 

ENGINE SPEED REFERENCE

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

Case2: Mass air flow meter rationality (Low voltage) 

ENGINE SPEED REFERENCE

Engine speed More than 300 rpm
Fuel cut OFF
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