When Monitored

This diagnostic runs when the following conditions are met:

• Engine run time above 20 seconds.
• Engine coolant temperature at startup between -7°C (19.4°F) and 10°C (50°F).
• The difference between the Ambient Air temp (AAT) and Engine Coolant Temp (ECT) temp at Start is equal to or less than 10°C (50°F).
• Vehicle speed is below two mph.