October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

When Monitored

This diagnostic runs when the following conditions are met:

Engine Coolant Temperature (ECT) Sensor value is above 70 °C (158 °F).
Engine speed between 1400 and 2300 rpm.
Vehicle speed between 64 and 96 km/h (40 and 60 mph).
Engine run time greater than three minutes.