Engine Coolant Temperature

The coolant warning indicator control monitors the engine coolant temperature signal from the engine coolant temperature sensor. The indicator control lights the coolant warning indicator in the following instances:
^ At an engine coolant temperature of approximately 124°C (255°F)
^ At a sender resistance of approximately 53 ohm

Refer to PCM Controlled Warning Lamps Description in Engine Controls - 3.1L (LG8) or PCM Controlled Warning Lamps Description in Engine Controls -3.8 L.