Evaluating display group 4, display zone 3 - Coolant temperature

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Appears on display	Possible cause	Corrective action
Less than 60 ° C	Engine too cold	If necessary test drive vehicle
	Coolant temperature sensor or wiring to engine control module	Check coolant temperature sensor → Engine Coolant Temperature (ECT) sensor G62 , checking
Greater than 110 ° C	Radiator soiled	Clean radiator
	Coolant fan not functioning	Check function → Electrical Wiring Diagrams, Troubleshooting and Component Locations
	Thermostat faulty	Check thermostat → 19 - ENGINE - COOLING SYSTEM
	Coolant temperature sensor or wiring to engine control module	Check coolant temperature sensor → Engine Coolant Temperature (ECT) sensor G62 , checking
Constant -48.0 ° C	Wiring open circuit	Check coolant temperature sensor → Engine Coolant Temperature (ECT) sensor G62 , checking
Constant 143 ° C	Short between wires 3 and 4