2582441 - K28 ENGINE COOLANT TEMPERATURE SIGNALLED BY INSTRUMENT TOO LOW

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		Results of the tests
1	CHECK PARAMETER IS CONSISTENT	All OK	Problems met	Operation
	Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socketUse a tester to check the temperature shown on the instrument is consistent with the parameter recorded by the injection control unit	Continue to Step 3	Incoherent parameters	Continue to Step 2
2	CHECK INSTRUMENT PANEL ELECTRICAL CIRCUIT	All OK	Problems met	Operation
	Check instrument panel power supply and earth in order See   E4010  INSTRUMENT PANEL	Continue to Step 4	Panel defective	Replace the panel Op.   5560B11
3	TEMPERATURE SENSOR ELECTRICAL CIRCUIT CHECK	All OK	Problems met	Operation
1.2 8v	Check coolant temperature sensor power supply and earth in order See   E5030  PETROL ENGINE ELECTRONIC MANAGEMENT	Continue to Step 4	Sensor defective	Replace the temperature sensor Op.   1056B50
			Connections not correct	Restore connections See   E5030  PETROL ENGINE ELECTRONIC MANAGEMENT
1.9 DIESEL	Check coolant temperature sensor power supply and earth in order See   E5050  DIESEL ENGINES ELECTRONIC MANAGEMENT	Continue to Step 4	Sensor defective	Replace the temperature sensor Op.   1060D14
			Connections not correct	Restore connections See   E5050  DIESEL ENGINES ELECTRONIC MANAGEMENT
4	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
1.2 8v	Check that the fault is no longer present		The fault persists: control unit defective	Replace control unit Op.   1056B82  Search for the fault starting from another symptom'
1.9 DIESEL	Check that the fault is no longer present		The fault persists: control unit defective	Replace control unit Op.   1060D80  Search for the fault starting from another symptom'