2751083 - K25 ENGINE COOLANT TEMPERATURE GAUGE NOT WORKING

With the ignition ON, the engine coolant temperature gauge in the instrument panel is not working;

The engine coolant temperature value message and the engine temperature sensor failure signal is made available by the Engine Management Node on the C-CAN; the Body Computer Node makes the message available to the B-CAN and consequently to the instrument panel

		Results of the tests
0	PRELIMINARY CHECK	All OK	Problems met	Operation
	Check that, with the engine started, there is no engine coolant temperature sensor failure message and that the engine management warning light is not on	Continue to Step 2	Presence of failure messages and/or warning light on	Continue to Step 1
1	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect the Examiner diagnostic equipment to the diagnostic socket and check that there are no faults at the engine management node	Continue to Step 2	Presence of faults	Continue following the instructions for the diagnostic equipment
2	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect the Examiner diagnostic equipment to the diagnostic socket and check at the instrument panel node that the indicator is working through active diagnosis.	Continue to Step 3	Indicator not working	Replace instrument panel Op. 5560B11
3	Continue as instructed by the tester	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Replace the engine management control unit Op.   1056B82