939003666 - K100 MIL WARNING LIGHT NOT WORKING (REMAINS OFF BEFORE STARTING)

The MIL warning light does not come with the ignition on;

the engine failure warning light is switched on by means of an earth command directly from the "engine management node"; during normal operation the engine failure warning light should come on when the ignition is on and go out when the engine is started up.

1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the diagnostic equipment to the diagnostic socket and check the operation of the engine failure warning light through active diagnosis at the engine management node	Move on to Step 2	1.The warning light does not come on	1.Renew the correct wiring    See E4010 INSTRUMENT PANEL
			2.The warning light comes on	2.Replace instrument panel    Op. 5560B10 CONTROL PANEL - R+R
2	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present	End of diagnosis	Fault persists	Replace the engine management control unit    Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R
2	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present	End of diagnosis	Fault persists	Replace the engine management control unit    Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R