312000638 - K053 M.I.L. WARNING LIGHT OFF (INITIAL TEST NOT CARRIED OUT) / ENGINE DOES NOT START

The engine management control unit warning light does not come on. The Vehicle Protection warning light comes on and goes off. N.B.: The Vehicle Protection Warning Light going out correctly means that the result of the dialogue between the two control units has been positive. The failure of the engine management control unit warning light to come on is due to a fault in the warning light operating circuit. The failure to come on is caused by supply system problems

		Test results
1	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Connect the diagnostic equipment (Examiner or other instruments) to the engine management control unit and check that there are no errorsCheck that the engine control unit power supply is correct	Move on to Step 2	1. Error detected in the control unit2. Control unit power supply interrupted	1. Continue by following the instructions given by the diagnostic equipment.2. Restore the correct engine control unit power supply.    See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT     See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
2	INSTRUMENT PANEL CHECK	All OK	Problems encountered	Operation
	Activate the active diagnosis for the instrument panel MIL warning light and check that the warning light functions correctly.	Move on to Step 3	The warning light does not work	Replace the Instrument Panel    Op. 5560B10 CONTROL PANEL - R+R
3	CONNECTIONS CONTINUITY CHECK	All OK	Problems encountered	Operation
	Check the connection between the engine management control unit and the CAN	End of diagnosis	Connections interrupted	Restore the correct connections.