323000808 - 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.

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 failed starting is caused by power supply system problems.

1	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Connect the diagnostic equipment (Examiner or other instruments) to the engine management control and check that there are no errors.Check that the engine control unit power supply is correct.	Move on to Step 2	1. Error detected in the control unit.2. 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.
2	INSTRUMENT PANEL CHECK	All OK	Problems encountered	Operation
	Activate the active diagnosis for the instrument panel warning light and check that the warning light functions correctly.	Move on to Step 3	The warning light is not working.	Move on to Step 4
3	CONNECTIONS CONTINUITY CHECK	All OK	Problems encountered	Operation
	Check the connection between the engine management control unit and the instrument panel.	Move on to Step 4	Connections interrupted	Restore the correct connections.
4	INSTRUMENT PANEL CHECK	All OK	Problems encountered	Operation
	Check the operation of the instrument panel	End of diagnosis	Instrument panel defective	Replace the Instrument Panel    Op. 5560B10 CONTROL PANEL - R+R