K051 MIL WARNING LIGHT AND WARNING LIGHT/SYMBOL FOR VEHICLE PROTECTION SYSTEM BOTH ON (ENGINE DOES NOT START) - Fiat - NUOVA 500 - eLearn

The engine management control unit warning light and the vehicle protection warning light remain on permanently

1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
		Test results
	Connect the Examiner diagnostic equipment to the Body Computer and check:- that there no errors at the Body Computer- parameter plausibility.	Move on to Step 2	1. Error detected at the Body Computer2. Parameters not plausible.	1. Continue following the instructions given by the diagnostic equipment.2. Continue following the instructions given by the diagnostic equipment.
2	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the engine management control unit and check:- that there no errors at the Body Computer- parameter plausibility.	Move on to Step 3	1. Error detected at the engine management control unit.2. Parameters not plausible.	1. Continue following the instructions given by the diagnostic equipment.2. Continue following the instructions given by the diagnostic equipment.
3	CORRECT OPERATION CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present	End of diagnosis	The fault persists	Replace the engine management control unit Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R