K054 VEHICLE PROTECTION WARNING LIGHT OFF (ENGINE DOES NOT START) - Fiat - NUOVA 500 - eLearn

with the key in the ON position and the engine off, the warning light should be on, whilst it should go off when the engine is running.

1	ERROR CHECK	All OK	Problems encountered	Operation
		Test results
	Using the Examiner in the CAN INFORMATION ambient, check that there are no faulty control units:Check the continuity of the CAN	Move on to Step 2	Faulty control units present	Continue as instructed by the diagnostic equipment.
2	ACTIVE DIAGNOSIS CHECK	All OK	Problems encountered	Operation
	Using the Examiner check in the instrument panel control unit, in the Active Diagnosis ambient, that the vehicle protection warning light is correctly activated.	Move on to Step 3	The warning light does not flash	Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R
3	BODY COMPUTER CHECK	All OK	Problems encountered	Operation
	Using the Examiner, check that the Body Computer is working properly	Move on to Step 4	Body Computer defective	Replace body computer Op. 5505A32 BODY COMPUTER - R.R
4	ENGINE CONTROL UNIT CHECK	All OK	Problems encountered	Operation
	Check that the engine control unit is working properly using the Examiner	End of diagnosis	Engine control unit defective	Replace the engine control unit Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R
4	ENGINE CONTROL UNIT CHECK	All OK	Problems encountered	Operation
	Check that the engine control unit is working properly using the Examiner	End of diagnosis	Engine control unit defective	Replace the engine control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R