184000485 - K101 M.I.L WARNING LIGHT STAYS ON / ENGINE STARTS

The MIL warning light stays on with the engine running;

the MIL warning light is turned on by an earth control supplied by the Engine Control Node

		Results of the tests
1	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
1.2 16v1.4 16v	Connect the diagnostic equipment (Examiner) to the diagnostic socket and check that there are no faults in the system at the Engine Management Node	Continue to Step 2	Faults in system	Continue according to the instructions for the diagnostic equipment If EOBD faults are involved, the reference fault diagnosis (also shown by the diagnostic equipment) are those between Z50 and Z58
1.3 JTD 16v	Connect the diagnostic equipment (Examiner) to the diagnostic socket and check that there are no faults in the system at the Engine Management Node	Continue to Step 2	Faults in system	Continue according to the instructions for the diagnostic equipment
2	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Keeping the diagnostic equipment connected to the diagnostic socket, check the operation of the MIL warning light at the Engine Management Node through active diagnosis	Continue to Step 6	The warning light does not flash	Continue to Step 3
3	CHECKING WARNING LIGHT OPERATION	All OK	Problems met	Operation
	Disconnect the Engine Control node from the car side wiring and check whether the warning light goes off	Continue to Step 6	The warning light does not go off	Continue to Step 4
4	CHECKING ELECTRICAL EQUIPMENT	All OK	Problems met	Operation
1.2 16v1.4 16v	Check the insulation of the warning light control lead from engine control node to instrument panel node. See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT	Continue to Step 5	cable short circuited to earth	Renew the electrical connections See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT
1.3 JTD 16v	Check the insulation of the warning light control lead from engine control node to instrument panel node. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT	Continue to Step 5	Cable short circuited to earth.	Renew the electrical connections. See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
5	CHECK CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present.	End of diagnosis	Fault persists	Replace instrument panel Op. 5560B11
6	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
1.2 16v1.4 16v	Check that the fault is no longer present	End of diagnosis	Fault persists	Replace the engine management control unit Op. 1056B82
1.3 JTD 16v	Check that the fault is no longer present	End of diagnosis	Fault persists	Replace the engine management control unit Op. 1060G80