939003667 - K101 MIL WARNING LIGHT STAYS ON (ENGINE STARTS)

The M.I.L. warning light remains on with the engine running
the M.I.L. warning light is switched on by means of an earth command from the Engine Management Node.
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the Examiner diagnostic equipment to the diagnostic connector and check that there are no faults at the Engine Management NodeMove on to Step 2Presence of faults in the systemProceed as instructed by the diagnostic tester
2CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Keeping the diagnostic equipment connected to the diagnostic socket and check the operation of the engine failure warning light through active diagnosis at the Engine Management NodeMove on to Step 6The warning light does not flashMove on to Step 3
3WARNING LIGHT OPERATION CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Disconnect the Engine Management Node from the vehicle side wiring and check that the warning light goes outMove on to Step 6The warning light does not go outMove on to Step 4
4ELECTRICAL SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the insulation of the warning light control cable between the Engine Management Node and the Instrument Panel Node    See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT Move on to Step 5Cable short circuited to earthRestore the electrical connections.
5CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentEnd of diagnosisFault persistsReplace the instrument panel and move on to Step 6    Op. 5560B10 CONTROL PANEL - R+R
6CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentEnd of diagnosisFault persistsReplace the engine management control unit    Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R
6CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentEnd of diagnosisFault persistsReplace the engine management control unit    Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R