323000828 - K101 MIL WARNING LIGHT STAYS ON (ENGINE STARTS)

The M.I.L. warning light remains on when the engine is 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 encounteredOperation
Connect the Examiner diagnostic equipment to the diagnostic connector and check that there are no system faults at the Engine Management Node.Move on to Step 2.Presence of faults in the systemContinue following the instructions given by the diagnostic equipment.
2CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Keeping the diagnostic equipment connected to the diagnostic socket, check the operation of the M.I.L. warning light at the control panel, by using active diagnosisMove on to Step 4.The warning light does not flash.Move on to Step 3.
3WARNING LIGHT OPERATION CHECKAll OKProblems encounteredOperation
Disconnect the connection cable between the engine control unit and the instrument panel and check that the warning light goes out.Move on to Step 5.The warning light does not go outReplace the Instrument Panel.    Op. 5560B10 CONTROL PANEL - R+R
4ELECTRICAL SYSTEM CHECKAll OKProblems encounteredOperation
Check the insulation of the MIL warning light control cable between the Engine Management Node and the Instrument Panel Node.Move on to Step 5.Cable short circuited to earth.Restore the correct insulation for the cable.
5CORRECT OPERATION CHECKAll OKProblems encounteredOperation
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