323000827 - K100 MIL WARNING LIGHT NOT WORKING (REMAINS OFF BEFORE STARTING)

The engine failure warning light does not come with the ignition on;
the engine fault warning light is turned on via a command sent on the CAN network supplied by the engine control node.
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Check the operation of the engine failure warning light using the Examiner in active diagnosis.Move on to Step 2.The warning light does not come on.Replace the instrument panel.    Op. 5560B10 CONTROL PANEL - R+R
2CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Check for the presence of any faults by connecting to the engine management control unit using the Examiner.Move on to Step 3.Faults present.Continue as instructed by the diagnostic equipment.
3WIRING CHECKAll OKProblems encounteredOperation
Check the continuity of the lead from the engine management control unit to the instrument panel.Move on to Step 4.Lead broken.Restore the correct continuity.
4CORRECT 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