198001856 - K100 MIL WARNING LIGHT NOT WORKING (REMAINS OFF BEFORE STARTING)
The MIL warning light does not come on with the ignition on;|  | the engine failure warning light is switched on by means of an earth command directly from the "engine management node"; during normal operation the engine failure warning light should come on when the ignition is on and go out when the engine is started up. | 
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|---|---|---|---|
| Connect the diagnostic equipment to the diagnostic socket and check the operation of the engine failure warning light through active diagnosis at the engine management node | Move on to Step 2 | 1.The warning light does not come on | 1.Renew the correct wiring See E4010 INSTRUMENT PANEL | |
| 2.The warning light comes on | 2.Replace instrument panel Op. 5560B10 CONTROL PANEL - R+R | |||
| 2 | CORRECT OPERATION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
| petrol engines:Check that the fault is no longer present | End of diagnosis | Fault persists | Replace the engine management control unit Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R | |
| JTD engines:Check that the fault is no longer present | End of diagnosis | Fault persists | Replace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R |