Mil warning light does not work
- Make
- Lancia
- Model
- Ypsilon Factory Service Manual
- Year
- 2003–2011
- Section
- Instrument panel › Mil warning light does not work
Fault diagnosisMil warning light does not work
MIL WARNING LIGHT DOES NOT WORK
With key on, the MIL warning light does not come on;
The MIL warning light is turned on via a direct earth control supplied by the engine control node. When everything is working normall, the MIL warning light should come on with the ignition on and go out once the engine has started;
| Results of the tests | ||||
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
| Connect the diagnostic equipment to the diagnostic socket and check the operation of the MIL warning light at the engine management node through active diagnosis. | Continue to Step 5 | The warning light does not come on | Continue to Step 2 | |
| 2 | CHECKING WARNING LIGHT OPERATION | All OK | Problems met | Operation |
| Check that the MIL warning light is working See E4010 INSTRUMENT PANEL | Continue to Step 5 | The warning light does not come on | Continue to Step 3 | |
| 3 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation |
| Check the continuity and the insulation of the wires between the engine control node and the instrument panel node. See E4010 INSTRUMENT PANEL | Continue to Step 4 | Cable broken | Renew the electrical connections See E4010 INSTRUMENT PANEL | |
| 4 | INSTRUMENT PANEL REPLACEMENT | All OK | Problems met | Operation |
| Replace instrument panel Op. 5560B11 | End of diagnosis | |||
| 5 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
1.2 8v 1.2 16v 1.4 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 | Check that the fault is no longer present | End of diagnosis | Fault persists | Replace the engine management control unit Op. 1056G80 |
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