Mil warning light does not work
- Make
- Fiat
- Model
- Stilo Factory Service Manual
- Year
- 2001–2007
- Section
- Instrument panel › Mil 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 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
Connect the diagnostic equipment to the diagnostic socket and check the engine control node for:
| Continue to Step 4 | 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 Test 5560BT Check MIL warning light operation | Continue to Step 4 | 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 | Replace instrument panel End of diagnosis | Cable broken | Renew the electrical connections See E4010 INSTRUMENT PANEL | |
| 4 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
1.2 16v 1.6 16v 1.8 16v 2.4 20v | Check that the fault is no longer present | Fault persists | Replace the engine management control unit Op. 1056B82 Search for the fault starting from another symptom' | |
| 1.9 JTD 8v | Check that the fault is no longer present | Fault persists | Replace the engine management control unit Op. 1060G80 Search for the fault starting from another symptom' | |
Parts & tools for this job For 2001 Fiat Stilo
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLSocket setSearch: socket set metric
- BOOKHaynes manualSearch: Haynes manual Fiat Stilo
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