Airbag failure warning light on
- Make
- Fiat
- Model
- Multipla Factory Service Manual
- Year
- 1998–2010
- Section
- Instrument panel › Airbag failure warning light on
AIRBAG FAILURE WARNING LIGHT ON
During starting, the air bag failure warning light comes on and remains on for more than 4 seconds. (after carrying out the initial control unit test, the warning light should go out, ...)
In the case of an impact which has cause the system to be activated, the warning light stays on The control unit memory cannot be cleared, so the control unit must always be replaced.
If the vehicle is not fitted with an Air Bag, a specific bridge is located on the back of the instrument, against the symbol indicating the relevant system: the warning light will stay on permanently if this missing.
| Results of the tests | ||||
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket Check:
| Continue to Step 2 | An error is detected in the control unit | Continue according to the instructions for the diagnostic equipment | |
| Lack of dialogue with the control unit | Restore the connection between Air Bag control unit and diagnostic connector ( See E7030 AIRBAG) | |||
| 2 | CHECK INSTRUMENT POWER SUPPLY | All OK | Problems met | Operation |
The air bag warning light is fitted with an interior circuit that monitors the connection between warning light and control unit. Check the connection betwen air bag control unit and instrument ( See E7030 AIRBAG). | Continue to Step 3 | Connections not correct | Restore the connections | |
| Instrument not working | Change the instrument Op. 5560B10 | |||
| 3 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists | Search for the fault starting from another symptom' | |
Parts & tools for this job For 1998 Fiat Multipla
- TOOLOBD2 scanner with SRSSearch: OBD2 scanner ABS SRS
- TOOLTrim removal tool kitSearch: trim removal tool kit
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