Seat belt unfastened warning light on
- Make
- Fiat
- Model
- 500 Factory Service Manual
- Year
- 2007–2024
- Section
- Instrument panel › Seat belt unfastened warning light on
Fault diagnosisSeat belt unfastened warning light on
SEAT BELT UNFASTENED WARNING LIGHT ON
The warning light remains on even when the driver''s seat belt is fastened.
N.B: The seat belt not fastened warning light is turned on by a command sent via the B-CAN from the "Air Bag Node" to the Body Computer. The latter sends the signal, via the B-CAN, to the Instrument Panel Node.
| Test results | ||||
| 1 | SWITCH CHECK | All OK | Problems encountered | Operation |
|---|---|---|---|---|
| Check the correct operation of the seat belt unfastened warning light switch | Move on to Step 2 | Switch not operating | Replace the lower branch of the belt Op. 7065A14 ANCHORAGE ROD FOR, (ONE), FRONT SEAT BELT LEFT OR RIGHT - R.R. | |
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
| Keeping the diagnostic equipment connected, check for faults at the AIR BAG NODE | Move on to Step 3 | 1. Air bag control unit defective 2. Presence of faults | 1. Replace the Air Bag control unit 2. Continue as instructed by the diagnostic equipment | |
| 3 | ACTIVE DIAGNOSIS CHECK | All OK | Problems encountered | Operation |
| With the Examiner in Instrument Panel Node mode check that the seat belt unfastened warning light is correctly activated in Active Diagnosis | End of diagnosis | The seat belt warning light does not flash | Replace the Instrument Panel. | |
Parts & tools for this job For 2007 Fiat 500
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