Seat belt unfastened warning light on
- Make
- Lancia
- Model
- Ypsilon Factory Service Manual
- Year
- 2003–2011
- 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 with the driver's seat belt fastened.
The seat belt unfastened warning light is turned on by a direct earth control between the switch and the Instrument Panel Node.
| Results of the tests | ||||
| 1 | ELECTRICAL CIRCUIT CHECK | All OK | Problems met | Operation |
|---|---|---|---|---|
Check, in order:
| Continue to Step 2 | Wiring not insulated to earth | Restore the correct connections | |
| Switch earth not working properly | Repair the earth contact | |||
| 2 | SWITCH CHECK | All OK | Problems met | Operation |
| Check that the seat belt not fastened warning light switch is working properly | Continue to Step 3 | Switch not working | Replace the lower belt branch Op. 7065A14 | |
| 3 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists | Replace instrument panelOp. 5560B11 | |
Parts & tools for this job For 2003 Lancia Ypsilon
- TOOLOBD2 scanner with SRSSearch: OBD2 scanner ABS SRS
- TOOLTrim removal tool kitSearch: trim removal tool kit
Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.