Centre brake light ("third brake light") not working
- Make
- Fiat
- Model
- Stilo Factory Service Manual
- Year
- 2001–2007
- Section
- Lights › Centre brake light ("third brake light") not working
Fault diagnosisCentre brake light ("third brake light") not working
CENTRE BRAKE LIGHT ("THIRD BRAKE LIGHT") NOT WORKING
The third brake light is activated directly from the brake light
| Results of the tests | ||||
| 1 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
| Checking the efficiency of the third brake light earth See E2021 BRAKE LIGHTS | Continue to Step 2 | Faulty earth | Repair the earth See E2021 BRAKE LIGHTS | |
| 2 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation |
| Check the continuity of the connection between the third brake light and the facia control unit See E2021 BRAKE LIGHTS | Continue to Step 3 | Connection broken | Restore the electrical system See E2021 BRAKE LIGHTS | |
| 3 | CHECKING FACIA CONTROL UNIT | All OK | Problems met | Operation |
| Check the continuity of the facia control unit internal circuit See E2021 BRAKE LIGHTS | Continue to Step 4 | Facia control unit circuit broken | Change the facia junction unitOp. 5505A10 | |
| 4 | CHECKING CONNECTION ON THIRD BRAKE LIGHT | All OK | Problems met | Operation |
| Check the correct position of the wiring in the connector | Continue to Step 5 | Wiring position incorrect | Fit wires in the correct position | |
| 5 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
| Check the third brake light comes on | Does not come on | Change third brake light Op. 5550D15 Search for the fault starting from another symptom' | ||
Parts & tools for this job For 2001 Fiat Stilo
- PARTBrake padsSearch: Fiat Stilo 2001 brake pads
- TOOLBrake bleeder kitSearch: one man brake bleeder kit
- FLUIDBrake fluidSearch: brake fluid
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