Brake lights and third brake light not working
- Make
- Fiat
- Model
- Stilo Factory Service Manual
- Year
- 2001–2007
- Section
- Lights › Brake lights and third brake light not working
Fault diagnosisBrake lights and third brake light not working
BRAKE LIGHTS AND THIRD BRAKE LIGHT NOT WORKING
The side brake lights are activated by the Body Computer Node controlled by the brake switch The third brake light is activated directly by the switch
| Results of the tests | ||||
| 1 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
| Checking wiring continuity between facia control unit and brake switch See E2021 BRAKE LIGHTS | Continue to Step 2 | Wiring break | Renew the wiring See E2021 BRAKE LIGHTS | |
| 2 | CHECKING CONTROL SWITCH | All OK | Problems met | Operation |
| Check the operation of the brake switch by carrying out a test See Test 5550DA Checking switch operation on brake pedal | Continue to Step 3 | Switch broken | Replace switch Op. 5550D14 | |
| 3 | CHECKING FACIA CONTROL UNIT | All OK | Problems met | Operation |
| Checking continuity of the facia control unit interior circuit See E2021 BRAKE LIGHTS | Continue to Step 4 | Facia control unit circuit broken | Change the facia junction unit Op. 5505A10 | |
| 4 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
| Check that all the brake lights come on | Fault persists | 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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