Centre brake light (third brake light) not working
- Make
- Fiat
- Model
- Grande Punto Factory Service Manual
- Year
- 2005–2012
- 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 by the Body Computer
| Test results | ||||
| 1 | ELECTRICAL SYSTEM CHECK | All OK | Problems encountered | Operation |
|---|---|---|---|---|
Check the third brake light earth is efficient | Move on to Step 2 | Earth inefficient | Renew earth | |
| 2 | ELECTRICAL SYSTEM CHECK | All OK | Problems encountered | Operation |
Check the continuity of the connection between the third brake light and the Body Computer | Move on to Step 3 | Connection broken | Restore the electrical system | |
| 3 | CHECK ON CONNECTION AT THIRD BRAKE LIGHT | All OK | Problems encountered | Operation |
| Check that the cables are correctly positioned in the connector | Move on to Step 4 | Cables incorrectly positioned | Fit the cables in the correct position | |
| 4 | CHECK ON CORRECT OPERATION | All OK | Problems encountered | Operation |
| Check that the third brake light comes on | End of diagnosis | It does not come on | Replace the third brake light | |
| 5 | CHECK ON CORRECT OPERATION | All OK | Problems encountered | Operation |
| Check that the third brake light comes on | End of diagnosis | Fault persists | Replace body computer | |
Parts & tools for this job For 2005 Fiat Grande Punto
- PARTBrake padsSearch: Fiat Grande Punto 2005 brake pads
- TOOLBrake bleeder kitSearch: one man brake bleeder kit
- FLUIDBrake fluidSearch: brake fluid
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