| | 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 unit Op. 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. 5550D15Search
for the fault starting from another symptom' |
