|  |  | Results of the tests | 
| 1 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation | 
|---|
|  | Check
the wiring between Body Computer Node and junction unit  See   E2510  COURTESY LIGHTS | Continue to Step 2 | Wiring broken | Renew the wiring  See   E2510  COURTESY LIGHTS | 
| 2 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation | 
|---|
|  | Check
the electrical continuity of the wiring between junction unit and
front and rear courtesy lights See   E2510  COURTESY LIGHTS | Continue to Step 3 | Wiring broken | Renew the wiring See   E2510  COURTESY LIGHTS | 
| 3 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation | 
|---|
|  | Checking
correct operation of interior lights |  | Lights not working properly | Replace the Body Computer Op. 5505A32Search for the fault starting from another symptom' |