|  |  | Results of the tests | 
| 1 | CHECKING FOG LAMP BULB CONDITION | All OK | Problems met | Operation | 
|---|
|  | Check
the condition of the fog lamp bulb | Continue to Step 2 | Check the condition of
the fog lamp bulb | Change the bulb  Op. 5540D14 | 
| 2 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation | 
|---|
|  | Check
the continuity of the electrical connection between the connection
on the engine bay control unit and fog lamp bulb   See   E2030  FOG LIGHTS | Continue to Step 3 | Connection broken | Renew the electrical connections  See   E2030  FOG LIGHTS | 
| 3 | CHECKING ENGINE BAY CONTROL UNIT
INTERNAL ELECTRICAL CIRCUIT | All OK | Problems met | Operation | 
|---|
|  | Check
internal continuity of the engine bay control unit (power circuit)  See   E2030  FOG LIGHTS | Continue to Step 4 | Connection o.c. in engine
bay control unit | Change engine bay junction unit Op. 5505A13 | 
| 4 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation | 
|---|
|  | Check
that the fault is no longer present |  | Fault persists | Search for the fault starting from another symptom' |