| | Results of the tests |
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect
the diagnostic equipment (Examiner or other instruments) to the
diagnostic socketCheck that there are no errors in the Body Computer | Continue to Step 2 | Fog lights relay short-circuiting to
battery | Restore
the correct connection See E2030 FOG LIGHTS |
| 2 | CHECK INDIVIDUAL LIGHTS | All OK | Problems met | Operation |
|---|
| Check
the condition/insulation of the individual bulbs and lamps | Continue to Step 3 | Left bulb damaged | Replace the bulb Op. 5540B22 |
| Right bulb damaged | Replace the bulb Op. 5540B22 |
| Lamps faulty | Repair or change the front light unit Op. 5540B79 |
| 3 | CHECK FOG LAMP ELECTRIC CIRCUIT | All OK | Problems met | Operation |
|---|
| Check, in order: - front fog lamp fuse;
- fog lights relay;
- engine compartment control unit supply;
- connections between Body Computer and engine compartment
control unit;
- connections between engine compartment control unit and
bulbs;
- connections between Body Computer and fog lights switch;
- bulb earth : See E2030 FOG LIGHTS
| Continue to Step 4 | Component defective | Replace the component involved
(if a fuse is involved, search for the cause of the problem) |
| Connections broken | Restore connections See E2030 FOG LIGHTS |
| 4 | CHECK ON BODY COMPUTER | All OK | Problems met | Operation |
|---|
| Check
that the Body Computer is working properly, in particular the front
fog lamps control function | Continue to Step 5 | Device not working | Replace the Body Computer
Op. 5505A32 |
| 5 | CHECK FOG LAMP SWITCH | All OK | Problems met | Operation |
|---|
| Check
the operation of the fog lights switch See E2030 FOG LIGHTS | Continue to Step 6 | Fog lights switch faulty | Replace the control panel
Op. 5505A24 |
| 6 | CHECK ON 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' |
