3360239 - I21 REAR FOG LAMPS NOT WORKING
 | The rear fog lamps are controlled and tested directly from the Body Computer Node |
| Results of the tests | ||||
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
Connect the Examiner to the tester input and check the body computer for:
| Continue to Step 4 | Error in rear fog lamp bulb | Continue as instructed by the tester | |
| The fog lamp on/off parameter does not change | Continue to Step 2 | |||
| Bulbs do not come on | Continue to Step 4 | |||
| 2 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation |
| Check the continuity of the electrical connection between the exterior lighting control and the Body Computer Node. | Continue to Step 3 | Connection broken | Renew the electrical connections See E2031 REAR FOG LAMPS | |
| 3 | CHECKING REAR FOG LAMP ACTIVATION CONTROL | All OK | Problems met | Operation |
| Check rear fog lamp control operation on the left control panel See Test 5540AA Checking Exterior Lighting Control (C.L.E.) | Continue to Step 4 | Fault in on/off button | Change exterior lighting control panel Op. 5540A20 | |
| 4 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | Fault persists | Replace the Body Computer Op. 5505A32Search for the fault starting from another symptom' | ||