| Number | X-pin, colour | Description | 
|---|---|---|
| X504 | 4 -pin, Black | Plug connector Fog light switch | 
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|---|---|---|
| 1 | M | Ground | Ground point | 
| 2 | E | Night light signal | Light module | 
| 3 | A | Signal, rear fog light ON | Light module | 
| 4 | A | Signal, rear fog lights ON | Light module |