| Number | X-pin, color | Description |
|---|---|---|
| X338 | 8-pin, black | Plug connector Tail light, left |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Signal Boot lid light 1 | Central locking drive, trunk lid/tailgate |
| 2 | M | Ground | Ground point |
| 3 | E | Consumer cut-off signal | Connector X10189 |
| 4 | Not used | ||
| 5 | E | Signal, left brake light | Light switching center control unit |
| 6 | E | Rear left turn signal lamp | Light switching center control unit |
| 7 | E | Outer left tail light | Light switching center control unit |
| 8 | E | Outer left tail light | Light switching center control unit |