| Number | X-pin, colour | Description |
|---|---|---|
| X316 | 6 -pin, Black | Plug connector Switch block, driver's door |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Terminal 30 | Fuse F31 |
| 2 | Not used | ||
| 3 | E/A | P-bus signal line | P-bus connector |
| 4 | E | Night light signal | Connector, night lights |
| 5 | E | Night light signal | Memory switch |
| 6 | M | Ground | Ground connector |