| Number | X-pin, color | Description |
|---|---|---|
| X1309 | 12-pin, Black | Connector Rear multi-information display (MID) |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | M | Ground | Ground splice |
| 2 | E | Terminal 30 voltage supply | Fuse F23 |
| 3 | E | Terminal 58 illumination | Interior lights splice |
| 4 | E/A | I/K-bus signal link | Connector, I/K-bus |
| 5 | Not used | ||
| 6 | Not used | ||
| 7 | Not used | ||
| 8 | E | Voltage supply terminal R | Fuse F44 |
| 8 | Not used | ||
| 10 | Not used | ||
| 11 | Not used | ||
| 12 | Not used | ||