| Number | X-pin, color | Description |
|---|---|---|
| X887 | 5-pin, black | Connector Driver's door module |
| X1128 | 12-pin, black | Connector Driver's door module |
| X1129 | 18-pin, black | Connector Driver's door module |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Terminal 30 | Fuse F20 |
| 2 | M | Control module ground | Ground splice |
| 3 | Not used | ||
| 4 | A | Power window motor signal: close | Driver's window motor |
| 5 | A | Power window motor signal: open | Driver's window motor |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Mirror adjustment | Driver's side mirror |
| 2 | A | Outside mirror drive signal | Driver's side mirror |
| 3 | A | Mirror fold-in | Driver's side mirror |
| 4 | A | Mirror hinged in signal | Driver's side mirror |
| 5 | A | Outside mirror drive signal | Driver's side mirror |
| 6 | A | Power Mirror heating | Driver's side mirror |
| 7 | M | Mirror heater potentiometer ground | Driver's side mirror |
| 8 | M | Microswitch ground supply | Driver's side mirror |
| 9 | E | Mirror adjustment | Driver's side mirror |
| 10 | A | Mirror fold-in | Driver's side mirror |
| 11 | A | Mirror adjustment | Driver's side mirror |
| 12 | M | Ground Mirror fold-in | Driver's side mirror |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E/A | P-bus signal line | P-bus splice |
| 2 | E | Lighting | Lighting, door opener, front |
| 3 | A | Unlock motor signal | Central locking drive, driver's door |
| 4 | A | Lock motor signal | Central locking drive, driver's door |
| 5 | Not used | ||
| 6 | A | Central lock (ZV) | Central locking drive, driver's door |
| 7 | A | Central arrest (ZV) | Central locking drive, driver's door |
| 8 | A | Lighting | Lighting, door opener, front |
| 9 | E | Pressure-sensitive finger guard system signal | Driver's side pressure-sensitive finger guard |
| 10 | Not used | ||
| 11 | E | Driver's door contact signal | Central locking drive, driver's door |
| 12 | A | Central unlock (ZV) | Central locking drive, driver's door |
| 13 | Not used | ||
| 14 | Not used | ||
| 15 | Not used | ||
| 16 | Not used | ||
| 17 | Not used | ||
| 18 | Not used | ||