| Number | X-pin, colour | Description |
|---|---|---|
| X1589 | 9 -pin, Black | Plug connector ZV tank flap relay |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | E | Voltage supply terminal 30 | Fuse F53 |
| 3 | Not used | ||
| 4 | Not used | ||
| 5 | A | Ground | Ground point |
| 6 | E | Locked signal | ZV drive tank flap |
| 7 | Not used | ||
| 8 | E | Central arrest signal | Connector X462, central locking system |
| 9 | A | Unlock signal | Connector X455, central locking system |