| Number | X-pin, colour | Description |
|---|---|---|
| X1578 | 9 -pin, Black | Plug connector Rear compartment blower relay |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | E | Voltage supply terminal 30 | Fuse F61 |
| 3 | Not used | ||
| 4 | E | Voltage supply, terminal 15 | Fuse F68 |
| 5 | Not used | ||
| 6 | A | Terminal 87 | Rear compartment blower motor |
| 7 | Not used | ||
| 8 | M | Ground | Ground point |
| 9 | Not used | ||