| Number | X-pin, colour | Description |
|---|---|---|
| X643 | 6-pin, black | Plug connector Sunroof control switch (SHD) |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | E | Signal Locator lighting | Light switching centre control unit |
| 3 | E | Sunroof Lift | Sunroof module control unit |
| 4 | E | Battery charge indicator lamp Up | Sunroof module control unit |
| 5 | E | Battery charge indicator lamp Closed | Sunroof module control unit |
| 6 | M | Ground | Sunroof module control unit |