| Number | X-pin, colour | Description |
|---|---|---|
| X2898 | 9-pin, Black | Plug connector Relay, transceiver |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | A | Signal, terminal 87 | Noise suppression coil, transceiver |
| 3 | Not used | ||
| 4 | E | Signal, terminal 85 | Radio switch |
| 5 | Not used | ||
| 6 | E | Voltage supply terminal 30 | Fuse F63 |
| 7 | Not used | ||
| 8 | M | Ground | Ground connector X219 Ground connector X3190 |
| 9 | Not used | ||