| Number | X-pin, colour | Description |
|---|---|---|
| X10170 | 3 -pin, Natural | Plug connector Horn switch |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | M | Multifunction steering wheel ground connection | Multifunction steering wheel control unit |
| 2 | E | Multifunction steering wheel voltage supply | Multifunction steering wheel control unit |
| 3 | A | Multifunction steering wheel signal line | Multifunction steering wheel control unit |
| 4 | E | Night light signal | Connector, night lights |
| 5 | Not used | ||
| 6 | E | Horn signal | Horn relay |