| Number | X-pin, colour | Description | 
|---|---|---|
| X732 | 3 -pin, Black | Plug connector Driver's backrest heating | 
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|---|---|---|
| 1 | Not used | ||
| 2 | M | Ground | Ground connector | 
| 3 | E | Signal, backrest heating on | Driver's seat heating switch |