| Number | X-pin, colour | Description | 
|---|---|---|
| X651 | 6 -pin, Yellow | Plug connector Driver's seat heating switch | 
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|---|---|---|
| 1 | E | Night light signal | Connector, night lights | 
| 2 | A | NTC signal | Driver's seat heating | 
| 3 | E | Terminal 15 | Fuse F32 | 
| 4 | M | Ground | Ground connector | 
| 5 | A | Signal, seat heating on | Driver's seat heating | 
| 6 | Not used | ||