| Number | X-pin, colour | Description |
|---|---|---|
| X1492 | 2-pin, bordeaux | Plug connector Coil spring |
| X01031 | 2-pin, bordeaux | Plug connector Coil spring |
| X10170 | 10-pin, green | Plug connector Coil spring |
| X01027 | 6-pin, black | Plug connector Coil spring |
| X01026 | 4-pin, white | Plug connector Coil spring |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | M | Ground | Ground point |
| 2 | E | Voltage supply, terminal 15 | Fuse F34 |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | M | Ground | Steering wheel heating control unit |
| 2 | A | Voltage supply, terminal 15 | Steering wheel heating control unit |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | E | Ignition circuit, driver's airbag | Airbag diagnostic module |
| 3 | E | Ignition circuit, driver's airbag | Airbag diagnostic module |
| 4 | E | Ignition circuit, driver's airbag | Airbag diagnostic module |
| 5 | E | Ignition circuit, driver's airbag | Airbag diagnostic module |
| 6 | E | Horn signal | Horn relay |
| 7 | M | Ground | Ground point |
| 8 | A | Vehicle speed control signal | DME control unit Digital diesel electronics control unit |
| 9 | E/A | I-bus signal line | I-bus connector |
| 10 | E | Voltage supply terminal R | Fuse F44 |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Ignition circuit, driver's airbag | Driver's airbag gas generator |
| 2 | A | Ignition circuit, driver's airbag | Driver's airbag gas generator |
| 3 | A | Ignition circuit, driver's airbag | Driver's airbag gas generator |
| 4 | A | Ignition circuit, driver's airbag | Driver's airbag gas generator |
| 5 | A | Horn signal | Horn switch |
| 6 | M | Ground | Horn switch |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | M | Ground | Multifunction steering wheel |
| 2 | E | Vehicle speed control signal | Multifunction steering wheel |
| 3 | E/A | I-bus signal line | Multifunction steering wheel |
| 4 | A | Voltage supply terminal R | Multifunction steering wheel |