| Number | X-pin, colour | Description | 
|---|---|---|
| X10220 | 2 -pin, Black | Plug connector Pressure switch, passenger's lumbar support | 
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|---|---|---|
| 1 | E | Signal, pump | Connector, pump for lumbar support | 
| 2 | A | Signal, pump | Passenger's seat lumbar support motor |