| Number | X-pin, colour | Description | 
|---|---|---|
| X2231 | 2 -pin, Black | Plug connector Electrical changeover valve, engine mount | 
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|---|---|---|
| 1 | E | Engine mount damping control | DDE control unit | 
| 2 | E | Terminal 87 | Connector, terminal 87 |