| Number | X-pin, colour | Description |
|---|---|---|
| X1659 | 13-pin, Black | Plug connector Electronic immobilizer control unit (EWS) |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Terminal 50 | Start relay |
| 2 | E | Terminal 30 | Fuse F114 |
| 3 | Not used | ||
| 4 | A | Signal, antitheft alarm system | DWA connector |
| 5 | A | Signal, ring coil ignition lock | Ring coil |
| 6 | E | Signal, gearshift position L2 | AGS transmission control unit |
| 7 | Not used | ||
| 8 | Not used | ||
| 9 | M | Ground | Ground connector |
| 10 | E | Voltage supply terminal 30 | Fuse F26 |
| 11 | E | Terminal R | Fuse F44 |
| 12 | E | Signal, ring coil ignition lock | Ring coil |
| 13 | E/A | K-bus signal line | Integrated electronic control unit (IKE) |