| Number | X-pin, colour | Description |
|---|---|---|
| X1659 | 13-pin, black | Plug connector Electronic immobiliser control unit |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Signal, starter terminal 50 | Starter |
| 2 | E | Signal, terminal 50, ignition lock | Ignition switch |
| 3 | Not used | ||
| 4 | A | EWS enable for engine electronics | Digital motor electronics control unit |
| 5 | A | Signal EWS toroidal coil | EWS toroidal coil |
| 6 | Not used | ||
| 7 | Not used | ||
| 8 | Not used | ||
| 9 | M | Ground | Ground point |
| 10 | E | Terminal 30 | Fuse F67 |
| 11 | E | Terminal R | Fuse F14 |
| 12 | A | Signal EWS toroidal coil | EWS toroidal coil |
| 13 | E/A | K-bus signal | K-bus connector |