| Number | X-pin, color | Description |
|---|---|---|
| X6300 | 9-pin, black | Connector Engine control module relay |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | A | Terminal 87 | Fuse carrier, engine electronics |
| 3 | Not used | ||
| 4 | A | Terminal 85 control | Engine control module (DME) |
| 5 | A | Terminal 87 | Fuse F17 |
| 6 | E | Terminal 30 voltage supply | B+ E-box junction point |
| 7 | Not used | ||
| 8 | Not used | ||
| 9 | Not used | ||