| Number | X-pin, colour | Description |
|---|---|---|
| X2000 | 12 -pin, Black | Plug connector Glow plug relay |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Power supply | Glow plug, cylinder 6 |
| 2 | A | Power supply | Glow plug, cylinder 5 |
| 3 | A | Power supply | Glow plug, cylinder 4 |
| 4 | Not used | ||
| 5 | M | Terminal 31 | Ground connector |
| 6 | A | Signal, preheater indicator | DDE control unit |
| 7 | A | Power supply | Glow plug, cylinder 3 |
| 8 | A | Power supply | Glow plug, cylinder 2 |
| 9 | A | Power supply | Glow plug, cylinder 1 |
| 10 | Not used | ||
| 11 | E | Signal, preheater | DDE control unit |
| 12 | E | Terminal 87 | Connector, terminal 87 |