| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Activation, preheater plug cyl. 1 | Heater plug, cylinder 1 |
| | | |
| 2 | A | Activation, preheater plug cyl. 2 | Heater plug, cylinder 2 |
| | | |
| 3 | A | Activation, preheater plug cyl. 3 | Heater plug, cylinder 3 |
| | | |
| 4 | A | Activation, preheater plug cyl. 4 | Heater plug, cylinder 4 |
| | | |
| 5 | E | Voltage supply, engine electronics via main relay | Fuse carrier, engine electronics |
| | | |
| 6 | M | Ground | Digital diesel electronics control unit |
| | | |
| 7 | | Not used | |
| | | |
| 8 | | Not used | |
| | | |
| 9 | | Not used | |
| | | |
| 10 | | Not used | |
| | | |
| 11 | | Not used | |
| | | |
| 12 | E/A | Bi-directional data interface | Digital diesel electronics control unit |
| | | |