| Number | X-pin, colour | Description |
|---|---|---|
| X16 | 18-pin, black | Plug connector Instrument cluster |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | M | Control unit ground | Ground connector |
| 2 | Not used | ||
| 3 | E | Battery charge indicator lamp signal (terminal 61) | Alternator |
| 4 | E | Oil pressure indicator lamp | Oil pressure switch (M54), Digital diesel electronics control unit (M57) |
| 5 | E | Hand brake indicator lamp | Parking brake switch |
| 6 | Not used | ||
| 7 | E | Terminal 30 | Fuse F43 |
| 8 | E | Night light signal | Light module |
| 9 | Not used | ||
| 10 | Not used | ||
| 11 | Not used | ||
| 12 | Not used | ||
| 13 | E | Airbag indicator lamp | Airbag diagnostic module |
| 14 | Not used | ||
| 15 | E | ABS warning lamp | ABS/DSC control unit |
| 16 | Not used | ||
| 17 | E | Terminal 15 | Fuse F1 |
| 18 | Not used | ||