| Number | X-pin, colour | Description |
|---|---|---|
| X1312 | 18-pin, yellow | Plug connector Navigation computer |
| X1313 | 18-pin, yellow | Plug connector Navigation computer |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Signal Reversing light switch | Connector Reversing light switch |
| 2 | Not used | ||
| 3 | E | Terminal R | Fuse F7 |
| 4 | Not used | ||
| 5 | Not used | ||
| 6 | Not used | ||
| 7 | A | Signal NAV-bus | On-board monitor control unit |
| 8 | E | GPS Diagnostic link TXD | GPS receiver |
| 9 | E | GPS Diagnostic link RXD | GPS receiver |
| 10 | E | Signal Processed wheel speed, rear left | ABS/ASC unit ABS/DSC unit |
| 11 | E | Signal Processed wheel speed, rear right | ABS/DSC unit |
| 12 | Not used | ||
| 13 | Not used | ||
| 14 | Not used | ||
| 15 | Not used | ||
| 16 | E | Signal GPS receiver | GPS receiver |
| 17 | E | GPS Diagnostic link TXDN | GPS receiver |
| 18 | E | GPS Diagnostic link RXDN | GPS receiver |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Terminal 30 | Fuse F41 |
| 2 | Not used | ||
| 3 | E/A | K-bus signal | K-bus connector |
| 4 | Not used | ||
| 5 | Not used | ||
| 6 | Not used | ||
| 7 | Not used | ||
| 8 | Not used | ||
| 9 | A | Positive activation Radio control unit | Radio control unit |
| 10 | M | Ground | Ground point |
| 11 | Not used | ||
| 12 | Not used | ||
| 13 | Not used | ||
| 14 | Not used | ||
| 15 | Not used | ||
| 16 | Not used | ||
| 17 | Not used | ||
| 18 | A | Negative activation Radio control unit | Radio control unit |