| Number | X-pin, colour | Description |
|---|---|---|
| X1312 | 18-pin, yellow | Plug connector Navigation control unit |
| X1313 | 18-pin, blue | Plug connector Navigation control unit |
| X01173 | 2-pin, metal | Plug connector Navigation control unit |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Reversing light signal | Light module |
| 2 | Not used | ||
| 3 | E | Not used | |
| 4 | Not used | ||
| 5 | Not used | ||
| 6 | Not used | ||
| 7 | Not used | ||
| 8 | Not used | ||
| 9 | Not used | ||
| 10 | E | Signal, left wheel speed | ABS/DSC control unit |
| 11 | Not used | ||
| 12 | A | Siemens internal | Basic interface, telephone |
| 13 | A | Siemens internal | Basic interface, telephone |
| 14 | A | Siemens internal | Basic interface, telephone |
| 15 | M | Shield | Basic interface, telephone |
| 16 | A | Siemens internal | Basic interface, telephone |
| 17 | Not used | ||
| 18 | Not used | ||
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Voltage supply terminal 30 | Fuse F72 |
| 2 | Not used | ||
| 3 | E/A | I-bus signal line | I-bus connector |
| 4 | E | Navigation video signal, red | Video module |
| 5 | Not used | ||
| 6 | Not used | ||
| 7 | Not used | ||
| 8 | E | Navigation video signal, green | Video module |
| 9 | A | Audio signal AF+ | Radio |
| 10 | M | Ground | Ground connector |
| 11 | Not used | ||
| 12 | Not used | ||
| 13 | E | Navigation video signal, blue | Video module |
| 14 | Not used | ||
| 15 | M | Shield | Video module |
| 16 | Not used | ||
| 17 | E | Synchronisation signal | Video module |
| 18 | M | Audio signal AF- | Radio |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Antenna signal | GPS antenna |
| 2 | M | Shield | GPS antenna |