| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | M | Ground | Ground point |
| | | |
| 2 | E/A | Communication line data link TXD | Navigation control module |
| | | |
| 3 | E/A | Communication line data link TXDN | Navigation control module |
| | | |
| 4 | E/A | Communication line data link RXDN | Navigation control module |
| | | |
| 5 | E/A | Communication line data link RXD | Navigation control module |
| | | |
| 6 | E | Pulse per second | Navigation control module |
| | | |
| 7 | E | Terminal R | Unloader relay, terminal R |
| | | |
| 8 | E | Terminal 30 voltage supply | Fuse F64 Saloon Fuse F56 Touring |
| | | |
| 9 | | Not used | |
| | | |
| 10 | | Not used | |
| | | |
| 11 | | Not used | |
| | | |
| 12 | | Not used | |
| | | |