Connector C
| Pin Number |
2006-2008 year 2E0.057.163.E |
2009-2014 years 2E0.057.163.G |
|---|---|---|
| 1 | Telephone NF left, positive | |
| 2 | Telephone NF right, positive | |
| 3 | Telephone NF, negative | |
| 4 | Telephone mute, switching to mute when telephone is used (parallel to pin 3 of multi-pin connector 5) | |
| 6 | CD changer “ON” | N/A |
| 7 | Battery voltage supply, positive | reserved for external device |
| 8 | Digital earth | reserved for external device |
| 9 | CD changer, DATA (exchange of data for dash panel with time display) | reserved for external device |
| 10 | CD changer, CLOCK (internal check protocol for data flow monitoring) | reserved for external device |
| 11 | CD changer “RESET” | reserved for external device |
| 18 | CD changer, left and right channels, audio, negative | Connection for external audio sources, negative |
| 19 | CD changer, left audio channel, positive, CD/L | Left connection for external audio sources, positive |
| 20 | CD changer, right audio channel, positive, CD/R | Right connection for external audio sources, positive |
Connector B
| Pin Number |
Description |
|---|---|
| 1 | Rear right loudspeaker, positive |
| 2 | Rear right loudspeaker, negative |
| 3 | Front right loudspeaker, positive |
| 4 | Front right loudspeaker, negative |
| 5 | Front left loudspeaker, positive |
| 6 | Front left loudspeaker, negative |
| 7 | Rear left loudspeaker, positive |
| 8 | Rear left loudspeaker, negative |
Connector A
| Pin Number |
Description |
|---|---|
| 2 | Self-diagnosis, K-wire in models before 2008, later N/A |
| 3 | Telephone mute, mute switch for telephone operation |
| 4 | Positive voltage supply, terminal 30 |
| 5 | Aerial circuit output and also optionally for auxiliary blower for radio |
| 6 | CAN bus, high |
| 7 | CAN bus, low |
| 8 | Negative voltage supply, terminal 31 |
correct
incorrect