| Pin Number |
Function |
|---|---|
| 1 | Right rear speaker, positive |
| 2 | Right front speaker, positive |
| 3 | Left front speaker, positive |
| 4 | Left rear speaker, positive |
| 5 | Right rear speaker, negative |
| 6 | Right front speaker, negative |
| 7 | Left front speaker, negative |
| 8 | Left rear speaker, negative |
| 9 | CAN high |
| 10 | CAN low |
| 11 | Supply voltage supply, connected, positive |
| 12 | Negative connection, terminal 31 |
| 13 | CAN-Bus display, negative |
| 14 | CAN-Bus display, positive |
| 15 | Positive connection, terminal 30 |
| 16 | Antitheft system control signal, SAFE |
12 pin connector C
| Pin Number |
Function |
|---|---|
| 1 | Microphone input, negative |
| 2 | AUX output, audio, right positive |
| 3 | AUX output, audio, negative |
| 4 | Microphone output, negative |
| 5 | Left telephone LF signal input, negative |
| 6 | Right telephone LF signal input, negative |
| 7 | Microphone input, positive |
| 8 | AUX output, audio, left positive |
| 9 | Microphone output, positive |
| 10 | Telephone mute |
| 11 | Telephone LF signal input, left positive |
| 12 | Telephone LF signal input, right positive |
12 pin B connector
| Pin Number |
Function |
|---|---|
| 1 | AUX input, audio, left positive |
| 2 | AUX input, audio, negative |
| 3 | CD changer, audio, negative |
| 4 | CD changer, voltage supply, positive |
| 5 | n/a |
| 6 | CD changer, data out bus |
| 7 | AUX input, audio, right positive |
| 8 | CD changer, left port audio, positive |
| 9 | CD changer, right port audio, positive |
| 10 | CD Changer, control signal |
| 11 | CD changer, data in bus |
| 12 | CD changer, clock bus |
| Pin Notation |
Pin function |
|---|---|
Power pins |
|
| +Ub | Battery+ (12V direct from Battery). |
| GND, GROUND | Chassis Ground |
Audio pins |
|
| FR+ or RF+ | Front right speaker out |
| FL+ or LF+ | Front left speaker out |
| RR+ | Rear right speaker out |
| LR+ or RL+ | Rear left speaker out |
| FR- or RF-, FL- or LF-, RR-, LR- or RL-, SGND | The corresponding speaker ground |
| IN-R, IN-L | Audio line out |
| LINE IN | Audio line in |
Misc. pins |
|
| PHONE MUTE | This pin is used to silence the audio, earthed by some other external components that is connected to the radio. |
| CAN-, CAN+ | CAN on board diagnostic bus |




