Abbreviations of head unit pinouts
| Pin Notation |
Pin function |
|---|---|
Power pins |
|
| Ub | Battery+ (12V direct from Battery). |
| GND, GROUND,COM. | Chassis Ground |
| S-kont | Ignition powered. +12 V with the ignition key is in the ACC or ON position. |
| sun icon | Backlight illumination |
| MUTE | This pin is used to silence the audio, earthed by some other external components that is connected to the radio. |
| GA | This pin is used in some radio equipment to automatically boost up the volume. It needs the output from the speed sensor. |
Audio pins |
|
| RF | Front right audio out |
| LF | Front left audio out |
| RR | Rear right audio out |
| RL | Rear left audio out |
| FR-, RF-, FL-, LF-, RR-, LR-, RL- | The corresponding audio ground |
Misc. pins |
|
| DATA, Clock | Head unit communication |
correct
incorrect