Head unit pinout abbreviations meaning
| Pin Notation | Pin function | 
|---|---|
| Power pins | |
| Ub+ | Battery+ (12V direct from Battery). | 
| GND, GROUND | Chassis Ground | 
| S-kont | Ignition powered. +12 V with the ignition key is in the ACC or ON position. | 
| ILL, LAMP, Lume, iLLUM | Backlight illumination | 
| ANT+, P.ANT, ANT | Power for Electric Antenna. Output +12 V (maximum 150 - 300mA) | 
| 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. | 
| __/ +--- | Switched power out | 
| Audio pins | |
| RF | Front right speaker out | 
| LF | Front left speaker out | 
| RR | Rear right speaker out | 
| RL | Rear left speaker out | 
| COM | The corresponding speaker ground | 
| LINE OUT, LINE-OUT LF, LINE-OUT RF | Audio line out | 
| Misc. pins | |
| Amp | Amplifier control | 
| DATA, Clock | Head unit communication | 
| CAN-L, CAN-H | CAN bus | 




 correct
correct incorrect
incorrect