Abbreviations of head unit pinouts
| Pin Notation |
Pin function |
|---|---|
Power pins |
|
| GND, GROUND | Chassis Ground |
| ACC | Ignition powered. +12 V with the ignition key is in the ACC or ON position. |
| LAMP | Backlight illumination |
| 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. |
Audio pins |
|
| FR+ | Front right audio out |
| FL+ | Front left audio out |
| RR+ | Rear right audio out |
| LR+ | Rear left audio out |
| FR-, RF-, FL-, LF-, RR-, LR-, RL- | The corresponding audio ground |


