This is a CANBUS connector for upgrade your car head unit to branded aftermarket one to read the factory function like steering remote control, factory camera.

This CANBUS system is work with most of the premium vehicle that is running CANBUS included new Honda, KIA, Nissan and most of the western country vehicle.

 

Picture above is Nissan X-Trail T32 upgraded to Kenwood Player + CANBUS socket to read the Nissan factory all view camera system.