2014 scion radio questions AUX
 

On the 2013 bespoke the aux port only works as video feed for the iOS app, but on the 2013 base unit it works as aux for music. How does this work on the 2014 touchscreen base (no bespoke crap)?

I need aux for my build and not having it is a huge problem

Here is the product to activate the video input. It will add a new menu item on your touch screen called "VTR"
http://www.beatsonicusa.com/avc39.html

You will also need the TVK-61 to tell the headunit that the parking brake is connected and engaged. From the factory, there is no wire telling the headunit about the state of the parking brake. Without this, the screen will only show black.
http://www.beatsonicusa.com/beatsonic-tvk-61.html

This should be the solution for you