Here is an image of the HU that might help...uploaded to
http://i44.photobucket.com/albums/f36/nissanJazz/leafHU%202_zpscyqjzmn8.jpg
and
http://s44.photobucket.com/user/nissanJazz/media/leafHU%201_zpszpazmybq.jpg.html?sort=3&o=1
Hi. I've just started to replace the factory radio with a pioneer AVIC F950DAB. However I have a 2014 leaf (low spec) with nav upgrade, which in fact is a connect 2 Head unit (Nissan part number 259 153VU0A).
The schematic earlier in this post of a 2013 leaf has three audio set-ups, but...