I will be adding to this post when time allows
We will start with the simple stuff
Touch2 Gen 1 (with surround)
Touch2 Gen 2 (one piece)
Access to the service menu.
Press and hold the music or car button and turn the sidelights on and off 3 times - some cars with the touch2 you pull the hand brake up and down 3 times
To access the Hidden Diag Menu from the Service Menu touch the bottom right and left corners 3 times each eg. Right ---- Left,
They are Toyota specific plugs and are a crimp type - gps, buy a used one (86860-0D020)
A pic of the dab socket
I haven't had much luck tracking down these connectors most of Toyota's connectors are oe and made by Sumitomo aka SWS
if you go oem the aerial base needs to be changed as does the cable between the radio and the A pillar
The gps connector is white and looks like this........... (this is NOT a GT5)