2014 CX-9 Bose Audio wiring pinout?

Does anybody have a headunit pinouts or wiring diagram for CX9 with Bose system?

1. Bluetooth SWC problem: I just installed Atoto A6G209PF and try to figure out how to connect the “Voice, call & end call” swc to work. At the moment only “Volume and Seek” button works.

2. it doesn’t automatically switch to reverse cam when I put CX9 to reverse gear (The factory reverse camera works while using RCAM from Atoto A6), which means I have to tap on screen everytime I need to view reverse cam.

I personally think the Bluetooth SWC and the reverse signal from CX9 was not located correctly with the Aerpro-harness I bought and need to manually figure out where it is.

A wiring diagram or clue to locate the reverse trigger and bluetooth swc would be great. Thank you so much in advance.
 
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