how to test your 4eat rear clutch pack, solenoid, and valve body

[bluedotsnow]

Hi all so I have had some headaches with this and never found a decisive video on how to test the rear lockup system

 

I recently had no rear wheel lock up but no TCU code either so this is what I found and how to test the system for functionality before reinstalling into the car.

 

 

https://www.facebook.com/video.php?v=10154906353260372&l=4129290750931752898