Vito w447 not crank terminal 15 not power

Hello 
Have big headache with w447 terminal 15 0v , not crank…

Gearbox not communication 
Have check fuse for gearbox 0 v and relay gearbox not power 0  ( is terminal 15 supply voltage )

Have see all line terminal 15 exemple wire in fan normaly have 12 v but have 0 volt in my…
For that problem is terminal 15 I think wire dead enter ECU MOTOR AND GEARBOX 
who have find same problem 

Help is welcome
https://ibb.co/0rZfp4F

https://ibb.co/6v3FCPK
Some dtc picture attached

Hi MHH Friend look under the right sit there is an big fuesbox mit many fuses from 50 to 300 amp  i hope there is your problem 

wen was helpful th an rep

Br Tks12