Vito w447 not crank terminal 15 not power

You must go backwards from Gearbox feed, If there is 0V then check fuse "227" in K40/10 (Engine compartment)
If the fuse is ok, then measure if you have Circuit 15 (12v) there, if not, then locate Circuit 15 relay "R"
and measure Circuit 30 (12v) on leg "30" and 12v on leg "86" from SAM.
If this Circuit 15 Relay "R" is not not working a lot of electronics would not work.

Hi and
Thanks friend for you great help   
Have 0 v in plug gearbox right ( gearbox  is supply by terminal 15 …terminal 15 supply « fan » too right but same 0 volt to small wire in fan motor….for that it’s terminal 15 problem all component supply with terminal 15 = 0 v 
that car put me crazy…fuse + relay on sam for gearbox = 0 v not power… 
Circuit 15 relay R ( K) find not power same :/

Great thanks again for you great help
Best Regards