There are more electronic relays within it, i didnt open one to explore but as long as there is power on those pins the problem should be inside, that's in the user guide about those inputs:
· BCU switch power: This is the supply voltage as...
i have +12v on al three, 1,3 and 13. Radio is working.
I guees i have to find a new BCU then.
i´m just curious if it´s just a relay inside BCU that is broken?
Best regards
The car won´t crank. Giving M+S flashing and gear position is flickering. Also get Code P0705 position switch monitoring. The feed to xyz switch from BCU C663/10 is 0v.
Disconected xyx switch and measured all contacts, seams to be OK.
In Nanocom...