GermanWhip
Active Member
- Joined
- Mar 20, 2015
- Messages
- 32
- Reaction score
- 4
- Your Mercedes
- 09' C220 CDI Sport
Hi all
Does anyone have a wiring diagram for the Audio 20 aps in the w204. I am trying to diagnose a fault where the symptoms are no screen and comand wheel doesn't work. Radio does work however.
Poked around a little and noticed that the signal wires to the comand controller are only seeing ~3 to 4v which seems a little low. However if i short 12v to one of the signal wires on the comand controller, everything works perfectly. As soon as I remove it, screen and comand wheel go off.
I'm thinking there's a voltage drop somewhere in the circuit but don't know where!
Any help would be much appreciated!
Thanks.
Does anyone have a wiring diagram for the Audio 20 aps in the w204. I am trying to diagnose a fault where the symptoms are no screen and comand wheel doesn't work. Radio does work however.
Poked around a little and noticed that the signal wires to the comand controller are only seeing ~3 to 4v which seems a little low. However if i short 12v to one of the signal wires on the comand controller, everything works perfectly. As soon as I remove it, screen and comand wheel go off.
I'm thinking there's a voltage drop somewhere in the circuit but don't know where!
Any help would be much appreciated!
Thanks.
