I am working with an arduino to make interface for my steering wheel control. I am aware the make the awsc units but will not do what i exactly want. I have found this link but doesnt seem to have all the option that the avic-z140 can do via remote. Example the Voice activate.

http://www.jvde.net/pioneer_wired_remote/pioneer_wired_remote.htm

Can anyone shed some light?

Thanks

Mike

no one can help?

Does anyone have the the service manual for the unit then?

partial answer here:

http://avic411.com/index.php?/topic/35218-resistance-values/#entry255520