I'm not sure, i had it installed by an authorized reseller shop. I pulled off some of the dash to try to get a look at it, but didnt want to completly disassemble it. Laziness and it was 112 out. I think it is the aux wiring though since i can play audio through the same wire just fine. I put in a support request to pioneer and they just gave me the support line number and said best to call it in. So i will give that a shot.
With both my onkyo and the pioneer model, i cant get it to start the test. It immediately throws that error when you hit Start.
Thanks for the suggestions, I'll up