I have an avic-n5 and the speed sensor is not working properly. I had it installed for a couple of months and has been working fine. Recently though i got a new engine put into the car and don't know if this could have affected it at all. Here is what i am experiencing:
When i am under the connection status screen, there will be numbers coming from the speed pulse even when i am not moving. Also, when looking at the speed gauge feature, the needle would drop to 0 and then back up to my normal speed and one time is said feature not available at this time. I also got an excessive vibration