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Navigation display is showing wavy lines and making unusual motorboat sounds

MrNoble

Member
Joined
Mar 17, 2025
Messages
9
Have the 2008 Odyssey Ex-L, not sure what's happening about the navigation screen/audio system. Been hearing the low-pitched pulsing sound like a vibration, not the usual alternator whine. This happens when the front fan is at the lowest setting, issue suddenly resolves when fan is turned to a higher setting. The navigation screen also has wavy lines on it and it looks like there are electrical problems. I thought it was an issue with the front power transister and it didn't change at all, but I got this as an aftermarket so maybe that's that? Not sure because the service manual test is showing that it's good. No issue at all. I asked my friends about it but none of them seem to know. Hope you guys check and I hope you guys can help.
 
Sounds like the issue revolves around electrical/wiring system, try unplugging and replugging the fans and/or just replace them. while youre at it, you can also check the voltage regulator.
 
Ok will do. I also think if it is not showing in the manual that it has a problem then maybe there are disconnected wiring or something. But I am not sure. I'll do the plug unplug, if it doesn't work, that's when I take it to the car doctor.
 
Have the 2008 Odyssey Ex-L, not sure what's happening about the navigation screen/audio system. Been hearing the low-pitched pulsing sound like a vibration, not the usual alternator whine. This happens when the front fan is at the lowest setting, issue suddenly resolves when fan is turned to a higher setting. The navigation screen also has wavy lines on it and it looks like there are electrical problems. I thought it was an issue with the front power transister and it didn't change at all, but I got this as an aftermarket so maybe that's that? Not sure because the service manual test is showing that it's good. No issue at all. I asked my friends about it but none of them seem to know. Hope you guys check and I hope you guys can help.
Same thing happened to my car, how is it going, have you checked the wiring? Does it work?
 
Same thing happened to my car, how is it going, have you checked the wiring? Does it work?
Hi there, it has been resolved already. I took it to the dealership and apparently they found loose wires around the fan circuit. They did a total replace of the damaged wires and even the ones possibly damaged just to be sure. I mean this car is a little old so I am really happy my dealership still came to help.
 
Hi there, it has been resolved already. I took it to the dealership and apparently they found loose wires around the fan circuit. They did a total replace of the damaged wires and even the ones possibly damaged just to be sure. I mean this car is a little old so I am really happy my dealership still came to help.

This is great to hear! lucky that your dealership still helped you. mybe i should get mine checked for the wirings too
 
Hi there, it has been resolved already. I took it to the dealership and apparently they found loose wires around the fan circuit. They did a total replace of the damaged wires and even the ones possibly damaged just to be sure. I mean this car is a little old so I am really happy my dealership still came to help.
that's cool, funny how these little problems that may inconsequential end up causing real problems, well kudos to you
 

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