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<blockquote data-quote="spencertron" data-source="post: 8282997" data-attributes="member: 661851">I have. I&#039;ve tried searching for everything related to it that I can. Seems like the first person to have this problem with the 4runner 15 speaker JBL option. It also seems to be a pretty uncommon problem for touch screen navigation systems in general, so there&#039;s not a lot of info out there.I did notice that my wife had her phone plugged in to the USB port when she drove it up to Utah for a wedding a few weeks ago (when this happened, although she doesn&#039;t recall a specific time when she noticed that it had stopped working) and saw that her phone cord had exposed wiring on the phone-side of the plug. Do you think that there&#039;s enough juice flowing through that cord that it could have grounded and blown/fried something? That&#039;s the only thing I&#039;ve seen that looks at all out of the ordinary. The previous owner said that it never gave him a single problem. Maybe I&#039;ll just bite the bullet and put in an aftermarket unit.</blockquote>

[QUOTE="spencertron, post: 8282997, member: 661851"] I have. I've tried searching for everything related to it that I can. Seems like the first person to have this problem with the 4runner 15 speaker JBL option. It also seems to be a pretty uncommon problem for touch screen navigation systems in general, so there's not a lot of info out there. I did notice that my wife had her phone plugged in to the USB port when she drove it up to Utah for a wedding a few weeks ago (when this happened, although she doesn't recall a specific time when she noticed that it had stopped working) and saw that her phone cord had exposed wiring on the phone-side of the plug. Do you think that there's enough juice flowing through that cord that it could have grounded and blown/fried something? That's the only thing I've seen that looks at all out of the ordinary. The previous owner said that it never gave him a single problem. Maybe I'll just bite the bullet and put in an aftermarket unit. [/QUOTE]

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