Quote:
Originally Posted by nyceshirtz
has anyone made a 5.1 navi disc with the 7.1 data? it appears all the above threads reference the navi 7.1 but no one states whether they used the original 7.1 disc or a 5.1 disc combined with the 7.1 datafiles. i dont think that toyota would completely remove the service menu as techs in the field would have a legitimate requirement to operate the nav while a vehicle is in motion to troubleshoot and/or try to recreate a reported problem.
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bumping an old one here...
I have made a disc with 7.1 data and the 5.1 system. It does work, but you will need to use a good quality DVD+R DL disc. it took me 4 brands before I found one that would work reliably.