I have a 2gen 2004 with 82k miles on it. The navi was from 2004. Could not find my home address and so many other places. Last night i searched on 'pb' and someone has put 12.1 for 04-05 2nd gen prius. Downloaded and used image burner to burn it on a 8gb dvd+rw dl. I searched so much to change the book type on dvd-rw but could not make it and so i burnt it like that. To my surprise it worked just fine.
Now i have 12.1 maps and one thing less to think of. I still have some rattle noise like something is loose, when i drive in small bumps or rough road, and it sounds like when you shake a bunch of metallic keys or something metallic shaking, coming mostly from my right side. Any idea about this? A.friend. was inspired by you post and found the 12.1 ISO for the Gen5 nav unit (Prius 2008). They knew the later model gen2 prius (200x - 2009) are unique in rejecting burned disks.
Other Toyota and Lexus cars that use the same Gen5 nav system don't complain about burned disks, but the Prius does. Previous testing showed a 2008 Prius accepted a burned copy of the v7.1 disk (the original was put away for safe keeping). It was postulated that the LOADING.KWI file was responsible for the firmware that rejects burned disks, so an attempt was made to try a v12.1 disk with a v7.1 LOADING.KWI file. Since the car already had v7.1 firmware it was expected it would just work with the same firmware but the new maps.
Unfortunately, it gave an error message saying the DVD was bad or not present (or something like that). The old (burned) v7.1 disk was but back in and everything worked again. Read them over. Seems like maybe I need to try to download a newer version (I think I have 10 on my DVD) and replace the LOADING.KWI with the one from the current DVD that is in there. We shall see.
Here you can easily find and purchase the latest Map Update for your Toyota Navigation System. To help us identify the correct update for your system. Amazon.com: toyota navigation dvd. 2017 Toyota/Lexus Navigation DVD Gen 5 U41 16.1 Map GPS Update. $14.90 (2 used & new offers) 2.3 out of 5 stars 13.
12.1 navigation dvd. Discussion in 'Gen 2 Prius Audio and Electronics' started by hormosapiens, Jul 21, 2013. Toyota-Lexus GEN5 Nav v11.1 Released on usenet.
I kept it on all trying to update while I was picking up the kids from daycare (left the car on and all), and then drove home. It was about a 45 minute trip or so. When I got home it still said the same thing. I'll re-download and re-burn and see what I come up with. Even if I keep screwing it up I am only out time and $15.
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