SOURCE: My 2010 Lexus RX350 Navigation System is responding VERY SLOW!
If Lexus can't fix this there is nothing anyone here can do for it. Anything that can be done needs the proper scanning and reprogramming equipment only Lexus has. Being that the car is new when enough people complain about this they will come up with a fix, Their may be a recall on it in the future. But for now your going to have to live with it or trade the car in. I know you did'nt want to hear this but but if some yahoo directs you wrong it will cost you hundreds just to get the programming back to the way it is today. Some navigation systems if you disconnect the battery you will have to go to the dealer to get them to reprogram it. Use lots of caution when guessing. New cars are not made for the average back yard mechanic to touch.
SOURCE: lexus rx300 radio wont turn on and the display
take it out and check that it has 2 feeds and the earth is ok
SOURCE: I have a 2004 lexus
Hi,, Yes all the problems are linked, They are all controlled by the same power supply, or the ACC (accessory) supply unit. This is just a fancy way of saying a fuse and a relay. Now there are 2 fuses , 1 in the kick panel under the dash by the drivers side, and the second is in the fuse box under the hood. the relay is in the fuse box under the hood. from what your describing, seems like of of them has run slack and shorting out.
thats it for now,, that should solve your problem however its not the only possible cause just simply the most likely, remember i aint on the spot so you are my eyes and ears, if this doesn't work respond and we'll try another approach.. which we'll call my second best guess.
SOURCE: MY BUILT IN NAVIGATION SYSTEM IN MY 2007 LEXUS
Hello! Check the AC Control Panel fuse (15A) in the under hood box...In this instance the AC doesn't mean air conditioning...It supplies power to the Touch Screen Display...If the fuse is OK...let me know and I'll take it from there...Guru....Saailer
I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867
Are you check fuses? and harnesses connections.
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