Nav screen dead
01-30-12, 09:23 AM
#1
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Nav screen dead
As I was driving to work this morning I realized my nav screen isn't responsive. I can see everything it displays but cannot execute any commands by using the touchscreen. The weird part is that when on the map screen it does allow me to scroll around. Another odd thing is that the info tab is somewhat responsive. When touching any option there it automatically takes me to the language option but wont allow me to change it or hit 'OK'. Has anyone had this issue before or is there a way to reset the screen? I have an SL2Vi and nav override kit installed which still work fine. Can this be an issue? Any help or suggestion/s will be much appreciated.
BTW I have ML
Thanks
BTW I have ML
Thanks
01-30-12, 12:16 PM
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This happened to me last year and it caused quite a headache. If you have a warranty, take it to the dealer and they should take care of you. I dont remember the exact cost, but i remember it being in the 3k range for a new unit. I could be mistaken on the price though.
01-30-12, 12:18 PM
#3
I have fixed and/or assisted in fixing 3 of these pieces of crap by now. Search the 2IS section for the DIY on fixing it yourself 
It isn't that bad as long as you are ok using a circuit writer pen.
SLAY has seen me begin to fix a nav screen in person before. He can vouche.
It isn't that bad as long as you are ok using a circuit writer pen.SLAY has seen me begin to fix a nav screen in person before. He can vouche.
01-30-12, 12:21 PM
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I guess my next question is do I need to remove the vaistech and nav override unit? Will the dealer try to screw me by saying those devices void my warranty? uuggh what a headache as I just got this stuff installed recently and have to pay to remove and re-install again at a later date.
This happened to me last year and it caused quite a headache. If you have a warranty, take it to the dealer and they should take care of you. I dont remember the exact cost, but i remember it being in the 3k range for a new unit. I could be mistaken on the price though.
01-30-12, 01:19 PM
#5
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^^ Yeah remove it...
No sense in showing up to the dealer with a couple of Plug & Play units plugged into the back of your Radio / Nav screen...
Just be glad you didn't hack the nav wiring.. As soon as they see that, warranty is toasted on the Nav Screen!!
Good Luck
~ Joe Z
No sense in showing up to the dealer with a couple of Plug & Play units plugged into the back of your Radio / Nav screen...
Just be glad you didn't hack the nav wiring.. As soon as they see that, warranty is toasted on the Nav Screen!!
Good Luck
~ Joe Z
01-30-12, 04:19 PM
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I have fixed and/or assisted in fixing 3 of these pieces of crap by now. Search the 2IS section for the DIY on fixing it yourself It isn't that bad as long as you are ok using a circuit writer pen.
SLAY has seen me begin to fix a nav screen in person before. He can vouche.
It isn't that bad as long as you are ok using a circuit writer pen.SLAY has seen me begin to fix a nav screen in person before. He can vouche.
I guess my next question is do I need to remove the vaistech and nav override unit? Will the dealer try to screw me by saying those devices void my warranty? uuggh what a headache as I just got this stuff installed recently and have to pay to remove and re-install again at a later date.
If you choose to do it yourself, definitely just ask CCJ22 what to do and he'll help you out.
Ive seen him do in two minutes, what the dealer charges over 6 hours work.
Last edited by lobuxracer; 01-30-12 at 04:34 PM.
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01-31-12, 08:58 AM
#11
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This is crazy. I would have expected my nav screen to last longer than 4 years. I hardly use the thing because my car is rarely driven. 23K on a 2008 model...
01-31-12, 10:52 AM
#12
Lexus Test Driver
It's been well documented here that the signal leads used in the "touch" portion of the navi display are weak and not up to the task. The DIY repair is to repair the traces on the connector to "re-connect", the warranty/dealer repair is to simple remove and re-install a new unit. They don't actually fix the problem. I'm sure all they failed units are now being sent back to Lexus where they are repaired and "refreshed" and placed back in stock as "rebuilds" (like an old alternator) for repairing the newly failed units. It's just the way it goes.
Last edited by UCrazyKid; 01-31-12 at 11:05 AM.
01-31-12, 12:05 PM
#13
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I guess my next question is do I need to remove the vaistech and nav override unit? Will the dealer try to screw me by saying those devices void my warranty? uuggh what a headache as I just got this stuff installed recently and have to pay to remove and re-install again at a later date.
