Navigation problem
Thread Starter
Pole Position
Joined: Nov 2011
Posts: 243
Likes: 2
From: SC
Navigation problem
My 2007 LS460 navigation system has lost its mind. Is there any way to reboot it or go back to default? I had it updated about a month ago and it was fine. Then all of a sudden its giving me false information/location. Any help greatly appreciated.
Rookie
Joined: Dec 2012
Posts: 51
Likes: 0
From: Texas
How false is the information?
If you're just "a little off" there's a way to calibrate the location of the car on the map. I saw it this AM - I think it's one of the last options on the 3rd screen for natigation settings.
If the error is large, does it act up no matter your location, or is it confined to a specific area?
To me (and I'm a newbie in this area), localized errors are a problem with the GPS signal i.e. interference.
If the problem is wide-spread, then maybe there's something amiss with the GPS antenna or the Navi system itself.
Since you updated just a month ago - I'd involve Lexus in this problem - even Navigation updates are warrantied for 12/12000.
If you're just "a little off" there's a way to calibrate the location of the car on the map. I saw it this AM - I think it's one of the last options on the 3rd screen for natigation settings.
If the error is large, does it act up no matter your location, or is it confined to a specific area?
To me (and I'm a newbie in this area), localized errors are a problem with the GPS signal i.e. interference.
If the problem is wide-spread, then maybe there's something amiss with the GPS antenna or the Navi system itself.
Since you updated just a month ago - I'd involve Lexus in this problem - even Navigation updates are warrantied for 12/12000.
CL Community Team
Joined: Apr 2008
Posts: 2,221
Likes: 310
From: TX
wbrian63,
I think your advice is very good.
hms09,
I think your car is not receiving the GPS signal and is operating in the DR mode. Lots of possibilities for causes. There is a direct indication on your nav screen to show when the GPS signal is being received. You need to check and let us know if you are receiving the GPS signal.
Here are some links to threads that might be helpful:
https://www.clublexus.com/forums/ls4...n-problem.html
https://www.clublexus.com/forums/ls4...s-jammers.html
https://www.clublexus.com/forums/ls4...s-2012-ls.html
I think your advice is very good.
hms09,
I think your car is not receiving the GPS signal and is operating in the DR mode. Lots of possibilities for causes. There is a direct indication on your nav screen to show when the GPS signal is being received. You need to check and let us know if you are receiving the GPS signal.
Here are some links to threads that might be helpful:
https://www.clublexus.com/forums/ls4...n-problem.html
https://www.clublexus.com/forums/ls4...s-jammers.html
https://www.clublexus.com/forums/ls4...s-2012-ls.html
Thread Starter
Pole Position
Joined: Nov 2011
Posts: 243
Likes: 2
From: SC
Thanks for the replies. I cannot seem to find Any indicator that tells me if I'm getting a signal.
Here's whats happening. It seems to be " stuck" on a location in Florida. I went thru this area last week. But when returning to South Carolina its still giving me streets in Madison,FL. The red arrow moves and the street names change as I move about but incorrect. Hope this helps. Thanks again.
Here's whats happening. It seems to be " stuck" on a location in Florida. I went thru this area last week. But when returning to South Carolina its still giving me streets in Madison,FL. The red arrow moves and the street names change as I move about but incorrect. Hope this helps. Thanks again.
CL Community Team
Joined: Apr 2008
Posts: 2,221
Likes: 310
From: TX
I don't think you are receiving the GPS signals. You should try disconnecting all devices such as radar detectors, phone chargers etc. and turn your personal devices like cell phones and laptop computers off.
Instructor
Joined: Oct 2005
Posts: 757
Likes: 61
From: GA
IS your NAV in the right region? you need to make sure that your NAV is in the right region. I believe SC and FL are in different database. Not sure that this will fix the problem but one thing to get out of the way
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CL Community Team
Joined: Apr 2008
Posts: 2,221
Likes: 310
From: TX
Locked is the desirable state, meaning that your nav system is receiving signals from 3 or 4 satellites in the GPS constellation, and is able to calculate your position accurately.
Unlocked is the undesirable state, meaning that your nav system is not able to determine your position because it is not receiving signals from enough satellites. The system may not be able to lock because the satellite signals are eclipsed by terrain or terrestrial objects. Or, it may not be able to lock because other signals are interfering with the GPS signals. Or, it may not be able to lock because the antenna or receiver in your car broken.
When the nav system is unlocked, present position is calculated from the last good GPS position by using the car's magnetic compass, for direction of travel and distance traveled, measured from wheel rotations. This is called Dead Reckoning navigation and position accuracy deteriorates with time because of compass accuracy and variations in tire diameter.
Unlocked is the undesirable state, meaning that your nav system is not able to determine your position because it is not receiving signals from enough satellites. The system may not be able to lock because the satellite signals are eclipsed by terrain or terrestrial objects. Or, it may not be able to lock because other signals are interfering with the GPS signals. Or, it may not be able to lock because the antenna or receiver in your car broken.
When the nav system is unlocked, present position is calculated from the last good GPS position by using the car's magnetic compass, for direction of travel and distance traveled, measured from wheel rotations. This is called Dead Reckoning navigation and position accuracy deteriorates with time because of compass accuracy and variations in tire diameter.
Last edited by jmcraney; Sep 30, 2014 at 03:00 PM.
Lead Lap
Joined: Sep 2007
Posts: 523
Likes: 21
From: NC
Did you buy this car used? If it has Locked up, turn the car off, turn it back on and see if it fixes the problem.
Is it possible it has a Prestigious society bypass? By clicking --++ on the steering wheel volume, this would hang up the GPS at exactly that position you are in.
IF it locks up again while driving, press the SETUP button. If you can use all the functions in setup, WHILE driving, then you have PS Bypass and it is locking your GPS because you were adjusting the radio and clicked --++ on the steering wheel volume.
Just a suggestion!
Is it possible it has a Prestigious society bypass? By clicking --++ on the steering wheel volume, this would hang up the GPS at exactly that position you are in.
IF it locks up again while driving, press the SETUP button. If you can use all the functions in setup, WHILE driving, then you have PS Bypass and it is locking your GPS because you were adjusting the radio and clicked --++ on the steering wheel volume.
Just a suggestion!
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