Navigation System quit working.

60

Asked by Apr 07, 2012 at 04:13 PM about the 2005 Lexus LS 430 Base

Question type: Maintenance & Repair

We own a 2005 LS 430 with Nav.  Today it was working fine then a screen showed up saying Please Insert CD.  
Then some japanese writing below that.
I do not know where the CD to the Nav is much less what to do.  
Any directions from someone?
Jim

1 Answer

3,065

For the navigation to work the car must have the cd in it. The navigation ecu is located in the rr of the trunk under a bunch of the carpet I believe. If you have never had the cd replaced for a newer one, there shouldn't really be a reason it shouldnt work, the ecu has a door you have to slide that uncovers a eject button to remove or insert a new cd. I have seen the ecu's go bad from time to time and have to have them replaced. A dealer should be able to spend minimal time looking at it and diagnose it.

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