Can anyone help please!!! I have a 2006 GS 430. Navigation screen and A.C. controls are off and will not work. The stereo turns on and you can hear it, but im not able to control it through the screen. My A.C. buttons wont work either and in this heat its driving me nuts. The nearest Lexus dealer is 200 miles away . I have checked all the fuses in all 5 fuses boxes for good measure. Two in the engine compartment, two in the kick panels and one in the trunk. I have also removed the nav and checked all the plugs behind it in case of a short. So far, nothing..........HELP!!!

 

Unless you have a really good electronic technician, you are gonna have to replace the CIC

 

Does 2006 have the voice-control option? If yes, have you tried that?

 

yes it has voice control but i never use it.

 

yeah I tried it but its connected to the cic so it doesnt work either

 

does anyone know if there is a replacement unit that will still control the ac?

 

IMHO, you're nav unit took a crap on you, or the computer that controls it. Best suggestion find out what it is exactly and try to get it off a junk yard or ebay.

 

Exactly what is the "CIC"?

 

i removed the unit from the car. I tested the wiring going to the unit and it is getting power as well as a ground. i found the part online and requested the price. its considered the display unit.

 

cic is "car infotainment computer"

 

good luck with this as far as a replacment OEM is the only one I know of.

 

This may not help, but just a suggestion.. We had the same issue on a 2007 GS350.. as far as what we did was.. Deactivated the Park assist manually, than using the lanuch tool. it was activated, deactivated and than activated.. Thus the radio/navi unit started working again..

hopefully this helps.

Yohannes

 

how exactly do i do that?

 

what is a launch tool

 

OK, I found a place that repairs these units. Its a common problem. The website is www.hitechserv.com its far cheaper to have it repaired than replaced by Lexus.