Last week I put a new Battery on my vehicle because it was dead, 2 or 3 days after that when I got in it to drive, out of the blue the dispay started working. The chances of both units being bad are slim to none. When I installed it and it didn't fix the problem I knew it wasn't the unit itself. Since the Computer display didn't work I assumed it was bad, so I found one on the internet and bought. I bought a used Climate control unit from a salvage yard it was a certified part. When I first bought this vehicle I knew there were things I had to replace on it, and have fixed. I would search the forum for monitor / display problems first and go from there. You may have a faulty monitor or the computer system may need reseting if it was involved in a wreck. I'll post this on the page you mention and see if there is anyone who may may have the answer. I appreciate your input in this matter its Pro such as yourself that makes these forums what they are. I don't know what else to check or how too. The display comes on however there is no writing on it. The Radio,and CD player works, the temperature control, fan, and etc. I have checked the plug-ins on the back of the Unit, all are plugged in. If not post on Club Lexus site also, there are a couple of individuals there that know a lot about the head unit. I dont have any schematics for the unit but maybe somebody will input. Might just be a plug that came undone during the colision,The display lights up which means at least it has power, but maybe there is an data line unplugged. The damage in the wreck was to passenger side only, and it was a mild fender bender. Also when you open the door the inside light doesn't come on. I can hear the rear door lock but that is it, so I know the keyless entry does work. Also the power locks don't work with when I press the lock button on the keyless entry. Is this an issue with the unit itself or do I have to take it to a dealer and have them put it on a computer and have it reprogrammed. The radio and CD player plays but nothing in the display, I know that the upper portion is for trip display and the middle is for Climate, and the bottom of the display is for the radio /Cd player but I can't see noting on the screen, it 's lite up but nothing displays on it. The screen comes on but you can't see any of the characters on the screen. I don't know if it was due to the airbags being deployed it the front that may have caused this or what? I went on line and bought a used Climated control module but when I hooked it all up it did the same thing. The only thing left to fix on it was the Climated Control module and door locks. I bought this SUV for my daughter, it was wrecked and I have had everything fixed on it at a body shop. I have a question I need to ask a someone.
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