LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Issue w/ key rolling up and down windows

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Old 04-03-13, 11:26 PM
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g3t0ut
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Default Issue w/ key rolling up and down windows

I have a UCF20 and the key in lock only rolls up and down the driver window. I always thought it was supposed to do both the front windows if not all. If that is the case what could be causing it to only be working with the drivers window.
thanks
Old 04-04-13, 07:17 AM
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akitomk3
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i think it will only work for the driver side as i remember on my car it didn't roll down the passenger front window
Old 04-04-13, 07:49 AM
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dengman
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my key lock rolls down all my windows and opens the roof. and it rolls them up. Key fob rolls down all the windows when I hold unlock too.
Old 04-04-13, 03:43 PM
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YoshiMan
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95-97 only does the drivers window
Old 04-04-13, 06:39 PM
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My old '95 did all 4 windows and the sunroof.
EDIT: maybe my memories acting up though, it has been 6-7 years...

OP needs to specify what generation UCF20 he has ('95-97 or '98-00)

Last edited by PureDrifter; 04-04-13 at 11:59 PM.
Old 04-04-13, 07:32 PM
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Gene01
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Is it possible that the differences are due to alternate options in CBEST?
Old 04-04-13, 07:52 PM
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HotTubTony
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Do UCF10's do this?
Old 04-04-13, 09:15 PM
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diamondave
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should my 1996 do this? someone said holding the unlock on the key remote would do this but it doesnt
Old 04-04-13, 09:15 PM
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RA40
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I was cheated...our '97 does the driver door only.

Another annoyance is the sun roof which isn't a one touch close. I can see the safety aspect, this has been one of my peeves since the Cressida was one touch. Oh well.
Old 04-04-13, 09:44 PM
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rome99LS
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Mine does all 4 windows plus sunroof. I love it too.
Old 04-05-13, 02:35 AM
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YoshiMan
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Originally Posted by diamondave
should my 1996 do this? someone said holding the unlock on the key remote would do this but it doesnt
Yes, your 96 has the feature, but its done with the actual key in the door lock cylinder, not the remote. Turn and hold the key in the unlock position, and the window will roll down. Hold it in the lock position, and well, you know the rest
Old 04-05-13, 07:01 AM
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diamondave
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Well i checked mine this morning and it only rolls down the drivers side only down. i have heard that some peoples will roll down all windows and open sunroof. is there a way to reprogram this feature or is mine malfunctioning?
Old 04-06-13, 03:13 PM
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YoshiMan
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Originally Posted by YoshiMan
95-97 only does the drivers window
Thats the way it was set up from the factory, so there is likely nothing on that circuit even connected to the other door windows. Hence, no way to reprogram it if the circuitry doesnt exist.
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