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I asked this before and didn't really get a reply, so I'm gonna ask again before throwing up my hands and going to the dealer. It's summer right now, so I don't usually worry too much about the traction control, though I do prefer to have it off (it sucks to have your wheels fail to spinf when you're trying to peel out). But now, when I press the 'TRAC Off' button, nothing happens. Not only does the TRAC system not disengage, but the button won't even click in to place. The dash light doesn't come on and even when I push the button firmly, it fails to click in and stay depressed. This leads me to believe that it could be the button and not the whole system, though that may just be wishful thinking on my part. If any of you have any ideas or have encountered this issue before, leet me know, because right now I'm a little stumped. I guess the next step is to take out the switch and make sure there's nothing obviously broken on that. If anyone's done this....

I Had this problem a number of times with mine. My SC is gone now, rest it's soul. But I did have a pretty permanent fix for this. I hand bent the rod back to about the right shape, and I installed it with the regular clip (i still have a box of them and could send a couple if needed). Then I took a medium sized zip tie and went around the whole clip and rod below the "L", then also around the flat metal piece that activates the rod when you pull the handle. I left the zip tie just ever so slightly loose so there was play in it. The idea is the zip tie stops the rod from torquing the clip wrong, but does not actually hold everything tightly in place. It holds it all loosely in place. Anyway, the fix lasted years--the rest of the car's life. Let me know if you need some clips. I believe i have a small box of ten for each side. I would be willing to share a couple (but one day i want another SC)

I had this same issue with my'95 SC400 a couple years ago. The 'bar' mentioned by the dealer is no more than a short metal rod and used ones can usually be found on eBay for a few bucks. Be certain you are buying the one for your year and model, as there are several types. The attachment clips are plastic and can also be purchased new from Toyota or on eBay for a few bucks each. Any competent mechanic should be able to do this repair - dealer not required. The driver side door lock linkage is different from the right side but the clips are universal. The hardest part of the job is removing and replacing the door panel but YouTube videos are available on how-to. BTW, this is a very common problem with Toyotas and Lexus because of (guess what) that aging of that plastic clip which eventually becomes brittle and breaks. I cannot imagine why Toyota didn't use a metal clip as they did in the good old days. I suppose the answer to that is a guaranteed $500 repair somewhere down the line.

Grandpa is correct. i have a 94 just like Wucantstop and the button does not click or stay in and is not supposed to. the "trac off" button works list like the stereo system: push the volume knob in and it will come out back to where it was originally and the stereo will turn on. to add to what grandpa also said, when you first turn the key to "on", the "trac" light should come on in the middle of the speedometer and turn off after a few seconds. this is the system doing a self check. the "trac off" light should also turn on and off at the bottom of the dash when the key is turned to on. if neither of these lights illuminate, you have internal traction control problems just like jakeroux.

When you first start your car (after it's been running for about 10 seconds... is the TRAC OFF light still on, inside the dash board? Or does the light just turn off and on when ur driving? And when you press the TRAC button, it's not suppose to click or anything, it's very light, requires little pressure. It's probably lighter than the cruise control button and it isn't meant to stay depressed in the 1992 Lexus or of any that i am familiar with.

Well, this won't be much help, but for what's it's worth, I'm having the same problem on my '92, except the light won’t go off (meaning trac control won't come on). Similar to your problem, my switch does not click or appear to engage. When I asked the dealer about it at a recent visit, they informed me the “Trac Accumulator” (which I gather is the brains behind the system) had gone bad and I needed a new one at a cost of about $800. I passed. Would be curious to know if you find a fix though. Good luck!