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LS 400/LS 430 Electrical Questions & Problems

47 messages,  Last post on Nov 23, 2009 at 4:04 PM

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What is this discussion about? Lexus LS 400, Lexus LS 430, Electrical, Sedan

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#41 of 47 Re: CD player. [wwest] by wwest Mar 08, 2009 (5:22 am)
Replying to: wwest (Feb 24, 2009 5:20 pm) B+ (battery 12 VDC) pin at the CD player connector was shorted to ground. Provided a B+ power bypass around the connector and all is well.
#42 of 47 CEL by wwest Mar 10, 2009 (6:54 am)
CEL on my brother's 91 LS was due to failure of the EGR valve vacuum modulator.   Over $100 at Lexus of Memphis and needed to order.   In stock (92 Camry) at Hutton Toyota for ~$70.
#43 of 47 FYI...Better late than never. by wwest Apr 03, 2009 (6:02 pm)
I'm just finishing up installing replacement aftermarket seat heaters for our '95 LS400. In the process I discovered why the OEM ones failed...POOR DESIGN.   The OEM seat heaters are designed poorly in that the elements can too easily come in contact with the metal frame of the seat. That's why both front seat heaters had failed.   It turns out that there is a TSB that covers this flaw for the '95-'00 LS400...5 years to discover and correct an obvious design flaw. The TSB reads that it only applies under specific customer complaints and only while the car is still under the factory warranty.   So if you own a '95 to '00 LS400 and your seat heater(s) have failed now you know why, TOO LATE...
#44 of 47 LS 430 keyless entry problem by mike425 Oct 20, 2009 (3:00 pm)
I have a 2004 LS 430 and the keyless entry stopped working. I can't lock or unlock the car or the trunk. I have had it to the dealer ( they had it for 2 months ) to recalibrate the remotes to the car, with no success. The car has 56,000 miles on it and the dealer doesn't know what's wrong with it, the Lexus factory technican has checked it out and even been in contact, I am told, with the engineers that built it. They can't get an error code on any of the diagnostic equipment, pin pointing the problem. They think it is something in the wiring harness or a computer that is fastened to the inside of the firewall that requires the whole dashboard to be removed to get to it and that may not be the problem. The dealer has suggested an aftermarket remote to lock and unlock the car, or just live with it ( why did I buy a Lexus, if I have to do that ). I have been in contact with Lexus, but unforntunately they were not much help. The dealer suggested that I don't fix the car, because it will cost thousands of dollars to repair. I went back to Lexus and they said take it back to the dealer and the dealer will basically rebuild the car, at my expense. That's a bit scary folks. Does anyone have any suggestions or experience with the keyless entry, because I don't really want to give my dealer a blank check to fix it. ( I'm not sure they know how for starters )   Thank You Mike Replies to this message: wwest (Oct 21, 2009 8:42 am) mike425 (Oct 22, 2009 2:04 am)
#45 of 47 Re: LS 430 keyless entry problem [mike425] by wwest Oct 21, 2009 (8:42 am)
Replying to: mike425 (Oct 20, 2009 3:00 pm) Metallic window tint film...?? Replies to this message: mike425 (Oct 22, 2009 2:04 am)
#46 of 47 Re: LS 430 keyless entry problem [wwest] by mike425 Oct 22, 2009 (2:04 am)
Replying to: wwest (Oct 21, 2009 8:42 am) No, only Lexus original tinting. The keyless entry was working fine, then just stopped.   Thanks for the suggestion though Mike
#47 of 47 keyless entry problem solved by mike425 Nov 23, 2009 (4:04 pm)
Ladies and Gentlemen   The keyless entry problem in my 2004 LS 430 with 56,000 miles on it, has been solved by Burdick Lexus in Syracuse,N.Y. These people investigated the problem and found two major components at fault, and they only had my car for a week. The first component was the Theft computer assy ($892) and the second was the Reciever door control unit in the trunk ($754), along with labor ($1,100) for a grand total of $2,746 to repair my LS430. The car is working like it should now and is enjoyable to drive again. When I first reported this problem to the Lexus Corporation, asking for some help in paying for some of this, because Dorschel Lexus in Rochester, N.Y. had no clue what was wrong it and didn't even want to try to fix it, and that's after they had my car for two months, Dorschel did offer some lame suggestions that I just live with it, or they can install an aftermarket remote to lock and unlock the doors on my $65,000 Lexus, for only $200. Lexus Corp thanked me for bringing this problem to their attention and informed me that they have sent this issue to the Lexus Headquarters in California, so that they can make a better product. How do you make a better product without the solution to the problem. Well now, thanks to me for paying for their research and development on this problem, they now have the answer. Lexus Corporation dropped the ball on this issue as far as I am concerned. It's too bad that I couldn't sell them the solution to their problem.   On a very bright note though, for people in Upstate New York. Burdick is an outstanding dealership and they are huge in automobiles not just Lexus. I personally would like to test drive one of their BMW's and they also have Hummer along with too many more manufacturers to mention.    I thought that anyone that has seen the keyless entry problem that I posted might be curious about the solution to the problem. Well here it is, so if your car has the same problem that mine did, it will cost you a smooth $2,800 to fix and don't count on Lexus Corporation for anything. I should state that my car is out of warranty as the Lexus Representative pointed out to me several times and they did not have to do anything toward helping with the cost of this rare component failure. I'm fine with that, I don't have to purchase another $65,000 Lexus either and neither does anyone else in this country.   Have a Great Day Mike McNeil

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