Quick & Easy Door Switch Repair.

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Quick & Easy Door Switch Repair.

Postby FC Zach » Mon Jun 29, 2015 10:16 pm

I have been dealing with a faulty set of door switches since I bought my Celica. I have cleaned/lubricated both but only had positive results on the left side. Today I snatched a couple from a local junk yard as well as a Passenger side seat belt. I replaced the switch while I had the trim off to replace the belt but unfortunately that switch was also faulty. . .

Determined to fix the issue while I was motivated, I disassembled one of the extra switches. I found the issue to be with corrosion on the plate that the 6mm screw goes through.
IMG_20150629_172140_278.jpg


Disassembling isn't necessary if you have a small file, just insert between the plate and the plunger thing like this:
IMG_20150629_171705_281.jpg


Test (door open):
IMG_20150629_180509_221.jpg


Although this worked great for me there is a chance that it may not for others because I noticed on the second switch I disassembled that the contact point on the plunger thing had worn off completely.
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1992 Toyota Celica AllTrac
1987 Mazda RX7 Sport
1979 Yamaha G1A, rotary powered with Sachs KM24
1976 Hercules W2000, oil injected
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Re: Quick & Easy Door Switch Repair.

Postby FC Zach » Mon Jun 29, 2015 10:25 pm

Here's an example of the switch with the worn/broken contact on plunger.
IMG_20150629_182002_515.jpg

IMG_20150629_182034_890.jpg
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1992 Toyota Celica AllTrac
1987 Mazda RX7 Sport
1979 Yamaha G1A, rotary powered with Sachs KM24
1976 Hercules W2000, oil injected
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Re: Quick & Easy Door Switch Repair.

Postby klue » Tue Jun 30, 2015 12:44 am

thanks for the info lots of the celicas have this problem
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Re: Quick & Easy Door Switch Repair.

Postby FC Zach » Tue Jun 30, 2015 12:56 am

Hope it works for others, many Toyotas use this same switch.
1992 Toyota Celica AllTrac
1987 Mazda RX7 Sport
1979 Yamaha G1A, rotary powered with Sachs KM24
1976 Hercules W2000, oil injected
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Re: Quick & Easy Door Switch Repair.

Postby soarer.jzz30 » Tue Jun 30, 2015 6:55 am

I would suggest just grabbing ls400 units like I did. Much nicer
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my build thread: http://alltrac.net/phpBB2/viewtopic.php?f=44&t=38003
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Re: Quick & Easy Door Switch Repair.

Postby Numbchux » Tue Jun 30, 2015 11:29 pm

Brand-new aftermarket ones are not expensive, either.

I usually encourage a little refurbish, but mine were far beyond a little cleaning.
-Chux
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Re: Quick & Easy Door Switch Repair.

Postby soarer.jzz30 » Tue Jun 30, 2015 11:29 pm

Cargo pants at a junk yard is free! :)
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Re: Quick & Easy Door Switch Repair.

Postby FC Zach » Tue Jun 30, 2015 11:49 pm

^ Agreed!
1992 Toyota Celica AllTrac
1987 Mazda RX7 Sport
1979 Yamaha G1A, rotary powered with Sachs KM24
1976 Hercules W2000, oil injected
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1992 Toyota Celica

Re: Quick & Easy Door Switch Repair.

Postby yyonline » Wed Jul 01, 2015 6:26 am

I vaguely recall a Toyota TSB saying that they redesigned these switches at some point to make them more durable. I can't find it now though. When I bought my Celica ST in 2002, the switches weren't working. I replaced them shortly after and the replacement switches are still working fine today. The factory parts are still available and not terribly expensive either. I ordered a pair for the all-trac from Toyota_Todd for cheaper than I could find aftermarket ones. And well, they're still in the box they shipped in...waiting for a nice sunny day for me to install them...along with a few hundred other parts I ordered.
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