Question about Toyota Tacoma
I found the solution to this on one of the Toyota Tacoma forums, there is a service bulletin out for this particular problem, a replacement circuit board to do a factory repair is 800 to 1000 dollars depending on which Toyota dealer you want to throw your money at.
The way you get the overhead console apart is to open up the sunglass holder and remove the lone screw in the middle. Some say it is a Torx head screw, mine was a phillips which I promplty dropped into the far reaches of the passenger seat and had to retrieve ith with a magnet.
Once thats done, grab the front of the console between it and the headliner. I tried a nice steady pull but I think it would be better to use a quick **** to dislodge the clips. It is a little scary because I'm sure the console is high-dollar too. Pull straight down to keep from breaking off the plastic posts on the console. The bad part for me was that when it all came apart, the metal clips came off and one is now lost in my headliner somewhere. I went to the local Toyota parts department, and yea they can get me a replacement, I have to order a minimum of ten at around $8.00, the other thing is, Helena MT.is a geographical oddity, two weeks away from anywhere. Whatever happened to customer service? I have a theory.
So, once you get the console down, disconnect the two connectors, one for the temp and one for the map lights. The console comes down, you can slide the connector off the console for the map light, and using a T-10 screwdriver, remove the three screws holding the circuit board to the console. Remove the lens from the circuit board and you should be able to see the 510 resistors. The one that came loose on mine was pretty easily seen. To verify this is the problem with the nonfunctioning indicator, press on the resistor with the unit plugged back in the truck, it should light up. Keep in mind, while you are admiring your troubleshooting expertise while holding the resistor down, those bad boys heat up pretty quickly.
I was able to solder mine back on very carefully using my weller gas powered soldering iron and some .032 diameter solder, use a clean, newly-tinned tip and it should be fine. Be careful not to heat the board too much.
Installation is the reverse of removal, unless you lose a clip, good luck finding those.
Posted on Aug 31, 2009
Thanks to vfr800fi i found my trouble too!!!!! mine died @15000 miles and kept puuting off fixing til it was too late. i have been driving 2 years without my guage cause i refused to spend 1000 dollars for the P.O.S. i actually have the "burn" mark in the corner of my screen so i emailed the manufacturer and to my surprise they actually responded. i thought the screen burned out but was informed the if the sceen is not fogged up the vacuum is still good in the display and probably not the problem. i just found this site today and checked that resistor. i put a little pressure on the 510 spot and to my amazement it lit up. YAHOOOOOO!!!!!!!!!! now i just have to have it soldered. i have a friend that builds circuit boards so im sure its a piece of cake.
Thanks again whoever VFR800FI is
Posted on Feb 19, 2009
I had the same issue, took it apart and in the bottom right hand side of the screen it has a "burn" mark. The 510 connection had also gone bad, so I soldered the 510 back and tested the connection, which is good. But it still doesnt work. Any ideas on what else I can do to fix it without dropping $800 at the dealer?
Posted on Sep 13, 2010
Fixing the problem with the above posted solutions made it a breeze. Thanks for sharing and saving us all $$$. Bad soldering on pcb with cold solder joints. Just be careful when seprating the pcb enclosure. I broke off one of the plastic tabs, no worries though, just use some electrical tape to secure the broken area.
Posted on Oct 31, 2009
I did what yo said and mine worked also. Now I have to get it soldered. Nice effort.
Posted on Oct 07, 2009
Good work, KAKruger. Quite possible you did not loose a clip.
There was only one installed on mine.
Posted on Sep 15, 2009
We repair the compass / ambient temp displays in Tacomas (Toyota calls them accessory meters).
We use all new components (vital to keep it from happening again) and install heatsinks to draw away heat. http://www.siliconmethod.com
Or you can email me (Greg) at: firstname.lastname@example.org
Posted on Dec 01, 2010
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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