Junior Member
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Join Date: Aug 2020
Posts: 16
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Junior Member
Join Date: Aug 2020
Posts: 16
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Ok, so this may be confusing but follow along.
This afternoon with both fobs almost touching the 4R, neither fob would do anything, holding any of them, clicking any of them on either remote, nothing.
I took both fobs to local auto parts store to use on their fob testers, the issue was most of the stores testers didn't' work and the one that did they said was hit or miss. A guy that worked there said his GF had a 2018 corolla that works with no issues and their device never detects it as working.
The every day fob that I normally use that has a new battery that reads good voltage gets no signal at all at the device, doesn't light the device up, but the one that I keep in drawer with original battery gets a light green signal from device like it is weak.
The battery pack I bought a while back was a 2 pack, one of which was never touched. So I took the 1st new battery out of my normal every day fob (the one that wouldn't light the device at all) and put the 2nd new battery in that had never been touched, tested it against the device, showed a rather bright green light.
I then took both fobs out to the truck, both work most of the time now. It might not catch it one time every so often, but seems to work great for most part.
BUT KEEP READING!!
Now understand that I haven't touched the original battery in the fob that stays in the drawer and it also wasn't working earlier in the day, but after testing with said device at auto parts store it is now working too on the exact same battery that wouldn't work earlier in the day, like WHAT??
So I get home and decide to test batteries with volt meter, the new battery that wouldn't work in the my everyday fob reads 3.09 volts. The 2nd new battery that I then swapped to in the parts store, which then worked, reads 3.02 volts, but that is the one that works and it is lower voltage, what????? I then take out the 2nd new 3.02v and put the 1st new 3.09v in, which earlier today wouldn't work at all right next to the truck and it now works from inside my house, WHAT???
I also have the original Panasonic battery from my every day fob that I changed to new a while back, so for testing, I check it, it reads 2.94v lowest of them all that I have but it also makes sense as I carry it every day for many years, I then swap back to that original 10 year old battery which is what I originally thought was giving me the trouble a while back, and it works from inside the house now too.
None of this makes sense, so I then assume, my volt meter batteries are bad, put new 9v in, same readings with new battery in volt meter.
Sorry for the super long post but wanted to get in everything that happened.
I have no idea why it all the sudden works now, with ALL 4 batteries that I have, the 2 new ones an now the 2 original 10 year old batteries as well.
If anyone can explain the witchcraft that has happened her that would be awesome.
EDIT:: I also want to stress that my fobs have not worked AT ALL for at least 1.5 to 2 years now. Hence the witchcraft. The 2 pack battery was purchased just before they stopped working completely 1.5 or 2 years ago.
EDIT 2:: A day later and I have noticed that even right beside the truck it might take 2 clicks to unlock. I did talk to a service guy that works at a Toyota dealership and he said that most of the time when it fails completely and won't work, the device that usually goes bad is the one behind the fuse box under the dash. He said you have to pull the fuse box out to get to it, I have not investigated that as mine is still working for the most part. Just wanted to give this info to maybe point someone to that device first if theirs is complete failure.
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2011 SR5
2011 Camry
Last edited by TheNicestGuy24; 08-06-2020 at 02:23 PM.
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