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Transfer Case Troubleshooting Guide
NOTE: Multimeter testing required for this area for 2010-2019 models
The FSM would be best but here is a document on troubleshooting various Toyota 4WD/AWD systems. The center diff/transfer case unit in GX is the same one used in this document for the 4th Gen V8 4Runners and 5th Gen 4R Limited models. I didn't compare if the electrical is the same but might offer some guidance for someone down the road. http://www.itpstrategic.com/samples/...ON%20FINAL.pdf https://cimg1.ibsrv.net/gimg/www.clu...8720d9363f.png https://cimg2.ibsrv.net/gimg/www.clu...e9b95cfc6c.png https://cimg3.ibsrv.net/gimg/www.clu...35287376e5.png https://cimg4.ibsrv.net/gimg/www.clu...09da4209ba.png https://cimg5.ibsrv.net/gimg/www.clu...1a8fdf697e.png |
diff locker on with 4 high
My sister also has a 4th gen GX and she accidently activated the rear diff locker switch while still in D with 4 high. I believe she drove it for a while without realizing that it was on. Should she be concerned of any engine or transmission problem from it? Thanks in advance.
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Originally Posted by tuandino
(Post 10464660)
My sister also has a 4th gen GX and she accidently activated the rear diff locker switch while still in D with 4 high. I believe she drove it for a while without realizing that it was on. Should she be concerned of any engine or transmission problem from it? Thanks in advance.
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It's a Toyota it shouldn't be a problem.
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https://cimg6.ibsrv.net/gimg/www.clu...27443bb125.jpg
https://cimg8.ibsrv.net/gimg/www.clu...9f77ea16c6.jpg these are not the same. do you have just the stock hardware? if you have the bottom switch then just like hzhao says, it just changes the % ratio. my older 4runner had an extra mode, which would cause damage. |
Originally Posted by John00
(Post 10465973)
these are not the same.
do you have just the stock hardware? if you have the bottom switch then just like hzhao says, it just changes the % ratio. my older 4runner had an extra mode, which would cause damage. |
I thought you have to be in neutral or park to truly activate any of these type of systems in the GX?
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Originally Posted by tecman
(Post 10465990)
I thought you have to be in neutral or park to truly activate any of these type of systems in the GX?
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My wife did the same thing - locked the diff. and drove it for a couple of days (on the freeway).
I asked Lexus master mechanic when I was servicing a car - he said even though it is not ideal, it should be fine. Had a customer who drove this way for months and wasn't any damage. I do agree that the button placement is horrible - not too far from the starter, and is easily missed when not looking to what you're pressing. |
Center diff lock question?
Hey guys. So I've only used my center diff lock in 4lo and never had any issue but today I was in 4hi (normal driving) and stopped and decided to press my center diff lock button just to make sure it would turn on but the light kept blinking ( i was in Drive) but when i would go into Park or Neutral the light wouldn't blink and seemed to be turned on just fine? I know when it's in 4lo the center diff turns on just fine but do you have to be in park and in 4hi in ordee for it to work?
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Center diff lock question?
Hey guys quick question. Is it normal for my center diff lock to turn on if I put it in Neutral first? If I’m in Park and press the button the light just flashes but if I go into Neutral the light stays on? I thought it would work regardless of what gear I’m in?
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That is one that I usually engage/disengage in gear.
https://cimg3.ibsrv.net/gimg/www.clu...0bff4bcd0a.png |
GX460 Drivetrain basics
Could someone give me a rundown on our trucks' drivetrains? I have a 2012 GX460 Base model.
i just came from an AWD 2007 BMW X3...as I understand it - it normally had a 40/60 front-to-back torque split, but would adjust that percentage according to road conditions. Simple enough... But our trucks are often labelled "full-time 4WD with a locking differential". I'm completely new to 4WD vehicles, so could someone explain our drivetrain to me? Thanks! |
This is an interesting troubleshooting document
https://cimg9.ibsrv.net/gimg/www.clu...c97544d023.jpg https://cimg0.ibsrv.net/gimg/www.clu...453c4d25c4.jpg https://cimg2.ibsrv.net/gimg/www.clu...003d17e6e7.jpg https://cimg4.ibsrv.net/gimg/www.clu...af29a0aa7c.jpg https://cimg6.ibsrv.net/gimg/www.clu...dd0d6e2373.jpg https://cimg7.ibsrv.net/gimg/www.clu...f3f5b71e12.jpg General Overview |
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