I opened the master switch all the way to the motherboard. All power and functions pass thru the master. Even if all the other individual windows are working but the corresponding switch in the master is broke, the window will not function. The master control switch on the driver's side affects all window switches. I just solved the problem and here is the cause: When the one in my Sienna went, we just hot-wired the switch and it's been fine ever since, but that's not an approach I'd recommend unless you clearly understand that if you *do* roll up the window and something gets jammed, you'll likely shatter the glass. You have to remove the entire motor anyway, which is a nightmare pain in the butt.
Teensy driver windows not working full#
Since it's quite possible the motor is overheating slightly and causing the switch to go bad, a full replacement may not be a bad idea. That's why the dealer will just swap out the motor.
They're usually part of the motor assembly, and you can't get the part separately. That's symptomatic of a bad thermal switch. It'll just get worse.ĭo you find it goes up a teensy bit and then stops? Then if you wait a few minutes, it'll go up a teensy bit more. The most likely scenario is that your switch is going bad and is tripping as soon as load is applied.
They're intended to shut down the motor if the window gets jammed (like raising it with your arm in it). The power window motors have a bi-metal thermal cut-off switch. What could be the problem? It only has 51,000 miles, 4 years old. It will go down but not go up even when you use the driver's master control switch for that window. Tested the motor by applying direct battery power and worked up fine also tested the switch in the back window and is working fine fuse is okay. I tried to open it one afternoon but when it's time to close, it won't go up. Just recently, the front passenger power window is acting up.
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