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I have a 1998 Camry (4 cylinder, if it matters). The window got stuck down, I assumed it was a bad motor. So I put in a new motor and regulator. The motor does work when I supply power to it directly, so I know that’s not the issue. When I hook up a switch, the “down” position does not work. It tries to roll the window up, in fact. When I pull the button “up”, the window goes down, but I cannot get it back up unless I supply power directly to the motor. I have tried three different switches and they all do the same thing. The window also will not work from the driver’s master switch, though it does still control the other three windows. I thought it was perhaps an issue with ground. I cleaned the ground points, but that didn’t solve the issue. Any suggestions are greatly appreciated!
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You need the master switch to work for the other slave switches to work. Power should be feed to all the switches and ground is provided through the master switch. I have attached a wiring diagram for you to use that may help you out but I would be looking at the master switch.
Thank you! Would that cause the slave switch to work in only one direction (and the “wrong” one at that)? I thought it was the master switch, and I tried another from the junk yard and it didn’t solve the issue. I guess it’s possible I got a bad switch, though.
The wiring diagram is clear and readable on my end but when i post it here it looses its clarity. Tried reapplying but doesn’t look like it helped.
No. It’s blurry and unreadable no matter what I do. Also, do you think it’s the master switch given that I’ve tried two different switches (the original and one from a junk yard) and neither solved the issue? And sorry if this is a stupid question, but what am I supposed to do with this wiring diagram? Idk how to “read” one.
I don’t know how to read a wiring diagram and am not sure what to do with it. Also, do you think it was the master switch given that I tried the original plus another I got from the junk yard, and neither solved the issue? I could try a new one, as long as they’ll let me return it.
Just a suggestion here. One time I bought a new regulator and motor from Autozone and it worked in reverse of the switch position. Turns out whoever was working at the factory that day, pinned the motor wires backwards. It plugged up fine but just ran backwards.
How do I fix that? And would that cause it to run only in one direction? When it’s all the way up, it goes down when I pull the switch “up”. But once it’s all the way down, it will not go back up at all with the switch. I have to apply current directly to the motor lead to get it to go back up.
Theory being, with your window all the way down and the wires crossed, should you press “up”, you’re in fact commanding it down. Since it can’t go any further down, it won’t go down. If you’re motor operates fine, but just opposite of what you’re asking for, then its switched wires. Anything outside of that is most likely the master switch itself.
Ok. Thank you! But wouldn’t it go back up, then, when I press the switch “down”? It doesn’t, though. I know it could be the master switch, but I replaced it with one from the junk yard and that didn’t resolve the issue. I’ve found a new one on ebay for about $12. I may get that and just try it out. But I really dislike just throwing parts at a problem.
Right. If it were as simple as something as the wires being crossed then the reverse command would give you opposite movement. If that’s not the case, then you can dig deeper. Ideally, you’d want to put a multimeter set to DC Voltage and probe the motor wires. Up should give you positive/negative ~12V and down should give you the opposite value. Without a meter reading you’re shooting in the dark (throwing parts at the problem). If you know can work a meter then say here what the values are, if not throw a switch at it and see what happens. If the switch doesn’t fix it, then most likely the wires are broken in your door harness ( I’ve seen this happen too on camries)
I’ll try that tomorrow. I understand the basics of how to use a multimeter. So I probe the connection coming from the wiring harness that the motor plugs into, correct?
Thank you for this suggestion! I get 12 volts and change when I push the slave switch one way, and -0.18 V the other way. When I do the master switch, one direction gives 0.00 V. The other gives – 0.18 V.
Cool. My first thought is that either your master switch is no good or you’ve got a break in the wires between the master and slave switch. Which window is this?
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