Pasenger side window issue

[enjoyer]

O.k. i did a search, but nothing of that mater came up.
In the morning i found my pasenger side window half open. I'm pretty sure, that i closed it before the night. I thought maybe i forgot somehow to close it. Then, today i left the car a few minutes, came back and found the pasenger side window half open again. What the heck?

 

[S.A. supra]

weird. the windows dont have power when the key is in the off position.

 

[cjsupra90]

Do you know if the car has an aftermarket alarm with a window modual? If it does, I'd suspect a bad window modual (mine did that but it would roll down both all the way at random)... If it doesn't, then I really couldn't tell you except maybe a problem in the window regulator.

 

[enjoyer]

I forgot to mention, that the alarm is without window closing option. If i'm not mistaken, it's an original toyota one.
It's weird that the window droped without the key. Even if it were a short in the switch, it couldn't have rolled on it's own.