Electric Window Controls work Intermittently!

#1
Hi
I'm hoping someone can point me in the right direction?
I have a 2002 Corolla T3 Spirit and the window controls are behaving erratically. I can wind the windows down sometimes! but not always back up! This is from all doors.

What is strange is that if I open the boot and close it again the buttons will work again and i can wind the windows up. But this is not always a reliable method so i'm always reluctant to lower the windows.

I'm also thinking that the loom in the Drivers door might be faulty, but would that affect all the doors controls?

Does anybody know if there is a cable or sensor in the boot that might effect the circuit?

Any suggestions, however outlandish welcome :)
 
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