Odd that the heated screen is working. I always thought the CCU cut that off if a fault was logged.
Can you feel any loose metal wire thread inside the rear door? That's what runs the window up and down. It should have no breaks and slightly taught to the touch.
Activating the motor require a 12v supply and looking at the diagram above posted by @Nodge68 . Just a brief touch would make the motor move, then it's a fuse or relay, if no movement, it's the motor. Getting at the wires is a bit more work than just saying it, sorry.
Mike
LOL, It was simple then, told you so!I started to strip out the tailgate side trim where the relay is located and then remembered that I needed to remove the bottom trim under the tailgate door before I could remove the panel.
As it was absolutely chucking it down prior to snow arriving later, I thought sod it, and checked all the cables inside the tailgate door as best I could. I found the connector to the regulator and gave it a good wiggle.
I was about to go in for a cup of tea when I thought why not try the switch and listen for the relay clicking.
So, I started it up and whilst squeezed in the boot area, I pressed the console button and I heard the click of the relay. I then realised I could hear more than just a click and noticed the metal frame holding the rear glass moving slightly as I jabbed at the button. I took the tape off that I used to keep the rain out and tried the switch again. The window came down fully, then I brought it fully back up. The rear wiper is now working again, so is the rear window heater.
So, I am guessing that the connector to the regulator was not fully making contact. When the rain stops I will unplug the connector and give it a good clean with switch cleaner and then some WD40.
I just hope this lasts. I didn't fancy having to drive it in the snow we are expecting with no rear wiper and no rear heated windscreen.
I then went indoors and there was a knock at the door. It was my replacement relay!
Assuming all keeps working well, a big thank you to all on here as usual for your suggestions and help. Much appreciated.
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