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XC90 rear door window switch backlight not working

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo XC90s. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America).
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anothevolvofan
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XC90 rear door window switch backlight not working

Post by anothevolvofan » Sat Aug 17, 2019 12:51 pm

I noticed my XC90 (2007) rear door window switch backlight does not work on both rear doors.

But then I started to think that are they even backlit...
Can any other XC90 owner confirm if rear door windows switches are with backlight or not?
Last edited by anothevolvofan on Sun Aug 18, 2019 2:21 am, edited 1 time in total.
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RickHaleParker
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Re: XC90 rear door window switch backlight not working

Post by RickHaleParker » Sat Aug 17, 2019 11:05 pm

On my 2005 XC90 the rear door switches are backlit.
Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0,
Plant Torslanda Sweden.
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1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold
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SuperHerman
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Re: XC90 rear door window switch backlight not working

Post by SuperHerman » Sat Aug 17, 2019 11:25 pm

Not sure on your car, but I have taken apart a few Volvo switches and on some of them they have a bulb in them. I suppose you can pop it off and open the switch to see if it has an internal bulb. Other option is to pull the wiring diagram or try and find the replacement part (bulb) listing. Then it is possible that it is trim level dependent. One other query is to see if it is main light switch related.
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anothevolvofan
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Re: XC90 rear door window switch backlight not working

Post by anothevolvofan » Mon Aug 19, 2019 1:34 am

It's solved! When window lift switch lock is active (like I had) then window switch backlight is not on. Quite clever design!
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