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All audio etc. works OK as do all the other buttons but the Audio button no longer does anything, annoying!

anyone any ideas on cause/fix?

 

GS300 2007 model with ML.

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Anyone advise on this?

May pull head unit out and see if the front panel comes off to see if any loose connections?

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That's all I could suggest if everything seems fine functionality wise. Switches only have a finite life, and perhaps it's had it's. If you can get it out, you can test it and check for a bad connection etc. It'd be my first go, as if confirmed duff or good, least your heading on the right path then

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Took apart and button itself OK but pressing button on the underlying circuit board does nothing. So, either a circuit board problem or something?!

 

Lexus have car for service next week so have asked them to investigate. If a cheap fix the. I'll get them to do it. If something ridiculous like a new stereo then I'll see if I can get a circuit board from a scrappy/eBay/etc. as I doubt this is sold individually.

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 No joy on this, Lexus mechanics not trained/authorised to take stereo apart to fix so can only replace whole unit £2k+!!

i may get a car stereo electrician to take a look. Anyone recommend anyone? Sussex area if possible. Or should any auto electrician be able to handle this sort of thing?

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try Les Evans he is in shrewsbury tel 01743 450457

www.evanselec.co.uk

you will have to send it by post tho

HTH

Robert

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UPDATE:

 

Rather than taking out the unit and sending to auto electrician, I did something just as “cheap”. I got a replacement head unit online (eBay car dismantler) as a donor unit for £150. Had guarantee that was in working order so took a chance.

Took off front panel and fitted to connectors on my head unit and all works correctly.

Just swapped out circuit board (although I could have simply swapped front panels but they are different colour, mine is black whereas donor has a brown hint to it) and fitted. All working now so result!

 

I will eBay (it’s a 2006 ML unit) the donor head unit (non working Audio button of course!) to see if I recuperate some cost.

 

note I did not take photos of the process but if anyone wants more detail as to how I did this, I am happy to advise.

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Glad you got it sorted, and reasonably to. Better than 2k from Lexus, result!

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