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DenScholz

Problems with heating, cooling and mirror de-icing on the 2005 Toyota Highlander - suspected fault with the misting sensor

Hey guys, I have a problem with my 2005 Toyota Highlander with a gasoline engine and need your opinion. The car no longer heats and cools properly and the mirror doesn't defrost either. I think it could be the misting sensor, but I'm not sure. Has anyone had similar experiences and can give me some troubleshooting tips? How did your garage solve the problem? Thank you very much for your help.

(Translated from German)

Summary of the thread

A 2005 Toyota Highlander is experiencing issues with heating, cooling, and mirror de-icing, suspected to be related to a faulty misting sensor. A similar problem in a 2007 Toyota RAV4 was resolved by fixing a faulty cable connection. Other potential causes include issues with the thermostat, coolant, or heater fan. The car will be taken to a garage for a professional diagnosis and repair.

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4 comment(s)

MoriGlas

Hey, I once had a similar problem with my 2007 Toyota RAV4, but I'm not exactly a car expert, I just have a bit of experience. I ended up with a faulty cable connection. I then had to go to the garage and they repaired it for 155 euros. Can you perhaps give me more detailed information about your car? Then I might be able to help you a little more precisely.

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DenScholz (community.author)

Thank you for your answer. My Highlander has already done 265804 KM and had its last service about a month ago. Are you sure it could be the cable connection? I will definitely take it to the garage, but your opinions and experiences are very helpful for me. Thank you very much!

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MoriGlas

Hey, with the number of kilometers your car has already experienced a lot. In my RAV4, it was definitely the cable connection. Of course, I can't promise that it's exactly the same with your Highlander. It could also be other things like the thermostat, the coolant or even the heater fan that are causing problems. In any case, it's good that you're taking it to the garage. I'm sure they can tell you exactly what the problem is. Hopefully it's nothing too expensive. Good luck!

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DenScholz (community.author)

Thank you for the feedback and wishes. Hopefully it's not too much of a problem. I will try to remember the thermostat, coolant or blower when I talk to the mechanic. It would be really great if the problem was as easy to solve as yours. I'll get back to you when I know more. Thanks again for your willingness to help!

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TOYOTA

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HIGHLANDER