rudolfkoenig4
Sequoia AC Compressor Failure
Summary of the thread
The 2007 Toyota Sequoia experienced a complete shutdown of the AC compressor, with error memory indicating undervoltage. The belt tensioner and pressure switch appeared fine, suggesting other issues. The problem was traced to a faulty AC relay and wiring issues, which were resolved by a mechanic.
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4 comment(s)
rudolfkoenig4 (community.author)
Thanks! Where is the AC relay located in the Sequoia, and how can I test it before replacing?
marieeis99
I'm not familiar with the exact location on the Sequoia. My mechanic found it and confirmed the fault. I'd recommend taking it to a workshop.
rudolfkoenig4 (community.author)
Mechanic checked the A/C system. Faulty AC relay and wiring issues causing undervoltage. Total repair: 240€. Thanks for the help!
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TOYOTA
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SEQUOIA
marieeis99
I had a similar problem with my 2012 Jeep Grand Cherokee. Sounds familiar. Start by checking the AC relay; might be a simple fix.