armcomdes Posted August 24, 2022 Share Posted August 24, 2022 2007 ES350 Used ACPro for years. Always worked. AC light is blinking. I replaced AC relay with no luck Charged the refrigerant again, but Clutch not engaging. Little window near Out port shows no liquid. Vents blow regular air. Is it time for the dealer? Or am I missing something? Quote Link to comment Share on other sites More sharing options...
RX400h Posted August 24, 2022 Share Posted August 24, 2022 You might want to review this video: https://youtu.be/niKAYNDFhHM Lexus ES350 AC not working - causes and how to fix it (wheelsjoint.com) 1 Quote Link to comment Share on other sites More sharing options...
armcomdes Posted August 24, 2022 Author Share Posted August 24, 2022 Thanks. I have watched that video -- very comprehensive. I was looking for some simpler culprits like Low refrigerant/Relays/Fuses. Maybe something I overlooked. I'll check the cabin filter. Quote Link to comment Share on other sites More sharing options...
armcomdes Posted April 27, 2023 Author Share Posted April 27, 2023 Is there a way to pin point a sensor issue before dismantling the dash? When trying to top off the refrigerant, you have to set the system to high so it comes on and opens the flow. This isn't happening. Is this a sensor or relay that can be checked and replaced, or is it more complicated than this. Thanks in advance. Quote Link to comment Share on other sites More sharing options...
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