Lexus Troubleshooting Questions? Ask a Lexus Expert
Hi, these are controlled and powered by the body control module, there has been several issues on these cars that has been resolved by removing, cleaning & replacing the connectors and fuses.
Here is a fuse diagram, fuses 10, 16 & 30 appear to be for hvac (heating, ventilation and cooling).
Here is a location picture also.
I hope this helps you, please rate five stars! :)
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What model Lexus do you have, I will get you the information you need.