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2005 Highlander Automatic Climate Control Stuck in 'Auto'

2.6K views 6 replies 3 participants last post by  C R  
#1 ·
Car has automatic climate control. The 'auto' button is green and pushing it does not turn the green led off or go into manual mode. Where you can control fan speed.

Ideas?
 
#4 ·
Try running the self test.
The procedure is in the post below, a bit buried.

 
#5 ·
Try running the self test.
The procedure is in the post below, a bit buried.

Ran test. No error codes. Everything seemed fine.

I did resolder the ribbon wire on the fan speed selector some time ago. I rechecked the ribbon and seemed fine.
Maybe should check again.