Cabin Fan Programming
Thread Starter
Racer
Joined: Oct 2008
Posts: 401
Likes: 5
From: Magnolia Texas
Cabin Fan Programming
I need some help with understanding the programming of the auto operation of the cabin fan. I've searched but found nothing and read my manual to no avail. My problem is the fan in the cabin turns on by itself after I've been running the A/c and then shut the car off. I've read some posts in the past that you can program the fan to come on to dry out the evaporator and help eliminate the musty odor from the water sitting there. I would like to de-program mine so it doesn't come on after I've turned the car off. Any help or advice will be appreciated. 
Pro
Joined: Sep 2006
Posts: 655
Likes: 114
From: Orange County, Southern California
I need some help with understanding the programming of the auto operation of the cabin fan. I've searched but found nothing and read my manual to no avail. My problem is the fan in the cabin turns on by itself after I've been running the A/c and then shut the car off. I've read some posts in the past that you can program the fan to come on to dry out the evaporator and help eliminate the musty odor from the water sitting there. I would like to de-program mine so it doesn't come on after I've turned the car off. Any help or advice will be appreciated.
Le Mans Master
Joined: Feb 2007
Posts: 8,514
Likes: 235
From: Currently somewhere in IL,IN,KY,TN,MO,AR,MS,AL, or FL
No, the time is a fixed 4 minutes. There are no adjustments. After-blow is either turned on or it is not. If it is turned on the fan will operate between medium and high for 4 minutes after the engine has been shut off. The outside temperature must be above 70F. The A/C must have been on for more than 2 minutes. The engine must be off for at least 45 minutes, and the system voltage must be above 12 volts. I would think that last requirement would eliminate your concern.
Thread Starter
Racer
Joined: Oct 2008
Posts: 401
Likes: 5
From: Magnolia Texas
No, the time is a fixed 4 minutes. There are no adjustments. After-blow is either turned on or it is not. If it is turned on the fan will operate between medium and high for 4 minutes after the engine has been shut off. The outside temperature must be above 70F. The A/C must have been on for more than 2 minutes. The engine must be off for at least 45 minutes, and the system voltage must be above 12 volts. I would think that last requirement would eliminate your concern.
Tech Contributor
Joined: Oct 1999
Posts: 41,037
Likes: 9,801
From: Charlotte, NC (formerly Endicott, NY)
Bill
Safety Car
Joined: Jul 2006
Posts: 4,792
Likes: 98
From: Marlborough Ma
If I read it correctly, the fan doesn't start until 45 min. after shutdown. Is that when your fan starts? Have you timed it? If so, how long does it run? If it's different than stated, you may have to take it in.
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