SC430 - 2nd Gen (2001-2010)

Hot air out of AC when AC + Fan off and roof down

Thread Tools
 
Search this Thread
 
Old 08-20-09, 10:02 PM
  #1  
IStoSC
Lead Lap
Thread Starter
 
IStoSC's Avatar
 
Join Date: Aug 2009
Location: FL
Posts: 620
Likes: 0
Received 2 Likes on 2 Posts
Default Hot air out of AC when AC + Fan off and roof down

So I finally got my SC today after nearly a week of waiting for some service to get done. The car drives beautifully and it was a perfect day to use it with the top down. I noticed a weird issue (problem?) though it occurred only once--noticeably. I left the AC + Fan off, but for whatever reason at a red light hot air started blowing out of all the vents. When I started accelerating the air started cooling down. At the next light I turned on the Fan + AC and the problem seemed to have resolved (I hope). Is it normal for this car to have air blowing out of the vents when the Fan is turned off and the top is down?
Old 08-20-09, 11:53 PM
  #2  
CAMAracer
Pole Position
iTrader: (1)
 
CAMAracer's Avatar
 
Join Date: Apr 2008
Location: CA
Posts: 354
Likes: 0
Received 1 Like on 1 Post
Default

Oh yes, that "problem." I believe the car has a mind of its own and does it automatically. Might have something to do with your set temperature...other owners have run into this phenomenon as well. Try turning off the "auto" lights for both the AC and the vents. But I'm sure this topic was discussed in another thread somewhere.
Old 08-21-09, 02:22 AM
  #3  
Lexiss_sc430
Lexus Champion
iTrader: (2)
 
Lexiss_sc430's Avatar
 
Join Date: May 2002
Location: California
Posts: 2,560
Likes: 0
Received 2 Likes on 2 Posts
Default

just make sure that when you turn off the air the temperature setting is below 75-77. that way once the air is off hot air wont blow thru the vents.
Old 08-21-09, 05:01 AM
  #4  
tromly
Pole Position
 
tromly's Avatar
 
Join Date: Mar 2009
Location: VA
Posts: 3,426
Received 7 Likes on 7 Posts
Default

Originally Posted by Lexiss_sc430
just make sure that when you turn off the air the temperature setting is below 75-77. that way once the air is off hot air wont blow thru the vents.
+1 Lexiss, I always have the setting 75 or below and never have a problem
Old 08-21-09, 12:10 PM
  #5  
JohnnyCake
Racer
 
JohnnyCake's Avatar
 
Join Date: Feb 2007
Location: DC
Posts: 1,637
Received 56 Likes on 40 Posts
Default

Check out this thread (which even has pictures). Solved the problem for me:

Climate control: OFF doesn't mean OFF
Old 08-21-09, 07:23 PM
  #6  
IStoSC
Lead Lap
Thread Starter
 
IStoSC's Avatar
 
Join Date: Aug 2009
Location: FL
Posts: 620
Likes: 0
Received 2 Likes on 2 Posts
Default

you guys are seriously the best...
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
logix1229
IS - 3rd Gen (2014-present)
6
04-26-19 12:04 AM
Lveyolfe
IS - 3rd Gen (2014-present)
23
07-23-17 09:05 PM
landolexus
GS - 4th Gen (2013-2020)
8
09-25-15 12:10 PM
glm
IS - 2nd Gen (2006-2013)
11
12-09-14 09:00 AM
BeginnerIS
IS - 1st Gen (2001-2005)
5
07-28-11 11:56 AM



Quick Reply: Hot air out of AC when AC + Fan off and roof down



All times are GMT -7. The time now is 12:59 AM.