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Air Conditioner doesn't come on

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Air Conditioner doesn't come on - 6/16/2005 8:08:44 PM   
gsteward

 

Posts: 2
Joined: 6/16/2005
Status: offline
I have a '96 Devil and the AC control will not switch form "ECON" to "AUTO", so the AC pump never comes on. When I push the "AUTO/ECON" button, the LED shows it switching to AUTO, but as soon as I let go of the button it goes back to ECON. One day it was working fine, and then suddenly it didn't, so I am thinking it is an electrical issue. I checked the refirgerant level and it is good. Fuses in the fuse box are good. I replaced the AC relay in the fuse box just to be sure. So all the easy fixes have been tried.

** Update on the problem**
I disconnected the battery for a few minutes, to reset the computer, and the A/C worked normally for about an hour, then the problem returned (it was a very hot day, for Denver Colorado). I reset the computer again, and now it has worked for two days, which amounts to about 3 hours of my wife cruising around town.

What could be causing this????

< Message edited by gsteward -- 6/27/2005 6:35:13 PM >
Post #: 1
RE: Air Conditioner doesn''t come on - 8/2/2008 12:01:55 PM   
cadillacstyle

 

Posts: 8
Joined: 8/2/2008
Status: offline
I had that problem about three weeks ago, i had my ac converted over to the 134a. but the ac never came on, even on defrost it never came on. then i found out that computer needs to be cleared of fault codes. so i got info on how to clear. then the ac come right on. hope it helps you. Cadillacstyle

(in reply to gsteward)
Post #: 2
RE: Air Conditioner doesn''''t come on - 8/2/2008 12:55:27 PM   
carnut

 


Posts: 350
Joined: 2/23/2008
Status: offline
If you have no codes, you are low on freon!!

_____________________________

2 1984 Eldos, 1991 Allante, 88 Allante (sold)

(in reply to cadillacstyle)
Post #: 3
RE: Air Conditioner doesn''''''''t come on - 8/3/2008 10:03:42 AM   
brougham1

 


Posts: 385
Joined: 7/5/2006
Status: offline
Could also be your Ambient sensor or the in car sensor, which is for temp. set.

(in reply to carnut)
Post #: 4
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