C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Electronic A/C problem

Old Jun 8, 2003 | 05:48 PM
  #1  
Larrym96815's Avatar
Larrym96815
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Default Electronic A/C problem

The electronic A/C on my 91 just stopped blowing cold air. The blower runs but the compressor clutch does not engage. I had the freon level checked and it is okay. The light on the dashboard above my A/C "on" switch is now flashing instead of staying green. Any help appreciated.

Aloha,
Larry


[Modified by Larry Mackey, 12:36 PM 6/8/2003]
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Old Jun 8, 2003 | 06:54 PM
  #2  
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don hall
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Default Re: Electronic A/C problem (Larry Mackey)

The flashing light means "trouble code(s)" are stored.

To retrieve codes: push and hold the fan "up" arrow and the fan "down" arrow at the same time for 5 seconds. The LCD will show "00". Push "auto fan" and the LCD will show codes that are stored. The most common is 09 - low freon. Post the codes, and we will help.
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Old Jun 8, 2003 | 07:34 PM
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Larrym96815
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Default Re: Electronic A/C problem (Oldman)

Thanks, I will try it. Should the key be on or off when pushing the buttons?

I actually read the owners manual and it says to pull #1 and #17 fuse and it will reset. I tried it and it worked. I will still try to read the codes though, thanks again.

Aloha,
Larry
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Old Jun 8, 2003 | 07:43 PM
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Default Re: Electronic A/C problem (Larry Mackey)

Yes, ignition "on".

When you push the "Auto Fan" button, and the LCD still displays "00", that means that there are no trouble codes stored.
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Old Jun 8, 2003 | 08:29 PM
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Default Re: Electronic A/C problem (Larry Mackey)

I have the same exact problem but I don't know if my freon is up to the right level.
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