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Old 07-07-2004, 11:03 PM   #1
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Default Can anyone help me fix my ECC problem?

MY ECC system works fine accept for two things. Regardless of where the arrows are pointing, it'* always on Floor/defrost. Also, regardless of RECIRC being on off, it'* always in non-recirc mode.

Someone said it might be vacuum problem. Where do I begin? Could it possibly be a solenoid?

Can someone walk me thru a repair?

TIA.
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Old 07-08-2004, 03:17 AM   #2
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My only experience of this happening was caused by a vacuum leak. My supply line from the reservoir next to the brake master cylinder had been knocked off when I cahnged my rear spark plugs.

Good luck.
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Old 07-08-2004, 03:31 PM   #3
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Default Re: Can anyone help me fix my ECC problem?

Quote:
Originally Posted by DJ SHO
MY ECC system works fine accept for two things. Regardless of where the arrows are pointing, it'* always on Floor/defrost. Also, regardless of RECIRC being on off, it'* always in non-recirc mode.

Someone said it might be vacuum problem.
Right. The display is showing you which vents it wants to use, but without a vacuum source, it can't actually move its ducts and servos to those settings.

Quote:
Where do I begin? Could it possibly be a solenoid?
No, you don't really have any solenoids involved, although there are motors to move mixture doors and such. However, a problem there usually sets a code and blinks the temperature display at you for the first two minutes after startup. Since you didn't mention a blinking temperature display, it doesn't sound like you have a fault there.

Quote:
Can someone walk me thru a repair?

TIA.
Start by examining the vacuum lines under the hood, especially at the vacuum booster/reservoir on the firewall just inboard of the master cylinder, to see if something'* gotten broken or knocked off. If there'* nothing suspicious there, look inside, under the dash, especially if somebody'* been working on the interior for any reason, or if you hear any hissing or wheezing noises from behind the dash when the engine is idling.
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Old 07-09-2004, 09:20 AM   #4
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It was the vacuum line that fell off. Slipped it back on and all is well in Electronic Climate Control World.

Thanks guys.
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