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My problem is this. First, my a/c is off (light not illuminated) But when I turn my fan on, cold or hot air blowing, while the dial is in the windshield defrost mode (not rear defrost) and windshield/feet, I can hear my a/c compressor turn on and the a/c light illuminates! But in any other mode, (Blowing out the dashes, dash and feet or what ever) the a/c compressor doesn't turn on, only in the windshield and windshield/feet mode. What is the problem?? This shouldn't be happening, right? Electrical problem maybe? Any ideas?

 
Rep Power: 282

When you have the front defroster on the ac stays on. It's the way the car is supposed to be. No clue why it does. There is a DIY to be able to turn it off during the front defrost though, I think.

 
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This is normal operation. The A/C compressor cycles in defrost mode to dehumidify the cabin. It also has the added benefit of keeping the A/C compressor lubricated during the winter months.

 
Rep Power: 312

^^^^ its suposed to do that
if it didnt your windshield would never defog on the inside

 
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Wow, you guys are quick! lol

Suppose to be like that eh? Hmmm. I guess it makes sense. The thing is, my friend has a 2004 Honda Civic and his doesn't do this. I guess Honda received similiar questions like mine towards this issue and decided to fix this. Thanks though for your guys input. Much appreciated.

 
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Search for the DIY and you can turn it on and off whenever you want.

 
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I searched for a topic that would tell me how to turn the light on and off but I got nothing. And no, the light simply just doesn't turn on/off when pushed in the windshield defrost mode, only in the other modes does the light go out when a/c button is pushed.

 
Rep Power: 307

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