- #121 of 150
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Re: Thanks all who responded to 40 mpg club. [tankbeans]
by thegraduate
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Nov 24, 2007 (8:21 am)
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Replying to: tankbeans (Nov 24, 2007 5:04 am)
Both answers are a definitive 'NO' to the best of my knowledge.
The A/C still automatically comes on when you select defrost. The only difference is that this time the A/C light comes on, and you have the option of turning it off.
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- #122 of 150
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Re: Thanks all who responded to 40 mpg club. [tankbeans]
by dudleyr
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Nov 25, 2007 (7:08 pm)
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Replying to: tankbeans (Nov 24, 2007 5:04 am)
I have been running the a/c 'hack' for several months with no issues. Not only does the car stay hacked, it even remembers that the a/c is off. I usually run with foot/defog most of the winter, and dont have to worry about the a/c coming on when it is above freeziing.
What prompted this was 3.5 hour trip in the rain at 50 degrees. The a/c ran the whole time, when at that temp, and for that distance the heat/defog would have been fine.
Keep in mind that the rest of the world is more frugal with gas than us. They would not stand for loss of control over the a/c. All we have done is make the car like most foreign Accords.
Grad - no problem reposting, the more that know the better. I did not discover this just dug it up from some older posts.
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- #123 of 150
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Re: Thanks all who responded to 40 mpg club. [thegraduate]
by tankbeans
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Nov 26, 2007 (3:48 pm)
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Replying to: thegraduate (Nov 24, 2007 8:21 am)
Can you restore the factory settings if at any point you want to or do you need to disconnect the battery? I just want to make sure because that might have a small effect on resale value. Otherwise, I'll do it simply because I've never had a car with A/C on no matter what when the defog is on.
Don't mean to ask so many questions.
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- #124 of 150
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Re: Thanks all who responded to 40 mpg club. [tankbeans]
by thegraduate
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Nov 26, 2007 (6:32 pm)
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Replying to: tankbeans (Nov 26, 2007 3:48 pm)
Can you restore the factory settings if at any point you want to or do you need to disconnect the battery? I just want to make sure because that might have a small effect on resale value. Otherwise, I'll do it simply because I've never had a car with A/C on no matter what when the defog is on.
Don't mean to ask so many questions.
Hey buddy, how else can you learn other than by asking? Don't sweat it, and ask away.
I believe a battery disconnect/reconnect should do the trick, although honestly, I can't say for sure. Dudleyr, can you field this one?
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- #125 of 150
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Re: Thanks all who responded to 40 mpg club. [dudleyr]
by tankbeans
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Nov 29, 2007 (12:56 pm)
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Replying to: dudleyr (Nov 25, 2007 7:08 pm)
I think I finally figured it out, but I do have a question. When you say that the car 'remembers' that the A/C is off when you shut down the car do you also mean that it remembers when you choose a different ventiliation method (i.e. top vent, foot vent, mix vent)?
In other words if you turn on the defrost and shut off the A/C, then switch it to just top vent, then go back to defrost, does it also remember that the A/C is off then? Should it essentially act like my 95 did when I turned on the defrost and had to use A/C to dry the air?
Sorry if this is confusing. Sometimes I have trouble explaining myself.
If this is how it should work, then thanks for the tips. If this is way off, thank you anyway for trying to help. User error is common here. 
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- #126 of 150
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Re: Thanks all who responded to 40 mpg club. [thegraduate]
by tankbeans
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Sep 01, 2009 (7:59 pm)
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Replying to: thegraduate (Nov 23, 2007 7:23 pm)
I was looking through some old posts and found the A/C hack that I'd tried to perform in 2007, but which didn't work. I would like to avoid having my compressor come on when my Defroster is running since right now my car is misty in the morning. Temperatures are dropping up here in MN.
The only light that flashed after I did the "hack" was the Recirculation light. I don't know if this worked, but I will report back tomorrow after work. Hopefully it worked I just don't know since the A/C light didn't illuminate.
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- #127 of 150
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A/C hack, is it working?
by thegraduate
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Sep 02, 2009 (5:01 am)
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Replying to: tankbeans (Sep 01, 2009 7:59 pm)
To know if it worked, crank the car, with fan running, disengage the a/c then turn off the fan completely.After choosing the defrost option, turn on the fan on low so you can hear the a/c engage. You should see hear the a/c turn off and on once you pressthe button, and the light should now be an accurate assessment of whether or not the a/c is engaged. I just redid the hack a couple of months ago thanks to a new car battery.
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- #128 of 150
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Re: A/C hack, is it working? [thegraduate]
by jhinsc
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Sep 02, 2009 (8:49 am)
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Replying to: thegraduate (Sep 02, 2009 5:01 am)
On my 08 when I turn on the defrost, the a/c comes on. But if I then press the A/C button, the a/c turns off and the defrost mode continues without it. I can't recall if my previous 06 did that.
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- #129 of 150
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Re: A/C hack, is it working? [thegraduate]
by tankbeans
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Sep 02, 2009 (11:41 am)
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Replying to: thegraduate (Sep 02, 2009 5:01 am)
Thanks grad. I will be checking that when I get home and have a chance. I think the compressor was running this morning, but I'm not entirely sure. I know I went through the process 3 times yesterday to see if the A/C light would go on, obviously it didn't. Maybe it is like a toggle switch, as stated by dudley I believe, so maybe I turned it off then on then off. I've since done it a fourth time to hopefully have it off again. Just to be clear I have to have the car on to make sure that it is running because the compressor won't run if the car is off. Correct?
Thanks again for all the help. I'm wanting to get this working soon, because I'll be using the defroster to defog the windows and don't necessarily want to have to toggle back and forth between defrost and vent in order to prevent the compressor from kicking in all the time.
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- #130 of 150
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Re: A/C hack, is it working? [thegraduate]
by tankbeans
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Sep 02, 2009 (2:51 pm)
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Replying to: thegraduate (Sep 02, 2009 5:01 am)
I don't think it is. I turned my defroster on and the light stayed out and then I could feel the compressor kick in. Perhaps I did it wrong again. 
Perhaps I missed a step. Dudley do you think I'm missing something? Grad has been very helpful, but the more opinions I can get the better.
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