2002 Corolla Turning the AC on when defrosting
in [Toyota]
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From: Jane Galt on 28 Jul 2010 01:44 "Ray O" <rokigawa(a)NOSPAMtristarassociates.com> wrote : > ><nm5k(a)wt.net> wrote in message > news:c1a243a5-ecbc-4120-b5f6-a124629d1a7e(a)w30g2000yqw.googlegroups.com... > On Jul 27, 10:08 pm, Jane Galt <Jan...(a)gulch.xyz> wrote: >> When the windshield fogs up a little and we direct the vents up there to >> clear it, it turns the AC compressor on and freezes us. >> >> Did they seriously design the car this way, or is something wrong? >> >> Because this is NOT gonna be fun when it's 0 degrees outside and it's all >> we >> can do to heat the car, and because the vents are set on the windshield, >> to >> keep it clear, the AC is running too. >> >> -- >> - Jane Galt > > Totally normal. The dry air clears the glass much faster. You can > still > set the temp to whatever is comfortable. The air does not have to be > cold. > It can be set to hot, and with the compressor on, the air will be > plenty > warm but dry. If the air is too cold, crank the temp setting up. > > ********* > Toyota AC systems have been set up this way for a long time. If the temps > are below freezing, the AC light will still be illluminated but the > compressor won't energize. Actually on ours, the AC compressor button light is not illuminated, but it gets cold as hell very quickly so it's running. Why have to waste gas on that? It's crazy, especially when we have a dry climate here anyway. ( this aint Japan ) I sometimes get out of the car when it's rained lightly and the ground is a little wet, yet I get popped by static from the seat. That's how dry it can be here. It can be dryer here when it's raining than it is on a sunny day in Miami. ;-) -- - Jane Galt
From: Jane Galt on 28 Jul 2010 01:50 =?iso-2022-jp?q?Hachiroku_=1B$B%O%A%m%=2F=1B=28B?= <Trueno(a)e86.GTS> wrote : > On Tue, 27 Jul 2010 22:08:17 -0500, Jane Galt wrote: > >> When the windshield fogs up a little and we direct the vents up there >> to clear it, it turns the AC compressor on and freezes us. >> >> Did they seriously design the car this way, or is something wrong? >> >> Because this is NOT gonna be fun when it's 0 degrees outside and it's >> all we can do to heat the car, and because the vents are set on the >> windshield, to keep it clear, the AC is running too. > > > You'll never notice it. My gas bill will notice it, and it puts wear on the compressor. > > In this case, the AC is acting like a dehumidifer, removing moisture > from the air and clearing the windshield faster. Works great on those > days when the humidity is high, it's raining and the windows are all > fogged up. > > The temp control blends the air coming into the cabin, so on cold days > even with the ac on it's still warm. > > I just don't like turning on the AC every time I was to use the > defroster. My Grand Voyager had a little arm in the control box that hit > the AC button from inside the box when you turned on the defroster. > First thing I "removed" when I found out how it worked... <SNAP!> ;) > (I can activate the AC all by myself, thank you!) > > I wouldn't try that with your car...it's probably electronic If I could modify the car, I'd put a switch in there to select headlights on all the time, or not. I'd put a darn thermostat in for the AC compressor so we dont have to do that by hand. ( the AC is SO cold in this car that if it's cloudy in the summer, we have to keep switching the ac button on and off! ) And I'd put in an option switch to either turn on the AC compressor in the windshield mode, or not. More options are better, especially when they cost almost nothing. You know, I was with someone in a Cadillac in the early 70's and we were driving at night, and the Caddy dimmed its headlights automatically when an oncoming car appeared, then turned them back up after it passed. I remember being in awe of how advanced that was for that time, but they still dont even do that in these cars, despite it being a really inexpensive thing to do. -- - Jane Galt
From: FatterDumber& Happier Moe on 28 Jul 2010 07:57 Jane Galt wrote: > When the windshield fogs up a little and we direct the vents up there to > clear it, it turns the AC compressor on and freezes us. > > Did they seriously design the car this way, or is something wrong? > > Because this is NOT gonna be fun when it's 0 degrees outside and it's all we > can do to heat the car, and because the vents are set on the windshield, to > keep it clear, the AC is running too. > > Do you have the vent setting on outside air or recirculate? If it's on recirculate the only way to remove moisture in the air is to run the AC or open a window, I guess you could leave a door open.
From: JoeSpareBedroom on 28 Jul 2010 08:32 "Jane Galt" <Jane_G(a)gulch.xyz> wrote in message news:Xns9DC2F123B1CD2JaneGgulchxyz(a)216.196.97.142... > nm5k(a)wt.net wrote : > >> On Jul 27, 10:08 pm, Jane Galt <Jan...(a)gulch.xyz> wrote: >>> When the windshield fogs up a little and we direct the vents up there to >>> clear it, it turns the AC compressor on and freezes us. >>> >>> Did they seriously design the car this way, or is something wrong? >>> >>> Because this is NOT gonna be fun when it's 0 degrees outside and it's >>> all >> we >>> can do to heat the car, and because the vents are set on the windshield, >> to >>> keep it clear, the AC is running too. >>> >>> -- >>> - Jane Galt >> >> Totally normal. The dry air clears the glass much faster. You can >> still >> set the temp to whatever is comfortable. The air does not have to be >> cold. >> It can be set to hot, and with the compressor on, the air will be >> plenty >> warm but dry. If the air is too cold, crank the temp setting up. >> >> >> > > Why be forced to run the AC in the winter? It makes no sense. > > -- > - Jane Galt It makes perfect sense. If the windshield is fogged on the INSIDE, what you need is dry air. The best way to get dry air is for the compressor to kick in. At least 90% of drivers are incompetent, so this easy science concept escapes them. Toyota takes care of the problem correctly.
From: JoeSpareBedroom on 28 Jul 2010 08:35
"Ray O" <rokigawa(a)NOSPAMtristarassociates.com> wrote in message news:i2odk5$fnp$1(a)news.eternal-september.org... > Toyota AC systems have been set up this way for a long time. If the temps > are below freezing, the AC light will still be illluminated but the > compressor won't energize. > > Ray O Actually, the compressor DOES kick in regardless of temperature in my 02 Tacoma. I can shut OFF the AC manually if I want to and it'll stay off until the next time I select defrost or start the car when the vent selector is in the defrost position. |