Air Conditioner operation issue

ayansgp · 02-28-2006, 11:22 PM

I have found this problem on my LX by accident. The AC should stay on by default for any of the two defrost settings. If you have your air switched to Foot-defrost and then select the Foot only setting the AC doesn't go off. But, if you hit the Face or Face-Foot button the AC goes off. Now if you switch to Foot only switch the AC stays off. I will ask my dealer to check this. But, I have a feeling that this is a bug in the HVAC control panel operation. Let me know if you find a similar issue.

medcina · 03-01-2006, 08:04 AM

I'm not sure if this has any bearing on your "issue" but it says in the owner's manual that if any of the defrost settings are selected the AC turns on. The AC will remain on if any other non-defost setting is chosen until the car is turned off even if the light on the AC button isn't lit. To turn it off manually without turning off the car, you have to press the AC button in and then out while having a non-defrost mode selected.

Do you mean that the AC light comes on when you select just the foot area even if the button isn't depressed? I haven't played with it enough to know if mine does this too but will try and remember to check.

DanPorges · 03-01-2006, 11:05 AM

my AC doesnt turn on when i have the defrost and foot mode selected. Then again, my lights dont work right at all so who knows!

honda93 · 03-01-2006, 01:21 PM

Quote:

Originally Posted by ayansgp

I have found this problem on my LX by accident. The AC should stay on by default for any of the two defrost settings. If you have your air switched to Foot-defrost and then select the Foot only setting the AC doesn't go off. But, if you hit the Face or Face-Foot button the AC goes off. Now if you switch to Foot only switch the AC stays off. I will ask my dealer to check this. But, I have a feeling that this is a bug in the HVAC control panel operation. Let me know if you find a similar issue.

Same thing!

From any defrost-to foot-only it'll still come on, and it'll stay off if one goes from any face-to-foot setting. Frankly, I'd like to know to if there is a way to set up the system that the A/C won't come on without me telling it to do so. Sometimes, you just don't need the A/C to come on if you want the windshield to get direct air. The only solution there is to make sure the system is OFF and then select whatever mode you'd like, but then you had better make sure the car is moving fast enough to channel air through the cowl area, and that FRESH air is selected.

Not a problem, just a quirky annoyance.

PokeyD16Z · 03-01-2006, 07:28 PM

Yes, when you use the two windshield functions, the AC turns on (the light won't show). When you switch to anything else from these, the AC still stays on (again, light won't show), but you can press AC twice to turn it off (in modes other than the windshield). There is a sequence on how to turn off the automatic AC selection in the windshield functions. I've done it. Now, when I go into the windshield functions, the AC lights, but I can turn it off easily. I'll find the sequence.

PokeyD16Z · 03-01-2006, 07:51 PM

Try this:
1. Turn Car Off.
2. Turn Temperature Knob To Full Blue (All the way to the left - Counter-Clock Wise).
3. Turn Vent Knob To Off (All the way to the left - Counter-Clock Wise).
4. Hold Down Air Recirculation Button As Well As A/C Button.
5. Keep Both Buttons Depressed and Start Car.
6. Keep Both Buttons Depressed for 7 Seconds.
*AC LIGHT SHOULD BLINK*

If that doesn't work, try doing it all over again but with the location control to the face (upper vents only).

Skyline · 03-01-2006, 08:30 PM

Cool, it worked! I don't like that the light doesn't come on by default. That seems kind of sneaky to me. I had no clue the AC has been running this whole time! Why didn't they include the directions to shut that feature off in the manual?

Anyway, one small note...when you do these steps, the recirculation button flashes before the AC button flashes. I kept letting go once the recirc button flashed, which didn't work. I finally held it long enough for the AC button to flash and that finally did the trick.

PayBack · 03-02-2006, 11:25 AM

Quote:

Originally Posted by PokeyD16Z

Yes, when you use the two windshield functions, the AC turns on (the light won't show). When you switch to anything else from these, the AC still stays on (again, light won't show), but you can press AC twice to turn it off (in modes other than the windshield). There is a sequence on how to turn off the automatic AC selection in the windshield functions. I've done it. Now, when I go into the windshield functions, the AC lights, but I can turn it off easily. I'll find the sequence.

Just to clarify..... the A/C stays on when you switch from either defrost mode into the foot-only mode. The A/C will turn off, however, if you switch from either defrost mode directly to one of the face modes (face only or face/foot mode).
--------------------------------------------------------------------------
I like the secret work-around procedure you posted, I'm gonna try that out. And I assume you can go back to the factory setup by repeating the sequence again?
I wonder how many other hidden tricks are waiting to be discovered.

Skyline · 03-02-2006, 11:28 AM

Quote:

Originally Posted by PayBack

Just to clarify..... the A/C stays on when you switch from either defrost mode into the foot-only mode. The A/C will turn off, however, if you switch from either defrost mode directly to one of the face modes (face only or face/foot mode).
--------------------------------------------------------------------------
I like the secret work-around procedure you posted, I'm gonna try that out. And I assume you can go back to the factory setup by repeating the sequence again?
I wonder how many other hidden tricks are waiting to be discovered.

Yeah, I haven't tried to go back to factory, but I'm assuming that will work. Have you tried it, Pokey?

And again...I'm still very curious how you found this little secret out :)

PayBack · 03-02-2006, 11:43 AM

Quote:

Originally Posted by Skyline

Cool, it worked! I don't like that the light doesn't come on by default. That seems kind of sneaky to me. I had no clue the AC has been running this whole time! Why didn't they include the directions to shut that feature off in the manual?

Anyway, one small note...when you do these steps, the recirculation button flashes before the AC button flashes. I kept letting go once the recirc button flashed, which didn't work. I finally held it long enough for the AC button to flash and that finally did the trick.

I agree about that A/C light. They should have had a dual color LED on the A/C button; illuminating amber whenever you are in one of the defrost modes (to match the defrost button), and illuminating green when out of defrost mode and actually running cold air A/C.

And thanks for your small note on the work-around steps, gives me a good shot at getting it the first try--

PayBack · 03-02-2006, 11:49 AM

Quote:

Originally Posted by Skyline

And again...I'm still very curious how you found this little secret out :)

He could tell us, but then he might have to kill us.

CivicWithNav · 03-02-2006, 12:25 PM

i was wondering why my gas mileage has been so horrrible... the A/C was on the whole time and i didnt' even know about it

Skyline · 03-02-2006, 12:31 PM

Quote:

Originally Posted by CivicWithNav

i was wondering why my gas mileage has been so horrrible... the A/C was on the whole time and i didnt' even know about it

I've been getting around 35 with the AC running a lot. Can't wait to see what I get now.

Although, admittedly, I turn everything off and roll the windows down every chance I get, so I haven't had the AC on 100% of the time.

PayBack · 03-02-2006, 12:53 PM

Quote:

Originally Posted by CivicWithNav

i was wondering why my gas mileage has been so horrrible... the A/C was on the whole time and i didnt' even know about it

Rodger that!

I remember years ago before I realized the defroster activates the A/C pump I used to run the defrost all the time in my '94 Ford 4x4 p/up (didn't think it made any special difference what mode the air system was left in). Well, when my A/C pump prematurely seized to the tune of about a $600 repair (and that's doing it myself) I realized I wore the damn pump out by having it cycling on and off for who the he** knows how long! Not to mention the rotten mileage I was contributing to.
What better case for 'RTFM' eh?!

honda93 · 03-02-2006, 01:34 PM

Quote:

Originally Posted by PokeyD16Z

Try this:
1. Turn Car Off.
2. Turn Temperature Knob To Full Blue (All the way to the left - Counter-Clock Wise).
3. Turn Vent Knob To Off (All the way to the left - Counter-Clock Wise).
4. Hold Down Air Recirculation Button As Well As A/C Button.
5. Keep Both Buttons Depressed and Start Car.
6. Keep Both Buttons Depressed for 7 Seconds.
*AC LIGHT SHOULD BLINK*

If that doesn't work, try doing it all over again but with the location control to the face (upper vents only).

Nice!

As for those who may not realize it, running the A/C is necessary to keep parts lubricated in the compressor. So, even though we can turn it off, run it for a few minutes every 2 weeks even in winter.

PokeyD16Z · 03-02-2006, 07:46 PM

I haven't tried to go back to factory settings, but I assume it would work in the opposite way. As far as how I know, I'm not a crazy guru trying all sorts of combinations. lol. I found it on another forum...its the same procedure for the CRV and RSX (and maybe even others).

OblivionJin · 03-03-2006, 04:17 AM

Quote:

Originally Posted by PayBack

Just to clarify..... the A/C stays on when you switch from either defrost mode into the foot-only mode. The A/C will turn off, however, if you switch from either defrost mode directly to one of the face modes (face only or face/foot mode).
--------------------------------------------------------------------------
I like the secret work-around procedure you posted, I'm gonna try that out. And I assume you can go back to the factory setup by repeating the sequence again?
I wonder how many other hidden tricks are waiting to be discovered.

Omg that you for telling me that. I've been leaving mine on defrost all the time, hope my gas mileage will be better after this :) Does this apply if I go from Defrost to foot-only mode to face or face/foot? For example: I change from defrost to foot-only. I know the AC is still on. But if I go from foot-only to face or face/foot will the AC still remain on? And I assume if I press foot-only without ever turning either of the defrosters on the AC won't turn on right?

PayBack · 03-03-2006, 10:24 AM

Quote:

Originally Posted by 06GGLX

Omg that you for telling me that. I've been leaving mine on defrost all the time, hope my gas mileage will be better after this :) Does this apply if I go from Defrost to foot-only mode to face or face/foot? For example: I change from defrost to foot-only. I know the AC is still on. But if I go from foot-only to face or face/foot will the AC still remain on? And I assume if I press foot-only without ever turning either of the defrosters on the AC won't turn on right?

Yes, if you go from defrost to foot-only mode and then from foot-only mode to one of the face modes, the A/C pump will turn off. Or think of it like this; going to any face mode (face, face/foot) will cancel any defrost (A/C pump) scenario.

And yes, if you haven't been in defrost mode, pressing foot-only will not initiate the A/C pump.

Here's to higher MPG's! :)

OblivionJin · 03-03-2006, 09:51 PM

Quote:

Originally Posted by PayBack

Yes, if you go from defrost to foot-only mode and then from foot-only mode to one of the face modes, the A/C pump will turn off. Or think of it like this; going to any face mode (face, face/foot) will cancel any defrost (A/C pump) scenario.

And yes, if you haven't been in defrost mode, pressing foot-only will not initiate the A/C pump.

Here's to higher MPG's! :)

Thanks and amen to that! :)

CivicWithNav · 03-04-2006, 12:00 AM

ok so I did this "mod"

and the light turns on when turned to defrost...does it mean if I press the A/C button again, the compressor will DISENGAGE?

02-28-2006, 11:22 PM	#1 (permalink)
ayansgp Junior Member Join Date: Feb 2006 Age: 28 Posts: 2 iTrader: 0 / 0%	Air Conditioner operation issue I have found this problem on my LX by accident. The AC should stay on by default for any of the two defrost settings. If you have your air switched to Foot-defrost and then select the Foot only setting the AC doesn't go off. But, if you hit the Face or Face-Foot button the AC goes off. Now if you switch to Foot only switch the AC stays off. I will ask my dealer to check this. But, I have a feeling that this is a bug in the HVAC control panel operation. Let me know if you find a similar issue.

LinkBacks (?) LinkBack to this Thread: http://www.8thcivic.com/forums/mechanical-problems-technical-chat/4429-air-conditioner-operation-issue.html
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03-01-2006, 08:04 AM	#2 (permalink)
medcina Senior Member Join Date: Dec 2005 Age: 33 Posts: 109 iTrader: 0 / 0%	I'm not sure if this has any bearing on your "issue" but it says in the owner's manual that if any of the defrost settings are selected the AC turns on. The AC will remain on if any other non-defost setting is chosen until the car is turned off even if the light on the AC button isn't lit. To turn it off manually without turning off the car, you have to press the AC button in and then out while having a non-defrost mode selected. Do you mean that the AC light comes on when you select just the foot area even if the button isn't depressed? I haven't played with it enough to know if mine does this too but will try and remember to check.

03-01-2006, 11:05 AM	#3 (permalink)
DanPorges Junior Member Join Date: Feb 2006 Age: 28 Posts: 29 iTrader: 0 / 0%	my AC doesnt turn on when i have the defrost and foot mode selected. Then again, my lights dont work right at all so who knows!

03-01-2006, 07:28 PM	#5 (permalink)
PokeyD16Z Senior Member Join Date: Nov 2005 Posts: 505 iTrader: 0 / 0%	Yes, when you use the two windshield functions, the AC turns on (the light won't show). When you switch to anything else from these, the AC still stays on (again, light won't show), but you can press AC twice to turn it off (in modes other than the windshield). There is a sequence on how to turn off the automatic AC selection in the windshield functions. I've done it. Now, when I go into the windshield functions, the AC lights, but I can turn it off easily. I'll find the sequence.

03-01-2006, 07:51 PM	#6 (permalink)
PokeyD16Z Senior Member Join Date: Nov 2005 Posts: 505 iTrader: 0 / 0%	Try this: 1. Turn Car Off. 2. Turn Temperature Knob To Full Blue (All the way to the left - Counter-Clock Wise). 3. Turn Vent Knob To Off (All the way to the left - Counter-Clock Wise). 4. Hold Down Air Recirculation Button As Well As A/C Button. 5. Keep Both Buttons Depressed and Start Car. 6. Keep Both Buttons Depressed for 7 Seconds. AC LIGHT SHOULD BLINK If that doesn't work, try doing it all over again but with the location control to the face (upper vents only).

03-01-2006, 08:30 PM	#7 (permalink)
Skyline Senior Member Join Date: Feb 2006 Location: Hermitage, TN Age: 27 Posts: 407 iTrader: 0 / 0%	Cool, it worked! I don't like that the light doesn't come on by default. That seems kind of sneaky to me. I had no clue the AC has been running this whole time! Why didn't they include the directions to shut that feature off in the manual? Anyway, one small note...when you do these steps, the recirculation button flashes before the AC button flashes. I kept letting go once the recirc button flashed, which didn't work. I finally held it long enough for the AC button to flash and that finally did the trick.

03-02-2006, 12:25 PM	#12 (permalink)
CivicWithNav Senior Member Join Date: Nov 2005 Location: Woodstock MD Posts: 2,566 iTrader: 13 / 100%	i was wondering why my gas mileage has been so horrrible... the A/C was on the whole time and i didnt' even know about it

03-02-2006, 07:46 PM	#16 (permalink)
PokeyD16Z Senior Member Join Date: Nov 2005 Posts: 505 iTrader: 0 / 0%	I haven't tried to go back to factory settings, but I assume it would work in the opposite way. As far as how I know, I'm not a crazy guru trying all sorts of combinations. lol. I found it on another forum...its the same procedure for the CRV and RSX (and maybe even others).

03-04-2006, 12:00 AM	#20 (permalink)
CivicWithNav Senior Member Join Date: Nov 2005 Location: Woodstock MD Posts: 2,566 iTrader: 13 / 100%	ok so I did this "mod" and the light turns on when turned to defrost...does it mean if I press the A/C button again, the compressor will DISENGAGE?