2006-2011 CIVIC HVAC CLIMATE CONTROL DIAGNOSTIC TEST QUICK AND EASY W/ CODES
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- Опубликовано: 31 янв 2020
- #civic #airconditioning #hvac
Check for trouble codes:
The HVAC control unit has a self-diagnostic function for heating, ventilation, and air conditioning system. To run the self-diagnostic function, do the following:
1. Turn the ignittion switch OFF.
2. Press and hold the recirculation control and rear window defogger buttons, and turn the ignition switch ON (II).
3. Recirculation indicator turns on for 2 seconds, then self-diagnostic function begins.
NOTE:
•The blower motor will run at any speed during the self-test regardless of the dial positioning.
•In the case of multiple problems, the recirculation indicator will blink the lowest number DTC only.
•If no DTCs are found, the indicator will not blink.
DTC (Recirculation Indicator Blinks) Detection Item
1 An open in the air mix control motor circuit
2 A short in the air mix control motor circuit
3 A problem in the air mix control linkage, door, or motor
4 An open or short in the mode control motor circuit
5 A problem in the mode control linkage, doors, or motor
6 A problem in the blower motor circuit (New Blower Motor amzn.to/3Liuxq3)
7 HVAC control unit internal error
8 An open in the evaporator temperature sensor circuit
9 A short in the evaporator temperature sensor circuit
Beyond this you need to hang the AC gauges and thermometers on the system and do more checks. A/C Gauges to check your amount of freon amzn.to/3zEGGmq
-Arthur Adams Thanks for the tip!
4 blinks mean that your ac compressor relay has faulted out. All you need is a NEW relay to replace the old one located in the fuse box. Easy fix. If your AC just stopped randomly working one day it's most likely that.
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Spent $1100 on a new compressor and condenser that did not solve my issue. Civic was still blowing warm air. I found this video, ran the diagnostic test, with no error codes but it now blows ice cold. Wish I found this video first. The climate control center perhaps just needed a reset! Thanks for the video and good luck to others.
Cold air was not cold enough as a month ago. Did what you said about DT. Then, air is cold again. Magic! Thanks.
Delete this and redo it! Audio is out of sync, Head stays in the way of seeing anything. No explanation of WHAT will be blinking. Overall a 1 out of 10 for helpfulness
Hey friend, I have a 2006 civic dx that came from the dealer with no a/c I'm getting 8 flashes in self diagnostic mode. The air is ice cold regardless of what I try. I can't even find an exploded view to identify which flap directs the airflow away from the heater core. I'm really beginning to lose it!
my ac was marginally cooling but blowing somewhat cold air, i tried this it gave a #3 code but now it is blowing consistantly hot, hot air does this reset the system or overrides the system in some way
4 blinks means that your ac compressor relay has faulted out. All you need is a NEW relay to replace the old one located in the fuse box. Easy fix. If your AC just stopped randomly working one day it's most likely that.
If your AC compressor never stop spinning and blows cold at first and slowly goes down in temperature and air flow, it means you need another control head as the evaporator is freezing up to a block of ice. Junk yard time to get a used control head.
For anybody wondering, this doesn't work on a 2006 honda crv. 😔
The audio is not synced up with the video. But I think I figured out how to do this. Thanks
I had continuous blinking what does that mean pleaee?
Thank You.
Your list only went to 7 before disappearing off the screen. Now my question has changed as I've found it elsewhere. I'm getting a 8 flashes on a 2006 civic dx with no a/c and 8 flashes means condenser sensor error. It's not likely that I have this on my car. I have water pressure and almost equal head in my core lines, though I might have cavitation from my pump even though it doesnt overheat at all. The pump removal concerns me as I have heard horror stories about the 8mm allen bit on the belt adjuster which needs to be removed to get to the pump. Have you had any success in this area or am I barking up the wrong tree? Any referrals would be appreciated.
What light are you talking about that blinks ??
Didn't flash codes, a/c clutch not picking up. Relay, cabin fuses and hood fuses for a/c all ok. 2009 civic what else would hold the clutch from engagement?
I just replaced my blower motor because I thought that was the problem now I did this test and blink six times which is a problem in the blower motor circuit. So what do I do next if I just replace the blower motor??
Does this work on a 2003 Honda accord
I've replaced blower motor resistor rely ac relay still nothing. No fuses are blown. I recently put aftermarket head unit new speakers all way around and added 2 after market amps. Did away with factory amp. I'm thinking something has happened that I wasn't informed of because I had " FRIEND " help. He has now informed me the remote wire from amps got hot and almost melted. GREAT so now it's going to be running down a wiring harness issue. If anyone has those friends and has had it happen I'd greatly appreciate any ideas you may have. Oh stereo and amps work fine
My climate control is digital, How can i test It? And what is the codes?
Dumb question but are the vents suppose to be on all the time? Even when the air is off? Or can I completely close them off??
When you say "the light will blink" in reference to the code number,which light do you mean?...The only light that blinks for me is the check engine light...then turns off.