In my case air is only blowing out of the defrost vents on both sides.
2003 civic floor vent not working.
No noises or anything when changing the mode via the button.
Step 1 most air control vents are equipped with a flow control door that is located at the vent outlet.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or vent mode controls are moved.
The biggest cause is a faulty heater core.
My car has an automatic transmission.
Honda civic gen tech and builds show offs.
6th generation honda civic 1996 2000.
Other causes can.
Work the thumb wheel from one side to the other while checking the airflow.
To diagnose the problem press the mode vent floor button several times.
Changing the fan speed works fine but it only affects the defrost vents.
You need to see if the mode door actuator is.
This door is controlled by a thumb wheel that when activated will open and close the vent air flow door.
Dec 4 2013 1 i have an issue with my sedan my a c air vents are not switching where the air goes the blower motor works and everything but i just don t hear the vents changing directions any suggestions.
Set the temperature control dial on max cool.
The led should flash on and off as you press the button.
A climate control system can stop working after a battery replacement as the control prompt of the system is lost and needs to be rebooted by removing the defroster heater fuse for a period of time and then reinserted.
I turned the ac off and this made no difference.
Air does not blow out of any of the 4 front vents or the floor vents aside from very faint flow.
About 30 minutes down the road the air in the vents stopped blowing blower was still working.
The blower behind the glove box was working very efficiently i took the cabin filter out and air was blowing out of the filter hole.
Start date dec 4 2013.
Next the plastic gear set will become brittle and break which will sometimes allow the unit to work while making a ticking or clicking noise and then stop.
If the heating system in your honda civic is not producing hot air there can be a number of reasons for this.
An actuator can go bad in of two ways.
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On older cars a vacuum line can crack allowing vacuum to escape rendering the vacuum vent control servos non operative.
I am having symptoms like this on 2012 ex l.
Push the mode control button and select vent.
The day i picked it up everything worked great.
Press and hold the recirculation control.
Turn on the ignition.