2003 Civic Floor Vent Not Working

Other causes can.

2003 civic floor vent not working. Work the thumb wheel from one side to the other while checking the airflow. Related heater not working content 2003 honda civic heater blowing cold air at idle heater problem 2003 honda civic 4 cyl two wheel drive automatic the heater blows cold air when idling. No noises or anything when changing the mode via the button. 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.

Changing the fan speed works fine but it only affects the defrost vents. 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. On older cars a vacuum line can crack allowing vacuum to escape rendering the vacuum vent control servos non operative. The biggest cause is a faulty heater core.

You need to see if the mode door actuator is. Honda civic gen tech and builds show offs. If the heating system in your honda civic is not producing hot air there can be a number of reasons for this. 6th generation honda civic 1996 2000.

An actuator can go bad in of two ways. 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 am having symptoms like this on 2012 ex l. 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.

This door is controlled by a thumb wheel that when activated will open and close the vent air flow door. In my case air is only blowing out of the defrost vents on both sides. Set the temperature control dial on max cool. About 30 minutes down the road the air in the vents stopped blowing blower was still working.

To diagnose the problem press the mode vent floor button several times. I won t change off defrost floor setting i replaced the blend door actuator and did not seem to help it my car has 56000 miles. Turn the ignition and the fan switch to the off position. Step 1 most air control vents are equipped with a flow control door that is located at the vent outlet.

The day i picked it up everything worked great. Press and hold the recirculation control. Turn on the ignition. You need to make certain there isn t another reason however especially since replacing the core is a complex and time consuming affair.

First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or vent mode controls are moved. Air does not blow out of any of the 4 front vents or the floor vents aside from very faint flow. I turned the ac off and this made no difference. The led should flash on and off as you press the button.