Whether it be heat or air conditioning, when your Honda Civic fan isn’t working it can be frustrating. You may come across the issue where you’ve turned on your air, but the fan just doesn’t work properly. This could be either reduced air-flow or no air-flow at all.
In Honda Civics, a non-functioning fan is often due to a blown fuse. The fuse protects the fan’s electrical circuit. When it blows, the fan stops working. Replacing the blown fuse with a new one of the same amperage usually solves the problem.
A common issue leading to a Honda Civic’s fan not working is a faulty fan motor. Over time, the motor can wear out or burn out, leading to a complete fan failure. The solution is to replace the fan motor. This fix restores the fan’s functionality, ensuring it can provide the necessary airflow to keep the engine cool, especially during idle or slow traffic conditions.
Another reason could be a malfunctioning coolant temperature sensor. This sensor monitors the engine’s temperature and signals the fan to turn on when needed. If it’s defective, the fan won’t know when to activate. Think of it as a thermostat in a house; if it can’t read the temperature correctly, it won’t turn the heating or cooling system on. Replacing this sensor will ensure your fan kicks in when your Civic needs cooling the most.
If that doesn’t help, then you are facing an issue with your circuits or the blower connector. There can be a few different reasons that your Honda Civic fan is not working, the good news is that they are relatively easy to fix. So let’s look at issues that could be causing your heat or air-conditioning fan to not work.
Honda Civic Fan Not Blowing
Your Honda Civic air flow is controlled predominantly by your blower motor. Your blower motor is located behind the glovebox on the passenger side of your car. There are a few issues that can impact the performance of your blower motor.
If your Honda Civic fan is not blowing there may be an issue with your connection. It may sound ridiculous, but sometimes tapping your blower motor can jolt it into working. Keep in mind that you don’t want to tap it with too much force. If that doesn’t work you should check your connections.
To access your Honda Civic blower motor you need to remove your glovebox. To check if your blower motor is properly working you want to make sure that the four pin harness is properly connected. Remove the connections from the back of your blower motor and then turn on your Honda Civic.
Each of the wires in your four pronged harness connect to different areas of your Honda Civic. You want to test each individually. While your Honda Civic is on, first check wire C. This wire is located at the bottom right of your blower motor, it is a blue wire with a red stripe. Connect this wire and turn on the heat to see if your fan begins blowing. The next important wire to check is wire B. This is on the upper left and provides power to your motor blower. It is a solid black wire. If disconnecting and reconnecting them does not fix the issue, you may be facing an issue with your fuses.
Open your Honda Civic’s hood and access your fuse box. Check to see if fuse number 55 is properly connected, or if it has been blown out and needs to be replaced. Alternatively also check fuse number 17, which you can find under the dash.
Honda Civic Fan Not Turning On
If your Honda Civic fan is not turning on you’ll be able to tell because of the lack of airflow. At the same time, your engine will also get hot. Because your fan is not working, when your Honda Civic is running you are more likely to run into the issue of the engine overheating.
If your Honda Civic fan is not turning on you can jump start your fan directly from your Honda Civic’s battery. Attach the battery to the thermofan and turn on your Honda Civic. If the fan does not start, you can feel on the side of the fan for the switch, it is possible that it may have been turned off.
Honda Civic Fan Keeps Running/Stays On
When it comes to air control, you want it to work in the way that you need it. You may run into the issue where your Honda Civic fan will not turn off, even when you turn the knobs down.
If your Honda Civic fan keeps blowing or stays on, there may be an issue with your connection. If your blower motor is facing connection issues.
The copyright owner of this article is Knowmyauto.com and was first published on Dec 27, 2021..
If you’re having connection issues, it could either be related to the wire connections themselves or the fuses. To check this you need to access your Honda Civic blower motor. Remove your glovebox. To check if your blower motor is properly working you want to make sure that the four pin harness is properly connected. Remove the connections from the back of your blower motor and then turn on your Honda Civic.
First check wire C. This wire is located at the bottom right of your blower motor, it is a blue wire with a red stripe. Connect this wire and turn on the heat to see if your fan begins blowing. The next important wire to check is wire B. This is on the upper left and provides power to your blower motor, It is a solid black wire. If disconnecting and reconnecting them does not fix the issue, you may be facing an issue with your fuses.
Honda Civic Fan Making Noise
As a general rule, a tell-tale sign that something is amiss with your Honda Civic fan is if you hear abnormal noises. This could indicate that there is a problem with the fan itself or that there could be something inside the fan that is causing the disturbance.
If your Honda Civic fan is making noises, you should first look to see if there are any objects or debris that may have fallen into the vents. These can cause the blower motor to stall or make excessive noise.
Your Honda Civic vent could also be making noise due to a poor power connection. Your blower motor is connected by a four-pronged power attachment. If one of these prongs comes loose, your blower motor could get displaced. You can check to see if your motor blower is properly connected by removing the glovebox on the passenger side. The back of your motor blower will have four connections. Remove and reconnect them all. If you are still hearing abnormal noises when you turn on your air conditioning or heat, it is more than likely that there is a foreign object in your Honda Civic’s air system.
Honda Civic Fan Not Working
If your Honda Civic fan is not working there are a few things that you should check. There could be an issue in relation to the connection to your motor blower. Detaching and reattaching these four connections, and ensuring they aren’t loose can solve your problem with your fan. It could also be an issue caused by a faulty or burned out fuse. The great news is these are issues that are easy to troubleshoot yourself.
KnowMyAuto is the sole owner of this article was published on Dec 27, 2021 and last updated on .