Why is my radiator fan not working on my Honda Civic?

Figure 1. 1999 Civic under-hood fuse box with location of fan relay (circled in red). Another easy way you can check if the radiator fan switch relay is bad is to swap the radiator fan relay with the condenser fan relay. If the radiator fan begins working, this is an indication that the fan relay is bad.

Can a radiator fan be removed under the hood?

Radiator repairs sometimes entail removing the radiator. In such cases it’s often easier to unhook the electrical wiring to the fan and leave it attached to the radiator. The two can be separated after coming out from under the hood if the radiator fan must be removed for the repair.

How to disconnect electrical connections to a radiator fan?

Lift the clip before pulling the male and female plug housings apart, if your plug is so equipped. Use the blade of a slotted screwdriver to lift the clip if you are unable to pull it up with a finger. The plug carries all electrical connections to the fan. Once it is unplugged, the fan power is disconnected. Jonra Springs began writing in 1989.

How do you replace a radiator cooling fan?

With a screwdriver, loosen the fan blade and slide if off its shaft. You may need to remove a keeper that prevents the fan blades from moving up in the shaft up and down. As to the fan motor itself, remove it from the fan housing using a screwdriver. Install the new fan motor into the fan housing.

Where is the thermostat plug in a Honda Civic?

Figure 2. Location of thermo switch in a Honda Civic’s thermostat housing. The connector has four holes: two are for the electrical wires of the thermo switch plug and the other two are for the plug’s locking mechanism. Make sure to test the electrical holes and not the locking holes.

What does the thermo switch on a Honda radiator do?

If the fan switch relay is giving off the appropriate readings and is in working condition, move on to the next step. The thermo switch (also called the cooling fan switch) sends a signal to the cooling fan, so the fan turns on if the coolant gets too hot.

How do you jack up a Honda Civic?

Step 1 – Jack up the car. Park the car on a level surface. Place a pair of wheel chocks behind the rear wheels to prevent the car from rolling backwards. Look for the front jack point, and place your jack underneath it. While there are other suitable places you can use, this is by far the best and strongest jack point.

How can I make my Honda radiator fan work?

Place one end of a fused jumper wire on one of the relay’s control terminals. Place the other end of the fused jumper wire on the car’s positive (red) terminal of the battery. Then, touch one end of a regular jumper wire to the other relay’s control terminal. Ground the other end of the regular jumper wire to the vehicle.

Why does my car fan keep running after I Turn Off the engine?

Running cooling fans help cool down the engine even after you turn off the car. Common Causes. If your cooling fan runs for over 10 minutes after turning off the engine, you may have a problem that needs to be fixed. Here are some possibilities causing the fan to stay running longer. low coolant level, faulty coolant temperature sensor,

What are the signs of a bad cooling fan?

Common signs include the engine running hot and cooling fans either not functioning or running all the time. 1. Engine running hot 2. Cooling fans do not function 3. Cooling fans stay on at all times Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.

Why does my Honda Accord fan keep running?

If this happens to your Accord, you might have a problem that needs fixing. The common culprits are the temperature sensors (your car has two), which are the fan switch and the fan timer module. This article will discuss the three reasons why your fan might continue to run, even after the car is shut off.

Why does the radiator fan stay on all the time?

If your radiator fan stays on all the time when the car is started or with the ignition being on we will explain what is causing that. Radiator fan should not stay on all the time. The radiator fan is supposed to be activated at certain coolant temperature or the radiator might be on if you have the AC turned on.

Why is my Honda Civic a / C not working?

Clogged condenser or radiator ﬁ ns A/C condenser or radiator fan not work- ing properly Clean. Check voltage and fan rpm. Check fan direction. Line to A/C condenser is excessively hot. Restricted ﬂ ow of refrigerant in system Restricted lines. Discharge pressure abnormally low Excessive bubbles in sight glass; A/C condenser is not hot.

Why are the fans not running in my Honda?

Lift bonnet/hood then check and see if fans are running, both should be. Do not assume because they aren’t that your fans are bad. It could be a temp sensor failure. Was this answer helpful? Yes its done, Interior fan all the way on, AC on. Engine on, in neutral or park handbrake/E brake on. Both fans are On /Off a few seconds only.

What to do if your Honda fans are not working?

Honda Fans not working? DO this easy check First! If your Honda Fans aren’t working it can be easy repair. I found that both the radiator fan and the AC fan weren’t working. or replace the fans, relays, temperature switch or even the fuses. The temperature switch is an easy repair and it’s even easier to replace.

What to do if your radiator fan is not turned on?

First point of call is to get your car scanned and see what codes come up if any. Also find the relay for the fans and see if it is faulty. They are mostly all the same and can often be interchanged. Find a non critical one like the Horn or headlight relay and swap it out with the fan relay.

Why is my Honda Civic radiator fan not working?

I am using 2004 honda civic 2004 car, radiator fan and cooler fan not working, ac also not working, i checked fuses those are ok, and fan conditions ok ( checked directly from battery , i did short cooling sensor connector pins but no results where is problem how can i get results ? ple help me on this issue Answered!

What happens when the radiator fan relay fails?

Since the radiator fan motor relay is one of the main components that gets your Honda Civic’s radiator fan motor to run.. when it fails the most obvious symptoms that your Honda Civic will experience is overheating. Your temperature gauge will max out (as you’re driving around). Your Honda Civic will not re-start (once it has overheated).

Where is the radiator motor relay located on a Honda Civic?

Your Civic’s radiator fan motor relay is located in the under-hood fuse box. So that you can find its location (in the under-hood fuse box), I’ve painted it neon green in the illustration above.

Why does my Honda Civic not re-start?

Your Honda Civic will not re-start (once it has overheated). Coolant (or water) boiling in the radiator’s overflow tank as the engine runs or when you turn off the engine. Coolant boiling in the radiator’s overflow tank and the radiator fan motor does not activate. Your Civic’s radiator fan motor relay is located in the under-hood fuse box.

What happens when a Honda Civic overheats?

Your temperature gauge will max out (as you’re driving around). Your Honda Civic will not re-start (once it has overheated). Coolant (or water) boiling in the radiator’s overflow tank as the engine runs or when you turn off the engine. Coolant boiling in the radiator’s overflow tank and the radiator fan motor does not activate.

Why is the radiator fan not working on my Honda Odyssey?

The Radiator Fan is not working during Normal Engine Run, but when i Turn-ON the AC, the Radiator Fan and Condenser Fan is working synchronously (Start and Stop at the same time). I could not locate the Radiator Fan switch?

Why are my cooling fans not turning on?

If the compressor is running long enough to build heat in the high side of the system, and the cooling fans don’t turn on, I would begin finding the fan relays and add power to the appropriate circuit to see if the fans turn on at all. This will require a wiring diagram.

Why did my Honda Civic have an air conditioner failure?

It was just blowing air on a hot day. Took it into the dealer who said some hose needed to be replaced. On initial inspection, they accused me of contaminating the refrigerant according to their diagnostic tool, which was later refuted when they used the same tool on another civic.

How much does it cost to replace a Honda radiator fan?

Radiator fan testing points. If the radiator fan is in working condition, move on to the next step. The ECT sensor monitors the coolant temperature, and allows the fan to turn on if the coolant is too hot. If this sensor is faulty, a replacement costs around $25 to $45.

Is the AC on my 2017 Honda Civic working?

Enter your zip code: I was fortunate enough to receive a beautiful 2017 Honda Civic Coupe LX-P from my father in the summer of 2020. Unfortunately, the car’s AC is now blowing hot, warm air instead of cold air when the AC is turned on.

Why is my Honda Civic AC not blowing cold air?

Common first symptom of a failing 10th Gen AC system: The driver’s side goes warm before the passenger side. If you’re in the same boat as everyone else; it will likely be the condenser or compressor that’s leaking. There will probably be a dye test and they may want you to pay a diagnostic fee for this.

What’s the fuse number on a Honda Civic?

The table in Figure 1c contains the fuse, the rating, and what the fuse does. For example, if your radio stopped working, you’d need to test fuse number 23 and replace it with a new 15 amp fuse if found to be faulty.

Why are my fuses short on my Honda Civic?

Excessive resistance is usually caused by corrosion on the fuse legs, which can come with age and the environment. A wire can short for any any number of reasons, but generally it’s caused by a wire rubbing against a metal surface. Dry rot in the wiring’s rubber casing can cause it to eventually break away, which exposes a bare wire.

How can I tell if my radiator fan relay is bad?

Another easy way you can check if the radiator fan switch relay is bad is to swap the radiator fan relay with the condenser fan relay. If the radiator fan begins working, this is an indication that the fan relay is bad. If the fan switch relay is giving off the appropriate readings and is in working condition, move on to the next step.

How can I tell if my radiator fan is working?

Here is how to test if the fan is functioning properly: Unplug the radiator fan connector. Run jumper wires between the connector’s two electrical terminals. See Contact Test in Step 1. If the fan does not turn on, you will need to replace it. Figure 3. Radiator fan testing points.

Why is the a / C switch on my Honda Civic not working?

Without knowing A/C system pressure this is a guess as to whether the switch is good or bad. As an alternative you can bypass the switch temporarily. The A/C pressure switch receives a signal from the Heater Control Panel (Connector A pin 4 @ heater control panel).

https://www.youtube.com/watch?v=Y6SLowBX1YI

What should I do if my Honda Civic overheats?

Place it in Park, start engine. Hold on to the top radiator hose. It should start cold. After a few (10? 15?) minutes, the hose should jump from cold to hot. The thermostat acts like a switch, it either open or its closed. If the hose goes from cold, to a bit warmer to a bit warmer to a bit warmer than the thermostat isn’t working correctly.

Why does Honda Civic have a small coolant valve?

If both seals work correctly the coolant boils at a much higher temperature, in the range of 240 deg F. This allows for MUCH better heat transfer and allows your car to cool off better. The other thing that small valve does is help the system purge air bubbles from within the top of the engine.

Why does my Honda Civic smell like coolant?

When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold. A failing heater core may cause a vehicle to smell of engine coolant inside the cabin. A failing heater hose may cause the vehicle to smell of engine coolant under the hood.

What kind of radiator does a Honda Civic have?

The Honda Civic radiator is constructed with plastic tanks and an aluminum core. The good quality metal radiators are no longer used, in favor of the more lucrative and easily manufactured plastic versions. The center core is simply crimped to the plastic tanks with a gasket between the core and tank.

What causes a leak on a civic radiator?

The center core is simply crimped to the plastic tanks with a gasket between the core and tank. This creates a multitude of possible leaks; however, the most common cause for leaks on the Civic radiator is cracks on the top tank next to the radiator cap.

How do you remove a radiator from a car?

Unplug the electrical connectors to the radiator fan. Remove the 10mm bolts that secure the radiator to the support shroud, using a socket. Pull the radiator overflow hose off the radiator cap neck. Lift the radiator and fan (as a unit) out of the car. The radiator could easily be unbolted once it is out of the car.

How do you remove radiator cap on Honda Civic?

Removing the cap will allow air to flow through both openings and for coolant to come out faster. Once the cap is removed, grab the pliers, or flat head screwdriver, and loosen the clamp to remove the radiator overflow hose, then remove lower hose located on the bottom corner of the radiator. Figure 4.

Where is the overflow hose on a Honda Civic?

Once the cap is removed, grab the pliers, or flat head screwdriver, and loosen the clamp to remove the radiator overflow hose, then remove lower hose located on the bottom corner of the radiator. Figure 4. The overflow reservoir was located in that big empty space. Removing it will offer more flexibility. Figure 5. Remove lower radiator hose.

What causes a blower motor to stop working?

In a situation where the motor doesn’t work on any speed, the most likely causes are: a blown power supply fuse, a bad motor ground connection, bad motor speed control module or a failed motor. On all systems, a failed blower motor is least likely. Blower motors generally don’t fail out of the clear blue.

What are the symptoms of a bad blower motor relay?

3. Melted relay. Another more serious symptom of a problem with the blower motor relay is a burned or melted relay. Relays are exposed to high current loads and can sometimes get hot when they develop problems.

How does the blower motor work on a Honda Accord?

Typically it can be activated by pressing and holding different buttons. Testing Honda power transistor (blower motor control module). For example, in the 2009 Honda Accord, the service manual describes the procedure as follows: Turn the ignition to ON.

What causes a Honda Civic engine to overheat?

A sticking thermostat causes boiling the antifreeze and pushes it through the radiator cap, causing the engine to overheat. An overheated thermostat is damaged, so it requires replacement. No matter what the source of the problem is, an overheated engine means the thermostat is already out of order.

What does it mean if your blower motor is not working?

Average rating from 849 customers who received a AC is not working Inspection. The blower motor resistor is an electrical component that is a part of the vehicle’s heating and air conditioning system. It is responsible for controlling the blower motor’s fan speed.

What are the symptoms of a failed blower motor resistor?

Blower motor resistor problems. Problems with a blower motor resistor are common in many cars. The most common symptom of a failed blower motor resistor is when the heater fan only runs at high speed and doesn’t work at low speeds.

What happens if the Honda Accord radiator fan fails?

If the radiator fan motor relay fails… the most obvious symptom that your Honda Accord will experience is overheating due to radiator fan not coming on. You’ll also see one (or more) of the following symptoms: Your temperature gauge will max out (as you’re driving around).

When did the Honda Civic 5th generation come out?

Repair guides and support for the 5th generation Honda Civic, first released in late 1991. I have the same question, but I will give feedback on the answer. I have a 92 Civic, replaced a leaking radiator, fan was not working, so I replaced with a new fan same time I replaced the radiator.

Why is my radiator fan not working in my garage?

You also no longer hear the reassuring sound of the radiator fan kicking in when you pull into your garage. If this is the case, it might be time to check if the fan is working properly, and is cooling things down under the hood.

Why are the cooling fans not working on my car?

1. Engine running hot 2. Cooling fans do not function 3. Cooling fans stay on at all times Average rating from 129,472 customers who received a Vehicle Engine Cooling Inspection. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.

What should I do if my radiator fan won’t work?

If the radiator fan is in working condition, move on to the next step. The ECT sensor monitors the coolant temperature, and allows the fan to turn on if the coolant is too hot. If this sensor is faulty, a replacement costs around $25 to $45. Follow these steps to test it: Locate the ECT sensor, which is just below the distributor.

How to troubleshoot a Honda Civic cooling fan?

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How does the cooling fan relay work on a car?

The cooling fan relay is the relay that controls the engine’s cooling fans. When the correct parameters are met, a temperature switch or the computer will activate the relay, which will allow power to the fans. The relay will usually be activated once it is detected that the vehicle’s temperature…

What are the symptoms of a bad cooling fan relay?

1. Engine running hot One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly.

Why is the radiator fan not working on my Honda Civic?

If your Civic is running hot, and the fan is not running we’ve laid out the most common causes of this issue below. There are a few simple reasons that the fan would not be cycling on. Although the fan itself can go bad, that’s definitely not the place to start a diagnosis. Here are the most common reasons that your radiator fan does not turn on:

What to do if your Honda AC Fan is not working?

DO this easy check First! If your Honda Fans aren’t working it can be easy repair. I found that both the radiator fan and the AC fan weren’t working. or replace the fans, relays, temperature switch or even the fuses. The temperature switch is an easy repair and it’s even easier to replace. You can get the part from Amazon.com for cheap!

Is it worth it to get a Honda fan?

Do it for Cheap- don’t make it cost more than it has to. Do it Yourself- It pays off in Knowledge, Skills and Abilities. Pass these skills to the younger generation! They need them now!

What to do if your Honda Civic has no power?

Use the circuit tester and check for power at the 2-wire connector on the blower motor (the key and fan need to be on). If there is no power to the fan, the fan is bad. If there is no power, move to the blower motor resister right next to the blower motor.

Why does my Honda Civic AC not turn on?

If the compressor is not on, the problem could be a matter of power to the system, a bad control head on the dash or no Freon. Start by checking the fuses in the fuse and relay panel under the hood on the drivers side. Replace the fuses as necessary.

Why is my Honda Civic running so hot?

A Civic’s engine lies alongside the A/C setup under the hood, so if you can’t find anything wrong with the freon levels or the compressor, you may need to consider a different source. If you discover that the engine is running hot, its proximity to the A/C will negatively affect the system’s cooling capacity.

How can I tell if my Honda Civic has an air conditioner problem?

There are two connectors under the hood attached to your A/C’s refrigerant system that should be labeled as such, one for the high Psi end of your gauge (the red side) and one for the low end (the blue side). If the level is unbalanced, it will cause the entire air-conditioning system to shut down as a protective measure.

What should I do if my Honda Accord fan is not working?

Check if the cooling fan switch is working properly, and that there is no sign of wear or faultiness. If the cooling fan switch is not working, it is easy to replace yourself. A new one will cost you around $30. Figure 4. Diagram of Honda Accord cooling system with the location of the thermostat housing.

Where is the cooling switch on a Honda Accord?

The cooling fan switch in your Accord is located on the thermostat housing (see Figure 2 and 4). It controls both fans only when the key is in the “ON” position, but the engine is not running. Check if the cooling fan switch is working properly, and that there is no sign of wear or faultiness.

Why is the top of my Honda Civic so hot?

The top hose is hot, the bottom is cool but does not feel like there is any pressure. If taken for a test drive the temp is fine for a while but then it climbs up as you accelerate, let off the gas and the temp comes down. The 2 fans are working. Any suggestions. I will be doing a compression test tomorrow just in case to check the head gasket.

Why is my Honda Civic LX not working?

2001 HONDA CIVIC LX 1.7—CANNOT GET POWER TO COMPRESSOR OR FANS, ALL WILL WORK IF HOT WIRED. HAVE CHECKED ALL FUSES AND RELAYS. WHAT NEXT? … read more 2002 honda civic lx, A/c compressor will not kick on. When you bypass low pressure switch a/c will work,but fans always stay running.

Why is my Honda Civic not blowing cold?

These are a few of the most common issues that could cause your Civic to not blow cold enough. There are other issues that can cause this as well. Most of the time, when your Civic’s air isn’t blowing cold enough, it is going to be a lack of refrigerant causing the problem.

How to test the Honda Accord radiator fan relay?

TEST 1: Checking The Radiator Fan Relay Power Circuits. TEST 2: Bypassing The Radiator Fan Relay. TEST 3: Bypassing The Radiator Fan Switch. TEST 4: Bench Testing The Radiator Fan Relay. More Honda Accord Test Tutorials.

Why does my car fan keep running after I Turn Off the car?

The common culprits are the temperature sensors (your car has two), which are the fan switch and the fan timer module. This article will discuss the three reasons why your fan might continue to run, even after the car is shut off.

Where is the cooling fan relay on a 1990 Honda Civic?

1990 Honda Civic EX, no power to A/C when switch is turned on but have power at both A/C relay and Condenser fan relay. Any ideas? … read more asst. manager/ lead technic… Vocational, Technical or Tra… 2000 Honda Civic: running hot..most fans..lo..Relay is bad?

Where are the fuses on a Honda Accord?

Fuse box diagram (fuse layout), location, and assignment of fuses and relays Honda Accord Mk4 (CB7/CB9) DX, LX, EX & EX-R (1989, 1990, 1991, 1992, 1993). Fuses and circuit breakers protect your vehicle’s electrical system from overloading.

How many fuses are in a Honda Civic?

Engine Compartment Fuse Box Diagram № A Protected Component 1 20 Condenser Fan Relay Motor, A/C Compresso 2 15 except Hybrid: Taillight Relay, Dash Lig 2 10 Hybrid: Motor Control Module (MCM) Relay 3 7.5 except Hybrid: Cargo Area Light, Ceiling

Why is the fuse on my radiator not working?

It is a very common problem that results in radiator fan failure: the fuse may burn off or simply fall off. You will, though, have to consult the owner’s manual to find out where exactly you can find the fuse, but once you have, it is an easy task.

Why does my Honda Civic fan not run?

With the jumper attached, the fan should run continuously when the ignition is in the “ON” position. If the fan does not run, this is an indication that the thermo switch is faulty. If this is the case, you will need to replace the thermo switch. Figure 2. Location of thermo switch in a Honda Civic’s thermostat housing.

How to test the Honda Civic radiator fan relay?

START HERE: The Radiator Fan Motor Relay Tests. TEST 1: Checking The Radiator Fan Relay Power Circuits. TEST 2: Bypassing The Radiator Fan Relay. TEST 3: Bypassing The Radiator Fan Switch. TEST 4: Bench Testing The Radiator Fan Relay. Where To Buy The Radiator Fan Relay And Save. More Honda Civic Test Tutorials.

Why is the radiator not working on my Honda Civic?

Just because the radiator fan is not on does not mean that it is not working. They are designed to only run when needed. If your Civic is running hot, and the fan is not running we’ve laid out the most common causes of this issue below. There are a few simple reasons that the fan would not be cycling on.

How does the radiator work on a Honda Civic?

Honda radiator is a critical component of the cooling system, transferring heat from the coolant to the air flow generated by the fan. The radiator removes excess heat from the engine and keeps a stable, safe temperature for the engine to run properly. Item has been added to your cart! This part contains hazardous material.

What to do if your Honda Civic radiator is overheating?

Clean the radiator and fill it with antifreeze. Keep the cap open and warm up the car to see if the water is flowing properly. Bubbles in the water indicate a head gasket problem. Otherwise, just seal the radiator with a new radiator cap. Radiator of a 2001 Honda Civic.

Why is my Honda Civic not turning on?

If the fan isn’t kicking in, then there a few things that could cause that. One of the reasons could be a faulty thermostat, as the thermostat tells the fan when to turn on and off. Another reason could be that the fan’s wiring harness is not getting power to actually turn the fan on.

Why is my Honda Civic overheating at low speeds?

But when the car is driving at low speeds or at a standstill, it’s up to the fan to do that job. If the fan isn’t kicking in, then there a few things that could cause that. One of the reasons could be a faulty thermostat, as the thermostat tells the fan when to turn on and off.

Your Civic’s radiator fan motor relay is located in the under-hood fuse box. So that you can find its location (in the under-hood fuse box), I’ve painted it neon green in the illustration above.

What to do if your cooling fan won’t turn on?

Pull the cooling fan relay out of the box. Replace the cooling fan relay with a new one. A stuck closed relay is the only thing that can operate the cooling fan continuously with the key off. The computer looses power with the key off and the same applies to the coolant temperature sensor.

Why is the radiator on my Honda Civic overheating?

If the hose goes from cold, to a bit warmer to a bit warmer to a bit warmer than the thermostat isn’t working correctly. For your testing focus on the radiator, not the heater core. The coolant always runs thru the heater core, there is no coolant control system there. I would check the water pump, it sounds like the blades may have corroded away.

Where is the fan temp switch on a car?

The fan temp switch is normally open but will close when it gets to the right temp. If you can’t get continuity at 212F+ then the fan temp switch is dead. The switch is usually located close to or right next to the thermostat. Of course, obvious disclaimer/warning, don’t do any of this while the engine is running!

How do you test a Honda Civic radiator?

Its a pretty simple test. Start with cold car. Place it in Park, start engine. Hold on to the top radiator hose. It should start cold. After a few (10? 15?) minutes, the hose should jump from cold to hot. The thermostat acts like a switch, it either open or its closed.

When does the cooling fan come on in a Honda Accord?

No idea. If you have 2 fans (some only have one) the a/c fan should come on as soon as you turn the a/c and the ignition on. The cooling fan may never come on, depending how hot the engine is.

What are the problems with the Honda Civic air conditioner?

See all problems of the 2017 Honda Civic . Air conditioner in vehicle stopped cooling causing excess build up of moisture on interior windshield and side windows impairing visibility and safe operation of vehicle. Raining prevented the ability to roll windows down to clear windshield and windows.

Why does the AC blow warm air while idling?

During idling however, the AC starts blowing warm air and it gets warmer and warmer the longer the car is not in motion. It cools the car again when I drive. The system has been charged.

What happens when there is no power to the AC fan?

If there is no power to the fan, the fan is bad. If there is no power, move to the blower motor resister right next to the blower motor. It is usually to the left and slightly to the rear and is used to control the speeds of the fan.

Why is my Honda Civic air conditioner leaking?

2017 Honda Civic air conditioner compressor has failed and is leaking. The condenser is leaking, which is a known problem and is being covered by Honda, however they refuse to cover the compressor even though the leak in the condenser can easily lead to a failure of the compressor.

Why is the air conditioner on my Honda Civic not working?

The air conditioning no longer works on the drivers side only blows hot air;the passenger side blow cool air,Honda has known a/c issues with the corrosive 1234yf refrigerant that impacts the entire cooling system. Service bulletin 19-091 covers the condenser however does not cover the compressor, clutch or coil and those parts are a costly fix.

Where is the fan on a Honda Civic?

The fan is under the passenger side dash close to the glove compartment. Use the circuit tester and check for power at the 2-wire connector on the blower motor (the key and fan need to be on). If there is no power to the fan, the fan is bad.

What do you need to know about Honda Civic a / C?

2006-2011 Honda Civic A/C Diagnosis and Repair EXPANSION VALVE (Meters the required amount of refrigerant into the evaporator) RECEIVER/DRYER DESICCANT (Traps debris, and removes moisture) A/C COMPRESSOR (Suction and compression) A/C CONDENSER (Radiation of heat) A/C PRESSURE SENSOR

Is the radiator fan working when the AC is on?

no, when the AC is on they both seem to work , even when the temp goes up, or if you turn off the AC , then the fan stops turning. I found underneath the Thermostat housing a single wire going into the engine block, is this the sensor switch. I have no picture to tell if I’m on the right trail.

Why is the a / C not working on my Honda Civic LX?

2002 honda civic lx, A/c compressor will not kick on. When you bypass low pressure switch a/c will work,but fans always stay running. I replaced switch and recharged system with no luck. Replaced resi … read more My son (a student who needed a car for co-op work placement) bought a 2001 Civic LX in the spring of 2007.

Why does my AC fan not turn on?

This is usually due to a low refrigerant level. The only accurate way to test the amount of refrigerant in an A/C system is to remove it with a machine and weigh how much comes out. Many people confuse pressure in the system for the system being full.

What should I do if my car fan won’t turn on?

On modern vehicles, a bad sensor usually triggers the check engine light. Scan the computer for trouble codes, if necessary. If the fan fails to come on, first check for a fan blown fuse or triggered breaker. On older vehicle models, you may have a fusible link in the circuit.

How can you tell if a Honda Civic has a blown fuse?

Determine from the chart, or the diagram on the fuse box lid, which fuse or fuses control that device. Check those fuses first, but check all the fuses before deciding that a blown fuse is the cause. Replace any blown fuses, and check if the device works. Turn the ignition switch to LOCK (0).

What should I do if my radiator fan is not working?

A blown fuse is no big deal, and changing one does not cost a lot of money. If your car’s radiator fan is non-functional, check your car’s user manual and locate the fuse for the radiator fan controller or the fan. The fan itself often uses a big fuse of around 50A, while there might also be a separate small fuse to the fan control module.

Why does my Honda Civic not have a / C?

My 2008 Honda CIvic started having issues this year with the A/C. Took it to a mechanic this morning and he said it appears to be an electrical problem and the compressor isn’t getting any juice. But he checked all the switches he could find and they all check out fine. He suggested I go somewhere that specializes in A/C.

Why does my AC fan not come on?

When the ac is of the radiator hoses both become same heat after a while and the overflow reservoir starts boiling over and the fan do not kick in. Any advise please. You might have an initial temperature sensor which causes the fan to come on when the temperature begins to rise; that sensor might be defective.

What should I do if my Honda Civic is running hot?

Inspect the engine. A Civic’s engine lies alongside the A/C setup under the hood, so if you can’t find anything wrong with the freon levels or the compressor, you may need to consider a different source. If you discover that the engine is running hot, its proximity to the A/C will negatively affect the system’s cooling capacity.

What to do if your Honda Civic Air Conditioner breaks?

You don’t normally give the inner workings of your Honda Civic a second thought until something goes wrong, especially when it affects the interior temperature. But visiting the auto mechanic after your air conditioner breaks can be a costly trip if you weren’t planning on such an expense.

What is the fuse box on a Honda Civic?

PGM-FI Electronic Control Unit / Engine Control Module (ECM), Clock, Stereo Radio/Cassette Player Horns, Brake Lights, Key Interlock Solenoid, Cruise Control, Engine Control Module (ECM) WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

What do you need to know about a Honda Civic?

Power Mirrors, Anti-Lock Brake System, Air Delivery, Blower Motor Relay, Rear Window Defogger Relay, Radiator Fan Relay, Condenser Fan Relay Moon Roof Open/Close Relays, Windshield Washer Motor, Rear Window Washer Motor, Integrated Control Unit, Windshield Wiper Motor, Rear Window Wiper Motor, Power Window Relay

Where is the fuse box on a Honda Accord?

For the Honda Accord (USA and Europe) 2008, 2009, 2010, 2011, 2012 model year. Fuse box in passenger compartment. The driver’s side interior fuse box is under the dashboard on the driver’s side. The fuse label is attached to the side panel. fuse box diagram. legend.

What are the warning lights on a Honda?

The following are warning lights and indicators found in vehicles built by Honda. Click a link to learn more about each one. They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray).

Where are the relays on a Honda Accord?

Taillight Relay (without Automatic Lighting), Passenger’s MICU (Automatic Lighting), Right Front Parking Light (Latin America, Argentina), Right Front Side Marker Light (USA, Canada, Mexico), Right Front Turn Signal/Parking Light (USA, Canada, Mexico)

Where is the fuse box on a Honda Civic?

For the Honda Civic fifth generation 1991, 1992, 1993, 1994, 1995 model year. Fuse box located. Engine bay. fuse box diagram. Fuse box №2 (under hood).

What causes fuses to blow on Honda Civic?

The two main reasons fuses blow are increased electrical resistance or a shorted wire. Excessive resistance is usually caused by corrosion on the fuse legs, which can come with age and the environment. A wire can short for any any number of reasons, but generally it’s caused by a wire rubbing against a metal surface.

What are all the lights on a Honda Civic?

Clock, Gauge Assembly, Hazard Switch, Back-Up Lights, Interlock System, Integrated Control Unit, Roof Unlatched Indicator (del Sol), Shift Lock Solenoid, A/T Gear Position Switch, Master Switch (del Sol) Dash Lights, Dimming Signal, Parking Lights, Tail Lights, License Plate Lights, Console Lights, Option Connector “D”

Why is my thermo fan not working on my Commodore?

Thermo fan not working on my vx commodore but aircon fan is. Think it might be relay or sensor but dont know where they are to fix it Clicking this will make more experts see the question and we will remind you when it gets answered. What is make model and year?

Why is the radiator fan not working on my Toyota Camry?

If your Camry is running hot, and the fan is not running we’ve laid out the most common causes of this issue below. There are a few simple reasons that the fan would not be cycling on. Although the fan itself can go bad, that’s definitely not the place to start a diagnosis. Here are the most common reasons that your radiator fan does not turn on:

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