Why is my Honda AC fan not working?

As in prove that somehow they shorted something out – as if. After a month without a car (too cold outside to work on it) and much online searching, testing of fuses, resistors etc etc a Honda mechanic my grandson knew suggested to him that it most likely was the whole heating unit that was blown.

Where are the AC heater hoses on a Honda Accord?

Start the engine and check the two AC/heater hoses protruding from the left side of the firewall (facing the vehicle) under the hood. The hoses are aluminum and are roughly the thickness of a regular garden hose. The firewall is the thin metal partition between the passenger and engine compartments.

What to do if your Honda Accord air conditioner is not working?

Turn on the electric fan and AC with the engine running to check if any of the AC controls are loose or resistant. If the fan does not turn on, a fuse may have blown or the fan itself could be faulty. If the controls are damaged, have a mechanic replace them for you. Inspect the AC compressor for any oily residue or leaks.

What should the AC pressure be on a Honda Accord?

Attach the AC pressure test gauge with the engine off. Remove the black caps from the high and low service ports. Screw the blue hose to the low-side service port and the red hose to the high-side port. A normal reading should be between 50 and 80 PSI.

Where is the heater control on a Honda Accord?

In the Honda Accord, you can have the amount of heat blowing from the vents in the front of the vehicle set differently from the vents in the back. However, the heater control located at the front of the car needs to be turned on.

How does the climate control work on a Honda Accord?

These knobs control the temperature of the air coming from the vents as well as the amount of air blowing out of the climate control system. There are also button controls positioned between the knobs that allow you to control which vent blows out the air. Another button on the panel controls the defrosters on the back window of your Accord.

When did the Honda Accord come on the market?

Only 1 left! The Honda Accord is a vehicle that came onto the market in 1976 as a compact car, but has since become a full-size model with plenty of space for a family. The heating and cooling system for the Honda Accord needs to be able to handle the temperature requirements of the vehicle.

Why is my AC not blowing air through the vents?

The ac/heat worked great until a couple days ago. I noticed the fan was not blowing any air through the vents. Then all of a sudden it started blowing full blast, while the recirc, ac, rear defrost button lights all came on and were flashing…then it all turned off.

Why does my AC fan keep cutting out?

Starts and stops itself. if your blower is working but keeps cutting out then there are more chances of a faulty blower. I have experienced this with a Q7 fan blower. As the brushes can’t be changed EASILY, this is the best solution in my views.

Where is the fan blower motor on my AC?

All fuses good all relays good. The fan blower for your ac/heater is located under the glovebox. Take your hand and smack the fan blower motor a few times. That’s all it took for for mine to start working again. It’s been working for over 6 month’s now!

Why is my AC not working on my Honda Accord?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My A/C Working? What are common reasons my Honda Accord has air conditioning problems?

What happens when your air conditioner goes bad?

When the condenser fails, the air conditioner will fail along with it. The engine idle speed will not undulate as normal when the air conditioner is turned on, and the air in th… Read More Anytime the AC evaporator goes bad, the air from the vents will be warmer than expected.

Is it illegal to replace refrigerant in air conditioner?

Depending on location, it may be illegal for a technician to replace refrigerant without updating the A/C system to handle the newest type. You may not realize there’s a refrigerant leak until the air conditioner stops blowing cold.

Why is the AC not working on my Acura MDX?

Once components are re-installed, the technician will remove all air from the system in preparation for recharging the system with new refrigerant. Refrigerant is environmentally harmful, and should never be released into the air.

Why is my Honda Accord heater not working?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My Heater Working? What are common reasons my Honda Accord has heater problems?

Is the Honda CRV AC blower motor not working?

My 2002 Honda CRV is the best, but I cant find out whats wrong with the ac/heater, 1 day it was blowing and working but the next it wasn’t, so I have done a lot of elimination like its not a fuse, or relay. When you turn on the car and then the ac knob on the fan kicks on but then right off, could that be the problem.

Which is the best Honda blower motor to buy?

Blower Motor Not Working: My 2002 Honda CRV Is the Best, but I My 2002 Honda CRV is the best, but I cant find out whats wrong with the ac/heater, 1 day it was blowing and working but the next it wasn’t, so I have done a lot of elimination like its not a fuse, or relay.

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

Blower still does not work. Checked continuity of 40 amp blower fuse; it’s okay. Checked most fuses for continuity in the PDC and Junction Box and they are okay. Note, there is no burnt or corroded wiring.

Why is my heat not working in my car?

One of the most common problems with an automotive climate control system is a lack of blower pressure or no blower at all. That means a trickle out of your vents instead of the rush you asked for. When it does happen, you’re left with a miserably underpowered heat or AC system.

Why does my Dodge Caravan have no heat?

My problem is on a 1996 Dodge Caravan 3.3 liter. It has A/C but is a short body and has no rear heat or A/C. The trouble relates to the blower motor and its activation. My blower motor does come on. The Haynes manual says the blower is activated by a relay. I need to find the location of this front blower relay and the fuse that powers it.

Can a climate control system work with no fan?

It will still work with no fan, and you’ll usually still be able to control the temperature of the air that is blowing or trickling, out. But a climate control system with no fan to push the air around is anything but controlled.

How do you defrost a Honda CRV?

1. Set the fan to the desired speed, or high for faster defrosting. 2. Select . The system automatically switches to fresh air mode and turns on the A/C. The A/C indicator will not come on if it was off to start with. 3. Adjust the temperature so the airflow feels warm. 4. Select to help clear the rear window.

Why does my car air conditioner not defrost?

A malfunctioning blend door could close off the flow of heated or cooled air to the defroster. A mechanic can examine the system and identify the problem. If your refrigerant level is low due to a leak, it could keep your air conditioning system from producing enough dry air to defrost your vehicle.

What to do when your windshield defroster stops working?

If one of these components fails, the system can stop working. Solution: A repair shop will check the wiring and related parts to determine the cause of the problem, and then fix it. If the car’s blower fan isn’t working, you won’t get enough heated or cooled air onto the windshield to defrost it.

What happens when a condenser on a car stops working?

The condenser is the equivalent of the radiator in your cooling system. Like a radiator, it removes heat from the refrigerant, cooling it before it returns to the system. If it is damaged, clogged inside, or blocked on the outside with debris, it won’t sufficiently cool the refrigerant.

Why does my Honda Civic blower not come on?

This test result tells you that the blower motor is OK and that the reason it’s not coming on is due to a possible problem with the blower motor resistor (known as the power transistor). Thankfully, you can test your Honda Civic’s blower motor resistor and thus be absolutely sure that it’s fried and behind the cause of the ‘no blower’ condition.

How to test Honda Civic blower motor resistor?

The following step-by-step tutorial will show you how to test the blower motor resistor (power transistor): Blower Motor Resistor Test (2001-2005 1.7L Honda Civic). CASE 2: The blower motor DID NOT come on when you turned the key to the On position. This test result tells you that the blower motor is fried and needs to be replaced.

What causes the blower motor to stop working?

8 times out of 10, when the blower motor stops working, it’s the motor itself that has fried but not always. Other components that can fail, and cause the blower motor to stop working are: Blower motor fuse (located in the under-hood fuse box). Blower motor relay fuse (located in the under-dash fuse box). Blower motor relay. Blower motor.

Where is the relay on a Honda blower motor?

The blower motor relay activates (since relay terminal slot #1 is always connected to chassis Ground). The relay closes the power feed circuit to the blower motor and the BLU/WHT (blue w/ white stripe) wire of the blower motor harness connector now has battery power (from the #12 fuse of the under-hood fuse box).

Where is the AC fuse on a Toyota Fan?

There should be a 7.5A AC fuse, above it the 30A heater circuit breaker, and above that the heater relay. ok ill give it a check tonight , i also dont believe i have a ac button

What to do when your AC Fan is not working?

Checked for incoming resistance ground to the blower, from the dash control switch and it works. Checked for battery at the blower, when the car is running. There is no battery to operate the blower. Rotated all the PDC relays around, they have the same ID, other than ABS pump.

There should be a 7.5A AC fuse, above it the 30A heater circuit breaker, and above that the heater relay. ok ill give it a check tonight , i also dont believe i have a ac button

Where is the heater fuse on a car?

the heater fuse/relay is behind the kick panel on the p/s of the car (kick panel is the panel under the dash and between the door and firewall) also while you are down in that area check to make sure the blower motor is getting voltage aka bad blower motor)

Where is the 10 Amp Fuse on a Dodge fan?

The Dodge owner’s manual contradicts this and shows no 10 amp fuse for the purpose of a blower relay, inside the junction box. Checked the blower with direct power and it works. Checked for incoming resistance ground to the blower, from the dash control switch and it works. Checked for battery at the blower, when the car is running.

What’s the problem with my Honda Civic a / C?

2006 Honda Civic. The A/C works for the first 5 minutes of the day (blows pretty cold), then doesn’t come on again. When the A/C works for that first five minutes, the clutch engages (no weird sounds) and the cooling fan is on.

Why does my Honda Civic get ice in it?

Ice formation can occur if somehow moisture got introduced into the system. As an experiment to pin point the problem, you can have your AC blow hot air and see if that improves the time that the system takes to start cooling again normally. It’s a simple fix. I had the exact same issue with my Honda 2010 Civic.

How long does it take for Honda air conditioning to cool?

The A/C works pretty well – it comes on fast and blows cold. However, after 5 – 10 minutes it stops cooling and starts blowing warm air. If I turn the A/C off, after another 5 – 10 minutes I am able to turn it on again and I can feel the compressor engage and it cools again.

What to do if your Honda A / C unit is not working?

As Eric has said before, A/C work is very difficult, and dangerous, for the DIY. You may be better off going to a shop and paying for an A/C service. That costs about the same as good set of gauges anyway. At the very least, they can tell you what is wrong with the system if there is a bad part.

Why is my radiator not working when the AC is on?

I checked it while it is on cold state, but then when turn the AC ON the Radiator Fan turn on, so I let the AC ON while i drive my car, after 30mins driving if i turn the AC OFF, the RADIATOR FAN still dont work, even the Radiator Temp was hot. The coolant temp has to be hot for the fan to come on.

What to do if your car AC is not blowing?

Depending on what kind of car you have, it should be a pretty simple fix. The problem sounds like it is with your blower motor, not your AC system. Hopefully, the blower motor simply blew a fuse. Find your fuse panel and check the fuse for the “blower motor” or “vent fan” or something like that.

Why is my Honda Accord air conditioner not blowing cold?

Conclusion: A/C Not Blowing Cold Honda Accord Most of the time, when your Accord’s air isn’t blowing cold enough, it is going to be a lack of refrigerant causing the problem. We recommend having a professional recharge your A/C if it does end up being a coolant issue. If you put too much coolant into the system, you can really do some damage.

Why is my car AC not blowing or car fan not working?

It sounds like your blower motor or fan is damaged. The noise you heard was probably the fan blades hitting the side of your ventilation ducts and it suddenly stopped when either the motor failed or the fan finally got stuck. Replacing the blower motor and possibly fan should get you back to having AC!

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!

Why does my AC fan only work on high?

Your AC only working on high probably has to do with the blower motor resistor. It controls the speed of your fan and if it brakes it will only work on high. Try replacing that resistor first to see if you regain control of the fan speeds.

Why is my air conditioner fan not working?

These resistors are all attached to one board with shovel plug attachments and the whole assembly is stuck in the air vent to keel them cool. The motor drives the air to cook its own resistors. The wiring to this unit has the connections housed in a plastic plug matching the connections on the board.

How does the speed control on an AC fan work?

The speed control chooses the speed of the motor by changing the resistance in series with the DC fan motor. These resistors are all attached to one board with shovel plug attachments and the whole assembly is stuck in the air vent to keel them cool. The motor drives the air to cook its own resistors.

Can a mode door problem cause AC not to work?

Sometimes an AC system with a mode door problem could be working fine, but the air flow is being directed somewhere else, like back out to the engine, instead of into the car. Look at your cabin air filter.

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.

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.

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.

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.

What are the best parts for a Honda Civic?

Other parts such as cabin air filter, emblem, headlight and fog light and so on also should get maintained regularly. If you cherish your Honda Civic enough, then you must know the OEM Honda Civic auto parts are best for it.

How do you turn off air vent in Honda Accord?

The LED should flash on and off as you press the button. Turn the ignition and the fan switch to the “OFF” position. Set the temperature control dial on Max Cool. Push the mode control button and select Vent. Turn on the ignition.

Why is there no air coming out the front vents?

The fan is on and i can hear it running but no air blows through the front vents – it seems all the air is blowing through the back vents. Something happened last night and the air started blowing but after about 30 minutes no air blowing. Still today the fan is on but no air coming out front vents.

How do you turn off the AC vent?

Why are there No vents in the front of my Honda Pilot?

if you have an EX or higher with the automatic climate control in auto mode, it automatically siwtches the output vents depending on various conditions. if the mode is in the “floor” mode, there is no air out the center dash vents and a small amount of air to the side dash vents (to defog the front windows). it is a 2003.

Why is my front air conditioner not working?

The fan for my front HVAC stopped working about a week ago and it’s hasn’t started working since. My rear air controls work fine. When I’m drivin about 50mph I can feel air blowin through the vents only if the fan is OFF.

Why does my fan not run when I Turn on the thermostat?

This problem can happen in both heating and cooling mode. Rule out bad fan motor or no power to fan. First, by noting that the fan will run when you set the thermostat to FAN ON we know that the fan has power and the fan motor starts and runs just fine. So the problem is elsewhere.

What happens when a car fan is not working?

That means a trickle out of your vents instead of the rush you asked for. When it does happen, you’re left with a miserably underpowered heat or AC system. It will still work with no fan, and you’ll usually still be able to control the temperature of the air that is blowing or trickling, out.

When does an AC fan control module go out?

Usually, you will have a variety of signs that the A/C fan control module is going out. If the cooling fans begin to run erratically, then you may have a problem with the control module.

How does a car air conditioner fan work?

Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the driver’s selection in their climate control system. These different speeds are usually controlled through a set of resistors or a small computer module which is controlled by the fan switch.

What are the symptoms of a bad AC fan?

Symptoms of a Bad or Failing AC Fan Control Module. Common signs include cooling fans running for a long time or not at all, as well as weakened air flow. Without fixing, your car may overheat.

Why does my AC fan control module stop working?

Since this relay works the blower motor as well, you may notice that the air flow in the cabin of the vehicle is significantly reduced. The module helps to regulate how hard the blower motor works when needed, which is why it will cease to work with this part.

If your speed selector for your AC or Heat only works on high, or low, or if its missing any particular speed, this video will show you how to fix it once and for all. This is a fix for 2nd generation Dodge Rams (1994-2001-2002 2500/3500) Loading…

Where is the fan control module on a car?

The A/C fans that are mounted in near the radiator of the car are also controlled by this module. Usually, you will have a variety of signs that the A/C fan control module is going out.

Why does my car have a radiator fan?

You probably already know the purpose of the radiator and the cooling system in your car. When you are driving fast, the wind is passing through the radiator to cool the coolant down without issues, but when you are driving slow, there is no wind pushed through the radiator. This is why we use a radiator fan.

Navigation