2002 honda civic ac compressor not turning on

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2002 honda civic ac compressor not turning on

If so, try the troubleshooting techniques described here. This is a full explanation of how the system works. After reading, go to this post to learn how to diagnose a compressor clutch problem. Car makers use an electro-magnetic clutch to engage and disengage the air conditioning compressor. When power energizes the clutch coil, the magnetic field pulls the clutch in towards the pulley. As the clutch disc pulls in towards the pulley, the pulley provides the rotating power to operate the compressor.

So start your diagnosis by determining if the compressor clutch works. Then look at the front of the compressor clutch. Both the pulley and the clutch should be spinning.

That means the clutch has properly engaged with the pulley. AC compressor clutches receive power in a number of ways. Or, the relay can be operated by the PCM which has interpreted the condition of the low and high pressure sensors. In that case, the PCM would see that the refrigerant pressures are within bounds and the PCM would provide a ground connection to the control coil side of the AC compressor clutch relay.

In some vehicles the compressor clutch relay is turned on and off by the low pressure switch and the evaporator temperature sensor. In a computer controlled system, the compressor clutch relay is grounded by the computer.

If the fuse is good, disconnect the electrical connector from the compressor clutch coil. Move it away from moving parts so you can safely check for power and ground. With engine running and the AC set to MAX, use a digital voltmeter to check for battery voltage and good ground at the connector. Wiring varies by make, model, and year. In order for the computer to provide ground, it must receive a good signal from the low pressure switch, high pressure switch, and evaporator temperature sensor.

In other vehicles the power flows through the air conditioning switch to the fuse and from the fuse through the low pressure and evaporator temperature sensor to the clutch coil. The compressor clutch air gap is critical to the AC compressor clutch engaging. To learn more about AC compressor clutch air gap, read this post.

DIY recharging kits tell you to recharge through the low pressure port while the compressor is engaged. But if the system is low on refrigerant, the clutch will never engage. Some DIYers then hotwire the low pressure switch to force the compressor clutch to engage while they recharge. You may get it to accept a charge, but you may have already damaged the compressor before the system reaches full charge.

NEVER try to bypass the low pressure switch. Doing so will force the compressor to run with inadequate oil and can destroy the compressor. Moisture reacts with the refrigerant and oil to cause acid and sludge that can destroy the system. Then the system should be fully evacuated to remove all air before recharging.

Not really.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. It only takes a minute to sign up. I have a Honda Civic 1. Normally, I would expect to see and feel a slight dip in rpms as the compressor comes on, but before the IAC opens up to compensate.

Does this seem like a reasonable guess, how can I verify this, and what are my repair options? Is this a diy kind of job? This time I could feel and hear the compressor engage with a kind of clink.

So it seems like I've got some kind of intermittent compressor issue. Maybe a loose wire preventing the clutch from engaging? What should I check? The most likely cause is intermittent failure of the compressor relay. Find it in the underhood fusebox, remove it. It will be labeled Mag Clutch or have a picture of a snowflake. Then swap it with one of the same part number in the same box.

Then test to see if the compressor engages. Your "I feel the load" test is fine but you can see the clutch come on by watching the clutch end plate on the end of the compressor. The two ends where being held together by the red cloth casing and making intermittent contact. I had to finish tearing it to get it out. I just stripped the ends of the wires, twisted them together, added some solder, taped it up with electrical tape and reinstalled the thermal protector.

Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Ask Question. Asked 4 years, 1 month ago. Active 4 years, 1 month ago. Viewed 14k times. Robert S. Barnes Robert S. Barnes The air con controller wont engage the clutch if the refrigerant is low on pressure.If the system has sprung a leak somewhere and the Freon is gone it is no longer an active system that can be checked.

A leak would have to be repaired before further diagnosis can continue. Freon can not be released into the atmosphere and must be reclaimed in a machine and reused. There is a major fine for releasing it into the air. For the purpose of this procedure a circuit tester and a set of air conditioning gauges will be needed. There are several parts to an air conditioning system which makes it somewhat complex.

The main parts of the air conditioning system include:? Compressor: This raises the pressure and temperature of the Freon. Dryer: This removes sediment and captures and retains moisture. Condenser: This acts like a radiator and releases the heat to the atmosphere. Accumulator: This does the same as the dryer except it is used to also capture liquid Freon so it does not reach the compressor. Depending on the year, the Honda Civic may have a dryer or an accumulator, but never both.

Expansion valve: This takes high pressure Freon and turns it into a low pressure, low temperature spray that moves into the evaporator inside the cabin and withdraws the heat.

Since there are so many parts involved, the first thing is to test the system from inside the car and see exactly what is happening so there is an appropriate place to start looking for a problem. If it is and the compressor is on, the system is all right and the problem is in the blower motor. 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. The gauge should show close to 80 pounds on the blue low side and on the red high side, depending on outside temperature.

This is with the compressor off.

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It takes this much pressure to turn the low side switch on and allow the compressor to work. At this point the inside fan is a separate issue if the compressor was not on and will be dealt with next. If the pressure on the gauges was less than prescribed there is a leak in the system and it must be repaired to continue under the hood.

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. 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. Check to see if there is power to the resister.

If there is power, the blower motor resister is the problem and should be replaced. This is a very common problem and inexpensive. It can be done without going to a shop. If there was no power it is a bad control head on the dash. If this is the case, a very expensive reclaimer must be used to adjust the Freon level. However if there is Freon in the system the following is a good diagnosis of problems that can be identified: 1.

If there is a metal to metal sound like a grinding when the compressor comes on the clutch is bad on the compressor and can be replaced separately.After reading a lot there are some possibilities: 1- Open ground at the chassis 2- Under Dash fuse box multiplexer bad 3- 4- Please help My car has an automatic transmission.

Hi there. The air conditioning clutch could be not working for the refrigerant could be low or the clutch could be burned up. If there is a voltage present then the clutch is burned up and needs replaced. If there is no voltage present, then the system could be low on refrigerant or the low or high side pressure sensor has failed.

If there is voltage to the sensors and nothing past the sensors, then the system is low on refrigerant. The cooling fans and condenser fans either are not coming on from a loss of power or the motors are burned up. First check the cooling fan circuit. If there is no power to the cooling fan, then check the fuses and see if they are burned. If the sensor has power to it an after, then the switch is working.

If there is power to the motors on the cooling fan, then the fan motor is burned up and needs replaced. For the condenser fan, if there is no power to the fan, then check the fuses for any of them burned. If there is power to the motor, then the condenser fan motor is burned up and will need to be replaced.

For the ceiling light courtesy light is not working when the door is open, then there could be an issue with the bulb being burned or the switches are damaged. First check to see if the light is just turned off. If the light is on the door settings, then check the doors one at a time and see if the door courtesy light switch is broken, stuck, or has a loose or corroded ground.

If the ground is good and there is no problems with the switch wiring, then I recommend replacing the door courtesy light switch.

For the parking brake light always on, check to see if the parking brake lever is all the way down in the unlock position. If you need further assistance with the issues your are facing, then seek out a professional, such as one from Your Mechanic, to help you with the following:. Marvin Sunderland Automotive Mechanic. Thank Marvin. If you need further assistance with the issues your are facing, then seek out a professional, such as one from Your Mechanic, to help you with the following: air conditioning compressor clutch not working cooling fans and condenser fans not working courtesy light not working with the door open parking brake light always on.

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It only takes a minute to sign up. The only way the compressor will come on ,is by grounding relay,then it blows ice cold. Relays are all good. There is power to the compressor relay and the fan relay. When I ground non power poles on both relays everything works as it should except can't turn off and on from dashboard switch.

Obviously the ECM isn't grounding the relay so let's start there and work backwards. I'll assume you don't have a scantool that can read live data or preform bi-directional control.

This multiplex to ecm is unlikely to have gone bad and would throw communication codes as well as other codes if it was.

So the thermal protection switch is up next. Two red and one blue, One of the red wires is for the compressor clutch the other paired with the blue wire is for the thermal protection switch.

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The blue wire leads to the multiplex unit. With the connector unplugged check for continuity. If there isn't any either replace the compressor or bypass the switch. If pressure is too low or high the switch interrupts the signal to the thermal protection switch. As an alternative you can bypass the switch temporarily. And it looks like the only other input into the Heater Control panel is from the Evaporator Temperature Sensor. Given the age of the car and not knowing whether the compressor has been replaced before, the part most likely to have failed is the thermal protection switch followed by wiring and the heater control panel.

Multiplex units can fail but this is rare. Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Asked 4 years, 3 months ago. Active 2 years ago. Viewed 11k times.

The only way the compressor will come on ,is by grounding relay,then it blows ice cold Relays are all good. Does the fan work on all speeds? When the AC button is "on" and the engine running, do the fans under the hood come on?Specifies the list of ids of the field that the logistic regression predicts.

Troubleshooting a Honda Civic AC

In a future version, you will be able to share logistic regressions with other co-workers or, if desired, make them publicly available. The alternative key that gives read access to this logistic regression. This is the date and time in which the logistic regression was updated with microsecond precision. Statistical tests to assess the quality of the model's fit to the data.

This makes each field have roughly equivalent influence. Example: true category optional The category that best describes the cluster. G-means iteratively takes existing clusters and tests whether the cluster's neighborhood appears Gaussian.

If it doesn't the cluster is split into two. The default is to 5, which seems to work well in most cases. A range of 1 - 10 is acceptable. Specifies the fields that won't be included in the cluster.

Example: true name optional The name you want to give to the new cluster.

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Example: l1 replacement optional Whether sampling should be performed with or without replacement. A dictionary that maps cluster ids to dataset resources offering per field distribution summaries for each cluster. Each dataset resource can be serialized on-demand using the neighborhood of the cluster. With no seed, the cluster locations can vary from run to run. With a seed, the clusters are deterministic. All the information that you need to recreate or use the cluster on your own.

It includes: clusters: a list of centroids with a cluster object for each centroid.

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It also contains the distance distribution of the entire dataset to that center. This will be 201 upon successful creation of the cluster and 200 afterwards. Make sure that you check the code that comes with the status attribute to make sure that the cluster creation has been completed without errors.

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Upgrade privilege Let yourself be tempted by an exclusive offer before your arrival. And more than asking for a review, businesses should send a direct link to the actual review form to make it super simple for customers to review the business on your Google My Business page, especially for businesses who serve local customers. After completing a project at WebWorks of KC, we send a simple thank you follow-up email to clients.

After thanking new clients, we wrap up the email by a asking for a review on our Google My Business listing. This direct link means there is no searching, frustration or abandonment of the review mid-process when the client starts to leave a review. Google My Business review box with star rating and comment box. Also, reviews on your My Business listing will help boost your results in Google search results. Business name, address, phone number, reviews and more information are displayed in the Knowledge Graph when users search for your business name.

Absolutely, online reviews make a difference, and specifically Google My Business reviews. As well, research shows that 5 reviews is the magic number of Google My Business reviews. When an account is attached to an online review it is more likely to be a legitimate review from a real person, not a fake review created by the business owner to make their business look good. If your customer wants to remain anonymous, move on to the next customer.

You will need an iPhone to create your pre-filled 5 star Google review URL.

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This is the URL you will share with clients when asking them for a ratingYou now have a universal link that will work on desktop or mobile.

A better option: take that big ugly long link over to goo. Click the link to see it in actionYou can create this redirection in the. You can usually access it through your hosting control panel (or cPanel) or via FTP. Ask for the review. Would you mind taking a moment to leave WebWorks of KC a short and honest review on our Google My Business listing.

Of course this takes a little more finesse, but if you regularly text with clients, this method is an even quicker way to get that review. It was a pleasure working on your project. Would you mind taking a moment to review us on Google. Allowing anonymous reviews does not promote accuracy, and allows for misuse of the Google My Business review system.

Your customer will always have to be logged in to Google to leave a review of a business on Google My Business.

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If nothing else, ask you customer to email you a testimonial that you can display on your website. At Web Works of Kansas City, most of our clients come to us needing a new website, needing search engine optimization (SEO) for their existing website or needing one of the other various digital marketing services we offer. Any of these accounts will work. If a client does not have a Google account, we walk them through the process or create the account for them.

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