Why is my AC compressor not working on my Honda CRV?

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What to do if there is no power to an A / C compressor?

Re: No power to a/c compressor, I have checked the fuses,… The trigger from the dash switch activates the relay which in turn switches on the solenoid pulley to engage the compressor to work. If this circuit is traced the fault of a open circuit can be found out. If there is no power in the fuse or relay then the main wiring must be checked.

Is there a bad a / C pressure switch shutting off the compressor?

Put 12 volts to the compressor and make sure the clutch locks up first. You checked the compressor clutch fuse, right? Highly unlikely the ECM died for the a/c only. Is there a bad a/c pressure switch shutting off the compressor? Get a shop to hook up the manifold gauges, jump the compressor to engage it and read the pressures.

How many fuses are in a Honda Accord?

Fuses and relay Honda Accord 2008-2012 Fuse Number Fuse Name Amps Component or Circuit Protected 1 – – Not Used 2 – – Not Used 3 WASHER 15A Windshield Washer Relay 4 WIPER 7.5A Windshield Wiper Relay

How does a Honda Accord air conditioner compressor work?

When you switch your AC on, a serpentine belt engages the compressor which acts as a pump that pressurizes a refrigerant and then passes that refrigerant on to an evaporator. Some of the most common problems with the Honda Accord air conditioning compressor are bad seals that lead to AC oil or refrigerant leaks.

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 makes a Honda Accord a good car?

With a long list of standout features that demonstrate why it’s one of the most respected vehicles nationwide, your Honda Accord is especially noteworthy for its great handling and comfortable interior. This comfort depends in part on having cool cabin air at any time – guarantee this by swapping out your Honda Accord AC compressor with AutoZone.

What causes an AC compressor to not engage?

If the clutch doesn’t engage, the problem could be a blown fuse, an open in the wire to the clutch coil, a bad clutch coil, a poor ground, or a low pressure lockout. AC compressor clutches receive power in a number of ways. They can activate through a relay that’s energized directly by a proper condition of the low and high pressure switches.

What to do if your air conditioner clutch does not engage?

If the clutch doesn’t engage, the air conditioning compressor can’t pump refrigerant. So start your diagnosis by determining if the compressor clutch works. Turn the air conditioning controls to MAX AC and start the engine. Then look at the front of the compressor clutch.

What to do if your Honda CRV has a problem?

Scott Robinson (Torrance, CA) took in my car, and automatically assumed the problem was the one part covered under an “extended warranty”. They diagnosed that the part was indeed the cause, they assumed it would be covered by the warranty. They did the job and apparently called the warranty department and got the OK to cover the repair.

What to do if your a / C compressor won’t engage?

HOWEVER, if you cannot turn the compressor on, you cannot recharge your AC levels (grrrr). So you need to use a paper clip to bypass the relay switch and force the clutch to engage. You can then recharge the freon and re install the relay switch and it will sense more pressure and the clutch will engage by itself. Loading…

What does it mean when your AC compressor does not spin?

It is an ominous sign when the clutch engages but the compressor does not spin. Changing the compressor clutch could be the only solution in this case. A bad AC compressor clutch needs immediate fixing. A delay can cause serious damage to the air conditioning system and the engine.

Why is the pulley on my AC compressor not working?

Check the front side of the clutch to examine its condition. Also, find out whether the clutch and the pulley are spinning. If only the pulley is rotating, the compressor clutch is having an issue, which could be stemming from several sources – a blown fuse, bad clutch oil, low-pressure lockout, or an open wire in the oil.

How can I tell if my compressor clutch is working?

So start your diagnosis by determining if the compressor clutch works. Turn the air conditioning controls to MAX AC and start the engine. 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.

Why is my air conditioner clutch not working?

If your Air Conditioning compressor isn’t working (the clutch won’t engage) then watch this video. The A/C switch on the dash switches the compressor on, with one exception. If the PCM (powertrain control module) senses low pressure in the low pressure fluid line, it will stop the compressor clutch from engaging to prevent any damage.

Where is the clutch relay on a Honda CRV?

It is in a fuse box on the driver side of the engine bay. It is label Mag. clutch relay. You should be able to swap it with any relay that looks similar in that fuse box. Once you swap the relay, start the car and turn on the AC and see if the compressor engages.

Why is my Honda clutch relay not working?

The compressor is the unit that cools the air before it enters into the Honda’s cabin. If your AC is not properly cooling the vehicle, the AC clutch relay could be faulty.

How can I tell if my AC relay has a problem?

AC compressor is not turning on. One of the most obvious signs that the AC relay may have a problem is that the compressor is not coming on at all. In most cases, when the AC is turned on you will be able to hear the compressor switch on.

Where is the AC relay on a Honda Accord?

Turn the Honda engine on. Turn the AC settings to “Off.” Open the hood of the Honda vehicle. Locate the AC clutch relay. Trace the wire that runs off the AC compressor; this wire plugs into the clutch relay. The relay is mounted on the firewall.

How is the compressor clutch relay turned on and off?

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.

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