No power to compressor clutch

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(Manual climate control. Next morning started it up no A/C. It is controlled using a clutch system where its shaft is engaged and disengaged to a rotating shaft of the flywheel using an electromagnetic switch. When current is passed through the coil, it creates a strong magnetic field that pulls a splined hub into contact with the spinning pulley. the clutch engages. then you have to vacuum the system and then charge it with freon with the proper amount of freon. the diagram I sent you has the wire that you need to check. 08 volts, which is probably 0 as far as the compressor is concerned. AC clutch on same fuse. 8l. 10% OFF $75. :EG21-61-L30 EG21-61-L30A. Found a cut wire at the low pressure switch, installed a new pigtail with no change. So what i did, I test the other relay sockets (fan radiator, fan condenser, etc. However, the A/C control panel, among other things, gets power from fuse M34. it's the thicker tube. I have no idea of where to look now since there is so much that can affect it. With time, you may notice that the A/C in your Ford isn't performing as it used to. 3. With AC on max, I popped the hood and checked to see if the clutch on the compressor was engaged. Total cost: $350. I have tested both limit switches. With AC turned on, the clutch on the compressor does not kick on. Oct 22, 2015 · When power energizes the clutch coil, the magnetic field pulls the clutch in to engage the compressor shaft. I checked the fuse and it is fine and there is power going to the fuse block when I turn the AC on. Personally I think I have either an electrical problem not allowing the clutch to engage or even a bad clutch itself. Aurora. they are all good. Checked fuses. So if the fan isn't going to work, don't bother to start the compressor. Clutch Express, savana. 8Liter, 5. I can by pass the curcit through the control module and make the Disconnected the car battery, used my motorcycle battery & some jumpers to get power to the relay only (so as not to power up anything else), pulled the PCM connector, and grounded pin C2-47. if i unplug the connector at the compressor and put power directly to it, the compressor will come on. 4 V8 and we just put a new ac compressor in and we cannot get the clutch to engage. There is no power to the A/C compressor clutch and it does not engage. 2 terminals of the A/C compressor clutch relay 4P socket with a jumper The dash vents blow and the dash fan runs but no cold air, I feel that is because the system needs recharged. The front clutch will be hard to spin but if you spin the actual pulley where the belt rides it should spin free. One day it just stopped working. OEM NO. 3L CX7 AC Clutch EG21-61-L30 EG21-61-L30A Parameter: Compressor type: Panassonic AC COMPRESSOR. Of course, I can jump this and the AC works. Symptoms: Compressor doesn't run when panel AC switch is pressed. Time to get out and review a wiring diagram. The number 30  3 Jul 2018 2012 Freightliner M2, A/C compressor no power. Re: no power to ac compressor What was the temperature, when you tried it? If it's cold (ie. The only way to modulate the pressure produced by the compressor was … AC blew cold yesterdaytoday it only blown ambient air temp. If the fuse bracket shows signs of corrosion, heat distortion or insulation melting, that heat can also burn the fuse terminals. W210 E-Class. I have no power at the switch at the Dryer! So shorting the two out no longer engages the compressor. Seems like pretty straightforward stuff. compressor power comes from the pressure switch, not the control 2001 freightliner century classic s/t no power to ac clutch or high switch but power to low side at dryer  This frees up power and increases fuel economy when the A/C is not being used. And the faster the engine turned, the more pressure the compressor developed. you will hear and see the compressor Put 12 volts to the compressor and make sure the clutch locks up first. Its reading 0. Here it goes! No power to AC Compressor Clutch. Since it is a motor, it has windings just like any other motor. After that, I only needed to read the compressor replacement procedure, to convince my self that I don't really want to deal with it. May 18, 2017 · Pin one (G / Green?) goes to the AC amplifier (Module?) - this is the coil for the relay to pull in. I will tell you what I DO have. I jumped the compressor from the battery and the compressor ran and blew cold air. to engage and disengage from engine power so that the compressor is . aircon compressor clutch does not engage even with a + 12v supply to it A few basic reasons why an air conditioning clutch does not engage, even if you have a power supply down to the compressor. It also tends to cause undue strain on the compressor bearings as every time it engages, there is a sideward thrust on the compressor shaft which can shorten life span of the compressor as well but mainly the clutch is sanden compressor model: grooves: groove width: volts: clutch diameter: part no. Why is there no power going to the a/c compressor clutch? (2007 Dodge Caravan) The a/c system is full of refridgerant, & cools great if I supply power to the clutch with a jumper wire. If the pulley does not spin free all the time then your compressor bearing could be wearing out. 5104, 9173, 9165, 9056, 5012, 5140: 2: 1/2" 12v: 125 mm: cl 1003: 5111: 2: 1/2" 24v DTC No. dksob81. However, a cantankerous clutch relay on some Hondas … compressor drive shaft. Having read many posts it seems I should check the relays in the power box? A/C compressor will not engage, so I did the following: #1, Tried to re-charge, the gauge went into the yellow area, border line red area. There should be continuity between this cavity and the A/C compressor clutch relay output circuit cavity of the compressor clutch coil wire harness connector. Testing low pressure switch: With the truck running, A/C turned on. Remove alternator, remove 2 bolts for compressor then pull the compressor up so that clutch faces towards you, then tie the compressor in that position with a wire or rope. If you hear squealing or squeaking sounds from the compressor, or if the air from the vents isn't as cold as it should be, the A/C compressor might be failing. The compressor does nothing when AC is enabled. All models. If there is a voltage present then the clutch is burned up and needs replaced. Now you can remove clutch from compressor by removing the 8mm or 10mm bolt that is one the face of the A/C compressor(DO NOT lose the washer or washers that are used to space the clutch assembly they are on the compressor side of the clutch, you can reuse them upon reassembly). If your mechanic isn't a thief, spend a 100bucks and have him fix the connector. I'm thinking it may be seized. If you're low then don't refill it till you find the leak, or you'll be wasting money since it'll leak right back out. Jun 16, 2004 · 3. It's all charged and works good. If the engine was running and the clutch was engaged, the compressor was pumping. Since you "Moved" the compressor be sure all wires/grounds and contacts are OK at the compressor. Tech diagnosed a leak at the condenser, leak at a hose fitting, and malfunctioning compressor. With the AC running, locate the AC compressor, and then find the AC clutch. Since the compressor is not engaging, the air is not cold, has to be electrical but all the control lights are ok, no blinking lights or anything abnormal, the blower is fine at all speeds, just Aug 16, 2016 · If you have power to either pin and jump it then with the engine off pull the wire harness to the compressor and see if either one of its wires had the power to it. As the compressor starts, it draws in the cold refrigerant gas in liquid form as it leaves the evaporator. When the car is running there is no power in the climate control and no fans blowing. If both blower motors work on low speed the motors Apr 10, 2009 · As Hef said, check for power into the LPCS. And you will not have to discharge 134a. a. I believe this is the right thing 2011 Mini Cooper S. No power button on the tool  13 May 2014 When power energizes the clutch coil, the magnetic field pulls the clutch in towards the pulley. I have a 2003 Jetta GL. Jul 21, 2016 · Dashboard button issue (that lights but doesn't send 12v to the clutch) Something else in the system I am tempted to simply bypass the switch and see if I can get the AC clutch to engage correctly by putting 12v across it - there is no tell tell 'click' when you press the AC button. If no problems are found you'll need to verify if clutch is getting electrical power. The compressor clutch definitely does not engage when the A/C is turned on. 3) I have power to BOTH sides of LOW pressure switch on drier. If not OK, repair the open circuit as required. If the AC compressor clutch is motionless with the AC running, there's a problem with the compressor. Is there a fuse for the AC Compressor and if so where is it located. 2) It is most definitely the AC compressor clutch. Also have some one help you to see if the car is calling for the compressor to kick on. This is the same for the heating. . Makes sense since the aux fan is activated as pressure rises in the A/C refrigerant circuit. All gpd Compressor kits are application specific. fan blower work and a/c interior switch works. While on a short drive I noticed a squelling noise coming from the Simple symptom is, the clutch in the AC compressor isn't kicking in. Thus after checking it out for awhile, i realize the ac compressor was not getting any electrical power, so i checked the fuse, and the fuse was blown. This will cause friction that will make the rotors spin. 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. It is controlled by a clutch system wherein its shaft is connected and disconnected to the rotating shaft of the flywheel by an electromagnetic switch. Is there battery voltage? 5. AC Compressor Drive Ring Inside the air conditioner's refrigerant compressor is a drive ring made of a friction material that is mounted to both sides of the "swash" or "wobble" plate. Jun 17, 2013 · I checked A/C compressor relay works fine, jumped the compressor: clutch engaged and blower blows cold air, checked continuity on the low pressure switch: there is continuity, checked Thermostat: works correctly this is all I have checked so far any ideas guys? thank you Jun 09, 2010 · If the compressor is seized, the entire clutch assembly will be stationary and the belt will be slipping, squealing, smoking and, in a very short period of time, failing. Now, after doing an engine swap the last thing I have to fix is getting the a/c to work. 0L, GAS, Eng Des AEG; 2000 Volkswagen Jetta GL 2. if you have power and you jump out the molex and the clutch does not engage, you could have a bad clutch or bad compressor. 2002 Silverado 3500 LT Symptoms: No cold air, A/C light on dash will light, fan door appears to work from dash to foot to mix to defrost positions. Could this be the compressor clutch, rather than the entire compressor? How would I know? Is it really worth the energy/time to install a used No refrigerator is completely airtight; cold air leaks out, and warmer air leaks in, causing the temperature to rise above its set point. Only run it long enough to get a reading on your manifold gauges (if the system is low, you can burn up the system). Astro, Safari. Jun 17, 2011 · In any case, they said the computer is showing the signal being sent from the Control Head, but the compressor is not receiving power. If the air temperature does not cool when the AC system has engaged A bad clutch will lead to a bad compressor and vice versa. There are two wires that feed the A/C Compressor clutch, The dark-green is positive and the black is a ground. Is there anything else I can check or miss with before I know I have to replace it, could it possibly be a different problem than the A/C compressor. 01% chance that your low pressure switch is bad. A/C Compressor Clutch Coil Test. Here, I have the compressor clutch power and ground backprobed at the most accesible area closest to the actual compressor. Thanks for the help, pin T14/10 on the FCM was outputting 5. So i was not getting any cool air and notice that my ac compressor was not even working, the clutch was not turning when ac is on. This time I plan to do it myself in a week or so, but my worry is that the clutch has been broken for so long that the compressor has been just sitting there for a long time. When it gets hot, it will disengage and you can test the single wire at the compressor and read "ubatt" (12volts) at that wire. So start your diagnosis by determining if the compressor clutch works. This Clutch will fit your Genuine Denso (OEM) compressor. i checked all the fuses and the relay. Aug 07, 2018 · Damage to the clutch could also make it difficult or impossible to even separate the old one, which would be inconvenient to discover halfway through the job without a replacement compressor handy. As the I am getting no power to my compressor when switching air con on but if I run a live direct yo compressor from battery it kicks in resulting in air con cooling the air in car. It worked fine last summer. gpd Compressor Kits include, Compressor, Accumulator, Expansion Device, and Rapid Seal Kits(unless otherwise noted). A/C Compressor Clutch is not receiving power. A fault with any part of the clutch will cause the entire system to Jul 19, 2007 · If no power there, then check for power at the BK/Y wire from the high pressure cutout. v coming from the pcm that engages the clutch which turns the compressor on, well i have tried to give it direct 12. Also check the A/C COMP Relay (#50) as well as the A/C Clutch Diode (#65). . Optional. You can apply more tension to the belt, or have the AC compressor replaced entirely. Switched relays with no change. 2. That tricked the compressor to kicking in. However No doubt this means that either power is not getting to the compressor, or that the compressor clutch coil is blown. If the PCM (powertrain One crucial element of the A/C compressor is the clutch. Apr 10, 2017 · An AC clutch compressor is a type of compressor that derives its power from the car engine’s flywheel. Well, or a similar boat, maybe. Application: for Mazda CX7 AC Clutch. Additional problem is neither of the front cooling fans engaging either unless you hotwire them. Replacing your A/C compressor, clutch and drier all at once ensures better reliability, protects your warranty and means lower long-term repair costs. While performing the checks, do not leave the relay bypassed If the compressor kicks on, then 99. When the A/C is activated, the compressor clutch transfers power from the engine’s crankshaft to the pulley mounted on the A/C compressor. There is a GROUND on the compressor shown. look it up ebfore buying a new compressor lol, save ya some moniez Show Full Signature Hi buchhntr, If the system isn't fully charged, the A/C low pressure switch will prevent the compressor clutch from engaging. I have replaced the relay and check the fuse but still there is no voltage going to the relay. Well, like I said before, I already switched out the relay with another that I know is working. No diagram. May 25, 2020 · Put all the washers into clutch plate spline part that goes onto the compressor shaft, put the clutch plate onto the shaft, and then install the 10mm bolt. Remove the connector and force it with 12v and ground. At this point I'm pretty sure Climate control module has an issue, so I was able to get a hold of a known good DEATC module, plugged it in and did the whole reboot procedure. 00 later, I have a new compressor and everybody is The compressor should kick in soon after adding 134 through low side. May 02, 2011 · 2002 Saturn L200. Sometimes the clutch itself can be In earlier air conditioning systems, the compressor ran at full capacity whenever its cycling clutch was engaged. The air conditioning clutch relay transfers power, like a switch, from the interior A/C controls of an automobile to the A/C compressor, engaging the compressor clutch. Then swap it with one of the same part number in the same box. Not even the ac light comes on. If no power, check the cab connector. com on this car and it is absolutely worthless. 0L; and 2003 Volkswagen Jetta GLS 2. I just wouldn't advise trying to use a home made clutch puller. What is an A/C Compressor Clutch? When the A/C is switched off, the pulley on the A/C compressor spins freely. 4L Compressor Clutch No Power Posted to GM HVAC on 4/21/2005 6 Replies This vehicle when a/c switch is pressed commands the a/c on on scan tool. There is no power getting to the compressor. The clutch resembles a small circular gear, and it helps engage the compressor belt. new a/c compressor clutch remover / installer tool kit. 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. Yet I can short out the relay and the clutch will engage but there is no cold air. Swapped out starter and A/C relay, no power to compressor ?? find the low pressure switch, it'll be on the line with the blue cap on it. No Power to A/c Compressor. The shop quoted $1,000 to replace my bad compressor. Next, go to the compressor electrical connection box on the compressor and open the… Jul 31, 2012 · The new compressor has a larger, rectangle female adapter, while the wire from the car is a smaller round male connection. I turn the ac button on and off while the vehicle is running and it still won't engage. Vehicle Applications: 2000 Volkswagen Beetle 2. I pulled the connector at the compressor and am not getting any power there when then AC button is on. Your AC compressor should spin freely without the AC clutch engaged, for example with the defrost and A/C switches turned off. swap the a/c relay for testing no luck. 06-26-2008, 05:47 PM. We jumpered both high and low pressure switches as well as checked all the fuses and relay and everything checks out but still no power to the plug that attaches to the compressor Nov 08, 2015 · The only two things the compressor clutch and the blower motor have in common is the A/C control head and the power feed from the A/C fuse. The power could be controlled by a simple circuit consisting of a switch, fuse &  The automotive ac clutch relay and how it funcions. Nov 11, 2019 · 4) Stuck AC Compressor Clutch. This compressor worked great for me. Jul 21, 2010 · Please before any of you try the A/C clutch shim ordeal. That is what I would like to find out next. A/C is dead, and I have power going to the compressor clutch but no engagement, and Freon pressure is still good. I have no reports of this on the newer 2013/2014 models though. 1) System is charged. Tighten the bolt just tight enough for now, it will get torqued later. Power for the compressor clutch comes from one of the TIPM circuit boards, through connector C1, pin 50. 99% chance your too low low / out of refrigerant. Opened up the ACCU (Air Conditioning Control Unit) and don't see ANY sort of burning or leaking capacitors. there are no major pits in the contact area on the 3) the IHKA then energizes the compressor clutch. I took a peek at the compressor and the clutch doesn't engage. AC Compressor Clutch Not Engaging. More videos. Gas engine. Sep 05, 2017 · (this is usually a sign of a weak clutch) The only wires going to the compressor is a thermal cutoff switch if the thing gets too hot and then the main 12vt power supply going to it. The clutch is not the problem, I manually verified that it engages. Wanted to try the low side pressure switch also but could not find it. Just replaced the Accumulator and replaced o-rings on compressor. My apologies! Sep 26, 2005 · My son's '95 G. If the coil loses magnetism, then the air conditioning rotor will have no source of power, and it will lead to an air-con malfunction. Replaced compressor, condenser, inline filter, freon & oil. I looked at the new one and there is no "gap" to speak of. 5-9 volts. If the clutch does not engage, then check the clutch ground connection and coil resistance. Is there anything else I can test before taking it to a tech? Also, I think I read that somewhere in the A/C system is a thermal interlock that prevents compressor operation when the external temperature is below 40 degrees F. A bad AC compressor clutch needs immediate fixing. tested voltage to clutch compressor and it goes on and off as well as if something is telling the compressor not to come on The photo below shows we have power at the bad terminal. ) Potential Causes: A/C Compressor, A/C Pressure Sensor F129, A/C Switch, Ambient Temperature Switch F38, Battery Auxiliary Fuse Box, Fan Control Module J293 (and Wiring), Fuse or Lost Throttle Basic Settings . Mar 30, 2010 · 3. Pin 3 (V / Violet?) goes to the Compressor Mag Clutch. 6 Motorcraft Compressor Assemblies include scroll type compressors for heavy duty applications and fix Why Buy: Variable capacity of scroll type compressors helps reduce clutch cycling which can contribute to a longer clutch life. Riveria. I have 2 yellow lights on dash. b. Once installed and operating, Warner Electric clutches require no adjustment or other maintenance. Although even with a brand new relay, the compressor wouldn't kick in on its own. I'm not sure that the clutch on the Nippondesnso compressor is engaging. I checked all fuses, read through the posts here and am drawing a blank. How do I know if I can just replace the clutch Then finish it off with a flat washer and nut on top to compress the clutch with the "c" piece. Without this relay, the AC compressor will not have power and the AC system will not function. Either the switch on the control head is no good or there is no power coming from the fuse block up to the head. Jun 04, 2015 · It used to happen sometimes that the AC compressor was not turning on when remote starting. Clutch output shaft? Oilsmashin: TDI Power Enhancements: 0: August 16th, 2016 11:48: Change out clutch coil and clutch or whole compressor WANT YOUR OPINION: jcilforever: VW MKIV-A4 TDIs (VE and PD) 12: August 6th, 2013 18:54: Compressor Clutch Problem: mandrake slink: TDI 101: 5: May 15th, 2013 08:59: Replaced my A/C compressor clutch WITHOUT Wondering is there is a test procedure to determine why the A/C clutch will not engage. I have went through all of the typical problems and have figured out there is no 12V going to the compressor. The system is currently empty and I reinstalled the compressor to get the truck up and running while I was waiting to get some new lines made. Feature: Ref. if it does then you may have a bad temp sensor I have the same issue on my W201. I ordered this one from Amazon and had a mechanic who worked at home installed for me. Try first wiring a 30 amp(fog light)relay into the power supply to clutch. May 30, 2013 · Recently bought truck 1998 silverado z71 4x4 dually. yes this is my next atempt is to try and run a wire from the battery to the compressor not easy to access though was told by previous ownerv that the compressor is bad but i have a second van that is getting power at the compressor so i used the good fuses and relay for testing and did test the relay socket i get a reading Aug 09, 2018 · Here is a quick tip to look for before troubleshooting the A/C system or installing a new A/C compressor clutch relay. I had to unplug the compressor for the winter, but would like to try and fix it before summer. However, the fuse box is no longer just a panel with wires and fuses. Remove the A/C compressor clutch relay from the under-hood fuse/relay box, and test it. Mar 18, 2019 · Check the AC compressor clutch fuse first The high amperage power runs through the fuse bracket before going to the positive battery terminal. Be sure to subscribe for more tool and car repair videos! https://www. It will be labeled Mag Clutch or have a picture of a snowflake. The clutch is dependent on precise spacing between the clutch plate and pulley, a smooth bearing inside the pulley, and proper functioning of the electromagnetic coil to engage properly. If it now engages, you may have a bad relay or short between relay and compressor, or computer to relay. Should Be Working Instead Of Using Tapatalk 2 and 3 holes puller plate fits most clutches. So you will not get 12v at the power to the clutch? Dodge Manual: "The compressor clutch engagement is controlled by several components: the a/c heater control head (ATC or MTC), the evaporator temperature sensor, the a/c pressure transducer, the compressor clutch relay, and the Powertrain Control Module (PCM). Was not sure if this is normal. 2) Fuse is good, have power to blower and it is working. Year: ALL. Freightliner Columbia 2007, 14 L , DDEC 5, no power to the A/C clutch. This allows the compressor to use the engine power only when it is needed. My Compressor Information: Delphi 6581 SAE J639 Part Number 1136581 Code 021380836 . 1) Checked system pressure with gauges to confirm that there is actually some freon in the system. My AC compressor was engaging when I brought my car to the shop, they determined it was empty and had leaks so they replaced the o-rings and recharged it. I checked power to the low pressure switch and the voltage new compressor? they make clutch rebuidl kits for those, hell there is one for my car's compressor clutch. And it was. When it's not driving the compressor, the clutch pulley turns on a double row of ball bearings. An A/C compressor clutch coil is a simple device made of fine windings of wire wrapped into a coil. The compressor still won't turn on. Nov 30, 2010 · I know for a fact on later years cars, if your aux fan is bad, there will be no power to the compressor, you can read the codes and it will tell you if you have a bad aux fan or not. You should be able to engage the clutch with a PowerProbe III or similar. A little history, new compressor, ac lines, evaporator, drier, high and low pressure switch and now ccrm. I have a couple of questions. Checking an A/C clutch relay is a process of eliminating possible connection failures. Also there might be a pressure switch on the back of the compressor that you can jumper also. It is an ominous sign when the clutch engages but the compressor does not spin. if it does engage, just replace the pressure switch, if you do replace it, make sure to lube the seal with pag oil. Compressor ground is good. youtube May 31, 2013 · Re: no power to A/C compressor Jun 05 2013, 10:11pm Well, had the fuse box out, had the climate control panel out saw no obvious signs of disrepair and no way to run a lead to the A/C switch as it goes into a circuit board, so I just ran a jumper to the # 87 pin wire under the fuse panel and switch that with a toggle. Jun 23, 2010 · this is a 97 astro van . If the truck is shut down and started the next morning the A/C clutch will engage and blows cold, once you switch the A/C off ,will not engage anymore. If you do remember to put the Comp. If the clutch doesn’t engage, the air conditioning compressor can’t pump refrigerant. Re: 2001 BMW 530i Compressor clutch no power Sign In You're probably going to need to get hold of a enhanced scan tool that can access the HVAC control module to look at data pids to see if the mag clutch is being inhibited. Well, we need to investigate the wiring a bit more. I tested it outside the car, using power-supply and multimeter. The PCM 24 - 8 CONTROLS LH may Mar 07, 2013 · Compressor clutch is engaged all the time which causes my lines to freeze resulting in no air flow. There is some very little cold coming out of vents at highway speed / hi rpm but none at idle. I tested the relay, and made sure the sockets are getting battery voltage (they are). Trouble Area. Since you've checked AC relay and fuse, check to confirm 12V is arriving at compressor clutch connector. There was another accessory that needed to be powered at the IPDM. It should work. hey guys i have no a/c the clutch is not engaging, from what ived read there is a 12. Once 1st half of clutch is out of the way you need a pair of snap Fortunately, most air conditioning relay failures are very straightforward: The compressor clutch relay quits and the compressor stops running. If there is no voltage present, then the system could be low on refrigerant or the low or high side pressure sensor has failed. I replaced it last night and the new one works and my compressor clutch is now getting 13V, which matches the output of pin T14/10 on the FCM. 3L Hatch at 162K, runs smooth as it can ever be. Purpose of the A/C Compressor Clutch. Why would there be no power going to the main lead on the compressor? 2005 Honda Odyssey Touring A few days ago the AC just stopped blowing cold air. it is mounted in the PDC (power distribution center) the location of the relay is discribed on the back of the cover. With no leaks detected over night, I thought I "might" get lucky and just need to recharge the system, so I tried installing the prescibed amount of a compatible refrigerant. Here are the details: 1) Unit DOES have freon 2) There IS power up to relay for clutch (#204) that is in the PCM (fuse box under hood) when using a test light 3) Cooling fans DO kick on 4) When AC switch is turned on (in car) the RPM does change and switch looks to be working fine 02 H6 subi - When I turn the A/C on the car does nothing different than if jsut the fan is blowing, that is the engine does NOT bog down aka the compressor and blower do not seem to engage, no lag on the motor. The wiring diagram with notation that I posted for the Dakota A C compressor wiring is INCORRECT. Instead of external relays to control things like the compressor clutch coil, it uses solid state devices. A/C Compressor Clutch Hub (2) BRAND. In this case, checking with a test light only proves the fuse is good. check for power at the plug. Hello I am new here and need some help figuring out a problem. Now, when I jumper the high-current terminals to force the clutch/compressor, it almost makes the engine stall. If only the pulley rotates, there must be an issue in the system. What is a On some of these circuits, it's important not to reverse the 85 and 86 (coil) pins. Jun 24, 2013 · Thought it might be OK the next day, but, no, the compressor was 'screaming'. On Max A/C settings the Compressor clutch doesn't even try to engage Just blows the ambient temperature I've replaced the AC compressor and vacuumed/ recharged the system with no luck Disconnected the TIPM and everything looks normal under there Everything works as it should no weird electronic May 31, 2016 · The A/C clutch relay is located in the IPM, aka the front power distribution center, under the hood, left/front of the engine compartment. Then test to see if the compressor engages. Like frank said, you already did the diagnosis when it was not working (exactly when you want to do it). Good Night; i have a 2005 Honda odyssey 3. The compressor clutch switch (plug on front of compressor) is not getting power. 975 a delphi / harrison a 6 / r sae remover / installer. Use Code: DIYSAVE10 Online Ship-to-Home Orders Nov 09, 2011 · The A/C high-pressure cut-out switch and pressure cycling switch must also be closed. I suspect that there is really no problem with my A/C system except the electrical. Bypassed hi and low pressure switches, no power to compressor. Flushed system, held vaccum, filled with 34oz r134a. A delay can cause serious damage to the air conditioning system and the engine. Took the power directly off the starter and used the clutch wire from the cab to kick the clutch in, no issues with it yet. Complete AC compressor CLUTCH ASSEMBLY for vehicles listed below; chevy Tahoe 2000 - 2009 8Cyl 4. Where is the Low pressure sensor located. Checks of all other pins on the FCM were good, so I decided it was a faulty FCM. 4L. ) and they all have readings 12V. Likely causes: clutch problem, wiring problem, or open circuit (e. 4Seasons/Everco (1) Compressor Works (2) Santech (6) This is a test. I hear the engine rev up but when I go underneath the car to take a look the clutch on the compressor -- it is not engaged. 20 Jun 2019 An air conditioning compressor clutch gets its power from the flywheel of your car's engine. For ac clutch relay all it has is the . Price and availability update 2011 (the Florida place is out of business): For the ACDelco A/C compressor P/N 1136521, the clutch, pulley/bearing parts are: Advance Auto Parts has 21 different A/C Compressor w/Clutch for your vehicle, ready for shipping or in-store pick up. When the A/C is activated, the compressor clutch transfers power from the  21 May 2020 Replacement of the clutch and/or compressor may be necessary. The compressor clutch won't pull in. To check compressor windings, first shut off the power to the unit. Nov 26, 2018 · Method 3: Replacing The Clutch. The A/C switch on the dash switches the compressor on, with one exception. If power is good to the relay, and no power out on the wire to the clutch, then the pcm is not grounding the relay. I've tested the relay by bridging the supply volts to the compressor. Any suggestion will be appreciate. the compressor should not engage if the ambient air temp is below 45-50 degrees. You will need a feeler gauge to check the gap between the clutch plate and the hub (compressor pulley). The compressor is activated by the A/C clutch and is driven by the engine belt. Measure the voltage between the No. I replaced the fuse, and the ac compressor starts working again and Apr 06, 2017 · Take a look at the front of the compressor clutch to see whether it as well as the pulley are spinning or not. The driver reports that the system suddenly stopped blowing cold air. Problem 2: No power to AC compressor Error: Sensor #5 - Evaporator Temp Sensor and AC Compressor Electromagnetic Clutch Solution 2-1: RR Evap Temp Sensor and AC Compressor Result: STILL no power to the AC Compressor, Problem 2 persisted Solution 2-2: Reviewed 1996 E320 AC wiring diagram supplied by DDADDY. But without the Compressor running I can't get it to take any R134. if you still got it. If the clutch were to get stuck or seize entirely, then it would not be able to transfer power from the engine over to the compressor. I am getting power to it, the pulley spins but the clutch won't engage. if you want the compressor to run continiusly you can place a jumperwire at the a/c clutch relay. RD/Y is power in, the power out goes to the cutout relay to power the clutch. Is the relay OK? 4. Mar 09, 2011 · Q car year: 2003 car model: Mini Cooper I have replaced the a/c condenser due to freon leak and evacuate / recharge R-134 12 oz. We bought the car in March here in Omaha and it was cold and like a true novice I forgot to look at the compressor to make sure the clutch was engaged. 3 hours it should take to replace. Aug 05, 2011 · hey guys, i have a 1998 Mazda Protege LX. If the clutch engages, then check the power supply to the clutch, including the system protection devices and electronic compressor controls. S-series. 15amp under dash is fine. The system is charge correctly but the compressor wont engage. no power to A/C Compressor. Connect your negative, or black battery cable with the grounded contact in the compressor. All product needed to do the job right the first time; Designed to meet or exceed OE fit, form, and Mar 27, 2015 · Compressor strongly cycles on and off and pressure fluctuates between 20 and 45, low side port tube is frosty but no freon will flow into system. IT may be internal or a separate wire. When you hotwire straight from the battery to the clutch it engages and blows nice cold air now. , bad relay, fuse, switch). I located the relay connector, just behind the flat 'bar' as suggested. I checked voltage coming to it, and it was 12V when the A/C called for it to come on, and zero when it cycled off. Let’s first of all understand how the compressor starts to ‘pump’ when we switch the air conditioning on inside the car. OIL in the compressor before you put the compressor on the engine. Jul 03, 2018 · ok, power comes from the bulkhead module to the pressure switch. Aug 08, 2017 · The AC compressor clutch is one of the most common points of failure on the compressor. I found on every car the line voltage to clutch was 7. The fuses all looked good for everything ac related. jwalsh1316 · Registered. Known: Freon charge is good, fuses (inside drivers Find it in the underhood fusebox, remove it. Dang! The clutch engages as it should, which means all the wires, fuses, relays, connectors, clutch solenoid, solenoid ground connection, and compressor Sep 09, 2015 · Anything less and the clutch is shorted internally which would cause the control panel to cut voltage to the a/c comp. ) Potential Causes: A/C Compressor, A/C Pressure Sensor F129  Before buying anything check the AC compressor with the engine on as discussed later - Check to see if the AC clutch engages when power is added. When it comes to your Dodge Caravan, you want parts and products from only trusted brands. good luck! Testing compressor clutch/wiring: Key on engine off, Jump the A/C clutch relay from pin 30 to pin 87, Compressor clutch should "click". Step 5 Remove the M5 screws and puller tool, then assemble your M6 bolt with the nut and washers near the top. 5l, 4. No power to the A/C clutch. Then, attach the black wire to the negative side of the battery. Mar 26, 2008 · I'm a new kid on the block, and trying to get a factory AC system up on its feet for a 1966 Mustang I have everything re-installed, but after only a week of having it put back together, the new brush set was TOTALLY worn away by the clutch. There are a couple of ways you can fix Cons. after trying everything else i ran The air conditioning clutch relay transfers power, like a switch, from the interior A/C controls of an automobile to the A/C compressor, engaging the compressor clutch. Make sure the PK/LB and R/Y wires have power in and out of the Update: Checked the connector going to the compressor clutch with DMM and there wasn't any power going to the clutch. I've checked all the relays, fuses, and connections with the A/C system. The system rest & run pressures are correct & the condenser/radiator cooling fan comes on correctly. That may be related. If there's no voltage, there may not be sufficient refrigerant in the system to  24 Jan 2019 But on the Fusion, if the A/C compressor is not turning on, you will need to change the De-power the supplemental restraint system (SRS). I looked under the hood and compressor clutch doesn't engage there is no voltage in the clutch power supply wire, all the fuses and A/C relay are OK I don't know how much gas is in the system but isn't empty and there is some pressure on the control valve. Under the hood the compressor belt is going but the compressor is not Ac compressor clutch not getting power Hi all, I have a 2005 F-150 with the 5. Also tried to jump the high pressure switch but the compressor did not kick on, although I'm not 100% sure I jumped it correctly. i put it on and hooked up the wire. But then fell right back down to a minute later. The AC compressor clutch often has a plug with 2 pins. With car running, A/C on, and connector attached to relay, I am getting 12v from 2 of the wires from the pigtail clip, leading me to believe that the relay is receiving power, and activating to send power along to the compressor clutch. The clutch disc is splined to the compressor shaft. You can hear the engine bog slightly when the button is pressed so /SOMETHING/ is happening, but the compressor never budges. Changing the compressor clutch could be the only solution in this case. Allante. after running ac and blowing cold i noticed my temp rising and voltage dropping on and off. Checking for voltage on other side of connector and it's zero. I dig up some wiring diagrams and start through it. once the pressure switch is closed, it will turn on the ac compressor. I purchased the alldatadiy. If the AC compressor clutch engages when you tap it, try disassembling the compressor clutch and removing all fitted washers, which can extend its life by several thousand miles. Aug 16, 2008 · The compressor is not getting any power when you turn on the AC at the dash. If I apply 12 vdc to the clutch it pulls in and cools. After I did some troubleshooting the determination is fuse 30 (A/C clutch power10 A) in the power distribution box is good. Ok, just stopped by auto parts store to ask if #1 could you get a good pressure check without the compressor running, the answer was no. Jul 26, 2011 · If your Air Conditioning compressor isn't working (the clutch won't engage) then watch this video. It was not. Fans come on if jumped from pressure switch (and when they are supposed to-when I turn on the AC); fuses on battery look as good as new; current simply "lopes" on and off; on and off; on and off. #2, checked the A/C relay, swapped them with the horn relay, both are good. Pulley:6pk. The Car acts as such when the AC is on (RPM’s rise, all fans turn on) The computer is showing command to the AC Clutch (as shown by AC Switch, and AC Clutch being on using a Honda Scantool) but not 1996 ford escort no power to ac compressor? If the belt's good, check the compressor clutch. In the beginning, the compressor ran continuously when A/C called for and the evaporator pressure, and therefor temp was controlled by valves or regulators (POA, STV, EPR) then they cycled the clutch to control evaporator temp ( harder on clutches, but cheaper to make) then we got the variable displacement compressors, and next I suspect we Oct 11, 2011 · I got all the numbers off of the A/C compressor and no local parts place could find it listed anywhere. I looked at the plug on he compressor and it is a three wire plug. the pressure tranducer is using a 5 volt supply, a signal and a ground, this is no go. I had evacuated/recharged the system just a week before, so I was really looking for a catastrophic failure of a hose or compressor. Already changed fuse and air conditioning compressor clutch assembly but no power going to cause the compressor to kick on to pull back the clutch so that compressor kicks on what could be the cause? 2001 Pontiac Montana 3. The a/c compressor clutch coil inside your car is an electromagnet that attracts both the fan belt and air conditioning rotors. Putting the can in hot water bath will aid flow. W210 (E430) No power to AC Compressor Clutch Next, I ran a hot wire from the battery, directly to the clutch, just to verify that the clutch is really dead. This frees up power and increases fuel economy when the A/C is not being used. The load side of fuse 30 should have a internal (in the power distribution box) jumper to pin 3 (switch leg) on relay # 23 (fan clutch Jun 26, 2011 · Still no power to the plug at the compressor clutch. Any other suggestions? I Dec 25, 2012 · There is no fuse or relay for the compressor clutch. Jun 26, 2016 · 2004 lesabre There is no voltage on the wire cable going to the ac compressor. Turned on the A/C and noticed it wasn't blowing cold. Last night the A/C was working fine, this morning would not engage the compressor clutch, the 10amp fuse is ok but replace it anyway with no luck. Then when BATT ON there is 12V+ to 2 connections. The clutch was not engaging intermittently. Align your puller tool over the compressor clutch, insert the M5 screws a few threads onto the clutch, then use the puller tool to prevent the clutch from spinning freely as you loosen and remove the center 10mm bolt. 4) Compressor WORKS if I hook it up to EXTERNAL power source. No way can you find a junk yard compressor with coil and clutch for about $25 in my area Using car-part as a guide, they want over $100 for one in the New England region Car-part lets you search the junkyards for a part, ebay is also an option. The fuse is not blown, the blower motor works fine. My ultimate goal is to find out why my compressor isn't getting 12 volts Compressor clutch does work, resistance is perfect. I have a 06 2. Mar 07, 2015 · The clutch setup on these compressors is not overly apparent whether the clutch is turning or not. The clutch has a coil that energizes with 12v and engages a clutch just like a relay engages. Or less similar; a lot of details could turn out to be different; the turn-the-pressure-plate test could even be one of Aug 29, 2019 · Connect your AC compressor clutch to a 12-volt battery to see if it engages. Sounds like you have a few issues and the first would be to get power to the compressor. 975 c tecumseh hr 980 clutch end plate remover. Hi people. My fiance’s 2008 Saturn Astra no longer has AC. take a paper clip or something to stick in the plug at both terminals. If so then you either have a bad ground or bad compressor clutch. This voltage signal tells the PCM that A/C compressor operation is requested. Its compression capacity is controlled by a PWM (pulse-wave modulated) signal from the ECU. I installed a new compressor and accumulator along with a new high pressure switch. If your clutch is engaged and the system has enoug refrigerant, but the piping isn't getting cold and no cold air, then you may have a bum compressor that is not compressing the refrigerant enough, or a leak on the high pressure side that's not allowing it to pressurize. With 3. While performing the checks, do not leave the relay bypassed But then fell right back down to a minute later. I jumped the compresssor relay port in every way imaginable with the BATT ON and there was no sign of movement or clutch engagement at the compressor. I'm going to be checking that here shortly, but is there anything else I can check? Truck is a 2002 2500HD LB7 May 24, 2017 · If you push the AC button, the light goes on but the clutch does not engage. If you have power leaving the LPCS but the clutch doesnt engage, your WOT relay might have an issue. It is important to understand how to check if the A/C compressor is engaging or not. Check the black wire for ground. All the fuse voltages are fine. # OE: CC-ROG0813 Other Number : CC-MUR914 Applicable compressor OEM: 92600-JM01C 92600JM01C 926002216R Fitment: Nissan Murano 2009-2014 Nissan Rogue 2008-2013 Package Included: A/C Compressor Clutch COIL. #2 will the system take coolant without the compressor running the answer was no. J. No problem with seller shipped on time as promised. 6 cylinder. Hi, 1999 NB No power to the Air Con Compressor . If you have it but no power leaving the switch, then jumpering can tell you what's up. But before that spray 15mm with some PB blaster. Mount the magnetic field to the compressor faceplate, position the rotor/armature assembly, fasten the retaining capscrew, and connect two wires - the clutch is installed. you're just checking to see if it works or something) you may just be below the low temperature cut-off (to prevent damage, the PCM will not turn it on below a certain ambient temperature, based on input from the intake air temperature sensor). If, at that time, you had power to the clutch and it was not engaged, replace the compressor. No signs of dye anywhere as i was thinking I had a leak. Purchase the Twin Power Clutch Spring Compressor at J&P Cycles, your source for aftermarket motorcycle parts and accessories, with free everyday tech support. the clutch won't kick in. 0L, Eng Cfg L4, Eng Des AVH it's not as simple as that. I recently removed the entirety of my A/C system to replace o rings and convert. Joined Sep 28, 2017 · 8 Posts . If 12V present, check system static pressure when cold. Roy Aug 19, 2011 · If you have no power (12v) to the power wire at the A/C compressor clutch and have jumpered all of the switches then you need to check for power coming out of the A/C switch on the dash. While the A/C compressor on your Mercedes-Benz is an important part of the system, the A/C compressor clutch is even more important. Compressor Clutch Power Relay, Story #2. My theory is that the DME does not signal back "OK" at 2) so the IHKA won't energize the compressor clutch. B1422/22. I've replaced the relay and same thing. The fuse box is actually named the Totally Integrated Power Module (TIPM). if there is no power from the wire, it is either a wiring issue from the bulkhead module or the module itself that is bad. You checked the compressor clutch fuse, right? Highly unlikely the ECM died for the a/c only. I do have a guage that shows red "trouble" when connected to low side. Everything was OK as well. A trip to Carson Nissan, and $ 1,150. car is drive 3k/year. I had to add a relay on my mowing tractor as once everything got good and warm the clutch wasn’t even getting 12volts. The ground path for the A C clutch circuit is provided at the multispeed blower switch in the HVAC instrument panel control. After doing a voltage drop on the ground side of the circuit, I know that our issues are with the power side. Check for power at the connector on the compressor clutch. I have a 1996 S15 Jimmy. Manual climate control. My friend connected it to Use big channel locks to hold clutch in place. g. The clutch can seize, which permanently keeps the compressor activated; or it can break, which means the compressor will not be able to receive engine power. The best part is, our Dodge Caravan A/C Compressor w/Clutch products start from as little as $179. you don't need the engine running,. The reasons would be due to bad clutch oil, poor ground, low-pressure lockout, a blown fuse or open wire in the oil. Get free shipping, 4% cashback and 10% off select brands with a Gold Club membership when you get a Twin Power Clutch Spring Compressor (part number 210080) from J&P Cycles. Another thing to check if the fuse is good, is the clutch cycle switch, its only about $16-$20 to try before you spend megabucks at a a/c repair shop and its no harder than a spark plug to change. I have check for power to all ac switches 'relays low and high cut out switch and all work up till you get to the ac control module . ( CAUTION -  a/c compressor will not engage, freon is good, put a new cycle switch on and just found problem the low pressure switch showed no power but stuck a paper TO ENGAGE THE COMPRESSOR CLUTCH ON A 2005 LINCOLN TOWNCAR? 20 May 2020 car shuts off, you no longer have power steering nor is your brake booster functioning. 3 Liter With & Without Rear A/C Make sure your compressor is the Original (OEM) Denso compressor. Jul 05, 2011 · A compressor is an electric motor. What should be my next diagnostic steps, jump relay, check power at the compressor plug? The AC compressor relay is responsible for supplying power to the AC compressor and clutch. So basically fault code P1536 is what we knew already - no power to the AC clutch. Found out that there is no voltage/power on the compressor clutch relay socket. In this 2001 New Beetle, we were able to rock the fuse a little and get the compressor and fans to engage. Still no Air! On our '97 Park Ave I have no power at the connector to the compressor. It is possible that either clutch is open (failed coil), failed thermal fuse on compressor, or excessive clutch gap preventing clutch from closing. Show Full Signature I have NO POWER to the plug that goes to the compressor clutch. Mercedes-Benz Sedan Forums. Thank you. if there's power. Also if the clutch on the AC compressor has failed, or if the compressor itself failed. Not hard to figure out what I'm talking about if you look at pics of a compressor online. Still no automatic operation from Climate controls in car. AC not working-clutch not engaging. It worked so great ice cold feel like when you are outside in the winter. Marquis had a compressor clutch that wouldn't engage. The A/C light on the dash is ON and the blower is fine. Light turns on when AC button is pressed. Check the air conditioning compressor clutch wiring for a voltage with the a/c switch on high and fan on high. About 20 psi I think. A/C was not working, I determined that the compressor was bad. 1 and No. Funny part it that is will work for a few seconds then does not until the next restart of the car. Bypassed the low pressure switch with no change. Takes about 15 minutes and I have solved several clutch intermittent operations. The AC compressor has its own clutch which is connected to the engine by a pulley. The fan has got nothing to do with whether it is turning on or not, unless the fuse labeled PRI FAN, which is 10 amp, is blown, this provides power to the relay that will latch the compressor clutch. So I don't see how the relay can be at fault. If the clutch is bad on the compressor just change the entire compressor and clutch as a unit. The relay is good but I also jumped it to make sure that The automotive compressor is wired to a car's electrical system through the wiring harness, connected primarily by an electric clutch. No change in center vent temps, so no joy. does If the cycling switch (on top the accumulator back on the firewall) has enough freon to close and send power on and you don't have power at the clutch, then it is the WOT relay that is bad. Check to see if if it is melted or if there is power on one of the three wires with the AC on. It is controlled using a clutch system where its shaft is  There is no power to the A/C compressor clutch and it does not engage. It will NOT fit after-market units. swapped 30a relays under the hood, no change. 7SEU17c compressor is an Externally-Controlled Variable Displacement Compressor and, most probably, has no clutch. I just bought my car from a private party. One is for ground and one for the 12-volt power cable. I have jumped the low pressure switch and the a/c relay kicks on. 6V which matched the voltage going to my compressor clutch. Last edited by 16valex; 11-26-2010 at 08:27 PM . when i switch it on in the truck the engine idles up like its supposed to but the clutch don't kick in. All fuses and switch on the inside control. #3, jumpered the low pressure switch with a paper clip, nothing. 99. So Questions are: 1. I think i pinpointed the issue but I’m wondering if its fixable or might have to replace the harness. Notes: New with clutch, DENSO is the OE supplier for this vehicle; OE-specified O-rings and oil included. When I check the voltage on both relays, I get voltage on everything but the bottom right. New Air Conditioning Compressor Clutch For Mazda DISI 2. I paid to have freon checked (full), and there is power signal to the clutch. Note: To know if the compressor is on ACC or IGN, just put the AC all the way up then start the car up normally. I was told the ac had been "disconnected" by the tow company she bought it from. Connect the No. Not so much the electrical system but the compressor clutch, both the actuating coils and the clutch itself (friction discs). We recommend pulling each fuse to make a visual inspection. The AC compressor has a thermal limiter (fuse) at the compressor that burns out if low on freon, little square black box with three wires under the compressor. a/c system does not work. This clutch has a power lead that can also serve to power a throttle solenoid, raising the engine idle on older vehicles to compensate for the added drain of the compressor. see if the compressor kicks on. Axial. You might want to recheck that fuse, then test for voltages at the magnet clutch relay contacts with and without the AC/blower motor on. I was hoping it would show why there is no power to the AC clutch. But the ONLY problem with her is no A/C :crying: My A/C compressor belt had been pulled almost a year ago and the clutch has completely seized. Discussion Starter • #1 Sep 18, 2013 · The clutch pulled in, and compressor started. The power feed for the A C clutch originates at the ignition switch and through fuse #2. I tested the AC compressor by running jumper cables from the alternator and clutch engages and ac works. So, bought a DIY R134a kit with a pressure gauge and hooked The clutch disc is splined to the compressor shaft. If there is no or less than battery voltage then somewhere between the compressor connector and the binary switch (top of the dryer) there is an issue with that circuit. UV leak detector appears to have dye behind the clutch; The electrical contacts on the clutch appear corroded/ burnt. Pressure was 60psi on the upper and lower ports. What is the procedure for it being The relay that kicks in the compressor/clutch is fine. DTC Detection Condition. v but still it wouldnt engage, i also did a countinuity test of the circuit it's complete which The power to the magnet clutch goes through the ECU-IG fuse (driver kick panel, leftmost fuse of 5 in the middle row of fuses) then to the magnet clutch relay. i just bought another a/c compressor. 68000 miles. 1 terminal of the A/C compressor clutch relay 4P socket and body ground. No 12v going to AC compressor to activate the clutch( checked with mulit meter while running and AC switch set to max). 25 Jul 2015 This is a video that is geared towards people with an AC compressor clutch that doesn't work. After opening/removing the lid, and while standing in front of the car facing the rear, the A/C compressor clutch relay will be seen at the left rear corner of the IPM, second relay to the right from the corner. Very interesting. I can jump the compressor both directly to the + or at the relay and it works. fuses look good. These windings can be checked for shorts, grounds, or opens. Jump to Latest Follow 1 - 6 of 6 Posts. Also tried running 12v direct to socket on compressor and it would not engage. The compressor, when the AC is off, freewheels. Disconnect the power wire to the clutch and apply 12 volts to the clutch field winding terminal. There are 3 things that you should check, in a  22 Apr 2016 How to Fix your Car's AC System - Compressor Coil, Clutch Relay, Low and Due to factors beyond the control of Ratchetsand Wrenches, no  1 Jun 2019 If your A/C compressor clutch won't engage because the refrigerant is too low, then you can jump the Because you do not want to damage the compressor by turning it on too long without Refrigerant. Or it could be something else, like a wiring problem, a bad body control module, PCM, A/C pressure transducer, control unit, relay . 0L. 5 vtec v6 motor and the ac compressor wont work. If the care is high milage (110,000+), I usually recommend a whole compressor because I hate doing a clutch and the compressor go out shortly after. If it is lit but the compressor clutch is not spinning, try juming the two points on the relay socket closest to the headlight. All fuses are good. I figured the clutch was bad, and took it to a shop to have it replaced (I'm getting lazy!) Jun 20, 2019 · What is an AC Compressor Clutch? An air conditioning compressor clutch gets its power from the flywheel of your car’s engine. It took a week to get it into the GMC dealership on Friday, June 5th. Tests/Procedures: Aug 27, 2010 · (3) The relay normally open terminal cavity (87) is connected to the compressor clutch coil. Mine cost under $20 to make, and works like a charm. The compressor kit provides the components needed to complete the job right. Customer Concern: The A/C is not working. If OK, go to Step 4. #4 un-plugged the connector wire (single black wire) going to the May 30, 2009 · Hello I have a similar problem I have a 1994 Ford Ranger XLT 4cly. May 11, 2020 · After letting the car sit for awhile the A/C stopped working. When you push the power switch power gose to the module but no power comes out on the wire that goes to the relay that powers the compressor I replaced the control module and still no power . If no click, check for power at the green wire at the compressor. Service & Maintenance. Pulley dia:100mm. I checked and the pump clutch is not engaging at all she said the A/C was making  6 Jan 2016 Another sign of a problematic compressor is the clutch not moving. The A/C compressor clutch does not engage. PWM signal continuously varies between zero and 12 volts. Hey all MZ3 lovers! One quick question. I've read that it has a built-in safety switch that does not allow the compressor to run if it is low on refrigerant. There is no real way to measure the level of refrigerant in the car using pressures. More power to you! 26 Mar 2015 No A/C? Compressor clutch not coming on? Motor Age recommends safe practices when working with power tools, automotive lifts, lifting  26 Nov 2018 Engaging the AC compressor clutch at home is not rocket science. So short of taking 12V+ directly to the compressor, the clutch does not seem to engage when current is applied. Then your initial diagnosis confirms that the compressor clutch no longer engages. Today suddenly the A/C stoped blowing cold air. Compressor lock sensor circuit (Open or short) • A/C lock sensor (w/ magnet clutch compressor assembly) • Compressor drive belt • Harness and connector between A/C amplifier and ECM • Harness and connector between A/C lock sensor (w/ magnet clutch compressor assembly) and A/C May 05, 2015 · The AC Compressor is not getting power. for Mazda DISI Clutch Jul 24, 2019 · When it starts to slip check the voltage to the clutch. Aug 23, 2018 · My compressor actually never spins, I cant turn it (clutch) by hand no matter how hard I try. After hours of reviewing threads on this site. As the clutch disc pulls in towards the pulley, the pulley provides the rotating power to operate the compressor. The compressor ground circuit also has a resistance of 11Ohms, manual specifies <5 as acceptable. No a/c compressor clutch engagement,no power at the a/c compressor wire. 4. My first instinct was to check the freon so I picked up a kit to recharge the system. 9l. Without Variable Cylinder Management Without Variable Cylinder Management Denso A/C Compressor 471-1637 If he is jumpering the low pressure side switch, it will kick on even with no freon/empty. One is s car with spanner in and the other a rad with star in. Went to try the A/C no power to compressor. And the compressor was not getting any power supply to it. no power to compressor clutch

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