By pass AC pressure Switch on Honda Accord or Acura TSX 2003 to 2007 and up, AC pressure switch test
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- Опубликовано: 19 авг 2024
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If the system gets to low it wont come on. So if you try and charge the system it will not pull the freon in. Jump this then charge. as soon as it takes some freon you should be able to remove the jumper and be fine. This is a safety switch to keep from burning up the compressor.
not to be a downer but its best to jump or bypass with protection, recommended fuse size would be 7.5A to ensure you do not burn anything up...cheers
There is no load on this wire. It's ground signal.
Hey thank you for showing me this. I have 2007 honda accord. For some reason my stopped working . It was blowing just hot air. I showed to the mechanic and they said i have to replace compressor. I worked by myself to replace the compressor. Now i see that the compressor wasnt working. I mean the clucth was not spinning. I try your jump start the pressure switch and it worked. But at that point I thought its just the pressure switch is bad and i replaced the pressure switch today but i see the clutch is not spinning at all
Did u swap relay and check fuse?
Swapped the relay and checked the fuse . Still the compressor is not engaging . It only turn on when i jump start like you did
My AC system is empty at the moment . Since I just put the new compressor and condenser with new pressure switch. Does that make a difference
Bro I wish you were close to where I live, I would trust my car with you anytime!
Thank bro I’m north nj Bayonne but I can always guide u with small repairs and check ups
@@RBTheMechanic yeah thanks, im just starting the diagnosis process. Ill be checking the relays tomorrow since I could buy 3 for $12 but after that the low and high pressure switches. Unfortunately the cabin air filter was completely clogged up so I hope that didn't strain the compressor to the point to where it wore out. The compressor itself looks as though it has dirty oil on it. Im wondering if high pressure could've cause the compressor o-ring to fail.
Hey I have a TSX 04 my ac line stays cold I was told I might have a clogged expansion valve due to no Freon making it into the system I also just installed a brand new ac compressor all my fuses are good I was thinking it could be that switch because my ac compressor turns on for a few and then just goes away but it old blows warm air and ac line is warm
Well it could also be in properly charged ac system
My friend thank you so your videos are awesome. You explain things the right way. I have a question I have to power to the ac compressor will the switch have anything to do with it.
Well by passing these wires if u have 2 pin connector will send false siginal that it has pressure in the system and if all is good it will come on
I have a 2003 accord ex coupe 2.4 and my 2 radiator fans turn on and off all the time even though the ac is off. It does it when its cold or hot. I've replaced EVERYTHING underhood except the ac pressure switch. New hoses, condensor, and compressor. Then took it to honda to charge the system. Any clues to what it could be? Thanks dude! Love ALL your videos specially the steering rack one! It truly helped me!
P.S. changed the relays too!
It could be bad thermostat and ur engine is getting hot more than normal or the temp sensor in radiator is giving mixed siginals u can check with hooking up scan tool and see the out put of the sensor and temperature from the ETC
Thanks man for the fast reply. I just put a new OEM thermostat in her before I had honda recharge my ac system. Its weird cause Its winter and I start car and 5 minutes later both fans kick on along with the ac compressor without the ac on. Then 15 seconds later it all engages again ( both fans and ac compressor and it just keeps repeating. I'm considered to be a 35 year vettan in the shade tree mechanic department and done it all on so many makes and model vehickles and tgis one has me stumped! I'll go get a new radiator temp sensor from honda tomorrow. Should I replace the ac pressure switch too? Oh.... thanks for the water pump vid! 😬 I learned a new trick from you putting paper in the socket to hold the bolt! 😜😉 🤘🏻
@@sparkysparkster6903 before u out in the sensor why don’t u have it check with scan tool it can give u read on the sensors. U can even try disconnecting then to see if it makes diffrence but it will give u check engine once u disconnect and turn the car on
Ok. Thanks again 👍🏻😉
My 2012 v6 accord compressor comes on and off in 5 seconds. 5 seconds on, 5 seconds off🤦🏻♂️
U need to check refrigeration. Pressure it might be low
Hello
My current situation is - low side can’t take Freon psi is to high 160-170 psi , I notice the compressor not engage when I turn on ac , checked all the fuses and relays and they are good , fans turn on ,,,any help please thanks
How ru trying to put Freon if ur using cans NO good u have to use ac machine empty the system ur just jamming the system up it will blow something if u haven’t already
@@RBTheMechanic usually I put Freon and the pressure is around 20-40 this time I tried it and it was 160psi and didn’t take any Freon and noticed my compressor stopped engaging , why would I have a night low pressure side ? Can a bad pressure switch cause this ? Haven’t tried to bypass , thanks
@@chevyss18did you ever get your AC working again? I’m in the same situation.
@@chevyss18I have a red wire hanging out of my connector so that might be my issue. (Buddy of mine may have snagged it while changing out my alternator the other day) I’m wondering if my low side pressure is high bc the switch isn’t working?
@@DarrenWorldW1de my compressor was not working
so since i changed the new compressor , condenser and pressure switch and already check the fuse . The only left i need to do it , jump start the compressor to recharge the AC in system. Is that going to be a good move ? Because at this point i m not seeing my compressor is engaging . So i need to jumpstart the compressor to recharge the system and create the pressure in the system and see if it engage or not?
Nope I would do ac service with machine
The switch on a 2017 honda accotds is on the condenser. Is there a way yo tesr without removing? I jusy changed my cimpressir and loaded wiyh r134 , i dont havd a recovery tank . Last time i got luckt because thr r134a came our on its own i dinr wanr thar to accidentally happen again
What’s the issue and what u trying to do?
I have a 2006 jeep liberty. My low pressure switch cant be jumped. I replaced it with a new one but it still wont jump with a paper clip. My ac compressor is able to be jumped through the ac clutch relay but not through the low pressure switch. I haven’t replaced my orfice tube or my reciever drier. The compressor is new and it the ac system hold a vacuum but it wont take refrigeration. What could cause the low pressure switch to not be jumped?
Not sure is it 2 or 3 prom sensor
It’s a 2 prom sensor.
Do you know where the pressure switches are on a Honda CRV , 2002 ?
TY
Front by bumper u might see it through prolly or side of condenser
My system is empty since I change the compressor and condenser. Will the AC compressor engage being an empty system?
Nope it works and activates with pressure in system
@@RBTheMechanic so since i changed the new compressor , condenser and pressure switch and already check the fuse . The only left i need to do it , jump start the compressor to recharge the AC in system. Is that going to be a good move ? Because at this point i m not seeing my compressor is engaging . So i need to jumpstart the compressor to recharge the system and see if it engage
@@RBTheMechanic dont the compressor have to be engaged to recharge the R134 in the system?
@@mukeshkalel7380 not if u do it with ac machine
I just noticed my ac compressor was engaged but I changed the relay and the ac compressor is always on .
I hope this is my issue I have a 06 TSX just put a brand new compressor in and changed the relay , the compressor clutch still won’t engage. Praying it’s the pressure switch
Yup check ur relay or swap it before anything
Are you located in nyc ?
@@Cozygraham no north nj
I have a 2012 honda accord with three pins
That u can’t mess with
How to you jump a 2003 Honda Oydessey it has 4 prong or 4 pin
I wouldn’t mess with that one did u check relay swap test fuse and ac pressure?
Yeah bro I replaced all the fuses and replaced the blower motor under the glove box so that fixed the one of the problems it only blew air on max. But I’m still not getting cold Air I’m going to just replace the Ac switch going to buy the socket that was going to be my next question but one of ur videos explains what I need to remove it appreciate ur videos 👍🏼
@@peloneretana5924 if ur getting cold air that means ac systym is working
Hey brother. I have a 2006 acura tl and my pressure switch has 4 prongs. How do i jump it to get the compressor to turn on? Yours only have 2, mines have 4.
Oh ok I will check that tomorrow remind me noonish
No answer on the 4 prong . Cause my 03 Accord ex has 4 pin as well.
@@jasons783 I did another video on 2-3-4 pron ruclips.net/video/h8FqM9ssfvg/видео.html
@@RBTheMechanicthank you I'll check it out. Thanks for quick reply as well.
How do I replace the switch if it’s bad?
Recover the Freon and then do it the replacement
I have an 09 Honda Accord with a compressor clutch that won't disengage. Would the pressure switch be in the same place and do I need to flush refrigerant to replace it?
I have not replace one of these ever but it would be same as disconnecting it. So try disconnect it see if it cuts off other wise if u need to replace it best would be to flush out the system so there’s no pressure try tapping on ur relay for ac compressor that could also be faulty locked up
@@RBTheMechanic Yep, relay was faulty. I did tap to see it would engage and then it would stop and not re-engage unless I tapped the relay again. I replaced the relay with a new one. So now the clutch isn't disengaging every few seconds and restarting like it should. I watched it for a whole minute and it just kept running.
@@nobodib9116 okkk so in that case u resolved one issue another issue could be fault amount of pressure it may need servicing if u think this did work then next step could be reserviced the system using ac machine
@@RBTheMechanic thanks for the info and advice.
Did you ever find out why your AC compressor wasn't coming on? Please let me know. My 09 accord AC won't come on.
Does the same situation apply to the 2007+ crv compressors. Its a three pin switch on the connector side. Hard to get at
Nope u can’t jump those
Can you jump it on the high side at the air dryer.???
Not sure this is only for testing 2-3 seconds but I’m not sure on high side
I have problem my ac Compressor-is working and I get Freon I am still getting hot air
If ur ac compressor is kicking on the discharge line should be cold under the hood touch it it’s the fat one if it’s cold then ur ac is working might be blend door motor issue
@@RBTheMechanic blend door motor was a problem after all thank you for responding liked and subscribed
How do i do the wire jump with a 3 pin pressure switch
First I would check the pressure done mess with it if there’s no pressure then sensor will not work regardless
@@RBTheMechanic no pressure at all
@@moe1278 well recharge with uv dye and find the leak
@@RBTheMechanic how can i charge it if the ac clutch isn’t engaging. I tried it from the relay and it engaged but how do i know whats my problem exactly
So is that clutch already engaging? And switch is not kicking compressor?
I had ac diagnostic. Compressor failure.
Ac pro gauge pinged high at homr
Evac recovery recharge pressure test indicated bad compressor at shop
Just got this car.
Not wanting to redo ac system lol
It is what it is....tho
No with bad switch it will not engage the clutch
Do you have a video of a filter driver install for a 2005 Acura TSX. It came with the compressor kit and it looks like a odder pop. I can’t seem to find any install instructions. Thx
Sorry I don’t have video on that
@@RBTheMechanic sorry that’s “filter dryer”it’s a long tube of what seems to be like Silica looks like it’s used to absorb moisture. There are videos for other makes and models that show it goes near the radiator where low and high lines meet. But I don’t see that when it comes to Acura. It may just be a part that comes with the kit since the kit seems to be universal. Any way thanks for the correspondents.
@@orlandokings4844 yeah sorry I don’t have that video
I have a 2010 and can't get it to jump. Its a v6 and the switch is in a similar position, I can't seem to find another "low side" switch. And bcuz i can't jump the compressor the system won't charge. It won't even take half a tank of freon
Half tank? Ru using cans?
@@RBTheMechanic yeah thats what I meant, I have the gauges for the AC and the psi on the low side goes up quick while the psi on the high side remains around 100-150 psi and won't go past that
@@danielcastro8012 how high it goes
@@RBTheMechanic depends how long I have the valve open on the can of freon, but goes way past 50psi, when it first stopped working and it still had charge, it was at 180psi on low side and like 100psi on high side
@@danielcastro8012 u might want to do reservice it could be too much also oil matters try using ac machine recover vaccum and recharge oil and gas Forrest Amount
I need to change my pressure switch..do i need to drain the ac system before doing it???
I think that would be good idea. What year u have so I can check
@@RBTheMechanic i have euro accord cl9 type s 2006.
@@darioborovcak341 ok and what issue ur having
@@RBTheMechanic my ac dont work. I checked the ac switch like you did with the wire and ac comes ON and works. So i need to change pressure switch. But i dont know do i need to drain the ac system before changing the switch. I know that on some hondas you dont need to do it
@@darioborovcak341 yes u need to recover the Freon first
Hello may i ask if this is Safe even you took Long Driving??Thank you
This is for test only u do t want to jump and leave it that will run all time and build too high pressure
04 honda accord 2.4 ex just jumped it at the pressure switch but ac clutch still didn't engage
So did u sway the relay? Check fuse and pressure and use test light to see if compressor get power with ac on
@@RBTheMechanic yes swapped relays and still no engaging of the ac clutch might be a bad compressor because regardless of having low freon shouldn't the clutch kick on when jumped
@@RBTheMechanic and thank you for responding back 🙏
@@ifarted2656 u can check power when u jump it if it got power to ac compress and it don’t engage that will confirm it bad clutch
@@RBTheMechanic thank you very much for your help hate doing ac work but gotta get it done thanks again 👍 😀
Hi there. love your videos. I have a 2004 Honda Accord 3.0 I bypassed the pressure switch but the compressor will not engage. Any thoughts?
Do u have pressure in the system? Change out the relay to start
@@RBTheMechanic I changed out the relay and the system has pressure
I put a new clutch for the compressor, added freon, I swapped the relay and I've tried to bypass the pressure switch and nothing.
@@hookinsnook ok so put the ac on anc check power in to one red wire going to ac compressor
@@RBTheMechanic I have the 3.0 engine so that wire is blue and red.
Hi, I have a problem with my car as well but it’s for a benz c320 2001. My issues is the compressor spins and there is ac in the system but it’s very low. Every time I charged it works great for a while, however, overtime it will decrease and it never seems to blow as strong when you first bought the car. Could it be a bad compressor or a ac pressor sensor?
Did u check for leaks if u keep recharging it’s leaking u need to add dye and trace down the leak
No, I haven’t. I guess I might take it to local shop to check it out and hope it’s not the part itself. But I do have another question, my radiator fan is constantly on but when I plug in my obd it’s unable to communicate with it. So is It possibly ac refrigerant pressor sensor is causing it to not communicate with the system?
@@EndlessXConcertgoers88 communicate with fan??? Pressure switch have codes in HVAC moduel
@@RBTheMechanic Can a ac refrigerant pressure switch cause issues to the ecu to malfunction if that part goes bad?
@@EndlessXConcertgoers88 I doubt it never had that type of issue come in to my shop usully they just fail and ac will not work
Will this work with acura rl 2006
If it got 2 pron connector
Will this work with 2008 civic??
If it got 2 wires yes but I think 2007 has 3 prom take a look
My freon is full and i see that compressor start spinning when i turn AC on. But the pressure is low. Do you think the reason is this pressure switch or some problem inside compressor?
What pressure reading ur getting? Compressor clutch engages? It might be low on Freon
@@RBTheMechanic Freon is filled. The pessure is low. I see front part of comressor is spinning. Is this meaning that it "engage"?
@@georginikolov2337 idk make a video let’s take a look post it
Freon is full and pressure low?? That dosent make sense I hope ur not checking coolant level
Mine does same thing... Freon full and compressor is spinning and fan does turn on but there is no cold air...
@@hacatan24 dose the compresson clutch click and engage?
And what u just leave it like that ?
Noo it’s a test if systym come on it could be bad switch or pressure issues
@@RBTheMechanic thanks for getting back to me so what next how do you repair Ik mine is bad
My AC system wont turn on at all. Just the climate control comes on and no air blows out at all
Start with check pressure first see if there’s any pressure system only activated if it got pressure
@@RBTheMechanic Has pressure, even switched the relays and tried to jump the switch still nothing
This may be a stupid question but does the car need to be on to do this?