This worked on my sons 2007 Accord after it my honest mechanic diagnosed the faulty relay on my other sons 2006 civic about a year ago ($30 diagnosis and repair)! Took the relay to auto zone and the tech said this was the most common problem he sees on many of the 2000s era honda A/Cs. Thanks for this posting!
Same here, 03 and the AC was working fine and I was sitting in my car at work and it almost immediately started blowing warm. Did you figure out what was wrong with yours?
@@donniev8181 Hi. Thanks for the response. I had just bought it used and was blowing hot air. I turned the A/C on and the compressor was not engaged. I got a $9.00 relay from AutoZone, turned on the A/C, and the compressor was turning, but still hot air. I got some eazy freeze freon and it was in green, empty, so filled to the blue as instructed. Unfortunately, it still blows hot air. Either I did something wrong or there is another problem. Appreciate you reaching out. Been in the 100s here so its not been great driving when I need to.
THANK YOU SIR for this helpful information. I fixed my AC problem in less than 30 minutes. All those mechanic scams will be out of business soon because of your good heart advise.
I’m having a problems on my 03 Honda with the ac compressor not coming on, i will be trying this next! I hope it is just my relay as well! I’m glad this fix worked for you.
Big time helpful, I was sitting at work and my air stopped blowing cold almost immediately. These tips will help me track down the problem. Quick question, was the clip for the compressor power cable mounted? I think mine has a clip in place right beside the fan??
Good mechanical diagnostic skills man. My girlfriend has 2004 Honda Accord and I'm praying the cabin filter is the reason hers doesn't work. Freon is charged and radiator coolant is topped out and fresh. Do you have any suggestions? Thanks in advance. Five star video. Subbed
NICE info....power to the compressor is good, but that doesn't mean BAD compressor. Honda clutches can go @ 80 k... way easier fix than pulling compressor as just grinding it down a very small amount can reengage clutch... Power to it test was nice to see... 134a & relay & compressor said shop for $1100
Great video QUESTION- where on the compressor was that wire found? I see the wire but is the plug up on top of compressor? Also, can you do a video on measuring the one pin plug connected to compressor, or in a quick response. Thank you for explaining this seeming easy diagnosis. subscribed!!
I see you're not answering people's comments but what the heck, maybe someone else can help. At 2:55 you mentioned the 7.5A fuse provides constant power to the relay. I checked Voltage to that fuse's socket with a multimeter and no voltage. The fuse is not blown. It's not getting power, what is my next step?
Excellent video. I just checked my fuses and they all appear to be fine, my compressor turns on well, the condenser is great and the system is fully charged, but it will not blow any cold air whatsoever. The cabin filter is clean and the intake filter is clean. About 5 years the entire system was replaced and all of a sudden it just stopped blowing cold air and I am clueless. Have you ever heard of this issue? After watching your video I was thinking maybe it was the relay, but if it was that then no circuit would be sending for the compressor to turn on.
@@felixvargas4112 Hi Felix, I checked everything and it turned out that the pressure was low on my ac compressor and that’s why the clutch would not engage. The pulley turns on the ac compressor regardless as is the long serpentine belt, but once I added more Freon then the clutch still engaged and started to spin. Still my ac is not cold, so honestly what I think it might be now is there is enough pressure, just not enough Freon and I have no way to tell how much. I’m going to have my system emptied out, and plays will do that for about $40. Then I’ll just use an ac vacuum, make sure there is no pressure in the system and then put in brand new r134 according to Honda. Hopefully that fixes it. Previously freon was probably just added, but wasn’t vacuumed to remove possibly moisture or extra air. From what I researched it’s also important to replace the dryer too before refilling it, just make sure all Freon is removed and there is no pressure in the system
My ac isnt blowing cold either. I charged the system, replaced the relay, still clutch will not engage ans cant figure out why. I have a power probe so i can pull the relay and send power or ground to it, im just not sure at which pin and don't want to fry ecu
So I have the exact same car as in the video.. I checked all fuses and 7.5 is good , on the relay for the compressor I’m only getting light on my test light at one of the 4 slots in my fuse box… I’m guessing that’s the constant power slot for the pins on the relay .. also checked the wire like you did in the video where power goes from the relay and then into the compressor but not getting any power at that point on the wire connector there at that plug …. Compressor won’t come on and just blows hot air … I know you said if you DO get power at that connector then it is prob the compressor but what if you don’t get power there ? Oh I also took another relay out and swapped it with but still nothing …
thanks for the video! Honda Accord EX 2004 30,000 miles All at once no lights, front wipers, turn signals and a/c is blowing hot air. checked all fuses- and relay switch. All good, the only thing I can see is the compression Clutch the plate on the side is not spinning, the compressor is I think I am out of my league now Guess it's time to take it in...
Did you check the MICU fuse? Its in the passenger compartment fuse box behind the left kick panel. The MICU is a computer that works with the wipers and turn signals, among other things. Good luck!
Regarding my Honda and all the fuses~ .no ac, blinkers, wipers, lights etc. It was RATS chewed up wiring had to replace all the wires $1,400!! Never before in my wildest dreams would I have thought of rats...We are wrapping all wires to harness with a rodent deterrant tape (made by Honda) Live in country with horses, donkies and cats,oh I did take cottonballs and wiped perrermint oil all over under the hood and Irish Spring soap bars by tire wells , I sure hope this keeps thiose little bastards from doing it again?.
My (new) ac compressor cuts on for a literal second then shuts off the fans do the same .But if i unplug the relay or ac compressor connector the fans run full power as they should . Help please
Thanks a lot for this video. I have an incidental problem with my 2003 Honda Accord a/c. I used the defroster today and found out that subsequently, air was not blowing through the front central vents when I changed the mode of air flow. My air flow has remained stuck on 'defrost' in spite of several attempts. Is there any chance I could get assistance/ guidance towards resolving that? Thanks again.
Hello, I have a Honda accord 2004 , when I start the car and try to use the ac I'd does not engage or moves the clutch, sometimes when I don't use it for a long time it will work but just for a small period of time and then won't rotate the clutch at all , but everytime I disconnect the wire and give to power the compressor worked and moves the clutch, what do you think could be the problem? The system is fully charged
WOW ..thanks aloooooot men ,I guess I will have to ck that fuse inside the car bcz sometime the 2 fans n the ac work and sometimes they don’t work in the same time ...can’t tell why ..one week all good and one week all stops !!!!any idea what could it be
Afternoon, I'm working on the same '03 Honda accord. Same engine. The 7.5 amp fuse at the driver's interior fuse panel is good, the cooling fan, condenser fan and AC Clutch relay are all good, switched out to a BRAND NEW compressor, oiled it, charged the system, compressor still won't come on. Low pressure switch it good also. Is there anything you can think of that I may have overlooked?
My situation is similar, but my a/c compressor does turn on, just will not blow out cold air. Based on what he did in this video, did you change out your Relay's? I would take them out and bring them to advance auto parts or AutoZone and have them test them, see if that works, so you do not buy new parts for something that is not broken.
Im having the same problem. No cold air. Clutch not engaging. Fans work, charge system. Fuses good, replaced relay. I have a power probe so i want to send power to the clutch, im just not sure which location at the relay to do so and dont want to fry to ecu. I can send ground and power w the power probe.
Hay I just install a new Ac compressor on my 04 Honda accord ex v6 and the had to run a ground wire from the ac really to make the ac work . Why is that and the ca compressor is constantly what can I do to fix that Thank you
Wonder if I have a relay switch prob. When ignition turned off, noise coming from steering column area sounds like an intermittent hum for a few minutes. Almost like a smart phone ring.
I've got a 2005 Accord; the air blows out of the front vents only. AC works, but no heat. I replaced the blender door actuator (it does not have dual climate control) and that didn't fix the issue. I ran the self diagnostics function and got an error code 4. I can't find what the code means online. Any suggestions? Thanks!
My AC turns on when I start driving then after I have parked my car somewhere and start the car again the blower turns on without any cool air. is it because of overheating? should I change the relay?
My radio isn't working on my 2004 accord and I replaced the number 10amp fuse with a new One my ac controlls still work but my radio isn't getting power what do u think the issue could be ??
@@RealBigFacts unfortunately before I got the keys to the car, my friend wanted to do one more test drive and it would not even crank so I ended up going with a different car, sorry!
Hi I have 2004 Honda Accord and change the compressor.Still not working.So we checked the relay and replaced still dont work.Jump /bypass relay and it worked ice cold.but when we put back relay it stop working again.
I have the same issue with my 2004 Honda Accord .. I have a ex-l with navigator system n I can’t get the ac button to press on n off u less I have my gps screen workin.
@@lebrunwilcio8049 i did drive it but it created problems .The compressor started making noises like loud electrical.Dont do it.its a temporary fix.I end up changing the Computer box and it worked
hey i checked for voltage on the fuse box bypassing the relay ground and i was getting 14v at the ground side with the car on is this whats supposed to happen
I have a 04 accord 2.4 and changed everything out except evaporator. The clutch stays engaged with fan on constantly and I’m puzzled. The clutch is not stuck (I’m on the second new compressor). Could it be the PCM is providing a constant ground?
Hello I have a 2004 Honda Accord and i’ve been having this issue with my car, about 2 months ago my AC stopped blowing and suddenly my climate control buttons don’t work. My dad has checked everything and everything is in good condition however when we push the climate control buttons nothing turns on. Do you have an idea of how we might fix the issue? He has checked fuses, ac fan, blower, almost everything and everything works fine but won’t turn on with buttons. Let me know, thank you!
Hello if I short the relay across the cluuch kicks in but if I take out the short wire and out the relay back the cluch shuts off and I have tried the switch the other relays. Any clue what the problem can be?
Relay isnt going to add more/extra power. A relay is more or less an on off switch. It completes the circuit when called for or cuts off the circuit so no power goes to the component
Having trouble figuring out what's causing AC error code 4 on my 07 accord. I can't get the vents to change, and the motor control doesn't move when I look inside the dash on the right side where the cabin air filter is. Could my issue be relay related ya think?
This worked on my sons 2007 Accord after it my honest mechanic diagnosed the faulty relay on my other sons 2006 civic about a year ago ($30 diagnosis and repair)! Took the relay to auto zone and the tech said this was the most common problem he sees on many of the 2000s era honda A/Cs. Thanks for this posting!
what issues was the faulty relay causing?
Thank you for that!
So the relay was bad? How did it act when it first went out?
Thank you so much. Just bought a 2003 and get hot air and you took the time to explain it very clearly. Very helpful.
Same here, 03 and the AC was working fine and I was sitting in my car at work and it almost immediately started blowing warm. Did you figure out what was wrong with yours?
@@donniev8181 Hi. Thanks for the response. I had just bought it used and was blowing hot air. I turned the A/C on and the compressor was not engaged. I got a $9.00 relay from AutoZone, turned on the A/C, and the compressor was turning, but still hot air. I got some eazy freeze freon and it was in green, empty, so filled to the blue as instructed. Unfortunately, it still blows hot air. Either I did something wrong or there is another problem. Appreciate you reaching out. Been in the 100s here so its not been great driving when I need to.
THANK YOU SIR for this helpful information. I fixed my AC problem in less than 30 minutes. All those mechanic scams will be out of business soon because of your good heart advise.
Thank you so much!!! It was the relay on my 03 Accord
I’m having a problems on my 03 Honda with the ac compressor not coming on, i will be trying this next! I hope it is just my relay as well! I’m glad this fix worked for you.
Great job very informative straight to the point thank you
Very thorough, and informative post. Will troubleshoot my 2003 Honda Accord which is experiencing AC issues. Thank you.
2003 honda accord which is experiencing ac
Thankyou. Excellent vid.
Nice video thank you my friend
Excellent presentation, bro!!!!!
Fuck yeah this was amazing info!!!
Thank you so much😢
Big time helpful, I was sitting at work and my air stopped blowing cold almost immediately. These tips will help me track down the problem. Quick question, was the clip for the compressor power cable mounted? I think mine has a clip in place right beside the fan??
Thats super helpful Thanks...
Good mechanical diagnostic skills man. My girlfriend has 2004 Honda Accord and I'm praying the cabin filter is the reason hers doesn't work. Freon is charged and radiator coolant is topped out and fresh. Do you have any suggestions? Thanks in advance. Five star video. Subbed
NICE info....power to the compressor is good, but that doesn't mean BAD compressor. Honda clutches can go @ 80 k... way easier fix than pulling compressor as just grinding it down a very small amount can reengage clutch... Power to it test was nice to see... 134a & relay & compressor said shop for $1100
Found the fuse hole due to misplaced. Thx man...
Tyvm for this video. My car had a bad relay, what an easy fix!
Great video QUESTION- where on the compressor was that wire found? I see the wire but is the plug up on top of compressor? Also, can you do a video on measuring the one pin plug connected to compressor, or in a quick response. Thank you for explaining this seeming easy diagnosis. subscribed!!
I see you're not answering people's comments but what the heck, maybe someone else can help. At 2:55 you mentioned the 7.5A fuse provides constant power to the relay. I checked Voltage to that fuse's socket with a multimeter and no voltage. The fuse is not blown. It's not getting power, what is my next step?
Excellent video. I just checked my fuses and they all appear to be fine, my compressor turns on well, the condenser is great and the system is fully charged, but it will not blow any cold air whatsoever. The cabin filter is clean and the intake filter is clean. About 5 years the entire system was replaced and all of a sudden it just stopped blowing cold air and I am clueless. Have you ever heard of this issue? After watching your video I was thinking maybe it was the relay, but if it was that then no circuit would be sending for the compressor to turn on.
You figure it out?/mine is having the exact same problem.
@@felixvargas4112 Hi Felix, I checked everything and it turned out that the pressure was low on my ac compressor and that’s why the clutch would not engage. The pulley turns on the ac compressor regardless as is the long serpentine belt, but once I added more Freon then the clutch still engaged and started to spin. Still my ac is not cold, so honestly what I think it might be now is there is enough pressure, just not enough Freon and I have no way to tell how much. I’m going to have my system emptied out, and plays will do that for about $40. Then I’ll just use an ac vacuum, make sure there is no pressure in the system and then put in brand new r134 according to Honda. Hopefully that fixes it. Previously freon was probably just added, but wasn’t vacuumed to remove possibly moisture or extra air. From what I researched it’s also important to replace the dryer too before refilling it, just make sure all Freon is removed and there is no pressure in the system
Yup, just added freon and it works now.. Thanks
@@felixvargas4112 awesome, great to hear it
My ac isnt blowing cold either. I charged the system, replaced the relay, still clutch will not engage ans cant figure out why. I have a power probe so i can pull the relay and send power or ground to it, im just not sure at which pin and don't want to fry ecu
So I have the exact same car as in the video.. I checked all fuses and 7.5 is good , on the relay for the compressor I’m only getting light on my test light at one of the 4 slots in my fuse box… I’m guessing that’s the constant power slot for the pins on the relay .. also checked the wire like you did in the video where power goes from the relay and then into the compressor but not getting any power at that point on the wire connector there at that plug …. Compressor won’t come on and just blows hot air … I know you said if you DO get power at that connector then it is prob the compressor but what if you don’t get power there ? Oh I also took another relay out and swapped it with but still nothing …
How do I know if my fuse is blown? My ac was working fine , than just stopped blowing air completely
thanks for the video! Honda Accord EX 2004 30,000 miles
All at once no lights, front wipers, turn signals and a/c is blowing hot air. checked all fuses- and relay switch. All good, the only thing I can see is the compression Clutch the plate on the side is not spinning, the compressor is I think I am out of my league now
Guess it's time to take it in...
Did you check the MICU fuse? Its in the passenger compartment fuse box behind the left kick panel. The MICU is a computer that works with the wipers and turn signals, among other things. Good luck!
Regarding my Honda and all the fuses~ .no ac, blinkers, wipers, lights etc. It was RATS chewed up wiring had to replace all the wires $1,400!! Never before in my wildest dreams would I have thought of rats...We are wrapping all wires to harness with a rodent deterrant tape (made by Honda) Live in country with horses, donkies and cats,oh I did take cottonballs and wiped perrermint oil all over under the hood and Irish Spring soap bars by tire wells ,
I sure hope this keeps thiose little bastards from doing it again?.
Wow! Rats are terrible.. may be time to get a pet snake for the car!
Sorry to hear of your misfortune, I hope it doesnt happen again. Does your car really only have 30k miles? That's very good for a 2004.
@@LehewTech haha! my daughter just found another home for her albino python, " Bella" who she had for 14 years ..
My (new) ac compressor cuts on for a literal second then shuts off the fans do the same .But if i unplug the relay or ac compressor connector the fans run full power as they should . Help please
Tanks
Thanks a lot for this video.
I have an incidental problem with my 2003 Honda Accord a/c.
I used the defroster today and found out that subsequently, air was not blowing through the front central vents when I changed the mode of air flow. My air flow has remained stuck on 'defrost' in spite of several attempts.
Is there any chance I could get assistance/ guidance towards resolving that?
Thanks again.
There is an actuator below the steering wheel, by the driver's right knee. If that actuator fails, your ventilation system won't change modes.
Hello, I have a Honda accord 2004 , when I start the car and try to use the ac I'd does not engage or moves the clutch, sometimes when I don't use it for a long time it will work but just for a small period of time and then won't rotate the clutch at all , but everytime I disconnect the wire and give to power the compressor worked and moves the clutch, what do you think could be the problem? The system is fully charged
WOW ..thanks aloooooot men ,I guess I will have to ck that fuse inside the car bcz sometime the 2 fans n the ac work and sometimes they don’t work in the same time ...can’t tell why ..one week all good and one week all stops !!!!any idea what could it be
Afternoon,
I'm working on the same '03 Honda accord. Same engine. The 7.5 amp fuse at the driver's interior fuse panel is good, the cooling fan, condenser fan and AC Clutch relay are all good, switched out to a BRAND NEW compressor, oiled it, charged the system, compressor still won't come on.
Low pressure switch it good also. Is there anything you can think of that I may have overlooked?
My situation is similar, but my a/c compressor does turn on, just will not blow out cold air. Based on what he did in this video, did you change out your Relay's? I would take them out and bring them to advance auto parts or AutoZone and have them test them, see if that works, so you do not buy new parts for something that is not broken.
Im having the same problem. No cold air. Clutch not engaging. Fans work, charge system. Fuses good, replaced relay. I have a power probe so i want to send power to the clutch, im just not sure which location at the relay to do so and dont want to fry to ecu. I can send ground and power w the power probe.
Hay I just install a new Ac compressor on my 04 Honda accord ex v6 and the had to run a ground wire from the ac really to make the ac work . Why is that and the ca compressor is constantly what can I do to fix that Thank you
Wonder if I have a relay switch prob. When ignition turned off, noise coming from steering column area sounds like an intermittent hum for a few minutes. Almost like a smart phone ring.
I've got a 2005 Accord; the air blows out of the front vents only. AC works, but no heat. I replaced the blender door actuator (it does not have dual climate control) and that didn't fix the issue. I ran the self diagnostics function and got an error code 4. I can't find what the code means online. Any suggestions? Thanks!
My AC turns on when I start driving then after I have parked my car somewhere and start the car again the blower turns on without any cool air. is it because of overheating? should I change the relay?
My radio isn't working on my 2004 accord and I replaced the number 10amp fuse with a new One my ac controlls still work but my radio isn't getting power what do u think the issue could be ??
Varia la caja de fusibles de un v6 a un v4 2003
The constant power before the fuse. What if that power is not getting power?
When you say the computer, which one are you talking about? Or does someone know
If my fans are running and compressor is running, but I have only hot air blowing. Does that rule out the fuze and relay?
same here. did you find the issue?
bought my friend's 04 accord that does blow hot air just not cold air. hoping its a fuse or relay issue so that it'll be an easy fix
Was the relay the issue with your accord?
@@RealBigFacts unfortunately before I got the keys to the car, my friend wanted to do one more test drive and it would not even crank so I ended up going with a different car, sorry!
I can’t get my blower off can you help me?
Hi I have 2004 Honda Accord and change the compressor.Still not working.So we checked the relay and replaced still dont work.Jump /bypass relay and it worked ice cold.but when we put back relay it stop working again.
I have the same issue with my 2004 Honda Accord .. I have a ex-l with navigator system n I can’t get the ac button to press on n off u less I have my gps screen workin.
Hi, how do you bypass the relay please? And is ok to drive it like that?
@@thivarattanabounyang4635 u probably need to change the whole faceplate
@@lebrunwilcio8049 i did drive it but it created problems .The compressor started making noises like loud electrical.Dont do it.its a temporary fix.I end up changing the Computer box and it worked
But i cant measure freon until the compressor turns on correct?
correct
hey i checked for voltage on the fuse box bypassing the relay ground and i was getting 14v at the ground side with the car on is this whats supposed to happen
I have a 04 accord 2.4 and changed everything out except evaporator. The clutch stays engaged with fan on constantly and I’m puzzled. The clutch is not stuck (I’m on the second new compressor). Could it be the PCM is providing a constant ground?
Maybe the relay is stuck on/not switching to off. Wish i had this problem. My clutch wont engage at all and cant figure out why
Hello I have a 2004 Honda Accord and i’ve been having this issue with my car, about 2 months ago my AC stopped blowing and suddenly my climate control buttons don’t work. My dad has checked everything and everything is in good condition however when we push the climate control buttons nothing turns on. Do you have an idea of how we might fix the issue? He has checked fuses, ac fan, blower, almost everything and everything works fine but won’t turn on with buttons. Let me know, thank you!
Encontraste el problema
Hello if I short the relay across the cluuch kicks in but if I take out the short wire and out the relay back the cluch shuts off and I have tried the switch the other relays. Any clue what the problem can be?
How/where/which pins did you put the jumper wire to get the clutch to engage?
My compressor randomly loses power
New relay and all good fuses when works ice cold
Turn car off then back on ac works again
Can I use external relay to increase the amperage of the compressor?
Relay isnt going to add more/extra power. A relay is more or less an on off switch. It completes the circuit when called for or cuts off the circuit so no power goes to the component
No tiene traducion al espanñol
Having trouble figuring out what's causing AC error code 4 on my 07 accord. I can't get the vents to change, and the motor control doesn't move when I look inside the dash on the right side where the cabin air filter is. Could my issue be relay related ya think?
The Freon pressure is in the red, with the compressor off. Is this normal?
Means the compressor probably isn’t working. Mine is like that and the clutch doesn’t move but the pulley on the compressor does