TOYOTA SIENNA A/C NOT BLOWING COLD DIAGNOSIS & FIX
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- čas přidán 7. 08. 2024
- In today's video we take a look at a 2012 Toyota Sienna w/ a 3.5l V6 engine. The customer complaint is that the air conditioning is not blowing cold. Using a scan tool we find a code B1422 Compressor Lock code stored in the ac amplifier module. Follow along as I give you tips for diagnosing and troubleshooting a/c clutch problems on your Toyota.
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Honest technician ❤️
replacing only the faulty part
I honestly appreciate all these a/c diag/fix videos you’ve been putting out. 🙌🏾🙌🏾🙌🏾🙌🏾🙌🏾
Your son will always remember,going to work with dad.. keep up the good work.. I always like your videos .
Bro did not stutter while he was working. Just spitting out info non stop
I always hate when stuff starts working and you have to figure out what you touched to make it do that.
Liked a lot how you test: circuit+relay+compressor+power signal. Brilliant!
I just love your no nonsence logical troubleshooting. Im not a car guy but i work with computers and ive come to realize troubleshooting is a skill that transends fields. As long as you canbreak the problem down logically.
You did an excellent job with the video. It looked and sounded great. I enjoyed how you went through step by step to show everybody what is going on. Not too fast not too slow. Perfect Great job
Awesome problem solving , a methodical approach with logic , nicely done
Eric I watch every single video you have helped me a lot and I appreciate it very much!
ERIC, AWESOME logic approach to find the problem thanks for sharing.
That compressor has the rear electronic control solenoid valve which is also a troublesome solenoid to diagnose. Great job diagnosing the A/C. Thumbs Up
It's a variable displacement compressor, easy to troubleshoot using gauges and an oscilloscope to see if it's being pulse width modulated!
Thanks for the great support. My a/c was working, then not, then was....such drama.
If you were at the dealer service, and diagnosed an intermittent open wire or connector like that, your service manager would want that car up on the lift, the covers removed, the belt off, and the compressor positioned to inspect if the wire or wire end inside the plastic hardshell connector was damaged, loose, or fit poorly.
If you can provide a ground with a jump wire substituted, and it works without an a/c issue or noise, you repair the wire.
That's the difference between getting labor to solve the issue versus replacing half the system for the sake of the parts cannon.
Now if there's a bulletin, it might specify which is the known to fail part.
It could also be a bulletin that provides a part number for a repair connector or the field coil.
You should try by inspection, to fix it.
If you don't have to replace half the system, then don't.
Overselling on ac is what mechanics get accused of sometimes, it's because once you breach the system refrigerant, a bunch of issues are created.
Just don't.
If there's a good reason during the inspection to repair, then that would change things.
Like a cracked field coil, or broken connector on the body of the field coil.
When I did these, we identified piece by piece and parts price by price, then management decided with who was paying.
That's the best medicine.
You can do whatever you like, of course.
Great job,I do this all day everyday,people don't realize how much goes in to diagnosis a A/C problem,just today I fixed a Dodge and a Chevy Traverse with bad TIPM's,no power to the a/c relay's,just remember don't overlook the basics,lol..
It was a bad relay all along, when you replaced the TIPM, you also replaced that relay so you thought it was the TIPM that fixed it.
Eric, I hope you're doing extremely well down in the great state of Texas! I've been binge watching all your past videos and am learning so many great things from you. Thank you!
Very thorough explanation of this sometimes intermittent problem in the Sienna vans
Very good! My exact problem and I do not yet know where my continuity problem exists, but I know how to find out. Thanks!
Always a thumbs up from me bro! Great diag and straight to the point!
I took my son on a Mobile service as well my friend. Children keep you busy. Great Diagnostic work. Richards "Mobile" Auto and Air
Bro! You explain good enough for doing that repair!! Thanks for the tip!!
Awesome diagnosis! Keep up the good work bro!!!
Great work Eric keep in bringing more videos love your videos. very entertaining.
Thanks Eric for sharing your videos and knowledge. Stay safe and well Artie 👍
Dang. Replaced a perfectly good compressor just because of a loose wire. That sucks. Hopefully they will rebuilt the "old" unit and resell it. Great video, though sir!
Thank u my boss (A.L.A) for your diagnosis, good work.Habib Auto warching u all day way from Ghana Accra West Africa
Hi,it happened to me but with a new compressor from Nissan, I went to an other shop to diagnostic, and find out the female terminal was to open,I did closed them,everything works after that..nice information.
Thanks for the diagnosis Eric! Honorably seen is the Viper! lol
Excellent video - had an identical issue. Thank you.
Sweet, AC troubleshooting!! Gotta have that AC in South Texas!! That AC manifold looks sketchy. Great step by step process!!!
Thanks 👍
thanks for not wasting time -- you get right to it.
Awesome vídeo.
Always look forward to your vídeos
thank you bro. very helpful info video and very clear explaining ☝🏽☝🏽☝🏽☝🏽❤❤❤
Great diagnostic path!! Good to c the Launch. I Think Launch is getting jealous of all the attention Think is getting. I have the Diagun. So far I don’t c the need to buy the Think. Both seem to b excellent tools.
Good job Sr. Thanks!
Thank you for the information.
Great diagnostic video .
Great video, Thanks for sharing👍
Great video Eric! Keep them coming, your troubleshooting skills are awesome!
Great explanation! Thanks.
Toyota is one of the few brands that even monitor the ac ckt, the blinking ac light was caused by the ac codes
Very good diagnostics process :) good video
Thanks for the visit
Very useful video.those sienna compressor have sensors on them i like one or 2 wire compressors siennas always problem with ac and front end
Replaced the compressor clutch on my 04 Mini. Ebay had the clutch for $29. Mini wanted $900 to replace the compressor
Viewing from a shop owner POV they will always replace the compressor..
Have fun replacing it again soon. 😂🤣 eBay parts. 🥴🥴🥴
Very professional!
Great help this worked for me
Great video
Done really well. Thanks
Goodmorning brother , Thank you , really appreciate the information and knowledge.
I have a 2002 Sienna and same issue. I believe it may be the same. The belt squeaks when I turn on the ac as the car runs , hoping it isn’t a greater issue. Best regards ✊🏽🙏🏼
When the big bad ass tech says, "what the hell"!!?😁. You're my new favorite. Logic is misleading, too often it's not what you know, it's what you can figure out.
Great video man 👍
Thank you! I appreciate it!
Great job
Thanks for the great lesson man 🍺 🍺 🍺
Thanks for watching!
Summer is here🔥
Great video Eric, isn't there a AC clutch speed sensors that monitors the RPM of clutch and if it differs from Crank RPM it detects a 'locked clutch' and cutoff the AC clutch relay, therefore disengaging the clutch ? Thanks.
Thanks, I fix the same mini van with the same problem, but th problem whose a the flow sensor
🔥 video and 🔥 Ford Lightning!!
Relay?
Usually touching or tapping them fixes it for a little while.
last time i had that code set, it was on that model year sienna, i had a pin fitment issue at the connector by the passenger kickpanel, then i found the clutch and coil was replaced by the last toyota dealer for the same code(NOTHING TO DO WITH THE CLUTCH AND COIL ON THE DIAGRAM), so then i had to replace the clutch and coil because the clutch/coil wire was rubbed through due to improper installation
Good Job..
Just have a question for u what scanner do u recommend the most
Hi,nice video..
How is the Viper doing Eric ?. Would be nice if you could do an update.
A very common problem with Toyota is the relay for the clutch, often the horn relay is the same, I swap them and the ac starts working, I try that soon as I verify there's enough freon in the system and compressor clutch doesn't engage
can you show how to replace a passenger blend door actuator please
Nice job
Thanks!
Im having same problem with 2011 sienna, but this one has an integrated relay for the A/c , wish me luck 😅 .
Great video, you make everything look easier.
Did you figure it out? Having same problem
@@Moturd yes ,
@@Moturd 3 things were bad, the A/C amplifier, it's location is under the globe box, the integrated relay, it's location front fuse box. And the sensor located on top of the sensor.
@@kingdom5048 cool thanks for the info man. I think I have other problems.
how do i remove the integrated relay? just pull it out?
Grasias y saludos
Genius!
So cool Eric, no pun intended, lol!!!
😁
What kind of scanner is that?
So where do I buy the refrigerant ?
I have 99 toyota camry that does the samething i was cheking it the other day and noticed that when i spun the clutch with a screwdriver it would kick on now i just turn it off and on untill it kicks in...im going to che the wires next i was already going to order a new clitch...
Great video!. I have the same van (2011) and my ac is not really cold , I say 60% cold only.. they say it may be the condenser or evaporator clogged .. any idea I would really appreciate you. 👍
Also when I turn the ac on , right before start cooling poorly smells really bad from the vents . This is why it makes me believe the evaporator is bad
How much was the compressor? Every mechanic I spoke to about my AC probation wanted to replace the compressor.
Love your videos. Wish i have where i can contact you so i can talk to you, have a couple of questions and doubts.
Wonder how much dealerships charges to fix this ?
Hello have a ? for you I am looking at the Topdon Phoenix plus vs Thinktool Pro. What is your view on the two scanners to buy. I have not found a side by side comparison. Thanks
Thinktool pro is a closed system scanner and works more fast.
My sienna doesn't blow that cold when idling, but when I get up to a consistent speed above say 45 mph for any length of time, starts to blow cold; makes me think it's the EcoBoost getting in the way. Thoughts?
Your coil condensor may need a real good cleaning with some coil cleaner thrn a good hose down with soapy then plain water.
GREAT
Help!! 2011 Sienna not cold air on driver side front to back (xle with dual control) but right passenger side is cool but not cold. Actuator motor on driver side is fine. R235a pressure on low side is spot on using two guages. High side is low though at 100 or less running or not. Could it be an expansion valve or what? Compressor cuts on but does not cycle very often.
Did you ever find a solution? I have the exact same issue.
@heyradchad actuator motor on left was definitely bad. Had to order a junkyard unit...worked fine...was a beeeotch to install getting teeth to line up...only took 89 attempts
Hi can you help me with my 2008 toyota avalon cooling fan not working new cooling fan and new cooling fan ecu it still wont work
Please can someone tells me the name of the computer diagnosis he is using
Thanks
Does the AC not work if the door is open ?
Thank you man,
Is the Thinkdiag well keep all the softwares after i finish one year or i have to buy them again?
Have to buy again after one year.But not bad to get a full system full software scanner under $120
@@thinkcartool3825 not even one software will stay for free in the thinkdiag?
@@76ameer If you love lifetime free update scanner,you can check the thinkscan Max on our channel,but it only do basic things for all system.
i have a 2011, but there's not even a relay in that spot. It doesn't say MG CLT on my diagram, it just says "PTC HTR NO.3". But my "A/C On" light does flash at times - not all the time, when i press the AC button a few times, it will toggle On to Off, etc. but remains on when I leave it On.
Same here, mine doesn’t have an a/c magnetic relay either. AC turns off rarely. I have noticed it doesn’t blow very cold air. I have a neighbor that has 2003 sienna and his air is much colder than my sienna.
That sienna has the outdated mag clutch relay, toyota came out with a different relay which was Grey in color. The old off white color relay overheats and shuts down the a.c. system.. common on all camrys older corollas and siennas
Good info. thanks
Yeah Lon my Lexus es300, the ac would flash if the idle is super low. When I turn it off, rev to 1000, the ac will work as normal
Because my Lexus was a 97, it wasn’t worth replacing expensive parts, as a temporary fix, I raised the idle to 950ish to solve my ac problem but I would not recommend doing it on a car you plan to keep for a long time. I ended up selling my Lexus a year later.
Denso AC Amplifier control module under dash behind glove box
I think I just saw the viper, from purple reign.
My dad would be like "u cant pull it !!!!" Pull! got dam it " then id be crying and then mom would start drama over it LOL
What happens if there’s not electricity only for the fan but no for the a/c compressor???
Great video. I have a 2017 Highlander XLE and a fw years ago my A/c wasn't blowing cool air so I took it to the dealership. My understanding was that they checked everything and then put in some sealant with a UV dye. What they didn't tell me was to bring in back in so they could use a black light or whatever it is to see the dye if that is the logical next step. Th A/c worked fine for th next year and a half but last September the A/C wasn't blowing cold air again. I had noticed a slight "smell" inside the vehicle occasionally while using the A/C for the month or 2 before that. What's a real pain in the a$$ is that the refrigerant used in the 2017 Highlander is R134a which was banned from being sold in Canada back in 2020!!!! Now what? I was going to try a recharge kit but like I said R134a is no long sold here. I'm beginning to think that the Toyota Tech who was probably fairly new didn't take the steps that you showed here ( the Tech who worked on a previous Toyota had over 38 years in when he retired back in 2016 ). Some random non- Toyota guy said that I would have to replace everything in the A/C system to be able to use the " new " refrigerants. Is this true?
Same intermittent issue in my 2007 Lexus es350. Toyota uses the same compressor in matrix, sienna, and Lexus models. Same exact connector issue as in the vid. In my case the connecter melted together(ac still kicks on somehow). Im getting the ac control valve (eBay 50$) AND the pigtail connecter (22$) changed out. Shop originally wanted to replace whole compressor (600$, not including labor)
Agreed, those clutch coils are as close to crap as they can get them. They aren't built robust enough therefore not able to weather through the ambient heat including the electrical load heat generated when operating. I've seen many of them burned and overheated yet the compressor is still 100% good and in many cases, only 6 months old rendering the repair to involve a complete compressor replacement vs. just the coil for $40.
Dodge viper?
That purple thing looks familiar.
welldone , 👏 🙏 👌 🫵 🫶 yout video . Thank you for sharing your knowledge . awesome 🦅 🦅 🦅
Why would it not turn the AC compressor on if the engine is too hot or too cold
If engine is too hot (maybe loss of coolant), computer tries to reduce load on the engine.
@@gaad7938 Thank you
👍