In this video I have a look at a customers 2006 Chrysler Town and Country. The customer complaint is that the fan runs at random even after you turn the car off! Well that's no good. Let's have a look ad see if we can fix it.
-Enjoy!
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--Eric & Vanessa O.
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South Main Auto Repair
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Avoca, NY 14809
Disclaimer:
Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained.
-Enjoy!
If an SMA Video has helped you out please consider giving using "Patreon" to help support us. The videos take real time to create and pull us away from real work that pays our bills. CLICK HERE: https://www.patreon.com/southmainauto
CHECK OUT OUR "SMA SWAG" STORE! Go on Teespring and get your very own SMA merch!
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If you don't like Patreon feel free to use the "PayPal Me" link: https://www.paypal.me/SouthMainAuto
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AES Wave Automotive Diagnostic Tools: https://www.aeswave.com/cart.php?m=affiliate_go&affiliateID=2525b91fc8e906e8215984074c9d9e8f&go=https://www.aeswave.com/Miscellaneous-p9347.html
Thank you for all the continuing support!
--Eric & Vanessa O.
Feel like sending some swag to SMA because you love the videos but don't know where to send it?
Just ship it here:
South Main Auto Repair
47 S. Main St
PO Box 471
Avoca, NY 14809
Disclaimer:
Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained.
I Think it's possessed folks. uh 06 Town and Country guy just dropped it off to his engine won't shut off, but these cooling fans just make the fuse out for them here. So far, what's going on? I assume there's a relay stuck I don't know if they're built into the tip them on these or I'm pretty sure they're separate but I had this out and then I stuck the fuse back in it and it was really going kind of Haywire But at any rate, we'll leave that out. We'll go do some looking to see what this thing's made out of and the reason the guy thought his engine was still running is because he's deaf.
So everybody kept telling them like hey, you know your car's on and he's showing them the keys I got the keys but uh, at any rate, he said he stuck his hand on the car and he told me that the engine's still running but he has the keys. but indeed, it's just the fan that's running, not the engine. So anyhow, so I'd catch you up on that. Well let's see if we can find this little fella.
I'm assuming it's a relay that's stuck on. Nothing else in the car seems to be acting funny haha funny or otherwise, there's that one man that's Phillips head screws here too. It looks like these little guys thank you All right there's that looks like a couple push Clips there. The relay kind of hides down here in front of the car and that's a car anyways.
I Suppose we could be jumping the gun going for it, but it's about the only thing that makes sense. No engine light or anything. so I doubt the control side of it shorted there. She is.
okay. let's put the fuse back in here see if it takes off on us. Great thick snow. all of a sudden.
Relay cooled down a little bit. Nope. I can hear it. Foreign fans are getting all jittery right now.
Come on baby. they're winding up. They're winding down. They almost got going I'm making some funny noises here.
Let me take the Power of Two And from it here. Ghost Rider Well let me show you where this relay lives anyhow. see if it starts acting up on us. It was there for a second.
Oh every time I look at them, they keep tweaking. Let me show you. Well, never mind. I Went to show you and they kicked on.
Um, well let me show you where the three lane lives before. I unplug it. So that's where it lived. right there.
It's all about by that ribbon. Gotta get the red clip out of it here. Oh there we go. Didn't unplug it I Just took it on the connector here.
There we go. So the connector is unplugged. Nice and clean. Clean and green.
Obviously we know the wiring from there out is good and I'll be honest with you folks. I've seen this a dozen times. It's always a relay. No sense of playing dumb.
Uh, what? we could do or what we could have done to prove it to you is we come on the control side and we make sure the signal is not being sent to turn the relay on. Typically, we unplug these and they're usually all corroded and relays all gone funky. Um, I'm just going to do this one 100 based off experience 100 Parts Cannon Diagnosis: I'm going to get a cooling fan relay for it. We're going to put it in there because it's Friday and it's almost quitting time and if I'm wrong, well I'll just I'll eat it well. Knapper didn't have one. Uh, Fast Freddy does though. they're bringing one up. So if you're working on one of these, so these are pretty simple relay, one of these wires is going to be power and one of these is going to the fan.
so you can, you know, check your fan assembly by using a jumper wire and just jumping these two they should. It should turn fans on theoretically and high or catching on. fire control side of the relay, we have the control. I Assume it's pulse width modulated would be my assumption and then one of those wires is going to be a ground.
I Assume probably the black one. Let's see if one of these is one of these is powered here. All right. So that's our full-time power in that one goes to our fan and I'm going to assume our black one here yeah, is the ground and then our other one here is going to be the control that turns this relay on.
We can plug our little U-scope into the back of it, use the scan tool and command the fan on, and we should be able to see that signal. So if that's something you're interested in I don't know if they are or not so we can look at that. Perhaps when we get the new relay, we'll plug it in here and then probe it just so you can see what it's supposed to look like and whatnot. Foreign there.
That's it. Kind of hard to hold the camera and not a cut off wheel at the same time. Don't touch your AC condenser or cut through the bumper cover or anything like that. You can always stick a bar under it and just snap it off too and then you know and then grind your rivet off and then you can.
You know, just we'll mount it back there. or if it comes with rivet or not. Looks like those big window regulator rivets. All right.
Fast Freddy Showed up. It's a classic. Uh, Romeo Yankee 446. foreign.
Hooked up. We'll get our connector here. plug it in I Went upstairs and got some rivet too. Even looks like the right size.
Let's make sure that we've plugged in the fuse I think we did. I don't even look I Put the cover back on it so it must be I did. All right. So let's get this thing decoded here.
We'll make sure everybody's happy first before we go. put it back in and then I can show you how the control side of it works. Okay, let's see. we're gonna go active tests and then we're gonna go radiator fan control.
Do we want live stream? Sure. I'll pick out some data pits here. I'll bust out the old youth scope here. a couple of probes.
They're kind of a big connector. We should build a probe in there. no problem see I'm just going to go into control side so the black is green and bare ground. If you're coming on a Chrysler kind of a loose connector and there's our control. Hopefully we're probed in there. we'll hit start. so in this case it is because we're at 100 percent. it's not.
Um, let's see here. Let me change the time on our screen here. Got to get some stuff packed and back. Oh I keep hitting this button up top like what the heck is going on here.
So in this case it's not pulse width modulated. it's just pulled from 12 volts to ground when we start it. So all right, so let me see if there's a low speed or something that you can see the actuator actually or the pulse width modulation actually working here. Yeah.
So if I go to fan relay fan relay controller low speed fan relay the only one that works is the fan relay control altel is really awful on Old Chrysler So like say pre 2007 Chryslers It's probably the worst tool you can choose in in that regards. The the data lists are usually kind of hit or miss. You can get some erroneous data and a lot of the actuator tests are are irrelevant. They just don't even apply to the car you're working on.
So I guess the only thing we can do? let's just get it done. Let's just put it in and we'll boil it down and then I guess we could, uh, you know, back probe it and start it and see all that. But essentially what you would see during low speed is a pulse width modulated signal to the relay. Um I guess that's the best I can explain it to you.
The other thing you guys can do too if you didn't have a uh, if you don't have that little U-scope or a you know lab scope of any sort. to see a signal like that, you could use a really low current test light like an LED one. or you know, 100 milliamp, you know, test light like the little OTC one with a red light on it that would work good and then you could look to see if it's receiving this signal to turn on. Of course, if you don't have a scan tool to turn it on, you'd have to wait.
You know, until the vehicle is up to temperature and it was commanding the fan on. Or if the air conditioner worked on your car. you know you could turn the AC on and wait a little bit. You know to get that uh signal to turn it on this car.
the AC doesn't work so I can't even can't even really show you here. You know we'd have to wait for it to heat up and see it, wait for it to command to low speed which has got quite wants his car back here so we'll uh, throw the parts and pieces back on it and ship it, move on to something else. Actually, it's the last one last car for the day. So right, it wasn't even planned.
he just happened to be driving by. tell me his woes. Oh baby. Well that's it for all you mother butthole man.
freaking window all right. Eat junk cars. Nothing frustrates me worse than a stinking stupid electric power window and your customer doesn't tell you it's broke. but it's the number one rule in the aftermarket automotive shop. Warning world has never ever touched a customer's window because they're always freaking broke because they're junk there. End of rant: Oh gosh, it pisses me off though at anyhow. at any rate, that's uh, fixing your cooling fan that stays stuck on on your Chrysler or maybe perhaps even in your case, one that doesn't work. Typically if the cooling fan relay fails, there's a wiring or circuitry problem.
We'll say on the control side you would have a check engine light and I would assume like a P Zero Four or something. maybe like a 481 451. something like that, some kind of cooling fan relay control circuit code. whatever that code is and then you know you would trace it down from there.
But our circuit was intact. It's just the relay was going. you know, whoopty on the inside, so that's it. Um, I'm glad we got the window up.
and why don't you guys get on that comment section. Tell me what's up. Questions, comments, concerns, insty the Facebook. You guys know where I'm at.
Just remember viewers, if I can do it, you can do it. Thanks for watching.
Morning Eric, what 2as the name of the small hand held scope you where using, I know you said the name twice but I didn't catch it. Regards Richard 🇬🇧
What was that tool you used to probe the signal circuit?
relax dude
I have to admit you do get some Oddball things to fix keep up the good work Eric enjoy watching you work sir
Comment
"Or catch on fire."
I remember there was a time when this was such an incredibly common fault on Chryslers. I’ve replaced so many of these fan relays on all different kinds of Chryslers. The minivans and Grand Cherokee seemed the be the most common. Thankfully they’re external and generally easy to replace.
“Fudge hole” will now be added to my curse word free working day 🤣
Bummer the scope didn’t pan out, I really enjoy the advanced diag videos. With the economy crapping out, people trying to keep cars going longer and the cheap scopes available I think more of us will need the skills and techniques you graciously share. You are a gifted troubleshooter and it is much appreciated. re: the window, I once got trapped outside a possessed Chrystless product that auto locked the doors on me…vehicle running, late at night, in a remote location, my cell phone in the truck along with my jacket, me stuck outside wearing a hoodie at about -35f. Obviously survived and still have all my fingers. Putting windows down is now strongly ingrained for me.
Gravy!
You are one of the best automotive repair channels on YouTube!
You are way better than SK, bc you show how to fix, repair, diagnose or repair vehicles from start to finish.
Your methods are logical and you are an absolute treasure on YouTube.
It seems Chrysler's most common issues, at least from the 2000's to early 2010's, are the wiring, certain electrical components such as the TIPM, transmission control solenoid, brakes and wheel bearings.
Those are the most common issues I see you working on Chryslers of this era.
Rarely do I see Chryslers coming in for engine, driveline or driveability issues in your shop.
"The power of Chrystler Compells you!"
Lmao, loved watching Eric O. go nuts on a power window that doesn't go back up. Funny how we don't get informed of these things and we don't become aware of it till we're done and parking it back outside. I always make the same bleeping reaction! Love it!!! Lol
I understand your frustration. I come from an electrical background, so I see these as common issues with all cars. You sh!t on Chrysler all day long, but my experience is they're some of the longest lasting cars out there and it's from experience.
Great job as always Eric, what is the make of that little scope you used. Looks a very handy piece of kit.
What is the brand that makes that small scope you used?
If he Says "negative ghost rider" one more time, I'm gonna poop on his porch
Merry Chrysler to you and your family
What brand is that LED bar light that you use? It seems nice and bright.
Are the fan bearings bad?
Where's Josh going on vacation?
Its a Chrysler………….there all possessed at some stage………hammers and exorcism recommend.
..
👍🏻👍🏻👍🏻🌷
PWM driving a relay?? Must be a solid state one then, and more of a motor speed controller?
Thanks for the videos Eric, I watch every one.
Great diag Eric O. Had a friends parents that a caravan like that with the same issue.👍
"Mother fudge hole" – I'm using that one.
New Tech, Gotta Love it. Good to no where the Silly Relay Lives tho, and how it works. Nicely done once again E. O.
If it's not a Phillip's brand screw, then it's called a "crosshead" screw Mr. O.
I brought my Chevrolet into get serviced one time at a GM dealership… When I went to fill up gas after that service, the gas cap wouldn't lock and click anymore. I could only assume one of the service guys cranked on the gas cap really fast and hard and that broke the ratcheting.
They ended up charging me for a new gas cap b/c there's no way to prove they broke it.
Eric what type work light are you using in this video TIA
Checked your Amazon store but I don't see that nifty little scope. Got a link?
pos windows..i feel ya!!
First time seeing Eric get upset. He is human after all
What dummy at dodge decided that was remotely a good place for a relay? 🤣
Quick and out the door! Like an early 90's Ford F250 V8 gas engine with a stuck on fuel pump relay.
Good one Mr.O!
zzzzzzz hit the condenser..!!
To me, the best part of watching your videos is I get to learn something in nearly every one of them. I like that you don't try to be a comedian throughout the video, and you are actually interested in teaching us DIYers something that can save us both time and money. "Thanks for watching," oops, I mean, "thanks for the lesson."
Had a 97 T&C that did the same exact thing with the fan relay. I was busy doing all the research I could before firing any parts at it and one of the guys I worked with told me about the relay being a known issue. It was, thankfully the problem!
Having a flow chart in your mind, plus experience, makes it look like magic when electrical problems happen by and are fixed without a lot of fuss.
I've said it before that the majority of time in auto repair training class should be on the flow of electrons from control to the component(s) and diagnoses. Without knowing how power flows from control to component, a person is basically flying blind.
The thing about the windows makes sense to me now. When I worked at a dealership, we always put the driver window down. It used to be not to take any chance that you would lock the keys in. These days most cars wont let you lock the keys inside, but it's still just habit. Most of what we worked on was newer so there generally wasn't much chance of a window not working, but now that I work on junk, it makes a lot more sense lol
Nice video. I think I missed most of the diagnosis, because I was to focused on your hoodie strings with the fans going at Mach 1. Glad they didn’t get caught and you ending up kissing the radiator support. 😂😂
ANOTHER GREAT VIDEO
2009 ridgeline no broken windows and you can eat off the engine…
Scan tool for a radiator fan. 😂😂
Sorry I'm old….
Had same prob in my last Caravan… 2008
Keep cranking these out baby!
The actual problem: real easy, getting that window back up: not so much
It the ANTICHRISTLER
Christine.
You break,You buy.
I thought if ur deaf u could not drive?
u need to hear for emergency sounds and lights.
good job fixing it
Lol, tell us how you feel about electric windows… 😂🤣😂
Always like watching your videos you sure do make it look easy. Keep up the great work shout out to you from Mexico.
Come on Eric
You want to know what's up.. I'll tell you what's up… You rock… Excellence , just as we become accustom too. Thank you Sir.
My fav auto repair channel.
I DID GLASS FOR NEAR ON 50 YEARS…AUTO GLASS WAS TGE MOST DIRTY & FRUSTRATING…GLAZING I DID AS WELL (I was called a combination man…a rare person of experience in both areas) I was awarded a Master Tech Label…Grandfathered in…by golly…I guess I did it all…leaded glass as well…fun job until I got old and in pain…74 now & miss work…I KNOW EXACTLY WHAT YOUR FRUSTRATION IS…2X4X11 USUALLY HELD UP ANY DOOR GLASS WHEN A CUSTOMER COULDNT AFFORD A REPAIR…🙆🤷🙋👍🇺🇲💪
Temp sensor for afterrun
The look in your eyes when the window failed said it all!
Window:
Ford guys think Chevys are junk. Chevy guys think Fords are junk. Mechanics know that all cars are junk.
Another great video – Did you get the window back up? (I think I have had it burnt into my brain from your channel don't touch the windows or move power seats!) (oh no, braces!)
It's the fully integrated electronic fan module that's needs to be replaced. The part cost $3000 only available at the dealer.
E — could a faulty temp sensor cause the fan to stay on even if the ignition was off? Kind of like how they'll sometimes run for a few minutes when you shut the engine off and leave the vehicle.
Love your videos! Any chance anyone know how I would go about testing a vent valve for the Evap system without a scan tool with some jumper wires while it’s still on the truck. 2015 ram 1500.
heres a comment for the comment section… im tired of people of judging cuz ooo you can be better than turning wrenches.. f that… im tired of the ignorance that goes behind those sayings. watching you and being from nepa the rust belt… the scan tools the electronics behind diagnosing the true art is truly scientific. And!! being able to have wife unit( as said from rainman ray) and family still involved with some of your diag. work.. is truly amazing.. you dont see the same effort and family oriented stuff comming out of a city office cubicle.. sorry my rant like your window motor. but its issue i have with todays society.. o you own a car shop. not a ceo well. get to work tomarro some one is genius to get you there .. that is all.. just a rant sorry.
Oh yeah do not touch the window switch.
we own a dodge journey (2015)- similiar tipm……
ours has two fan relays, 1-for regular driving cycles , and 1- for high speed/ when a/c is on. The 40 to 50amp draw on the cooling fan puts enormous stress on the relay. @ once a year it cooks the regular relay(stuck On) and fan comes on by itself (engine running or not) and will Not turn off til you unplug the relay or pull the fuse. We now carry a spare in the glovebox. Also, if in a pinch you can put the relay used for high speed in the regular spot to get you home. they are the same part number, at least in ours. I have found this to be one of dodges many design issues
I love ❤a good story congratulations. The ending was a little iffy though. Ho Ho to all and good night.
good job boss: One of our daughters; although they own a number of cars, there kids drive:
they have a nice SUV, and this older smaller one; one of the windows isn't working, or more; I mentioned last week, to her husband to fix it; nope it's an old car, there you go. ambushed.
Blessings to the family, Merry Christmas to you and yours: Jesus is LORD…..
I had that happen on my 2016 Suburban, the culprit turned out to be a bad coolant temp sensor
Cool video Eric always enjoy watching you do your magic.keep them coming.
My 2003 Town & Country – I replaced the driver's door window regulator on two separate occasions, but many years apart. After the second replacement on very hot scorching days the window would dislodge and fall into door when lowering window then raising it with button. Every time I would find that the window pin would pop out of the regulator. The metal retaining mechanism would never grip it well enough in hot conditions and it would pop apart. I got pretty good beating the clock each time pulling the door cover off to gain access and pop it back together until the next time. The passenger side front door had a faulty down switch, so only the drivers master switch would lower that window.
I owned the van since 2006 since its purchase as a lease turn in with 30k miles. Two weeks ago the van was totalled when a young girl driving a 1998 TJ Wrangler lost control of her Jeep on a straight away in about 3 to 4 inches of snow. She slid sideways into the path of my son's lane sideways. Boom. She was broadside. Police cited her for the accident. The tow bill with 3 days storage easily exceeded the value of the van, then with 269,000 miles. The salvage yard only cared if it still had the original catalytic converter. And it did. The cat was worth more than the van, even before the accident. And Eric, it still had the original 41TE transmission! No kidding! Like the van you were in, the headliner had separated and fell away. It looked ungodly, but the van was well maintained, safe and dependable transportation. It was great to load things into it from Home Depot since I didn't care about scratching the interior.
Overall, a great vehicle all the way around. RIP Chrysler Town & Country.
Merry Christmas to you and Mrs. O.
You were stressing me out every time you bent over to look at those fans and your hoodie strings dangled. Yikes!
Gotta love Chrysler and their sorry electronic relays. At least it was not the A/C clutch relay like in my wife's Grand Cherokee. That one caused $400 of batteries to go bad along with the $450 dollar fuse box it was a part of. Not to mention my 350 mile round trip to a dealer that had a fuse box since the part was on backorder at all my local dealerships.
No substitute for experience
i know what you mean about the windows had a jeep just the other day rolled down was able to pull up a little on the window and it went up
I'm now a FAN of the channel
If the window will roll down but not up, it's typically just the switch contacts; so You can always hook up your scantool real quick and just acuate the window from there. I found on a 2010 dodge Nitro that you can just pop out the switch pack in the door, and take it apart and you can clean the little contact pads on the driver seat (and usually the mirror adjustment also)—– because they used a totally different and cheap type of switch compared to all the other window switchers– which are much more mechanical looking with large contacts, almost like a starter button, but since the drivers window has that auto roll down circuitry, it uses a super cheap touch pad like a TV remote uses– it's junk. I was surprised to see that they used two totally different switches, even in the same unit.
Was hoping to understand the riveting process more thoroughly
Eric, every time a watch a new video you post, I notice your subscriber count increases by around 1000. You'll be at a million subscribers soon! I was a diesel mechanic in the Navy (1970 – 1974) – worked as an automotive mechanic while going to collage '74 – '78). After graduating from collage, I've never worked as a mechanic – but still have all my Snap-on tools and Snap-on tool boxes. Now I'm 72 and retired. Watching you makes me think of the "good ole days" when there was ample room under the hood to do things! Keep up the great videos – I truly enjoy them – especially when Mrs. O helps you! 😀
I have the opposite problem… my high speed cooling fans don’t turn on… 06 Dodge Charger. I’m leaning toward TIPM.
I always opened the window a little to avoid possibly locking the keys in the vehicle.
Negative Ghost Rider, the pattern is full. 🛩️
I just took my car in for warranty work and when I got it back the seat was moved way forward and the car reeked of french fries. Evidently the test drive corresponded with a lunch run. I didn’t complain but wasn’t too pleased with either.
Another good, solid troubleshooting video. But I'm going to ask that from now on, when you say stuff like 'pulse width modulation' it's in the voice of Scotty from TOS… Just think about it and get back to me…
Yep darn windows. Anyway, now we know where that fan relay hides!
Double edge sword: lock out with keys in ignition or window roulette.
Nice spot for Relay! Thanks Chrysler..
Gravy on that car good going
Relay is a solid state MosFET transistor… They usually short themselves out… Nicely done on the repair… =)
I've had a 90 ES250 with the fan stuck on. Turned out the coolant temp sensor for the ECM was unplugged, so the fan defaulted to on to protect the engine. Used OBD1 so I didn't see any messages about it.
Drive a stake thru the ECU and BURN it.🤣
Loving all the uploads lately! Keep em coming!! Have a good weekend
I feel your pain with the power windows. I usually roll the window down to prevent getting locked out. I put the keys o n the bench but unfortunately installing blow n goes I need to turn the ignition switch several times during the install process. After a recent install when the window didn’t roll up I had quite the dilemma as the customer was a young mother with two toddlers in the back seat and the temperature was well below freezing and her home was 45 minutes away. I wasted an hour and halve of a roll of duct tape to get them home safely.
Silicone Spray can be used to lubricate the felt channels on slow electric windows….Thx Eric
The Earth is Slow, But the Oxen is Strong…
Just when I think I've got some tools, out comes the air powered rivet gun.
Fancy grill Mr. O!
I have that mini dewalt impact came in a combo deal with a 1/4 drive screw gun. Everyone laughs when you whip the little guy out but that dog will hunt and gets used often…..
Eric, with 28 years of technical training and course development experience in another field behind me now, (I'm retired) I can honestly say that was an eloquent explanation. Loved It! Thank You Sir!