If you want to know how to test an electric water pump on a Prius, this video is for you! As far as the no start with the gas engine goes, you can learn from my ignorance about this hybrid system and use my pain for your gain 😂
@ScannerDanner I've got 2ea 2001 Honda gen-1 Insights (1's a parts car) and it's been an interesting learning and parts getting process. It's a bit different design than the Toyota. Getting into the HV components in the back (battery and HV controller) my hat's off to the Japanese engineering team. The designs and functionality relationships, even at 21 years old (closer to aerospace than automotive) are exquisite!
@@ScannerDanner There's an interesting political history behind the gen-1 insights. Honda took a loss on each one sold here so-as-to bring their vehicle fleet gas-millage average up thereby qualifying for their highly profitable sales in the USA, and to continue with that revenue stream. Tesla, (a great product) the largest volume EV producer is about to loose their dealer-exclusive maintenance position as all their competitors don't use that strategy. Whoever can hire the tech's and fill that nitch stands to do well, assuming the psychopaths behind the world's proxy puppets don't have their tslking-heads blow-up the world first.
This is when it's good to have a subscription to Alldata, Identifix, bbbind or mitchell wiring diagrams... You can look up all of those component and connector locations.
Danner, here is how I know you are a “next level up” professional….it’s not that you just get the job done, but the manner in which you choose to do the job is as important or even more important than getting the job completed. In all you do, do it wholeheartedly unto him as an offering of worship….you live this principle man. Respect.
This comment means so much to me. Just had my wife read it too. Humbled by it. Thank you so much. To God be the glory if you see Him in me. I know for sure I don’t always show it
Love watching your very informative videos. I'm old school 63 year old mechanic and just starting to learn this stuff. You sir are a great teacher as is your brother. Love the way you get along with family. You're teaching more than just diagnostic. Well done.
This video absolutely demonstrates that one of the most important "tools" a technician needs is access to factory information on the system they are troubleshooting, not just to enable a correct diagnosis/repair but in this case also for personal safety. No matter how long you have been in the industry you will always find something new to learn.
Hey Paul, I love your videos. I’m a tech in Sudbury Ontario, a general consensus in the industry from what I have learned from other techs, is that the code “replace battery pack” is a code solely related to the battery pack. It’s noticed a cell that has had an internal failure and before the high voltage battery causes a dead short (like in a regular gas engine that would burn up an alternator) it would potentially cause a fire hazard. So I would strongly recommend a replacement battery for that vehicle. As it’s a pretty important code and we all know how batteries not in good health can cause issues. Love your content. Learn lots!
Hi Paul, once again, amazing video. The frame wire the interlock wiring diagram is referring to is the large Orange DC cable that goes into the top of the inverter. The connection at the inverter, the service plug and inverter cover have an interlock connector that open circuits when cable is disconnected or cover is removed, bringing up the P0A0 code. The interlock circuit is a high voltage check circuit, the circuit loops through the three points referred to above and if any of those points are disconnected the ECM will see an open circuit, if the vehicle is operating it may shut the system off or prevent restarting once switched off. 12v is put out by the power management ECM and so long as the circuit is complete 12v will return to the ECM. In a complete circuit 12v going out and is compared to 12v returning which produces a circuit potential difference of 0v. If the interlock circuit is opened; in your case the service plug interlock connection was open by it being pulled back and unlocked, 12v was sent out, but 0v returns to the ECM, therefore the potential difference between each side of the circuit is 12v, hence the fault description as "circuit high".
There was so much background knowledge that I needed lol, like what the hell is the service grip plug and where is it. I honestly didn't even want to bring this part of the video but Caleb convinced me to leave it in.
I love it. Paul is FINALLY so lost! Not like he can’t learn it quickly, but it’s funny to see Paul look like a deer in the headlights haha. Now Paul needs to work on a VW or BMW 🤣🤣🤣 love to see THAT frustration
@@dro2204 lost indeed! But I don't get paid anymore unless it is on film, so I'll be super careful and follow protocols but I figured, let's just learn this together, no matter how foolish I may look. At least that is what Caleb convinced me to do lol
As another old school mechanic learning so much keep up the great work all techs should know how to use a scope it shows you what is happening you can diagnose the fault I totally agree to many people just throw parts at a job just keep learning
One of the last shops I worked at had a couple techs that were trained in the hybrids and I recall one of them telling me that the water pumps always cause cooling problems that lead to faulty head gaskets. One of them even bought a Prius because their customer didn't want to spend the money on it. I'll edit this post if/when I can get a little more detail on the cause/effect. That aside, I"m glad you showed us your inexperience and a willingness to learn directly on the car. I quit the last guy I worked for after just one week because.he showed a certain inflexibility to his own inexperience. I honestly think he's going to be the first guy to try and compression test a Tesla. *Edit* I'm told that failing water pumps don't help, but head gasket failures aren't entirely tethered to water pump failures on these engines. That's all the more specific I got out of him.
This is great, I’ve worked with Prius for the past 10 years or so, found all kind of different issues with these cars, but never thought to put a scope on the pump, great explanation of the pump control and pump speed circuits, Lee up the great work
Runing out of coolant damage the pump. the impeller without water overheated and stuck. Common fault in Toyota's hybrid. You are great man. I injoy watching your videos.
Just took a battery rebuild class for hybrids! Learned a lot about working on them. Was a great class. Also bought a lot of the equipment to work on the ev/hybrid.
Total awesome video - great advice and honesty to boot. So glad to see some real techs still existing and willing to share the bumps that we all have when figuring out something new to us. This is what really helps new and old tech alike - showing us how things are in the real world and having a little fun while doing it too. Thank guys really enjoyed watching.
Part of being a tech is learning every single day on the job. Going to be interesting seeing if the head gasket is bad, it sounds like it may be from what your brother was saying about running rough after the gas engine restarts.
Awesome video! Absolutely agree with your hesitancy to work on the HV system without proper PPE, especially in front of the camera. Very responsible of you. The content that you teach in your videos goes beyond just that subject vehicle. It can be applied to just about any system that which being old or new, elec or combustion.. Doesn't matter! Solid work Danner's! Thank you!
Under the inverter plate (the 10mm bolted on) you’ll find a high amp glass fuse. The system has 2 water cooling pumps, one for the gas engine and one for the hybrid components. 2 different cooling systems. Always disconnect the orange connector at the hybrid battery before working on the hybrid system. My first mechanic job were with these Toyotas in a taxi fleet here in NYC.
probably failed inverter/motor pump, which shorted and blew a fuse in the small under hood panel, which disables the whole car instantly(driving down middle of the road in traffic ☠️). I forget the fuse number and if it's 10amp or 15amp, but it feeds that pump and part of the ecm or bcm and other circuitry. it will not power up the inverter/motor to start the ICE or do anything else but throw the big triangle of death and other I'm broken lights.
Hi Paul and all Danners, You will never know everything, this I'm sure you know, but you have the knowledge to diagnose explain to us and repair and now you know!! You are a true tech and we thank you for your sharing. A lot of people wouldn't .
Sharing is loving . You prove it a ton of times . You are at the passion level therefore your DNA doesn't have anything selfish coded in it. You do it from the heart.
Vehicle drove and overheated due to coolant pump fault, hybrid ecm shut off engine (engine does not start code) also stored hybrid codes but someone disconnected the battery interlock, if the interlock was left alone clear the codes in both modules the vehicle would of started. Great diagnostics. Your rattle at starting where it sounds like the gearbox is about to fall out is actually the egr valve sticking. You can remove the two screws take the body off and lubricant the sticking shaft pulling it in and out with a pair of pliers 💪🏼
I love how apprehensive you were to mess with the high voltage system which I totally understand if you aren’t familiar with it but I work on these daily, never worn any high voltage gloves. I wish I could have been there to point you in the right direction during that lol
Great video Paul. Once again showing the struggle of being an automotive tech today. If you don't see these cars to work on them you cant really learn. So when the oppurtunity arises grab it with both hands. Learning on the run is difficult because of customer pressures and time constraints but you show how it is done. BTW more Ruby please
Paul your videos are life indeed. Is like we are live with you. We appreciate that. We appreciate that Paul. You don't hide anything that amazed you. Mbs moshitoa (south Africa)
I’ve decided that Danner is an idol of mine, now. He runs this great garage and seems to enjoy what he does. He just seems like a genuinely great guy, much like Paul.
You can buy insulated gloves from electrical supply stores as well as the Snap-On truck. I bought a pair for the A/C three and single phase panels and equipment aboard the vessels I help repair or crew aboard. I have learned a great deal from you, as regards basic electricity. I am disappointed your customer did not place his trust in you.
Hello sir, I have been following your videos for a long time and I have benefited a lot from them. I would like to thank you for that for the Prius car. First, the main plug must be disconnected to avoid any complications during work. If you want to remove the battery, you must use it to remove the rest of the small plugs on the battery cover in relation to the code for B on the water pump, this means that the problem is in the same pump, and you can check through the engine information and compare the rotation speed of the pump with the expected speed, so that the difference does not exceed 150 revolutions, and if it is an increase, I advise changing the pump if you get a code, not “E” means that the problem is in the electrical circuit of the pump
Hey Paul, I work for Tesla as a service tech. Interesting to know that someone is actually doing the right thing by not filming dangerous acts just for the views. I always felt that working in dangerous aspects of vehicles and no one seems to care that some on in RUclips can film it.
U can totally sense his hesitation when diving into a HIGH Voltage situation! Just shows how dependable these vehicles are ! Paul see’s numerous vehicles a year, judging by his unfamiliarity says caution lesson on learning hybrid technology CAN kill u
Chrysler tech here... I have the training on the hybrid/full electric vehicles. I agree about not touching anything w/o the proper safety equipment. High voltage is not something to mess with when one knows nothing about these systems. But, that plug in the back, it is the main high voltage battery disconnect. What Danner found is the first interlock of that plug, it disconnects electrically, the rest of taking the plug out is mechanical. The orange color is only on the high voltage system. The other safety interlocks are automatic, they work when you disconnect the connectors. Btw, you don't have to put the plug in your pocket, just somewhere safe that you have absolute control over. As far as the gloves go, it's worth the investment to get them. I would recommend that you get the training, as as time goes on, you're going to see more and more of these vehicles.
Great video Paul well done. Trust me we all go through this type of learning. Hybrids are something we all need to get lessons on. Lol. Well done brother.
love your videos with the both of you, reminds me of when i was younger and i just needed a new set of thought from somebody else. then just bounce stuff of each other to narrow the problem down. this works great to find problems. i did not have another tech to talk to for most things i ran up against when i was young. took many long diag but learnt from experience. again great vid
My name's Morgan and I used to be a parts changer. Okay so I bought a 2002 q45 about 5 years ago and right away had an intermittent stall, I am still super new and learning about these issues but manage to find scannerdanners 2002 q45 video and it leads me to fixing it. FAST FORWARD TO ABOUT A YEAR AGO, I am fully hotrodding this thing but still very much an amateur. I am facing the most random intermittent issue where it feels like the throttle sticks after it's first hard acceleration, key cycling fixes it for about 5 minutes. At the time I have an oil leak into the alternator and I learn about false crank signal from failing diodes so I replace the alternator and it fixed it, car seems fine over the winter but it comes back after long drives in spring, gets back to the point of being about 10 minutes into the drive or one pull. I get NDS and confirm that something is pulling timing all the way to 0° advance, no codes. Being a parts changer and a smart ass I replace the alternator again with the original one remanufactured, instantly throws throttle body code and stalls. I replace that alternator with an OEM one, codes are gone but timing issue is back. At this point I'm almost 1500 into parts (solenoids, sensors, throttle body, 2 alternators and other crap I attempted), I watch scannerdanners Q45 video and it's like he's talking directly to me, DONT BE A PARTS CHANGER. I do my research and as I'm going through the grounds I find a split insulation on the cam sensor block ground and the copper is corroded, I clean it up and patch the wires with liquid tape and harness tape (I plan on replacing them, just waiting on double eyelets). 25 minutes into the drive and full timing, zero hiccups and other things feel smoother as well (shifts at low speed feel way better). It all comes full circle back to scannerdanner. Tl:Dr scannerdanner saved my ass and I am beyond happy.
What a freaking awesome story and compliment to me. Now let me compliment you. In every part of your story, you've never asked for my help (not that I remember?) and especially never asked for a silver bullet. You buckled down with a thirst for knowledge and made it happen yourself. I've just recently mentioned in my last video (read my pinned comment about selling diagnostic time) about the 10%? You sir ARE in the 10% Love it! Awesome to see. Thank you so much for sharing
@@ScannerDanner I was ready to put a standalone in this thing thinking it was just a weird ECU being sensitive to timing chain slop or something like that, turns out it was just a not fully grounded crank sensor. Weirdest part is the connection wasn't that corroded, which explains why it ran okay for about ten minutes but once it built up too much resistance for the ground, it started messing up the square wave. This has given me so much confidence going forward, I'm never selling this car!
I passed a place in my area that had a least 100 of these things sitting out front. Went back and found out that this is were all the taxi's were repaired. If I owned one, I'd be calling these guys.
It's funny that you've been a tech for so long and don't have much experience on these. We have TONS of Prius customers (all the Toyota and Lexus hybrids really) and quite a few Ford and Honda hybrids also. We've tackled every job under the sun on them. Usually a pretty reliable vehicle so far as we've seen. Thanks for the content Paul!
Yeah, the other thing people don't see is behind the scenes, I'm just not touching the amount of cars that I used to. Not even remotely close. So my progression in this industry is just very slow compared to former days. Doing these videos the way we do is not an easy task and it no longer pays me to fix cars unless I'm filming, so there is a HUGE change in what I can physically do. Hope that makes sense.
I do battery packs all the time on these, never once worn gloves. Disconnect the plug at the battery and wait the 10 minutes for the capacitors to discharge and you are good to go! Just make sure to snap the connector back in correctly at the end of service.
Ruby is beautiful! Wow, looks like fun working on these hybrid cars. Glad you were being safe and helping other to also be really really careful. Nice using what we have learned on circuits in past, pump can be turned on! Thanks!
FYI - On those head gaskets, I used Bars Leaks Head Seal. It is the blown head gasket repair with carbon fiber. It is around $40 a bottle. You have to just remove some coolant from the overflow tank and then dump it in. I have done 4 of them now. The oldest one was 2 years ago and they are all still running fine with no misfires. Pulling the head on one of those older ones is quite a job and will probably exceed the value of the vehicle.
My first hybrid customer was a Honda brake job. And dumb me thought I could get in pump the brake pedal and back out of the bay. Well, after a white knuckle trip in reverse into and up a chain link fence around our repair shop, I learned not to rush flat rate on these...lol
I’ve seen those electrical water pump fail and when they lockup they blow the fuse and cause a no start! Through live data you can see the water pump work there’s a rpm you can see. It’s a water pump and a rubber gasket us a vacuum fill tool put the vehicle in ready mode then run it. You can find RUclips videos on ready mode easy fix very common as well as head gasket issues. Still a good video love them all.
Ok, first I’m not a fan of electric vehicles or working on them. For one thing there is not the infrastructure to support the masses all in electric vehicles but that’s for another rant. However, there coming anyway and watching your video gives me a little better understanding of them. Very interesting video plus your interaction with your son and brother really make its human and real. You are a treasure and I hope you keep making videos for a long time to come.
I work on lot of Toyotas including Hybrid as a DIY. The Hybrid system is dangerous but for most part after you take the Hybrid out of the equation the rest is a regular Toyota engine. I got kick out seeing you guys as lost as some of us none professional techs working on regular cars. 😂. Honestly though, everytime I work in a car I learn something new.
Way to go man! You're above and beyond the mechanics here in Georgia that are scared to work on these. A few years ago I needed help with Gen 1 Insight and couldn't find any takers. In my view, that's inchoerant madness as EV's are coming in mass.
A lot of times when you have a safety interlock problem, check the large one by the HV battery. The majority of the time tow truck drivers or someone has not completely reconnected it. It has to be pushed down and slide over.
@@rexberttechnica6702 Ya, no surprise there. I shouldn't be curious as the population has been socially-engineered to (for the most part) ignore instruction manuals, owners manuals, etc like in new cars, software use agreements, and new electronics. Electronics dependance has really shortened peoples attention spans.
Hay Paul you should thank your brother for to keep pushing you to keep working on this car when you looked so scared to even to touch this car but we all know you love to learn new things to show everyone how to work on all theses new toys.
Lol..funny video , Paul you taught me a lot, but couldn't believe you guys didn't know about the main orange plug in the back. You pull that and shuts off the voltage, btw these engines are famous for head gasket issues! Replaced one of those engines a month ago and thank God everything came out great.
I've replaced hv battery's .rebuilt inverters. Replaced engines and never once wore gloves . It's normal for the it to make noise while miss firing. Head gaskets are common so is water pumps.
I hope you learn more about hybrid systems. I'm surprised you haven't worked on them before. I went through Hyundai's hybrid training when I was a dealer tech. It's an entirely different design compared to Toyota's, but I know Toyota's inside and out too. The Prius launched in 97 and came to the United States in 2000. Also, Toyota's system uses two electric motors, one big and one small, connected to the engine with a planetary gearset. The wheels and the big motor are always coupled. The high voltage system must be operational for the engine to start since the small motor is the starter/generator and can also partialy contribute to powering the wheels. It's a pretty robust system. AWD hybrid Toyota's have an electrically powered rear differential that isn't mechanically connected to the rest of the drivetrain. It's very low horsepower. Less than 50 HP if I'm remembering correctly, but that's enough to get you out the snow and mud.
You’re absolutely right danner, you need 1000v gloves to even touch the safety plug. Your brother did something super dangerous if the plug was defective he could have got 200V up his arm and thru his heart, and if you don’t got the gloves I’m definitely assuming he doesn’t have the insulated fishing pole to save someone from electric shock
@@ring-and-run yea it is how it works or why would they have so many warnings in the service information, in college we had to put pylons around the car to prevent people not wearing PPE from entering, then we don’t even touch anything orange without Class 0 gloves with the certification
Thank you Paul happy Easter oh by the way I’m getting moved to drivability my co-worker did it for 40 years decided it was time to leave I pray I do good I’ve been watching you for years before I was even a tech thank you
Those motors, like in that pump, are becoming more common and have been common in computer fans for years. Look up “4-Wire Pulse Width Modulation (PWM) Controlled Fan” for lots of write ups on how they work. The ECM simply looks to see the feedback is within some range of the command.
When you remove the pump, you can check it by twisting it with your hand. You will notice some heaviness in it, which means that it is damaged, or when you disassemble it, you can notice some black marks on the heart, which means that it is damaged.
The interlock circuit code is common on that model if owner's start fiddling with components they shouldn't be or have stored tools or luggage under the rear tray and have "caught" the plug removing items. On the smaller Prius C (Aqua JDM) It is also common to find that the owner has usually tried to jump start the vehicle themselves and gone straight to the battery under the rear seat and have removed the wrong panel or lent on it to hard pushing the connector down resulting in the same code. Either way every time the instrument cluster will illuminate BUT the READY LIGHT will NEVER come on causing confusing. Most Prius models have a jump start point in the fuse box LHS Engine bay but this MUST NEVER BE USED TO JUMP START OTHER VEHICLES !!!!!
Wow...nice work, as usual, Danner. With your advanced knowledge of electrical systems, I dare say you could sort out any problem, hybrid or not. Keep up the great work.
There is a red flip cover in the fuse box where you can get 12v or give 12v if you leave the dome light on for a week at the airport. I like you channel. I have a P 261B in the driveway right now. Your diagnosis is much quicker than what Toyota Manual suggests. What i have is intermittent so i am slow to just change the pump without further checking. It seems they will shut down with little warning at highway speed on a pump error code. Thanks
Hey GREAT to see you working on this Hybrid! I was screaming at the screen. I work on these cars all the time. You did a great work looking for the problem and playing it safe! Start selling those orange gloves.. ha ha.
COOL! Followed you ALL the way through. Great explanation on it. Too bad the customer didn't want the repair made. Possibly just used you guys to trouble shoot, then have a 'friend' do the work changing it? One never knows. No matter how complicated they try to make the design, they can still only make it 'seem' difficult, but it's not so in the end if you understand how circuits work. Thanks, great video!
I had this problem on a Aqua. I took all fuses off and Reinstall. Cleared the codes and car was in ready mode. The water pump for hybrid system was the fualt and car was going in safety mode. By removing the fuse and reinstalling it got ready for some time and again in safety mode. I replaced the pump and car was fixed
Toyota MDT for about 5 years I wish you had been on a live stream lol could have saved you some time with that service plug we see that so much it’s a two step design most people just push it in the first step an never the second after replacing parts an the car won’t start PS love your videos been watching for years have learned a lot
I remember that service switch from the ChrixFix video on replacing the hybrid battery. You pull sideways then pull that lever toward you and the service plug comes out of the battery. That’s the part you put in your pocket.
I'm facing a unique water pump issue for a Hybrid Honda Vezel, It uses the same type of pump these toyota hybrids use. And this material helps me a lot! I have a DTC report that gives out this code, and my DSO readings gives the Duty cycle given to the water pump by the ECU and the signal given by the pump to the ECU and the scanner reads the RPM, Pump is working and I squeeze the hoses I feel the vibration of the coolant going through and could actuate it with scanner and get a verification! however this problem appears to be intermittent!
I've replaced alot of engine water pumps on these, rarely every saw a head issue with them. Most of the time the big give away was the little coolant T fitting on top would melt meaning the pump was bad.
I tried it before but wasn't sure what i was looking for on the water pump and the signal output. But the ECU does a good job when it comes to calling a bad water pump.
Awesome learning video . I change a few of them , what I notice is that every one that I remove , I just try to spin the propeller and was very rough. it won't move freely compared to the new one . It's posible that the pump is not running at the correct rpm , or as you said not running at all overheating the engine and throwing the pump code .
Diagnose Dan has a series of videos a year or so back where he goes through working on EV, complete with gloves and such. For electrical gloves, you need the rubber gloves, but also the leather protector gloves. I've found Magid Glove who sell PPE equipment have decent prices and good info. The "put it in your pocket" seems like a weak lock out, tag out system. Shop probably needs to get a keyed box to put the cut out in while working on the car with the tech doing the work keeping the key.
Orange plug in the back is the main plug it disables the the whole battery back.....you have to waite about 20 minutes for the battery to power down then you can start your work
I did my 1st battery cell replacement last week. Ran into the same no start issue when I was done. My buddy had put the plug back in and didn't slide it into place. Lol. They also get really upset when the 12v battery is weak.
Hey Danner, all gen Prius have a very loud flywheel dampener when it has a misfire. That gen Prius has a real bad tendency of blowing head gaskets, I would bet if you look down the cylinders with a boroscope you'll find a leak. Easy money for your brother, done many and that is the first symptom... I'm serious I don't know of many owners of that gen that haven't had a head gasket at least once in their lifetime. Also with the first issue and the engine starting, it uses the electric motor MG1 to start the engine and MG2 to drive the car in electric or assist mode. The engine also always runs about 10 seconds after "READY" is illuminated. Another way of forcing that engine on is Emissions Mode where you force the engine to stay on throughout an entire KO cycle. The loud hum that you hear from the water pump can sometimes be mistaken for the A/C compressor that hums really loudly and is normal.
In other words, the owner came in to have a real diagnosis done, and is replacing the water pump on his own? If I were the owner, I wouldn't touch that thing with a 10-foot pole without at least a thorough research on the high voltage circuit. Did you see that red monster cable? That's no Video game... One thing is clear from the Video, it's learning time. Can you imagine working on a Tesla or any other fully electric car? Great Job on reminding shade tree mechanics and technicians on how dangerous electrical vehicles can be!
-P.S…. I want my Scanner Danner protective gloves! Hahahahaha. And Caleb jabbing you again about the airbags….never gets old! Hahahaha. You guys are my kinda crew.
The heavy orange cable apparently has a protective sheath with a ref signal running along it so if the cable is damaged it will prevent the system from turning on , Interlock circuit open or Interlock circuit short to ground (I believe) are the codes to be aware of.
Phenomenal video !! love the approach and honesty throughout !! And I wouldn't mind a bite of that sandwich 🥪 😁 We are heading into electric vehicles as a main supply of repairs * California is pushing new law banning gas vehicles in 2035. * also banning gas mowers , blowers, and weed eaters obviously there will still be the older ones on the road but its a phase out and eventually will be nation wide excellent time to jump into that sector Thanks Caleb for the awesome work !! and what a sweet Boxer !!
Just had a guy comment in this video about me no knowing what I'm doing and that I shouldn't be practicing on someone elses car smh. I should have just replied with your user name 🤣🤣
In UK 🇬🇧 there’s many training Hybrid and HV car level 2 to Level 5 as Master , you do it on Boot Camp takes one week theory and practice ! With PTO clothes .
![Toyota Camry - Intermittent No Start, Backfiring, Runs Good When it Starts [Part 1]](http://i.ytimg.com/vi/Tro9M12LoQw/mqdefault.jpg)
If you want to know how to test an electric water pump on a Prius, this video is for you! As far as the no start with the gas engine goes, you can learn from my ignorance about this hybrid system and use my pain for your gain 😂
@ScannerDanner
I've got 2ea 2001 Honda gen-1 Insights (1's a parts car) and it's been an interesting learning and parts getting process. It's a bit different design than the Toyota. Getting into the HV components in the back (battery and HV controller) my hat's off to the Japanese engineering team. The designs and functionality relationships, even at 21 years old (closer to aerospace than automotive) are exquisite!
@@LtBRS exquisite is the right word and it is amazing technology
@@ScannerDanner
There's an interesting political history behind the gen-1 insights. Honda took a loss on each one sold here so-as-to bring their vehicle fleet gas-millage average up thereby qualifying for their highly profitable sales in the USA, and to continue with that revenue stream.
Tesla, (a great product) the largest volume EV producer is about to loose their dealer-exclusive maintenance position as all their competitors don't use that strategy. Whoever can hire the tech's and fill that nitch stands to do well, assuming the psychopaths behind the world's proxy puppets don't have their tslking-heads blow-up the world first.
Check out the WeberAuto channel here on RUclips for some great content on Priuses and hybrids in general
This is when it's good to have a subscription to Alldata, Identifix, bbbind or mitchell wiring diagrams... You can look up all of those component and connector locations.
Danner, here is how I know you are a “next level up” professional….it’s not that you just get the job done, but the manner in which you choose to do the job is as important or even more important than getting the job completed. In all you do, do it wholeheartedly unto him as an offering of worship….you live this principle man. Respect.
This comment means so much to me. Just had my wife read it too. Humbled by it. Thank you so much. To God be the glory if you see Him in me. I know for sure I don’t always show it
Love watching your very informative videos. I'm old school 63 year old mechanic and just starting to learn this stuff. You sir are a great teacher as is your brother. Love the way you get along with family. You're teaching more than just diagnostic. Well done.
Thank you Bill
This video absolutely demonstrates that one of the most important "tools" a technician needs is access to factory information on the system they are troubleshooting, not just to enable a correct diagnosis/repair but in this case also for personal safety. No matter how long you have been in the industry you will always find something new to learn.
Hey Paul, I love your videos. I’m a tech in Sudbury Ontario, a general consensus in the industry from what I have learned from other techs, is that the code “replace battery pack” is a code solely related to the battery pack. It’s noticed a cell that has had an internal failure and before the high voltage battery causes a dead short (like in a regular gas engine that would burn up an alternator) it would potentially cause a fire hazard.
So I would strongly recommend a replacement battery for that vehicle. As it’s a pretty important code and we all know how batteries not in good health can cause issues.
Love your content. Learn lots!
Hi Paul, once again, amazing video. The frame wire the interlock wiring diagram is referring to is the large Orange DC cable that goes into the top of the inverter. The connection at the inverter, the service plug and inverter cover have an interlock connector that open circuits when cable is disconnected or cover is removed, bringing up the P0A0 code. The interlock circuit is a high voltage check circuit, the circuit loops through the three points referred to above and if any of those points are disconnected the ECM will see an open circuit, if the vehicle is operating it may shut the system off or prevent restarting once switched off. 12v is put out by the power management ECM and so long as the circuit is complete 12v will return to the ECM. In a complete circuit 12v going out and is compared to 12v returning which produces a circuit potential difference of 0v. If the interlock circuit is opened; in your case the service plug interlock connection was open by it being pulled back and unlocked, 12v was sent out, but 0v returns to the ECM, therefore the potential difference between each side of the circuit is 12v, hence the fault description as "circuit high".
Awesome information , thanks for sharing.
As a Toyota Tech. This was very entertaining to watch. Great content as always!
There was so much background knowledge that I needed lol, like what the hell is the service grip plug and where is it. I honestly didn't even want to bring this part of the video but Caleb convinced me to leave it in.
Agreed
I love it. Paul is FINALLY so lost! Not like he can’t learn it quickly, but it’s funny to see Paul look like a deer in the headlights haha. Now Paul needs to work on a VW or BMW 🤣🤣🤣 love to see THAT frustration
@@dro2204 lost indeed! But I don't get paid anymore unless it is on film, so I'll be super careful and follow protocols but I figured, let's just learn this together, no matter how foolish I may look. At least that is what Caleb convinced me to do lol
@@ScannerDanner Right decision! NON of us are perfect! :)
As another old school mechanic learning so much keep up the great work all techs should know how to use a scope it shows you what is happening you can diagnose the fault I totally agree to many people just throw parts at a job just keep learning
One of the last shops I worked at had a couple techs that were trained in the hybrids and I recall one of them telling me that the water pumps always cause cooling problems that lead to faulty head gaskets. One of them even bought a Prius because their customer didn't want to spend the money on it. I'll edit this post if/when I can get a little more detail on the cause/effect.
That aside, I"m glad you showed us your inexperience and a willingness to learn directly on the car. I quit the last guy I worked for after just one week because.he showed a certain inflexibility to his own inexperience. I honestly think he's going to be the first guy to try and compression test a Tesla.
*Edit* I'm told that failing water pumps don't help, but head gasket failures aren't entirely tethered to water pump failures on these engines. That's all the more specific I got out of him.
Thank you, really appreciate this comment
This is great, I’ve worked with Prius for the past 10 years or so, found all kind of different issues with these cars, but never thought to put a scope on the pump, great explanation of the pump control and pump speed circuits, Lee up the great work
Runing out of coolant damage the pump. the impeller without water overheated and stuck. Common fault in Toyota's hybrid.
You are great man. I injoy watching your videos.
Just took a battery rebuild class for hybrids! Learned a lot about working on them. Was a great class. Also bought a lot of the equipment to work on the ev/hybrid.
Nice Mike! Great to hear from you too
Total awesome video - great advice and honesty to boot. So glad to see some real techs still existing and willing to share the bumps that we all have when figuring out something new to us. This is what really helps new and old tech alike - showing us how things are in the real world and having a little fun while doing it too. Thank guys really enjoyed watching.
Part of being a tech is learning every single day on the job. Going to be interesting seeing if the head gasket is bad, it sounds like it may be from what your brother was saying about running rough after the gas engine restarts.
Thanks a lot Paul, you are a honest person and we always learn a lot with your videos.
I love using the testing methods you teach and showing my co-workers as well. 👍🔥🔥🔥
Thank you Kevin!
Awesome video! Absolutely agree with your hesitancy to work on the HV system without proper PPE, especially in front of the camera. Very responsible of you.
The content that you teach in your videos goes beyond just that subject vehicle. It can be applied to just about any system that which being old or new, elec or combustion.. Doesn't matter! Solid work Danner's!
Thank you!
Thank you so much for this comment
Under the inverter plate (the 10mm bolted on) you’ll find a high amp glass fuse. The system has 2 water cooling pumps, one for the gas engine and one for the hybrid components. 2 different cooling systems. Always disconnect the orange connector at the hybrid battery before working on the hybrid system. My first mechanic job were with these Toyotas in a taxi fleet here in NYC.
Is that glass fuse what they consider one of the 3 safety "switches" ?
@@ScannerDanner I believe so because that’s all that it has as far as maintenance goes. Keep up the great work you do.
probably failed inverter/motor pump, which shorted and blew a fuse in the small under hood panel, which disables the whole car instantly(driving down middle of the road in traffic ☠️).
I forget the fuse number and if it's 10amp or 15amp, but it feeds that pump and part of the ecm or bcm and other circuitry.
it will not power up the inverter/motor to start the ICE or do anything else but throw the big triangle of death and other I'm broken lights.
@@throttlebottle5906 "Big Triangle of Death". Cool Description 😎
Love it😍
Thanks for doing a Hybrid, these things are absolute art of engineering👍
Special Thanks to James & Caleb Danner😍
You Rock Guy's, Stay Safe❤
Hi Paul and all Danners, You will never know everything, this I'm sure you know, but you have the knowledge to diagnose explain to us and repair and now you know!! You are a true tech and we thank you for your sharing. A lot of people wouldn't .
I think it was nice to see you two interact with a customer and how to properly explain what is going on with their vehicle
Sharing is loving . You prove it a ton of times . You are at the passion level therefore your DNA doesn't have anything selfish coded in it. You do it from the heart.
Now everything makes sense after being part of the SD community. I salute my instructor Señor Danner.👍🏼
Thank you Rafael! You understood the pull-up and pull-down tests then?
Vehicle drove and overheated due to coolant pump fault, hybrid ecm shut off engine (engine does not start code) also stored hybrid codes but someone disconnected the battery interlock, if the interlock was left alone clear the codes in both modules the vehicle would of started. Great diagnostics.
Your rattle at starting where it sounds like the gearbox is about to fall out is actually the egr valve sticking. You can remove the two screws take the body off and lubricant the sticking shaft pulling it in and out with a pair of pliers 💪🏼
Thanks for the information! And the comment
I love how apprehensive you were to mess with the high voltage system which I totally understand if you aren’t familiar with it but I work on these daily, never worn any high voltage gloves. I wish I could have been there to point you in the right direction during that lol
For sure and that hesitancy was greatly amplified by the camera! 🙂
Safety First SD. Nothing wrong with that. That way you can "Live and Learn".
Great video Paul. Once again showing the struggle of being an automotive tech today. If you don't see these cars to work on them you cant really learn. So when the oppurtunity arises grab it with both hands. Learning on the run is difficult because of customer pressures and time constraints but you show how it is done. BTW more Ruby please
Paul your videos are life indeed. Is like we are live with you. We appreciate that. We appreciate that Paul.
You don't hide anything that amazed you.
Mbs moshitoa (south Africa)
I’ve decided that Danner is an idol of mine, now. He runs this great garage and seems to enjoy what he does. He just seems like a genuinely great guy, much like Paul.
He is! And he is waaay more mello than me. Im kinda high strung a bit sometimes 😅
You can buy insulated gloves from electrical supply stores as well as the Snap-On truck. I bought a pair for the A/C three and single phase panels and equipment aboard the vessels I help repair or crew aboard. I have learned a great deal from you, as regards basic electricity. I am disappointed your customer did not place his trust in you.
Hello sir, I have been following your videos for a long time and I have benefited a lot from them. I would like to thank you for that for the Prius car. First, the main plug must be disconnected to avoid any complications during work. If you want to remove the battery, you must use it to remove the rest of the small plugs on the battery cover in relation to the code for B on the water pump, this means that the problem is in the same pump, and you can check through the engine information and compare the rotation speed of the pump with the expected speed, so that the difference does not exceed 150 revolutions, and if it is an increase, I advise changing the pump if you get a code, not “E” means that the problem is in the electrical circuit of the pump
It's always a blessing to hear from you Mr Danner .
Hey Paul, I work for Tesla as a service tech. Interesting to know that someone is actually doing the right thing by not filming dangerous acts just for the views. I always felt that working in dangerous aspects of vehicles and no one seems to care that some on in RUclips can film it.
I've been taking some Hybrid and EV classes recently and I'm definitely more prepared for next time :-) Thanks for the comment
As a hybrid tech, this is one of the best video that got me crack up 🤣.....
😄 learning as I go, and I don't "go" unless I'm filming these days, so everyone gets to just see me looking stupid. But I'm okay with that 🤔
Definitely fundamental is key to troubleshoot any electrical problem. Thanks again Paul. God bless you!
U can totally sense his hesitation when diving into a HIGH Voltage situation! Just shows how dependable these vehicles are ! Paul see’s numerous vehicles a year, judging by his unfamiliarity says caution lesson on learning hybrid technology CAN kill u
This guy is legit . One of the best .
Chrysler tech here... I have the training on the hybrid/full electric vehicles. I agree about not touching anything w/o the proper safety equipment. High voltage is not something to mess with when one knows nothing about these systems. But, that plug in the back, it is the main high voltage battery disconnect. What Danner found is the first interlock of that plug, it disconnects electrically, the rest of taking the plug out is mechanical. The orange color is only on the high voltage system. The other safety interlocks are automatic, they work when you disconnect the connectors. Btw, you don't have to put the plug in your pocket, just somewhere safe that you have absolute control over. As far as the gloves go, it's worth the investment to get them. I would recommend that you get the training, as as time goes on, you're going to see more and more of these vehicles.
Paul asking questions and Danny walking by with a kickass sandwich!! Love listening to you work/think through this process.
Blessed to work with my brother for sure. And my son of course!
Great video Paul well done. Trust me we all go through this type of learning. Hybrids are something we all need to get lessons on. Lol. Well done brother.
love your videos with the both of you, reminds me of when i was younger and i just needed a new set of thought from somebody else. then just bounce stuff of each other to narrow the problem down. this works great to find problems. i did not have another tech to talk to for most things i ran up against when i was young. took many long diag but learnt from experience. again great vid
Thank you! Blessed to work with my brother and then have my son record everything and be my editor. Extremely blessed
Great to see one family learning and laughing and I learning also great.
My name's Morgan and I used to be a parts changer.
Okay so I bought a 2002 q45 about 5 years ago and right away had an intermittent stall, I am still super new and learning about these issues but manage to find scannerdanners 2002 q45 video and it leads me to fixing it. FAST FORWARD TO ABOUT A YEAR AGO, I am fully hotrodding this thing but still very much an amateur. I am facing the most random intermittent issue where it feels like the throttle sticks after it's first hard acceleration, key cycling fixes it for about 5 minutes. At the time I have an oil leak into the alternator and I learn about false crank signal from failing diodes so I replace the alternator and it fixed it, car seems fine over the winter but it comes back after long drives in spring, gets back to the point of being about 10 minutes into the drive or one pull. I get NDS and confirm that something is pulling timing all the way to 0° advance, no codes. Being a parts changer and a smart ass I replace the alternator again with the original one remanufactured, instantly throws throttle body code and stalls. I replace that alternator with an OEM one, codes are gone but timing issue is back.
At this point I'm almost 1500 into parts (solenoids, sensors, throttle body, 2 alternators and other crap I attempted), I watch scannerdanners Q45 video and it's like he's talking directly to me, DONT BE A PARTS CHANGER. I do my research and as I'm going through the grounds I find a split insulation on the cam sensor block ground and the copper is corroded, I clean it up and patch the wires with liquid tape and harness tape (I plan on replacing them, just waiting on double eyelets). 25 minutes into the drive and full timing, zero hiccups and other things feel smoother as well (shifts at low speed feel way better).
It all comes full circle back to scannerdanner.
Tl:Dr scannerdanner saved my ass and I am beyond happy.
What a freaking awesome story and compliment to me. Now let me compliment you. In every part of your story, you've never asked for my help (not that I remember?) and especially never asked for a silver bullet. You buckled down with a thirst for knowledge and made it happen yourself. I've just recently mentioned in my last video (read my pinned comment about selling diagnostic time) about the 10%? You sir ARE in the 10%
Love it! Awesome to see. Thank you so much for sharing
@@ScannerDanner I was ready to put a standalone in this thing thinking it was just a weird ECU being sensitive to timing chain slop or something like that, turns out it was just a not fully grounded crank sensor.
Weirdest part is the connection wasn't that corroded, which explains why it ran okay for about ten minutes but once it built up too much resistance for the ground, it started messing up the square wave. This has given me so much confidence going forward, I'm never selling this car!
I passed a place in my area that had a least 100 of these things sitting out front. Went back and found out that this is were all the taxi's were
repaired. If I owned one, I'd be calling these guys.
It's funny that you've been a tech for so long and don't have much experience on these. We have TONS of Prius customers (all the Toyota and Lexus hybrids really) and quite a few Ford and Honda hybrids also. We've tackled every job under the sun on them. Usually a pretty reliable vehicle so far as we've seen. Thanks for the content Paul!
Yeah, the other thing people don't see is behind the scenes, I'm just not touching the amount of cars that I used to. Not even remotely close. So my progression in this industry is just very slow compared to former days.
Doing these videos the way we do is not an easy task and it no longer pays me to fix cars unless I'm filming, so there is a HUGE change in what I can physically do.
Hope that makes sense.
I do battery packs all the time on these, never once worn gloves. Disconnect the plug at the battery and wait the 10 minutes for the capacitors to discharge and you are good to go! Just make sure to snap the connector back in correctly at the end of service.
Ruby is beautiful! Wow, looks like fun working on these hybrid cars. Glad you were being safe and helping other to also be really really careful. Nice using what we have learned on circuits in past, pump can be turned on! Thanks!
FYI - On those head gaskets, I used Bars Leaks Head Seal. It is the blown head gasket repair with carbon fiber. It is around $40 a bottle. You have to just remove some coolant from the overflow tank and then dump it in. I have done 4 of them now. The oldest one was 2 years ago and they are all still running fine with no misfires. Pulling the head on one of those older ones is quite a job and will probably exceed the value of the vehicle.
My first hybrid customer was a Honda brake job.
And dumb me thought I could get in pump the brake pedal and back out of the bay.
Well, after a white knuckle trip in reverse into and up a chain link fence around our repair shop, I learned not to rush flat rate on these...lol
Guess it’s time for some hybrid gloves and some rubber insulated tools :) love the content keep it coming
I’ve seen those electrical water pump fail and when they lockup they blow the fuse and cause a no start! Through live data you can see the water pump work there’s a rpm you can see. It’s a water pump and a rubber gasket us a vacuum fill tool put the vehicle in ready mode then run it. You can find RUclips videos on ready mode easy fix very common as well as head gasket issues. Still a good video love them all.
Ok, first I’m not a fan of electric vehicles or working on them. For one thing there is not the infrastructure to support the masses all in electric vehicles but that’s for another rant. However, there coming anyway and watching your video gives me a little better understanding of them. Very interesting video plus your interaction with your son and brother really make its human and real. You are a treasure and I hope you keep making videos for a long time to come.
Thank you my friend. Nice comment. Made me smile
Great video Danner. If anyone says they know everything they will be lying. You have my love and Respect
I work on lot of Toyotas including Hybrid as a DIY. The Hybrid system is dangerous but for most part after you take the Hybrid out of the equation the rest is a regular Toyota engine. I got kick out seeing you guys as lost as some of us none professional techs working on regular cars. 😂. Honestly though, everytime I work in a car I learn something new.
Way to go man! You're above and beyond the mechanics here in Georgia that are scared to work on these. A few years ago I needed help with Gen 1 Insight and couldn't find any takers. In my view, that's inchoerant madness as EV's are coming in mass.
I’m from Georgia and we are not scared! Just a car at the end if the day.
A lot of times when you have a safety interlock problem, check the large one by the HV battery. The majority of the time tow truck drivers or someone has not completely reconnected it. It has to be pushed down and slide over.
@@rexberttechnica6702
I'm just curious. Is that covered in the Toyota's owner's manual?
More so in service data however, there is a free website posted for first responders which anyone can view which shows safety precautions.
@@rexberttechnica6702
Ya, no surprise there. I shouldn't be curious as the population has been socially-engineered to (for the most part) ignore instruction manuals, owners manuals, etc like in new cars, software use agreements, and new electronics. Electronics dependance has really shortened peoples attention spans.
Hay Paul you should thank your brother for to keep pushing you to keep working on this car when you looked so scared to even to touch this car but we all know you love to learn new things to show everyone how to work on all theses new toys.
Lol..funny video , Paul you taught me a lot, but couldn't believe you guys didn't know about the main orange plug in the back. You pull that and shuts off the voltage, btw these engines are famous for head gasket issues! Replaced one of those engines a month ago and thank God everything came out great.
First time working on one 🙂
I've replaced hv battery's .rebuilt inverters. Replaced engines and never once wore gloves . It's normal for the it to make noise while miss firing. Head gaskets are common so is water pumps.
This same thing happened to me after a engine swap took 2 monthes to figure out. awesome 👍
I hope you learn more about hybrid systems. I'm surprised you haven't worked on them before. I went through Hyundai's hybrid training when I was a dealer tech. It's an entirely different design compared to Toyota's, but I know Toyota's inside and out too.
The Prius launched in 97 and came to the United States in 2000. Also, Toyota's system uses two electric motors, one big and one small, connected to the engine with a planetary gearset. The wheels and the big motor are always coupled. The high voltage system must be operational for the engine to start since the small motor is the starter/generator and can also partialy contribute to powering the wheels. It's a pretty robust system. AWD hybrid Toyota's have an electrically powered rear differential that isn't mechanically connected to the rest of the drivetrain. It's very low horsepower. Less than 50 HP if I'm remembering correctly, but that's enough to get you out the snow and mud.
Definitely need a basic class to get me up to speed. Just never cared before because we never see them. Guess it's finally time lol
The combination of you and your bro is amazing. Blessings to yall.💯👊💪🙏🤝coming from T&T.
You’re absolutely right danner, you need 1000v gloves to even touch the safety plug. Your brother did something super dangerous if the plug was defective he could have got 200V up his arm and thru his heart, and if you don’t got the gloves I’m definitely assuming he doesn’t have the insulated fishing pole to save someone from electric shock
Not how this works. Sheesh.
@@ring-and-run yea it is how it works or why would they have so many warnings in the service information, in college we had to put pylons around the car to prevent people not wearing PPE from entering, then we don’t even touch anything orange without Class 0 gloves with the certification
Thank you Paul happy Easter oh by the way I’m getting moved to drivability my co-worker did it for 40 years decided it was time to leave I pray I do good I’ve been watching you for years before I was even a tech thank you
You're ready my friend!
Awesome video. Never worked on a hybrid!!!!. Great troubleshooting Paul Danner.
Those motors, like in that pump, are becoming more common and have been common in computer fans for years. Look up “4-Wire Pulse Width Modulation (PWM) Controlled Fan” for lots of write ups on how they work. The ECM simply looks to see the feedback is within some range of the command.
When you remove the pump, you can check it by twisting it with your hand. You will notice some heaviness in it, which means that it is damaged, or when you disassemble it, you can notice some black marks on the heart, which means that it is damaged.
I have the same code on my 2010 Prius. You cleared up some questions I had, Thank you 😊
The interlock circuit code is common on that model if owner's start fiddling with components they shouldn't be or have stored tools or luggage under the rear tray and have "caught" the plug removing items. On the smaller Prius C (Aqua JDM) It is also common to find that the owner has usually tried to jump start the vehicle themselves and gone straight to the battery under the rear seat and have removed the wrong panel or lent on it to hard pushing the connector down resulting in the same code. Either way every time the instrument cluster will illuminate BUT the READY LIGHT will NEVER come on causing confusing. Most Prius models have a jump start point in the fuse box LHS Engine bay but this MUST NEVER BE USED TO JUMP START OTHER VEHICLES !!!!!
Wow...nice work, as usual, Danner. With your advanced knowledge of electrical systems, I dare say you could sort out any problem, hybrid or not. Keep up the great work.
Thank you Stephen!
There is a red flip cover in the fuse box where you can get 12v or give 12v if you leave the dome light on for a week at the airport. I like you channel. I have a P 261B in the driveway right now. Your diagnosis is much quicker than what Toyota Manual suggests. What i have is intermittent so i am slow to just change the pump without further checking. It seems they will shut down with little warning at highway speed on a pump error code. Thanks
Hey GREAT to see you working on this Hybrid! I was screaming at the screen. I work on these cars all the time. You did a great work looking for the problem and playing it safe! Start selling those orange gloves.. ha ha.
COOL! Followed you ALL the way through. Great explanation on it. Too bad the customer didn't want the repair made. Possibly just used you guys to trouble shoot, then have a 'friend' do the work changing it? One never knows. No matter how complicated they try to make the design, they can still only make it 'seem' difficult, but it's not so in the end if you understand how circuits work. Thanks, great video!
Awesome Randy! I knew some of you would like the pull-up and pull-down stuff. Appreciate this comment
Thank you for this video Paul.
Awesome video Paul Danner. Your the best.
I had this problem on a Aqua. I took all fuses off and Reinstall. Cleared the codes and car was in ready mode. The water pump for hybrid system was the fualt and car was going in safety mode. By removing the fuse and reinstalling it got ready for some time and again in safety mode. I replaced the pump and car was fixed
Toyota MDT for about 5 years I wish you had been on a live stream lol could have saved you some time with that service plug we see that so much it’s a two step design most people just push it in the first step an never the second after replacing parts an the car won’t start PS love your videos been watching for years have learned a lot
I remember that service switch from the ChrixFix video on replacing the hybrid battery. You pull sideways then pull that lever toward you and the service plug comes out of the battery. That’s the part you put in your pocket.
Thanks for sharing I’m always learning from you!! Keep it up 👍🏽
I'm facing a unique water pump issue for a Hybrid Honda Vezel, It uses the same type of pump these toyota hybrids use. And this material helps me a lot! I have a DTC report that gives out this code, and my DSO readings gives the Duty cycle given to the water pump by the ECU and the signal given by the pump to the ECU and the scanner reads the RPM, Pump is working and I squeeze the hoses I feel the vibration of the coolant going through and could actuate it with scanner and get a verification! however this problem appears to be intermittent!
Howdy Paul. Hope all is well with you. Best wishes for you and your family. God bless
thank you Javier!
I've replaced alot of engine water pumps on these, rarely every saw a head issue with them. Most of the time the big give away was the little coolant T fitting on top would melt meaning the pump was bad.
It was an amazing video. Thank you for sharing your knowledge with us.
Nice work Danner ,we'll never know who turned off the HV battery in the back .
I tried it before but wasn't sure what i was looking for on the water pump and the signal output. But the ECU does a good job when it comes to calling a bad water pump.
Awesome learning video . I change a few of them , what I notice is that every one that I remove , I just try to spin the propeller and was very rough. it won't move freely compared to the new one . It's posible that the pump is not running at the correct rpm , or as you said not running at all overheating the engine and throwing the pump code .
Thank you we learn every time!!
I love the shenanigans between the seriousness........ LOL
Great content as usual!
I work at Volvo in Holland, 80% of the cars I work on are Hybrid or fully Electric nowadays!
Diagnose Dan has a series of videos a year or so back where he goes through working on EV, complete with gloves and such.
For electrical gloves, you need the rubber gloves, but also the leather protector gloves. I've found Magid Glove who sell PPE equipment have decent prices and good info.
The "put it in your pocket" seems like a weak lock out, tag out system. Shop probably needs to get a keyed box to put the cut out in while working on the car with the tech doing the work keeping the key.
Orange plug in the back is the main plug it disables the the whole battery back.....you have to waite about 20 minutes for the battery to power down then you can start your work
The battery pack doesn’t “power down”
I did my 1st battery cell replacement last week. Ran into the same no start issue when I was done. My buddy had put the plug back in and didn't slide it into place. Lol. They also get really upset when the 12v battery is weak.
Good job Bato!!!!
Hey Danner, all gen Prius have a very loud flywheel dampener when it has a misfire. That gen Prius has a real bad tendency of blowing head gaskets, I would bet if you look down the cylinders with a boroscope you'll find a leak. Easy money for your brother, done many and that is the first symptom... I'm serious I don't know of many owners of that gen that haven't had a head gasket at least once in their lifetime. Also with the first issue and the engine starting, it uses the electric motor MG1 to start the engine and MG2 to drive the car in electric or assist mode. The engine also always runs about 10 seconds after "READY" is illuminated. Another way of forcing that engine on is Emissions Mode where you force the engine to stay on throughout an entire KO cycle. The loud hum that you hear from the water pump can sometimes be mistaken for the A/C compressor that hums really loudly and is normal.
In other words, the owner came in to have a real diagnosis done, and is replacing the water pump on his own?
If I were the owner, I wouldn't touch that thing with a 10-foot pole without at least a thorough research on the high voltage circuit. Did you see that red monster cable? That's no Video game...
One thing is clear from the Video, it's learning time. Can you imagine working on a Tesla or any other fully electric car? Great Job on reminding shade tree mechanics and technicians on how dangerous electrical vehicles can be!
-P.S…. I want my Scanner Danner protective gloves! Hahahahaha. And Caleb jabbing you again about the airbags….never gets old! Hahahaha. You guys are my kinda crew.
Thank you TJ
The heavy orange cable apparently has a protective sheath with a ref signal running along it so if the cable is damaged it will prevent the system from turning on , Interlock circuit open or Interlock circuit short to ground (I believe) are the codes to be aware of.
Phenomenal video !!
love the approach and honesty throughout !!
And I wouldn't mind a bite of that sandwich 🥪 😁
We are heading into electric vehicles as a main supply of repairs
* California is pushing new law banning gas vehicles in 2035.
* also banning gas mowers , blowers, and weed eaters
obviously there will still be the older ones on the road but its a phase out and eventually will be nation wide
excellent time to jump into that sector
Thanks Caleb for the awesome work !!
and what a sweet Boxer !!
Just had a guy comment in this video about me no knowing what I'm doing and that I shouldn't be practicing on someone elses car smh. I should have just replied with your user name 🤣🤣
@@ScannerDanner 😂🤣
he probably wears a special hat 🪖 to every meal
he should invest in chin protection now 🤣😂
You can charge the battery by putting it in drive and press down on the brake and the accelerator self re genaerates
In UK 🇬🇧 there’s many training Hybrid and HV car level 2 to Level 5 as Master , you do it on Boot Camp takes one week theory and practice ! With PTO clothes .
Very useful video. Thank you.