Don't use a multimeter like this!

2023 ж. 9 Қаң.
278 243 Рет қаралды

In this video we diagnose a Peugeot 107 (Toyota Aygo / Citroen c1)
with a b2799 Immo faultcode. (crank no start)
We learn that a continuity test isn't always the best test.....
For the Topdon tool used in the
video:
www.topdon.us/discount/DIAGNO... the price of Phoenix Max will be 10% OFF by clicking the US link
European contact: oscar@topdon.com
Uk :
www.diagnosticconnections.co....
For business inquiries ( not for technical questions); Diagnosedan@gmail.com

Пікірлер
  • Dan, you make diagnosis seem so easy. The sign of a true professional! Brilliant video!

    @paulburroughs1313@paulburroughs1313 Жыл бұрын
    • Thank you for your comment

      @Diagnosedan@Diagnosedan Жыл бұрын
    • @@Diagnosedan so did this customer pay for the other garage incompetency.

      @mattlawton4715@mattlawton4715 Жыл бұрын
  • It is such a learning experience when you watch Dan. Makes you WANT to trace an electrical fault

    @marksantos2276@marksantos2276 Жыл бұрын
  • I haven't seen anybody to diagnose a car like you. you are in a different league, and thank you for your time to film and post them for us 👏👏👏👏👏👍

    @andonsterjo6973@andonsterjo6973 Жыл бұрын
    • Wow! Thanks that really means a lot!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Great job Dan ....a really good lesson for any mechanic or do it yourselfer to learn ....and then the follow-up with the actual culprit responsible for the short !

    @d.a.2742@d.a.2742 Жыл бұрын
    • I couldn't end the video without showing that!

      @Diagnosedan@Diagnosedan Жыл бұрын
    • Next week it is back when they still can't find the short in the junction box. Complete with spare junction box. I was wondering if they wanted it back to reassemble the mess themselves. I hate dashboard nuts, getting them off is bad, getting them on the studs is a nightmare.

      @robertsmith2956@robertsmith2956 Жыл бұрын
    • @@Diagnosedan Imagine that customer has to pay hundreds of euros for this, only to find out it was a connector bent open touching the ground. He'll still get it cheap. I got my piston 2 melted somehow, piston rings are visible from top (or at least the fire ring) and that will cost me a new engine. and a few thousand euro. (I've got the news yesterday, Friday 13. What a day that was...) PS: Great diagnosis Dan. I love your way of thinking "outside the box"!

      @Ygr3ku@Ygr3ku Жыл бұрын
    • Never too old to learn. Great quality. Thank you for sharing your knowledge.

      @highlandminger4009@highlandminger4009 Жыл бұрын
    • Hi Think someone is using your channel to invite your viewers on telegram

      @fuzzs8970@fuzzs8970 Жыл бұрын
  • It's really great to see someone at work who actually knows what they're doing, every time I take my car to a shop 9/10 times I can be sure nobody knows and nobody cares and just start replacing random parts.

    @tom53332@tom53332 Жыл бұрын
    • Unfortunately we also see that alot, but there are also alot of fantastic workshops out there with amazing techs.

      @Diagnosedan@Diagnosedan Жыл бұрын
    • @@Diagnosedan what’s the name of music at 00:51?

      @zeroalcohol@zeroalcohol Жыл бұрын
    • @@Diagnosedan I am getting messages from you for winning a prize, is the you or a scam?

      @thetraindriver01@thetraindriver01 Жыл бұрын
    • @@thetraindriver01 It'a a scam, to verify click on the person sending you messages profile and you will probably see an empty profile.

      @funnycompilations3396@funnycompilations3396 Жыл бұрын
    • Yes true most mechanics are people who didn't make it through school so that's why they are mechanics and don't care. Not all tho this guy is great. 👍

      @mattlawton4715@mattlawton4715 Жыл бұрын
  • If you check any signal path, always check for connection to ground or positive. After the connection check. Would have saved a lot of time and work.

    @larsbr4519@larsbr4519 Жыл бұрын
    • Absolutely, video should be titled I fucked up didn’t do 3 step continuity test spent hours when a minute was all that was needed 😂

      @madds6678@madds6678 Жыл бұрын
    • That's right! 👍💪

      @Diagnosedan@Diagnosedan Жыл бұрын
  • I’m having trouble trying to figure out why D. Dan only has two hundred and some subs…..COME ON PEOPLE THIS IS THE VERY TOP TIER IN AUTOMOTIVE DIAGNOSTIC VIDEOS…Diag Dan deserves a lot more support from you hundreds of thousands of viewers….that said! Another great video lesson. I’ve been doing this 35+ years and STILL learning especially with DIAGNOSIS DAN…Thanks again man….

    @dmurf4156@dmurf41568 күн бұрын
  • Very impressive!!! I am a former industrial technician, and I can't tell you how many times my coworkers missed a problem because they were in the habit of testing everything with ground as a reference. On ungrounded systems, they were lost. In this case, testing to ground was the best path, and you took it to the next level. It goes to show that you have to be open to testing things in more than one way!

    @dustcommander100@dustcommander100 Жыл бұрын
  • Again great job Dan. There are many KZheadrs that do repair videos. What sets you apart from them is your crystal clear focused approach. I think mechanics work is very diverse. One time you have to use brute force to install a steering knuckle to a shock absorber. And the other time you need the inspect your work with a magnifying glas. I really think the previous mechanic should have done that.

    @SE45CX@SE45CX Жыл бұрын
    • A lot depends upon the electrical diagnosis experience of the previous tech. Dan came through. I'm glad the customer did not ask for new wires to be run and the problem would not have been found... we'd not have a great video experience!

      @jeffryblackmon4846@jeffryblackmon4846 Жыл бұрын
    • The Automotive repair industry changed alot! Todays techs need to be experts in Software, telephones, navigation, bluetooth, apps, internet, ect...

      @Diagnosedan@Diagnosedan Жыл бұрын
    • @@Diagnosedan I'm a DIY mechanic and I have an aversion against the abundance of software in modern cars. I believe it's designed to break down on you after the dealers warranty expires to have you buy another car. So I prefer to work on my two 90s cars where I have full documentation on in books.

      @SE45CX@SE45CX Жыл бұрын
    • @@SE45CX that’s why the old cars are so expensive, now: everyone had that same idea.

      @Ilovetittiesandbeer@Ilovetittiesandbeer Жыл бұрын
    • @@SE45CX Software is fine so long as you get the software to fix and replace, just like any other part. The problem is the keys and the proprietary control which is so much easier to lock down with software so car companies have been taking advantage. I'm about to retire my entirely mechanical 25-year old van and yeah I'm not very keen on all the proprietary shite my expensive new car/van is going to come with. In many ways software is easier to fix than hardware - it's certainly easier to reconfigure, and interrogate, so it's not a bad thing in itself. The problem is the closed implementations we have in almost all cars.

      @xxwookey@xxwookey Жыл бұрын
  • A simple test light is your best friend on many occasions . That was a difficult one that needed lots of prior experience - very impressive .

    @richardhintonracing@richardhintonracing Жыл бұрын
    • Thanks Richard!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Hello Dan, as a hobbyist electrician each time I check for continuity in a wire I always check also for shorts to GND/supply especially when the line goes to multiple connects and points where it can be pinched. The continuity test is not the best tool for this … but do not blame the tool .. some (most of) times the user does now how to use it in the context to get all the relevant data. Keep up the good work 👍🏻👍🏻

    @GryfoGT@GryfoGT Жыл бұрын
    • That should've been step 2 of the techs wiring check. Also I agree that the dvm is perfectly capable of checking for cross shorts. Don't need a test light for that. Also an overlay harness would've fixed it without having to hook up a meter. Multiple quick dealer fixes without all the swapping.

      @alanqtrmaine8175@alanqtrmaine8175 Жыл бұрын
    • Yeap ,we always check short to positeve and ground not only wire broke,becouse we know what we doing. This is the only problems ..no need of scope here.

      @petkohubenov3088@petkohubenov308810 ай бұрын
    • @@alanqtrmaine8175 Well, a test light will or won't light depending if there is a resistance to gnd or +v, like a chunk of rust in the back of a connector ... that's where 500 mA from a test bulb works well - you KNOW a short to gnd is truly a short to gnd.

      @uploadJ@uploadJ8 ай бұрын
    • Thanks Den you are Brilliant thanks again I learned

      @oliverchiwoko8189@oliverchiwoko81897 ай бұрын
  • Absolutely amazing diagnosis! Thanks for your clear presentation of your thought process and techniques. Excellent!!

    @brianm9007@brianm9007 Жыл бұрын
  • Good job Dan. Basics are basics and sometimes unfortunately we did forget the basics and that's what happens. Thanks a lot.

    @KaKi_AutoDiag@KaKi_AutoDiag Жыл бұрын
    • True😁 Thanks for watching!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • You are definetly a diagnose wizard...amazing work as always...keep up the good work

    @henrikloiske8572@henrikloiske8572 Жыл бұрын
  • I Love this video and as a maintenance tech for industrial machinery it was a great lesson in troubleshooting and in the basics of the meter. You nailed it once again through thorough testing and evaluation and your step by step instructions and your patience is amazing. Thanks so much for taking along on this journey.

    @GeminiSeven43@GeminiSeven439 ай бұрын
  • Nice! When a wire is floating (both ends on air). Always test it against power and ground. And against other wire ends of the same harnes. Always.

    @fir3w4lk3r@fir3w4lk3r Жыл бұрын
    • Yep absolutely, seems like we’re the only ones who understand that 🤔 everyone else banging on about a load test & even Dan himself should have done those 3 steps first & then would have found it straight away. Continuity testing is ok if you follow the those 3 steps then if ok next step load the wire. Sadly most people just do a open check. Whilst a resistance check isn’t bullet proof it’s still the starting point.

      @madds6678@madds6678 Жыл бұрын
    • @@madds6678 I also say to my students never to use the continuity mode. After a while they start ignoring the reading and and pay attention only to the buzzer...

      @fir3w4lk3r@fir3w4lk3r Жыл бұрын
    • You both are absolutely right. I made a comment earlier about this, seems we think alike. The fault could have been found straight away with only the multimeter, no need for test light or scope.

      @simduino@simduino Жыл бұрын
    • @@satunnainenkatselija4478 We're talking about floating wires here. With connected wires unless you know what signals are to be expected a multimeter is not a lot of good and in some cases may even provoke more problems, in that case a scope is required.

      @simduino@simduino Жыл бұрын
  • Great one! Between yourself and Eric O, there's no stopping your ability to fix the un-fixable!

    @theholeymoley1@theholeymoley1 Жыл бұрын
    • Thanks!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Imagine working on faulty wiring with pretty well known issues and not checking short to ground… This should be second thing to do, right after continuity test.

    @Filozoph@Filozoph Жыл бұрын
    • Bang on 👍🏻 naughty Dan tripped himself up & fell down the rabbit hole 😂

      @madds6678@madds6678 Жыл бұрын
    • @@madds6678 The whole reason for the video is to follow in the previous technicians steps to see where he went wrong. Of course Dan knows that he should of done a load test much earlier.

      @danthecarman8440@danthecarman8440 Жыл бұрын
    • It should have been indeed.

      @Diagnosedan@Diagnosedan Жыл бұрын
    • @@madds6678 I'm sure Dan has forgotten more than you'll ever know. Dan tripped nothing.

      @moshesheckel7369@moshesheckel7369 Жыл бұрын
    • The man worked the steps and got the outcome and that’s what you do in this ever evolving headache of a trade

      @Gearhead90@Gearhead90 Жыл бұрын
  • Awesome lesson DiagnoseDan! Thank you for taking the time to walk through this "stumbling block".

    @dosgos@dosgos Жыл бұрын
    • My pleasure!!!!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • I have been following you for a while, and I learned a lot from you, especially new cars. In Algeria, we still use 1990 cars.

    @talbisaleh6862@talbisaleh6862 Жыл бұрын
  • Some rather rough probing of those terminals! Not the only one opened!

    @dans_Learning_Curve@dans_Learning_Curve Жыл бұрын
    • You've seen that right, i dont know what they were thinking 🤷

      @Diagnosedan@Diagnosedan Жыл бұрын
  • altijd gaaf om een expert zo bezig te zien! op een dag wil ik er ook zo goed mee worden, en deze videos geven me motivatie! Hou ze vol zo!!

    @roxthedumbhyena@roxthedumbhyena Жыл бұрын
    • Dat is goed om te horen!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Wow . Thanks for the video D.D . The last technician didn’t think about immo off it would help.

    @candrevajonathan-matic6604@candrevajonathan-matic6604 Жыл бұрын
  • Your work is amazing. I don't know if you realise how good you are at explaining things. I really like your approach and what you do for the automotive community💪

    @TheKeenMechanic@TheKeenMechanic8 ай бұрын
  • Having the right tools, good common sense, knowledge and experience equals to solved it again. Awesome job Dan.

    @marcioreis2648@marcioreis2648 Жыл бұрын
    • Thank you 😁👍

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Great video as usual, you can't beat a test light, (loaded circuit) great information, look forward to the next one... cheers

    @rogerleese1342@rogerleese1342 Жыл бұрын
    • A simple tool but very relevant!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • I enjoy watching your videos ,Dan. You make problems look so easy, the way you explain them. Keep doing what you do...👏

    @armendi04@armendi04 Жыл бұрын
    • Thank you

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Hello Dan! I am very lucky that I subscribed to your channel. I enjoy watching videos that are made with soul and professionalism. Every time I find a lot of useful information for myself. These videos can definitely be considered educational. I wish there were more videos out there. With respect to you! Vladimir.

    @user-tj2id6dr2m@user-tj2id6dr2m6 ай бұрын
  • Another fascinating diagnosis from Diagnose Dan! Sure glad you showed us where the purple line was shorted. I bet the tech that worked on the car will not be so quick to rely on the continuity test in the future without some further testing.

    @BY504A@BY504A Жыл бұрын
    • Lets hope he's learned something after seeing this video

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Great video I really enjoyed following you down the rabbit hole to diagnose this one, this was so easily overlooked by carrying out a continuity test, I always test for continuity then do a voltage drop test and see how many volts are being lost on that wire, having said that this job would have been a real head scratcher, well done Dan!

    @PDR-wb9dq@PDR-wb9dq Жыл бұрын
    • Loaded testing and indeed voltage drop are the way to check your wiring.

      @Diagnosedan@Diagnosedan Жыл бұрын
    • You always have to think what it is you are really measuring. If, as Dan found, A & B are connected, you must consider the possibility that they're both connected to C. Good reminder - I could see myself falling in that hole.

      @stpeter7432@stpeter7432 Жыл бұрын
  • Thanks for the teaching again. If in doubt I always load test with a test light or halogen bulb. Continuity tests are great for tracing wires, but circuits need to be loaded to prove that they can carry the amps.

    @truth4reel@truth4reel Жыл бұрын
  • You are the true professional 😎 Thanks for teaching lot to us.

    @rimsathnm@rimsathnm8 ай бұрын
  • Interesting diagnosis and a great teaching moment for many, as it's always worth doing a continuity test and a short to power and ground. Seen this sort of problem a few times. Also noticed, the white pin in that connector wasn't the only damaged one, looked like there was at least another that was damaged and close to shorting.

    @gutsngorrrr@gutsngorrrr Жыл бұрын
    • Yes you are right multiple pins were poked.

      @Diagnosedan@Diagnosedan Жыл бұрын
  • With the dash all ripped up and the wiring harness under the hood opened, I hope more problems don't appear once it is all reassembled. Great video!

    @timd1833@timd1833 Жыл бұрын
    • As long as its all put back together the right way it should be fine😉

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Best diagnosis channel on the net! Thank you.. I learned a lot...

    @Chris-wp3ew@Chris-wp3ew Жыл бұрын
  • This was a really interesting lesson and it helped me solve a similar problem with my Fiat Ducato. I found and fixed the intermittent problem that has annoyed me for a long time and it only took me a half hour to fix and no cost at all. Thank you Dan, it’s brilliant now.

    @tomthumb3085@tomthumb308510 ай бұрын
  • Thanks Dan for another good new video. When you showed the picture I noticed not just the purple and white wire have contact, but the green and brown one next to it could have contact too.. Good find and very educational search. Since friends and family have these cars too, I'll keep this one in mind when they have crank-no-start issues.

    @petervanb8088@petervanb8088 Жыл бұрын
    • Yes, green and brown seem to be in contact as well. So this other workshop guy used two massive test probes and bent both of these terminals.

      @koeniglicher@koeniglicher Жыл бұрын
    • ​@@koeniglicherSomeone did, but not necessarily the other technician. Could have been the owner who then sent it to the technician after causing the damage. Everyone is going to be a Shaggy in this situation.

      @chrishartley1210@chrishartley1210 Жыл бұрын
    • @@chrishartley1210 OK, good point to not accuse anyone. I ruled out the owner, as the purple and green wires are affected. To find out, that these are the relevant ones and are avilable at this connector, this would need a wiring diagram (or some "internet advice"). I do not commonly associate owners with reading wiring diagrams and tracing wires over multiple connectors but rather workshop technicians. Still, your point is very valid indeed.

      @koeniglicher@koeniglicher Жыл бұрын
    • @@koeniglicher Perhaps he was looking for a different fault, perhaps it was another technician, perhaps... Dan did say he needed to get permission to fix the fault as the owner may want to do the work himself, which is what gave me the idea that it could have been the owner. Anyway it's not that big a deal and we are never going to identify the guilty party. 😁😁

      @chrishartley1210@chrishartley1210 Жыл бұрын
    • @@chrishartley1210 Dan should isolate these two/four terminals temporarily (like with a small plastic tab) and see whether this the only fault or whether there are more issues with the wiring. Because there can be more of them, especially after all this ripping the car apart.

      @koeniglicher@koeniglicher Жыл бұрын
  • Says alot when other shops bring them to you, excellent video

    @stevenprestwich521@stevenprestwich521 Жыл бұрын
  • Great video and wonderful skills at diagnostics. Thanks for teaching us Dan! New subscriber. Loved it.

    @laurijorgenson6683@laurijorgenson66837 ай бұрын
  • Great diagnosis and fix. Good work Dan!!

    @keitho77@keitho77 Жыл бұрын
  • Your videos are priceless! Super helpful! PLEASE keep them coming, good sir!!! Love from California!

    @fredsalter1915@fredsalter1915 Жыл бұрын
    • Thank you so much Fred 👍😁

      @Diagnosedan@Diagnosedan Жыл бұрын
    • How did you donate $50 to Dan’s video?

      @OilBaron100@OilBaron100 Жыл бұрын
    • @@OilBaron100 I never did it but I think I once saw it. You go under the video where there is things like download, save , share etc. There is thanks button there, which simply is donate button. Check out you will see it. This man deserves a lot MBS Moshitoa south Africa

      @m.b.smoshitoa8325@m.b.smoshitoa8325 Жыл бұрын
    • @@OilBaron100 The "Thanks" button

      @fredsalter1915@fredsalter1915 Жыл бұрын
  • So, as kind of an "extended continuity test" for wires that should be totally floating, do also a continuity check (though with some resistance like your test lamp) wire-to-ground and wire-to-12V. A very interesting sneaky problem. Great detective work!

    @lucasoorschot780@lucasoorschot780 Жыл бұрын
    • Thanks for watching!

      @Diagnosedan@Diagnosedan Жыл бұрын
    • My first thought, a continuity test has no resitance, so could be breaking down under load, although this turned out to be a signal wire so not a problem. There again I was an electrician so I would have checked for earth fault 1st thing you can miss so much with just a continuity test

      @alanreid3063@alanreid3063 Жыл бұрын
    • Why wasn't the wire smoking or burned up with that improper contact to ground ?

      @norisboren5402@norisboren5402 Жыл бұрын
  • Nice puzzle Dan, excellent job and great explaining! I like the consequent steps you followed to understand what is going on.👌

    @henk_b@henk_b Жыл бұрын
    • That's great to hear!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Dan does it again, great tuition on it thankyou, the green pin next to the white also looked bent open to had a but her in there for sure.

    @robertbaker8764@robertbaker8764 Жыл бұрын
  • I guess, being an auto electrician, I was straight onto this and my early thoughts were whilst there was continuity, it didn’t mean there was not a short to ground. The moment the scope came out it confirmed my thoughts. As an end note, care needs to be taken probing connectors, especially on Japanese motors which do tend to use thinner wiring and more densely populated connectors. So easy to damage a pin. Well diagnosed Dan.

    @TheFlyingBusman@TheFlyingBusman Жыл бұрын
    • Thank you

      @Diagnosedan@Diagnosedan Жыл бұрын
    • That connector seems to have multiple shorts - look at the other connections too! The brown end wire looks shorted too. Someone must have been very heavy handed with test probes!

      @steve6375@steve6375 Жыл бұрын
  • Using jump wire with no communication faults is the way to go to rule out wiring problems.. I had a similar incident with an audi where the multimeter did the same. Since then on faults like these I jump 1 wire at a time to find the problem or completely rule out the wiring loom.. Saves time and hassle, another great video Dan 👍

    @iansonnyblack2624@iansonnyblack2624 Жыл бұрын
    • Or you could save the hassle of that & do a proper continuity check after the first test by just touching to positive & earth on the disconnected circuit 3 simple steps which would find this in less than a minute then a load test if above is ok.

      @madds6678@madds6678 Жыл бұрын
    • @@madds6678 I do that too. Most mechanics do all of the above usually.

      @iansonnyblack2624@iansonnyblack2624 Жыл бұрын
    • Thanks for the positive comment its really appreciated 👍

      @Diagnosedan@Diagnosedan Жыл бұрын
    • @@madds6678 would have been a short video and we would'nt have learned as much 😉

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Excellent presentation of a diagnosis, thank you for your clear explanation!

    @alan-leung@alan-leung Жыл бұрын
  • You make a very good point. It's so easy to dive straight in with the test equipment and overlook performing a detailed examination of the connectors as well as the wire and modules. Many thanks Dan. That lesson alone could save hours of wasted work.

    @stevezimmerman5644@stevezimmerman5644 Жыл бұрын
    • Thanks for the positive feedback!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Best one you've done Dan,weirdly the wife said her c1 same year wouldn't start just before Xmas,I never even thought it was the immobiliser issue and thought she was having a girly moment,will see if she breaks down and then I will get lots of man points😀 for recovery and fixing🤣🤣

    @mandymoo7406@mandymoo7406 Жыл бұрын
    • Even more given that, if that occurs and you fix it, you will have removed the effing dashboard and reinstalled, in the process! Make sure she sees that... :)

      @alexanderSydneyOz@alexanderSydneyOz Жыл бұрын
    • Ha ha ha🤣🤣👍

      @Diagnosedan@Diagnosedan Жыл бұрын
    • Don't forget the mansplaining!

      @sainburys@sainburys Жыл бұрын
  • I don’t get why the customer would have to pay for new parts, installed by the dealer/workshop that doesn’t solve the issue he/she wanted to be solved.

    @Conservator.@Conservator. Жыл бұрын
    • New electric parts, which they can't return like bad brakes or filters

      @Tomaskii@Tomaskii Жыл бұрын
    • Dealers do this. I was a truck driver many years ago. I diagnosed the truck as having a bad ecm. The truck would burn coolant temp sensors after 3-7 hours of use. The owner took it to the dealer, they charged $4000 dollars, changed a bunch of parts, told the owner they couldn't fix it and to take it to the dealer of the engine manufacturer. This is normal in this day. It's the death of expertise. There are very few like diagnose Dan.

      @Capitanvolume@Capitanvolume Жыл бұрын
    • @@Tomaskii I know that they can’t return the parts. My point is that if the dealer or shop misdiagnosis the fault, they should pay for parts that are unnecessary put on the car. If that were the case, they would think more before ordering new parts.

      @Conservator.@Conservator. Жыл бұрын
    • @@Capitanvolume This a good example. People wouldn’t pay a contractor that was called to fix a leaky roof if he would install a new chimney and the roof would still be leaking. In the automotive world however we somehow accept things like that.

      @Conservator.@Conservator. Жыл бұрын
    • @@Conservator. customers pay is the problem. I would have left and never paid. The owner insisted on maintaining relationships. Not sure I would be maintaining relationships after I was mugged

      @Capitanvolume@Capitanvolume Жыл бұрын
  • Well done.The sign of a true professional! Brilliant video!

    @frodemarkhus3692@frodemarkhus3692 Жыл бұрын
  • Dan what a great video! I have been working for GM for 23 years and I also have run across weird problems like this. Your explanation of doing a continuity test is spot on. I too have been burned by this test in the past and it is challenging and rewarding when you can repair a problem like this. I have in the past run new wires when a short to ground is suspected, but due to high labor rates we will usually just run new wires, I have many times wondered what the root cause of the problem is. I have to say in my experience over 90% of electrical problems in the field end up being damaged wires and not faulty modules, just my 2 cents for anyone else who might want to try a new module first. Thanks for the great videos!

    @iggyfan66@iggyfan668 ай бұрын
  • Always like to see Dan do the work- I wish Rainman Ray and Eric at Southmain would learn from him. They both have good diagnostic skills, but they clutter the job with endless mumbling, extraneous comments and tedious cliche's.

    @oldschool1993@oldschool1993 Жыл бұрын
  • The problem was not with the multimeter tool, but with the diagnostician's use of the tool.

    @dws2313@dws2313 Жыл бұрын
    • That's why the title of the video is don't USE a multimeter like this!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • WOW great video......Such a learning experience. You are a great teacher. Thanks for sharing your talent with us !!!

    @robertanderson6850@robertanderson685010 ай бұрын
  • A great job, really enjoyed watching all the steps. And I do confirm that continuity test may be wrong, went thru' this once.

    @pregaramen8747@pregaramen87477 ай бұрын
  • Would a load test (4 amp test light) have worked to help check wire integrity? I too enjoyed seeing you work through this problem.

    @dmc6419@dmc6419 Жыл бұрын
    • That is exactly what Dan used in the video, a test light as a load. Doesn't need to be 4A, but it would work also.

      @BrainHurricanes@BrainHurricanes Жыл бұрын
    • @@BrainHurricanes The test light is ok, but 4A is too much. These are communication wires with small diameter (rated usually at 5A tops). Pushing 4A over them may cause overheating. Not a good idea. Be very careful using that technique.

      @simduino@simduino Жыл бұрын
  • Great video. Would you consider it a valid test if on the initial continuity test after confirming continuity through the wire simply doing the extra step of checking for continuity to battery positive and negative?

    @hurls2301@hurls2301 Жыл бұрын
    • I thought so too. I can't really see why that won't work.

      @abdul-kabiralegbe5660@abdul-kabiralegbe5660 Жыл бұрын
    • Indeed that would have worked. I saw the failure straight away because he failed to check the connection on the fuse box. With these wirings it's imperative to check EVERY connector. I would have done the last part of the video (where he replaced the wires) right before using the scope. It's an electrical engineering procedure called "finding the least probable point of failure". Many cars have failures in the wiring loom when it passes the firewall or other parts caused by vibration and degradation of insulation. The title of the video is also incorrect, it's not about using the multimeter wrongly, it's about not using it sufficiently. No need for the scope or the check light. An ever better way is to use the multimeter in ohms mode, zero to two ohms means 100% continuity, anything above means check the connections because they may not be connecting 100%. He only checked the pins of the connectors on the immobilizer and the ecu, but you need to check each and every connector in the wiring. There's most probably another connector in the interior on the drivers side right where the firewall is, or there might even be a connector in the hole of the firewall (this is used in many modern citroens). Sometimes dirty or oxidated pins are the cause of failure. Using contact cleaner on each connector is also good practice.

      @simduino@simduino Жыл бұрын
  • I just find your Channel DiagnoseDan,You’re wonderful and so helpful,thank you so much!! You’re Really Good!!😊God bless you!!❤

    @elenapender1405@elenapender1405 Жыл бұрын
  • Impressive Dan, It just shows, don't take things for granted and you of course finally identified the problem. 👍👍👍

    @markt5426@markt5426 Жыл бұрын
    • Thanks for your comment 👍

      @Diagnosedan@Diagnosedan Жыл бұрын
  • That was brilliant I'm now in college myself in Ireland and the instructor is old . Older than me I'm 40 getting me papers to be qualified in my dream job but I'll never just do a continuity test again must get this light Ur videos are brilliant well explained not rushed and easy to follow

    @dannyoreilly6571@dannyoreilly65719 ай бұрын
  • Fantastisch,wat is het toch een plezier om naar jouw video’s te kijken,heerlijk zoveel informatie en uitleg! Groet uit Frankrijk! Hvl.

    @hansvanleersum8309@hansvanleersum83098 ай бұрын
  • Fantastic explanation as always! Really interesting thank you Dan 😃👍

    @simonmiddleton4977@simonmiddleton49778 ай бұрын
  • its fun watching a master at work. i don't work on cars but did a lot of troubleshooting in my profession. BRAVO!

    @sweetcheeks2022@sweetcheeks2022 Жыл бұрын
    • Thank you

      @Diagnosedan@Diagnosedan Жыл бұрын
  • The multi meter is just fine in your diagnoisis. You confirmed the wire is NOT broken but it is exposed somewhere. I always test for short to ground when i do this because i DONT have the scope. So multi i have and normally works for me. You took the exact same steps as i would have if i had all tools like you. So respect to you. Thank you for the great video.

    @jasonputtock4428@jasonputtock4428 Жыл бұрын
    • Thanks for your comment its appriciated 👍

      @Diagnosedan@Diagnosedan Жыл бұрын
  • This video came at exactly the right minute. Just at the moment when this video came up I was in the workshop diagnosing the Aygo of my mother-in-law with exactly the same issue 🙂Dan, you're the best!!!

    @katzchenundloup6693@katzchenundloup6693 Жыл бұрын
    • Broken wire?

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Brilliant, my 107 has the crank no start and sadly my garage could not progress this issue, this video has given me an idea to try the repair of my car myself, THANKS DAN.

    @robinhood2980@robinhood298011 ай бұрын
  • Great case Danny. I am one of the lucky ones who has " fixed " a few toyota's with the paperclip trick. Even recently on an Aygo. These kind of video's are greatly appreciated. Take care and a belated happy New Year

    @beluxauto5968@beluxauto5968 Жыл бұрын
    • personally I would have been happier if it wasn't shown as I taught myself this after lots of homework and got to it via the auto clutch adjustment procedure and realised I could virginise the ecu to the immobilisor😀

      @mandymoo7406@mandymoo7406 Жыл бұрын
    • Great little cars! Usually quite reliable

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Hi Dan, thank you for sharing faults and the way to solve them and thanks again

    @ashercohen4739@ashercohen4739 Жыл бұрын
  • Yes i agree w the continuity test,, the continuity test as we saw showed wire(s) connected on both ends but not accurate enough to indicate short to ground,, Awsome video!

    @delcorick9967@delcorick9967 Жыл бұрын
  • Amazing find and fix Dan! I have a 2015 lexus es350 here at the shop with a similar code of B279A (TDS line high) … Vehicle came in from another shop and originally purchased from an auction with light water damage. So far found a blown smart fuse (5a) which restored comms between the the ID box and ecm and a bad starter. Can’t wait to peel back the layers and see why we have no starter control when pressing the start button.

    @gregjones8501@gregjones8501 Жыл бұрын
    • Thanks for watching and good luck!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Just amazed at the amount of knowledge about car electrical systems. You also have the patience of a saint mate in my book a genius at work. I recently had a problem with a parasitic drain which turned out to be that the battery has passed it's use by date - has been in the car for 8 years and the techy and Mazda told me that a low voltage will not let the relays - certain relays which rely on working properly - changing the battery for a new one cured it. Now I am at a loss to why you don't have more subscribers than you have??

    @johngoard8272@johngoard82729 ай бұрын
  • Hi there very interesting video i must say I've been in electronics for more than 32 years and I've always used the ohms range setting on my fluke multimeter to test continuity on burnt or corrosion pcbs and wiring because there can be resistance in the line also and also tests for ground shorts .Thanks for the very informative video I'm sure customer happy to happy getting car back running .

    @neminathanmoodley2409@neminathanmoodley2409 Жыл бұрын
  • i like the methological way of your diagnosis , logical steps , that leave nothing for error . it's like a lecture . amazing as always . and Dan did ti again please can you show how to fix the cable profissionally .

    @khasem87@khasem87 Жыл бұрын
    • Thank you very much

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Thank you for your video, it brings back old classes I took on electronics, the 5 life's of a wire: never used (missing), good installed, not expected power, not expected ground, connected wrong.

    @jonascourtney5999@jonascourtney5999 Жыл бұрын
    • Thanks for your comment

      @Diagnosedan@Diagnosedan Жыл бұрын
  • Wow that was the best DD video yet. Well done.

    @barrybritcher@barrybritcher Жыл бұрын
  • Awesome Fix, DiagnoseDan Fixed it Again😍 Thanks for sharing Bro😍

    @isalmankhan1@isalmankhan1 Жыл бұрын
  • Amazing diagnosis. Thanks for sharing.

    @scottpollard3270@scottpollard3270 Жыл бұрын
  • Great video. I'm glad you did it the way you did. While you could have rooted the problem out much quicker and I'm sure you would've if not making a video. This way was more thorough and and gave me some options without searching through more if the issue is something other than that short you found. I like help videos to be short and sweet and to the point. But yours was perfectly thorough without being boringly long-winded. Great format. Keep it up please I'm subscribing right now! My 03 Chevy 2500hd has forever had electrical issues and you've been very helpful in me rooting out the causes.

    @mikeyd717@mikeyd717 Жыл бұрын
  • in holland we call this problem ''franse meuk!'' , nice job diagnosedan ty for sharing your daignose methodes

    @mohamedlahlal1372@mohamedlahlal13724 ай бұрын
  • Great video I was hoping back when you first where checking the wires you would touch ground it a 2second step and your right there. It's something I always do as I have been burned before in a similar situation. Great video and excellent content.

    @mike-yp1uk@mike-yp1uk Жыл бұрын
  • Great diagnosis Dan. I genuinely enjoy your channel as do thousands of subscribers

    @kendom33@kendom339 ай бұрын
  • Hi Dan i used to be a workshop manager in France for a Peugeot dealer. My tech always said he wouldn't troubleshoot anything else than PSA cars because he wouldn't be able to or without specific data you just prooved again the opposite thank you

    @lesablier2088@lesablier20882 ай бұрын
  • Thanks for showing this. You really know your stuff!

    @channelview8854@channelview8854 Жыл бұрын
  • I really enjoy watching your video. The content is extremely clear, each step follow a logic way, I completely agree with previous comments well summarized by Paul B. : "The sign of a true professional".

    @TheDudule01@TheDudule01 Жыл бұрын
  • Hey Dan, There is the same issue with green and brown wires. I enjoy your videos, thank you. God bless.

    @sassunavetisyan42@sassunavetisyan42 Жыл бұрын
  • bravo, great job 👏. Is very important to diagnose with oscilloscope,like that you can see what is passing through the wire.

    @Yulian.Mladenov@Yulian.Mladenov6 ай бұрын
  • Always excited when I see a notification of new video from you. Very informative and tons of lessons especially for diyer like me. Much love from Nigeria

    @OgunjobiDavid@OgunjobiDavid Жыл бұрын
  • Thanks for the video, it was very interesting. It turned out to be an unusual place of failure. From the video I realized that there are not many ways to check, you need to use several.

    @user-xt4rc9qb8v@user-xt4rc9qb8v Жыл бұрын
  • Waou !!!! Bravo !!!! 👏👏👏 Diagnosedan, fixed it again.

    @konezoumana614@konezoumana614 Жыл бұрын
  • Awesome VIdeos, very informative. I've a nissa Hardbody that has a crank no start , dashlights don't turn on plus the turn signals even though the hazards work. There maybe a short in the wiring.

    @Kgonothi@Kgonothi9 ай бұрын
  • nice one, love your diagnostics skills, dude is a straight up ninja !

    @AdrianJayeOnline@AdrianJayeOnline Жыл бұрын
  • Dan.....you are the Best ....!!! Amazing job.

    @petroslempla362@petroslempla3627 ай бұрын
  • Really enjoy your videos, I hope my cars never have any if these issues..... what a headache it must be for the owner

    @Dusty_Bottoms_@Dusty_Bottoms_ Жыл бұрын
  • Thx, Danny!!! You are the best as always!!!! I very love your videos and your english as well.

    @user-iw8rv6ul2x@user-iw8rv6ul2x Жыл бұрын
  • Great work, thanks Dan. Thanks for sharing this and I have Subscribed. I did a diagnose video about a year ago and I found it interesting and also a bit frustrating as the service manual diagrams and relays weren't exactly like on my car. I'm sure you would have worked it out a lot faster than me. But in the end I found the fault and was lucky the burnt immobiliser didn't cause a serious fire. cheers mate

    @UzumakiGarage@UzumakiGarage Жыл бұрын
    • Thanks for Subscribing, these models are know for unreliable wiring diagrams

      @Diagnosedan@Diagnosedan Жыл бұрын
  • I learned for sure. great job man, we have one Citroen C1 at home which is the same and I just hate it...

    @RATADATUAVELHA@RATADATUAVELHA Жыл бұрын
  • Excellent video!!!!! Especially how you show just having continuity is not the end of diagnosis. Great work brother!!

    @nismo2070@nismo2070 Жыл бұрын
    • Exactly!

      @Diagnosedan@Diagnosedan Жыл бұрын
  • I learn a lot from this Channel thank you Dan !!

    @biniyambekele3091@biniyambekele3091 Жыл бұрын
  • Diagnose Dan is the frickin man! Nobody even comes close to what he does and how well he shows us how he does it. Is there anyone else even half as good? I've never seen anyone. Dan is so far ahead. No doubt the immo isn't coded to the key. Start then stop is usually a failed immo.

    @jizwinkle9822@jizwinkle9822 Жыл бұрын
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