The One Automotive Lab Scope Video You NEED to Watch! (Mercedes Limp Mode)

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2012 Mercedes C250 1.8L. This video will show you just how important having a scope and knowing how to use it really is! This vehicle is going into limp mode only at full throttle. You’ll see why every piece of data matters so much, and why attention to details is EVERYTHING! This Sunday session with Andy and The Professor will truly help you to TEST, NOT GUESS! Enjoy!
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#mercedes #mercedesbenz #labscope #oscilloscope #scope #diagnostics #checkenginelight #car #automotive #mechanic #autorepair #autorepairshop #europeancars

Опубликовано:

28 мар 2023

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Комментарии : 125

@scientist100 Год назад

I somehow feel saddened that a lot of shops would have fixed this by throwing a pedal assembly in there without knowing what was causing the issue because of the code given; this video shows evidence of how critical these sensors are and that they indeed fall out of calibration over a period of time. Good job guys!

@markhb3346 Год назад

Right , a parts changed would have seen the DTC shot a peddle at it and been on its way without even looking at live data. I’m a scope users and believe sometimes we overlook the obvious because we’re afraid to be wrong and will waste time going down a rabbit hole when the answer is right in our face. Either way great video and great demonstration on how picky these systems can be .

@andrewfischer9477 Год назад

@@markhb3346 I agree 100%. You need to know when you're setting yourself and the client up for failure. And this is an extremely fine line too. But honestly, it took longer to do this one because we were filming. I'd say 1-1.5 hours total diagnostic time involved. And that includes re-search.

@TONYSTARK-jh2wu Год назад

why's that make you sad if the problem was fixed. there's no information on the specs like they said. I bet the dealer would throw a pedal at it to.

@markhb3346 Год назад

@@andrewfischer9477 understood , but I do appreciate you guys sharing this because honestly I would have graphed the APP1 and 2 PIDs and wouldn’t have even thought that little difference would be enough to fault it . Thanks for sharing that it’s very valuable and shows how susceptible these systems are to failure and they’re not very fault tolerant. But I think what the OP of this thread was stating that your typical parts changed would have seen the DTC and it’s description and just shot gunned a peddle and been right with no effort. But like what Dan Sullivan says “you only learn during the diagnostic and not the repair” and this video proves that point . I’m a new subscriber 👍👍

@dtandfam8100 Год назад

After they replaced the Throttle body assembly 🤭 Awesome video! Great walk through and explanation of the problem & solution. Thanks for sharing 👍

@MarzNet256 7 часов назад

Cool. Sensor two reads right in between the high and low specs with pedal fully depressed. Sensor one is just over max spec, but also fell right in between high and low specs when replaced. The code, the scope, and excellent reasoning all combined to form a diagnostic trifecta.

@davidsinclair5004 Год назад

A big hello from the UK I am really pleased to find this channel, its also nice to see the extended use of the ATS scan and scope, I have one but I know of nobody else local to me that does, Pico is big here which I also have, I love the power of the scope and how by using one makes you so much more sharper and knowledgeable, I am continuously learning thanks to using a scope and watching videos like yours. keep up the great content I am looking forwards to many more from this vibrant new channel.... Btw: its nice to see and nice to see the ATS scope being shown as it was only Bernies videos that were exposing the power of it... All the best guys David (Sinclair Engineering)

@Jason-cu1jp Год назад

Thank you for posting this. Your videos are top notch. I'm just a DIYer who's getting into scopes. This really highlights how, at a glance this could be missed...but with some scoping and comparing to the exact threshold figures a problem was found.

@theroyaltyautoservice Год назад

Exactly! Maybe you should join the field! 😃

@asewamu Год назад

Great diagnostic approach 👌🏻 love seeing ATS videos. The stop feature built in when paired with the eScan is such a time saver esp when diagnosing by yourself on a road test.

@vickenkaragozian2041 Год назад

Escope is the best. Bernie knows how to engineer equipments Thanks for posting great videos and using the Escope 👍

@flemmingjacobsen2763 Год назад

Another brilliant video on an interesting subject. Without the proper documentation you wouldn't have had much of a chance in a case like this. Well done and well explained. Thank you guys. 👍

@pebjr6621 День назад

not only the voltage is back in spec, but the waveform is more a square wave and before it was more like a slight ramp to it... great job! would like to see more diagnostics with the scope.

@robertberthiaume7301 7 месяцев назад

Very impressive troubleshooting guys. You nailed it and I like your thouroughness.

@bartscave Год назад

Thanks for taking the time to video and share these diagnostic jobs.

@scottgilliam7524 Год назад

Another great video guy's very informative your very close to becoming my favorite channel.

@theroyaltyautoservice Год назад

Thanks Scott! We really appreciate that!!

@richardmitchell7836 Год назад

First time here, and I found this very interesting, for sure will be watching more of your guys!

@wshamroukh Год назад

Awesome diagnosis guys... Well done... Keep those great videos coming

@theroyaltyautoservice Год назад

Thanks friend!

@xonerate 13 дней назад

Great Job, Incredible how The Code could not be looked up.

@kentporter2991 Год назад

Excellent!!! You guys are now the very Best on RU-vid! 👍😎🇺🇸

@saiautomotivemilton.7128 4 месяца назад

Very good video thank you taking the time to do this.

@user-rm4io6vp3k 2 месяца назад

I’m just scratching the surface with Automotive diagnostics. This was very interesting to see. Thanks for the effort on this

@tedgtfan 23 дня назад

Nice work guys.

@superdupercake 6 месяцев назад

great job with laying all the signals out guys! checks out that over 4.8V shows as an open or "high" to the computer.

@arthuraucar3696 5 месяцев назад

Another great video, and very very informative.! Thanks again...!

@edsanders5479 4 месяца назад

Excellent video!

@justinhayward5027 Год назад

Another great one! Keep ‘em coming

@davechan5159 4 месяца назад

I’m sold on the ATS system. It’s true and continues to prove itself true; scope data is vital to success. Notice how even the manufacturer scantool software could not precisely pinpoint the fault with streamed data - a voltage overage. Well done fellas!! 👍👍

@mohammed61750 3 месяца назад

Amazing inspiration you have done, I learned a lot from your videos. You are the best, watching your videos the from lebanon 👍🏼

@juergenscholl2843 Год назад

Thank you for your time and effort to make these videos, much appreciated. You may have a look at the scanner's live data to identify specific app's or tps' by their voltage levels comparing them to the scope or dvom😊.

@geoffprotheroe1201 11 месяцев назад

Very helpful video - well done.

@shamessun Год назад

Thank you…. Very good video…. Thank you that you showed the OEM scan tool number and the scope number and showed the deferent . That help a lot

@8power0 Год назад

I AM RE-WATCHING THIS VIDEO MANY TIMES ,,, BECAUSE THERE IS SO MUCH TO LEARN HOPE TO SEE MANY MORE AND LOOKING FORWARD TO EVERYONE THANKS SO MUCH FOR YOUR TIME 🙏🙏🙏👍👍👍

@modassirfaruq7397 Год назад

Good diagnosis

@AliBaba-uu2pw Год назад

You are best my man we here love you

@101thenuke Год назад

Just watched all your videos and have to say very informative. Not a car guy but was a nuclear engineer from Uk working on control systems who happens to like tinkering with cars,, Have bought myself a Pico. Love watching the likes of Diagnose Dan and Ivan at Pine Hollow because of how they explain stuff. You have been subscribed to, Thanks

@theroyaltyautoservice Год назад

Thanks Mark! We really appreciate that!

@josephremache3721 Год назад

Crazy. Such a tight voltage tolerance, especially when the car was not running and the sensor was within spec (lots of people would have overlooked and not make the call on the sensor or maybe guess lol). Recreating the problem 100% is the key I'm taking away from this video. Thank you thank you thank you for sharing this with us.

@theroyaltyautoservice Год назад

You are 100% correct. That’s the take away from this video. Glad you got something from it!

@robertmobileman8304 Год назад

great video , no guessing, scope wins ....... great content and you guys are so dedicated working on a sunday

@theroyaltyautoservice Год назад

This is the first time in years he’s done that. Professor was just wanting to get y’all some videos! 😬😉

@isalmankhan1 Год назад

Amazing Thanks for sharing Guy's👍 Love the diag process & logical thinking😍 I'm new to the channel & Professor's video on the BMW camshaft sensor brought me to your channel, Love your work Guy's keep up the great content👍 Stay Safe👍

@theroyaltyautoservice Год назад

Thanks Salman! We really appreciate that. See you on the next one!

@hhn2002 Год назад

Amazing content; keep it up

@abdalgadermohamed5636 Год назад

Great job

@chotuusian4127 Год назад

Good work

@dimisrambodimisrambo7285 Год назад

YOU ARE THE BEST AND ON SUNDAYS

@edlopz1722 Год назад

You guys nailed it. Thank you for the detailed explanation. (ATS scope is top notch but the legend B. Thompson needs to make it a little more affordable 😅.

@scientist100 Год назад

I paid for the 4425a standard kit and I don't do this professionally. I got 3 scanners which my Verus also includes a scope and additional scopes. I believe shops should own scopes and accessories to prove the failure modes of the vehicles when diagnosing.

@douglasmontgomery6315 Год назад

Good job

@thisisausername1265 Год назад

Scopes are fantastic. Had a cruze last week with what felt like an ignition miss at WOT above 5k rpm. Scope confirms good coil trigger, injector control, and current to the coil. Current for cylinder 4 is consistently 2 amps higher - coil had overheated and melted a little plastic over the terminal for the secondary terminal which feeds the coil boot. Scope made it obvious.

@jassidhaliwal3228 Год назад

Hey guys love from Australia 🇦🇺 The reason why you guys saw 4.756v max at live data was because the engine might not be running And when you guys checked on scope the engine was running and the alternator was pumping voltage a little bit that's why it went over 4.8v That's my logic

@tonyannand2999 Год назад

Very good channel 👍 guys are very good hope for more video

@kc360awareness 10 месяцев назад

Love the invaluable data only a scope can give. Great catch guys Would some of this data have been available in the freeze frame information?

@theroyaltyautoservice 9 месяцев назад

No, I happened too fast.

@chrismartino9078 Год назад

Love the content, guys.

@andrewfischer9477 Год назад

I feel honored the BooBear himself likes it! ❤

@chrismartino9078 Год назад

@@andrewfischer9477 I had to check my nickname in all the chats!!!

@andrewfischer9477 Год назад

@@chrismartino9078 😂 appreciate you Sir!

@suryaprihadi2258 Год назад

My new to watch channel❤, thank u guys. If ATS scope one day make a floating ground version, even only a 6 channel one, i would love to have one.

@advancedleveldiagnostics Год назад

Really great case study, Thanks! Wow I think I'm more inclined to look at the ATS scope after watching your video then after one of Bernie's😃. One correction when you were cleaning up the waveform by processing the data you said it's like ac coupling on a Pico, I think you meant to say low pass filter.

@theroyaltyautoservice Год назад

Thank you! And yes you are correct!

@andrewfischer9477 Год назад

Yes.... that was a total goof on me. I honestly haven't used the pico much since getting here with the ATS.

@scientist100 Год назад

@@andrewfischer9477 I did consider trading my 4425a for the Elite but I love the control on the Pico scope. Feels like an android vs iphone. Where pico is highly customizable and escope has predefined presets that are most likely to be used and save time on setting things up.

@richardnilsen5 9 месяцев назад

Jobs backing up that need diag I would have hooked up the scope and tried the tap test, tug test, wiggle test and look for drop outs while working the throttle before I drove the car it may have speeded up the process I wonder if the waveform would have went high? great video 👍

@eduardofrederico Год назад

Outra aula. Parebéns! Eu uso o osciloscopio russo MTPro

@BipVuongAnCapTheMuaMayBayXao Год назад

I’m your new follower I’m also tech doing all kind of work( diag programming, locksmith key) but not as good as you guys. Curious are you using genuine Xentry, cause when I see green cable it look like my c4 doip . Genuine xentry need to buy combo 4 years subscription and it cost like 37k that’s so much compare with the rest. Great job. Ats solution is the best for scope . Very clear explanation. You guys are best

@goodtimejohnny8972 11 месяцев назад

I had a dodge journey that set throttle body and accelerator pedal position codes. All wires checked out good to those items. The crankshaft sensor wires were shorted together causing those codes. I just used wiring schematics and volt meter to figure it out.

@HUBONEN Год назад

Where IS that comment "code allready told you The fault" 🤣 nice work guys. Best regards from Finnish mechanic.

@robertfrancisco1193 11 месяцев назад

good DIAG. going to scope out my APP SENSOR like your team did and check my results. i have a aftermarket pedal enhancer on my jeep that goes into limp mode almost the same way. but mine is intermittent comes and goes. getting codes for APP SENSOR. thanks !

@prospexican 9 месяцев назад

u guys make it look so easy, but is not, lol, i know it is time consuming, but great job.

@jessemackenzie6516 Год назад

Great content. When did ATS add the center cursor function? I do not see it in the release notes?

@andrewfischer9477 Год назад

It’s in Beta right now

@danman9017 Год назад

tks

@pavelkutishchev5551 Год назад

Great video, thanks for sharing! May i ask which Dell laptop model do you have?

@theroyaltyautoservice 9 месяцев назад

Sorry, I don't know what model it is.

@MsFireboy2 3 месяца назад

Question Sherwood is Bernie Thompson your Automotive Test Solutions your service representative?

@robertmedina6875 Год назад

New subscriber here. It looks like you guys are in beautiful California.

@theroyaltyautoservice Год назад

We are in Southeast Ga right on the border of Fla! Thanks for your support!

@MrRightNow 5 месяцев назад

Why not just look at the scanner live data and see the sensor voltage from there, which you could also graph, instead of going through the trouble of connecting a bunch of scope wires?

@W.Khairi Год назад

As the APP is a simple potentiometer it wouldnt usually be the first suspect, Good catch

@theroyaltyautoservice Год назад

Thanks for watching!

@user-co1tn3gh3p 6 месяцев назад

I seems that to work at Royalty you need to have a man bun. I see you and your son. Andy offsets this with the Michigan hat, Go Blue! I can comment because I am 35 years in and I might have a longer gray hair man bun than you. I love you content and how honest you are!

@harveyadams5453 2 месяца назад

Well good video on how to use the ATS scope. . But the disappointing thing is the Jack leg mechanic would have just thrown parts at it. Especially if they use the Mercedes part they would have fixed it

@lielyncher755 Год назад

Talk about some nit picking ass diodes, a little over 100ths of a volt off may need a software tweak instead of a new sensor. Not our problem though. MB and All data definitely leaves much to be desired. Whatever ,steel sharpens steel and I appreciate every sniper in this field with the patience to share what he sees on the scope.

@mauriziogiasan4411 Год назад

super

@prospexican 9 месяцев назад

question, how do u get the scope to stop when the code pops out? did u guys did it manually?

@theroyaltyautoservice 9 месяцев назад

The EScope and EScan work together and stop the scope when a code sets. You have to set it up to do that. Hth

@keltecshooter Год назад

Can you invert one of the TPS channels and superimpose to verify symmetry ?

@theroyaltyautoservice Год назад

You can’t invert it once you have the capture but while getting the capture you could do that, yes.

@keltecshooter Год назад

@@theroyaltyautoservice that's too bad, I use a Pico and a micsig but have been considering the ATS . Looks to be an awesome bit of kit .

@trublue2319 Год назад

Saw escope and clicked

@ecotec4 Год назад

what holster are you using there?

@theroyaltyautoservice Год назад

There’s a link in the description. It’s called tale of knives. Make sure to use code for 5% off. People asked all the time on TikTok. They love it. Progress has had his for years as well and it holds up well!!

@philh9238 Год назад

So the typical parts cannon would have fixed it?

@theroyaltyautoservice Год назад

Parts cannon could always fix a car but why guess when we can test? 🤔

@philh9238 Год назад

You have a lot of knowledge.

@YuckFou0x0FFFF Год назад

The output voltage from that sensor was only 0.37% out of range and immediately set a trouble code.

@karirautio 5 месяцев назад

It is in range or is not in range. There is no other possibilities. You are pregnant or not. Even 0,000001% over and it is not in range. The range itself was not tight at all.

@dimisrambodimisrambo7285 Год назад

IS THE ENGINE VACUUM THAT THIS DIAGNOSTICS MEASURES REAL OR WHAT THE MAP MEASURES?

@theroyaltyautoservice Год назад

We are reading the accelerator pedal position sensors and throttle position sensors. No engine vacuum or MAP in this one.

@dimisrambodimisrambo7285 Год назад

@@theroyaltyautoservice I know, I just asked the specific diagnostic where it measures engine vacuum, if it measures the real one or the one shown by the map?

@goochi5544 Месяц назад

Good guess

@aymenmohamed1134 Год назад

👍👍👍👍🏻

@DannerPlace 7 месяцев назад

You should have defined the trace color/function early so we could followed along more easily. But great video otherwise.

@Usmanthemecano Год назад

The parts shooter would've won lol

@philh9238 Год назад

That e scope looks way to complicated. The pico 7 is much easier to use.

@theroyaltyautoservice Год назад

Totally understand. Everyone has their own preference and that’s okay! 😃

@edwardboers2269 Год назад

Both scopes will do the job

@seanmiller678 Год назад

Sounds like a Mercedes driver to me... ploop....

@TheMinister2000 Год назад

Great video. But this video shows the sad, bad truth about modern automotive industry and its unneeded complexity, especially the European. The point is that this DTC error would not even appear if the software in the car ECU was programmed to a higher tolerance for this APP sensor signal, say to 5V. As we have seen from the waveforms, hardware vise everything is OK with the system, we can say that the system is 100% correct. It is only the software triggered DTC and limp mode with no real electrical or mechanical problem.