The Trainer
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- Опубликовано: 16 июл 2023
- Today’s technologically advanced vehicle powertrains bring huge rewards to us as consumers. Remarkable fuel economy, abundant power output, and significantly reduced tailpipe emissions compared to previous vehicles. But access to components for testing hasn’t gotten any easier, I’m sure you’ll agree. Being able to capture primary or secondary ignition waveforms easily and efficiently is a great preliminary technique to aid you, the technician, in determining where to head for testing next. The best part is, this can be applied to almost any spark ignition internal combustion engine, and without disassembly. Join me on this episode of The Trainer to learn how the Autel MS919 and COP Probe from the Autel Oscilloscope Accessory Kit can help you take your diagnostics to the next level.
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Due to factors beyond the control of Endeavor Business Media, it cannot guarantee against unauthorized modifications of this information or improper use of this information. Endeavor Business Media assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Endeavor Business Media recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of Endeavor Business Media, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not Endeavor Business Media.
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Go through all the waveforms and analysis of. Make it a series, I'll watch.
We will focus on the physics and learn from it together. To memorize how waveforms should be exhibited is not practical. It's much more efficient to understand why the waveforms present as they do.
Great refresher on ignition systems Brandon. Looking forward to more great content!
Thank you so much !
I am taking the A-8 test next Monday. This video was useful for me to watch! thank you.
Great! Best of luck and congratulations for stepping up to the plate!
Great presentations Brandon!
Thank you very much!
That’s a really REALLY GREAT presentation ! You’re making learning easy ; thanks to the teaching techniques and communication skills and visual graphics !
Thank you very much for watching
Yes I agree. So many that instruct tend to leave out certain information and details that are very important that coincide in/of the process, as if the student/viewer should already know of it. "Like duuh" or "Hello Mcfly!!"
Or the teacher isn't as knowledgeable and/or experienced on every aspect of "said" operation of that particular part at hand.
I know when I'm learning a new diagnostic procedure from reading and/or watching multiple videos to get every contingency and not miss anything, I'll go try it on my car but I find at times I'm not getting proper or any results period at times.
"Are my tools or equipment failing?" "What am I missing or doing wrong here?" After many more hours researching I'll find that one finite detail in the process to be aware of that answers everything. Maybe, sometimes 1 out of 100 instructional explanations will have that very important, finite detail that solves all of it. Anyways, VERY well done!
Thank you.
@@kodiakkyle1 , thank you so much!
Thanks so much for watching and for the great feedback,@@kodiakkyle1
Excellent video my friend. Keep up the good work
Thank you!
Great video Brendon! Keep up the fantastic work!
Thanks, Dan!
👍 thanks for sharing this valuable info!
My pleasure, thank you for watching!
Great information
Thank you!
what a fantastic video!!
Thank you!
Great video
Thank you. I hope it can help you.
Fantastic teacher! You are on the level of the lexus engineers at lexus corp here on east cost!
Thank you, Jason. Brandon has many years of practice but it's simply a matter of understanding how things function at their most basic level.
When I started as a technician back in the 70s at a GM dealership. We had one large scope on wheels it’s was used only for this type of analysis. Today it seems the scope is the new test light. I left working as a technician and joined the military and got away from automotive work. Today I am learning everything I can . Fun fact every time I hear plasma I think of blood plasma. 🤓
Thanks for the update. I've seen COP coils with 4 wires. Is that the wire that "sees" the spark plug firing event and reports that to the ECM or PCM?
You’re very welcome. Some manufacturers utilize a 4-wire COP:
-voltage supply
-ground supply
-command
-feedback
Exelente la informacion muchas gracias
Muchas gracias!
Thanks @brandonsteckler3417 , you made it simple to understand. Nice to see the origin of where the energy comes from and how it's plotted out on the screen. Are COP paddles applicable to all styles or are some just to insulated to get a useable reading? Can you give an example of when this might not work?
Hi, Great question! Some COPs are very well insulated and pose a challenge to obtain a usable capacitive waveform. Honda, for instance, has very heavy nickel-plating for insulation which can make it difficult. In that case, i step the coil out of the spark plug wells (using a high-tension cable) and allow the paddle to obtain the waveform from the cable.
Thanks for sharing. I too have this 'mossoak' kit that was bundled w/ my Maxisys Ultra, making it a screaming deal (plug: aeswave).
In this video, it does mention the attenuator, but when talking about the primary side of the coil. Not sure when to use the attenuator. Primary, secondary, both? Seems to me it would be best suited for secondary ignition due to it being high kv but it wasn't shown being used in this video. Does this mean that this is because the wand has a built in attenuator, and the scope setting automagically adjusts for it?
By the way, there were no attenuators in this kit, however, in the Maxisys Ultra there were two.
Thanks.
Great question:
The Autel MS919 kit includes two 20:1 attenuators. They are utilized when obtaining voltage acquisitions from a circuit with an inductive device as some can kick voltage up as high as several hundred volts. Even a small relay coil generates an inductive kick, although not nearly as high.
We don't need an attenuator for secondary ignition events as they are typically captured capacitively. We affix a capacitive probe to the exterior of the ignition cable delivering the spark, or with a wand like exhibited in the video. The signal induced in those devices is proportional to what is actually traveling within the ignition cable, meaning it is not a direct voltage measurement.
Brilliant video
Thanks for sharing your knowledge
BRANDON STECKLER MOTOR AGE
👍
SHARP, BRANDON STECKLER MOTOR AGE
from Nick Ayivor from London England UK 🇬🇧 ⏰️ 19:14pm. Good Evening
Thank you very much, Nick
Will there be any 3 phase motor diagnostic videos? Used in fuel pump and hybrid
Hello, Pete covered some of this in The Trainer #138 (ruclips.net/video/6ni2XVXDtcE/видео.html)
Do you have any videos where you use this equipment?
Hello, Brandon is developing an ignition waveform analysis class currently and videos will likely follow. stay tuned!
If the burn-line starts higher on the firing line, it means there's resistance in the secondary. But what does this means in practice? Could this mean faulty COP if all the other 3 coils(4cyl. engine) display normal waveforms? I always enjoy reading your articles in MotorAge magazine!
For instance, if there was an additional air gap (like a damaged COP boot that won’t properly secure to the coil) the spark kV point would be elevated. You can experiment by recording the data as I have and slowly pulling the COP out of the spark plug tube of the cylinder head.
However, be cautious as this will also elevate the firing voltage and could damage the coil/ create an additional path for spark to seek ground (insulation breakdown)
@@brandonsteckler3417 I have been trying to find the answer to this question. Thanks!! If the spark KV point was lower on the KV inductive kick line, what could that mean? Also, a high upward spike at the end of a burn line could indicate lean, right? What about a large downward spike at the end of a burn line? What would that tell us?
@@Z14kt12timandjes1 ,
These are all great questions or require a little bit of explanation. If you can bear with me, I’m assembling a class that should be ready sometime early in 2024. That will give me an opportunity to address these questions properly.
@@brandonsteckler3417 Sounds great. Looking forward to it.
Great video sir. Does that cop waveform at the end look a slight btut rich to you? Spark line pointing down a hair.
No, if I were to zoom in and view a tighter capture, it would look more accurate.
Interpreting these waveforms takes practice.
Thank you very much
@@brandonsteckler3417 thank you Brandon for your response.
Damit man times have changed! Sure miss the old cars lol 😮
We just have to adapt, like we do to all the advances in vehicle technology
Good work as always . Thank you. Will you be publishing a book on this.
Thank you! I’m developing a class that will launch sometime in early to mid 2024
@@brandonsteckler3417 That's brilliant. Your book and training on . In cylinder diagnostics was n great buy and awesome reference manual. Will definitely invest in your training materials
Thanks so much. Im glad you are finding them useful. that was my goal, @@wentzelnel7723