Accomplished New level Auto Video great tutorial👌Thank you very much take care and have a great Evening Accomplished New level Auto From Nick Ayivor from London England UK 🇬🇧
I mainly do big trucks and industrial engines . These simple. Videos have provided a foundation for me that goes beyond the trouble tree schematics that take you no were techs in the big stuff struggle with J1939 issues because they dont understand the basics steps of diagnosing that 2.5 volt and scoping the signal they just want to ohm the pins and move on Point being thank you for your very amazing videos
That is an awesome compliment! I really am happy that I can help ! And keep going out there and show the others up. All they can do is follow your lead
You're an automotive wizard! You've proven yet again that that a scope is a necessity in this field. Nice work, I always learn something from your videos.
Keith, seriously. I'm mind blown how you diagnose that quickly lol. I tried to follow how your thought processes go. I'm not a wizard not even close at all. But this is great lesson for me to learn something so cool how to do. Great class :) you da man! Many many thumbs up
What causes the elevated voltage? I'd imagine it has to be a bad, or lack of a ground internal to the ABS unit? Amazing how one unit can bring down the whole works, and leave you walking!! Welcome to the 21st Century ... 😂 You and the family have a very Merry Christmas, and a Happy, Prosperous New Year. God bless you, brother. Thanks for all you do!
Smart thinking on the ground. That's was the only 2 wires I had left to verify. After testing them it was found that indeed the problem must be internal . Merry Christmas to you and your family as well
I have an 06 Frontier V6. I'm keeping this video for reference. Mine has ABS, but no Traction Control. It does have 4WD with a 6 Speed Man Trans and a 4.0 L engine. Cold EZE works for me. Merry Christmas
First Bam! Ok ok I’m not first. This was a walk in the park for the magical mystifying Keith D 😂😂 excellent video my friend. Merry Xmas to you and yours and the rest of the UA-cam family.
In the IT network world this type of behavior would be considered a denial of service attack when bad packets flood the network and no one else can talk. I can just see a firewall/gateway on the CAN bus in the future where all modules go through the gateway and the gateway stops the packets from a bad module as well as identifies and turns off that module. I think some systems like on Hondas they do isolate certain modules and the DLC behind a gateway but more for prioritization so lower level functions don't interfere with the more critical module functions.
Great video Keith...I tried pausing the video to pull up the Computer Data network diagram to see where you were going with it and I found where all the K-lines come to a splice point in which they all converge. What I'm wondering is why the SRS and ABS were the only two not communicating to the DLC? Since your DLC connection point is at that splice point as well? It seems odd that those two failed to talk; yet all others were still able to push messages through it? Is this due to them having HS CAN lines? Weird how that happens, but in either case, I kind of figured some type of unplug it test was coming up. Great time following along as always. Get some rest man!
What's the likelihood of a short to ground on one of those wires? What's your approach for shorts, do you do it like the manual says, disconnect plug, check for continuity & resistance? Thanks in advance.
Of course ! I have one now that I'm working on that has been a mind baffle for many before reaching me . So far all of their testing was spot on and the vehicle is indeed still broken. I've got about 2 visits at 2 hours a piece into it and more to go for sure .
The ABS Module is just speaking in tongues. I heard that's common on the Island after a night of heavy drinking. Jus' let him sleep it off. He'll be fine after some comfort food and a coffee.
Does it ever turn out to be a bad sensor input to the module, rather than a primary module problem? I'm wondering if you need to go through the effort of disconnecting the wheel sensor input signals to see if the problem persists....
That's an awesome question! The answer is yes depending upon the type of sensor they use ! An active wheel speed sensor that uses a 12v supply is indeed possible. HOWEVER, what I have found up to this point is that when the voltage is interrupted on most of them , the abs module will in turn remove the 12v altogether until key is cycled
The Godfather is back Keith “EasyPeasy” Defazio. Can this be caused by an input/output to/from the ABS being bad, causing the module to not communicate 🤔
@@kirkabrahamson1148 there you go fellas , if the module has a poor ground supply, then there will be a inability to pull that signal low as designed 👍👍
Pretty much every manufacturer out there. There are different strategies that can be used at times where the signal will be manipulated by a gateway module. But they are so few that chances of seeing one here is very slim
Seems like ABS modules contribute to a significant number of CAN bus failures? (perhaps because they are continually exposed to engine bay conditions) Considering how easy the ABS module is to disconnect (usually) it might save some time to unplug them briefly every time a bus problem seems apparent. Also interesting that, in many cases, the failure seems to be front end and exert a positive DC bias to the signals. Hope one day I can't tear one down & find out what is being hosed on these, when I find one. Have you noticed that while ECMs are designed to closely monitor the voltage, current and, sometimes, the load resistance on the various I/O lines, they don't do a great job analyzing the CAN bus lines themselves? A pity as it means any module on the HS bus could leave you walking..
I think that in the very near future we will be seeing more of the Smart Can bus systems . Be sure to check out Chris' video here ua-cam.com/video/oj5IWlRbRL0/v-deo.html
I’m curios,why do you think it’s almost always the ABS module that messes up the signal on the communication lines? I’ve never ran into it myself but I’ve seen at least 4-5 videos and it was always the ABS module.
We shouldn't have a sine wave . We should have a square wave , actually a series of square waves forming data packets. Yes the abs module was bad and yes it was replaced this morning and vehicle is back on the road once again. Thanks for watching
Too much voltage equals short to ground in the can bus trick to diagnosis is the biased voltage reading in this case 6 volts too high short to ground it's not magic although Keith is a diagnosis wizard lol
Accomplished New level Auto
Video great tutorial👌Thank you very much take care and have a great Evening
Accomplished New level Auto
From Nick Ayivor from London England UK 🇬🇧
Simply Brilliant, Keith. Your thought process and testing is so dialed in! It's like the 6th sense haha
Ahhh c'mon now . You'd have this figured out in the same amount of time I'm sure 👍👍👍
Merry Christmas you too! Both of you guys are awsome
Pine Hollow Auto Diagnostics he has that 6th sense i mean there is no doubt about it, a lot of experience also which makes him the best! 😊
I mainly do big trucks and industrial engines .
These simple. Videos have provided a foundation for me that goes beyond the trouble tree schematics that take you no were
techs in the big stuff struggle with J1939 issues because they dont understand the basics steps of diagnosing that 2.5 volt and scoping the signal they just want to ohm the pins and move on
Point being thank you for your very amazing videos
That is an awesome compliment! I really am happy that I can help ! And keep going out there and show the others up. All they can do is follow your lead
I ALWAYS look forward to your videos. Thank you for sharing. You make this look so easy.
The Master Diagnostician!!! Always at his best!! Nice one Keith!!
Keith,
Excellent diagnosis, thought process, and video - thank you!
Merry Christmas
God bless
Paul (in MA)
Another great video, keith! I always love your thought process!
Another great CAN line video, appreciate it....and Merry Christmas Keith
Nice work, making it look simple.
Thank you Keith. Hope you get well soon. I appreciate your videos brother. Have a blessed and safe week. Merry Christmas to you and your family.
I bow to your knowledge and experience. TY I have learned alot from you. Merry Christmas to you and yours.
Sounds like you've catched a cold🤧! But it's not slowing you down💪
Merry Christmas Dan and Keith! I love both of you guys and the SUPERB skills that you share with all of us!
Another great one Keith! Thanks for sharing and bringing us along. Merry Christmas to you and yours as well.
Nissan Frontier: the very best of 1990s automotive technology you can still buy in 2019. Thanks and Merry Christmas, Keith--feel better!
You're an automotive wizard! You've proven yet again that that a scope is a necessity in this field. Nice work, I always learn something from your videos.
Thanks Keith! You can't help but learn here!
Merry Christmas and all good wishes to everyone!
TakeCare,
Bill
Happy Holidays M. Keith and Family from up north waaaaayyyyy up !
Darn it Keith..
You make this look so easy.
Gonna have to follow along on the facebook page😁😁😁😁
Awesome man you just answered a few questions I had about the setting Varus scope...and nicely done btw.
Keith, seriously. I'm mind blown how you diagnose that quickly lol. I tried to follow how your thought processes go. I'm not a wizard not even close at all. But this is great lesson for me to learn something so cool how to do. Great class :) you da man! Many many thumbs up
Love the way you think and your approach at finding the problem, good stuff man..Liked and Subbed..
Glad you had a chance to stop in 👍
Merry Christmas you also! As always looking forward to more of your videos Keith.
Man I hope your feeling better by now. It must be a good feeling when the car starts. Nice find.
Hey Keith, nice to see you again. Thanks for sharing.
Happy holidays to you and the family.
Still looking for those stickers.
Thanks Keith. Feel better. Merry Christmas to you Rocco,wife and family. Enjoy👍👍❤
Thanks Keith. Merry Christmas to you and the family.
Wishing a very Merry Christmas to you and your family. Thanks for the video.
Awesome one Keith!! Merry Christmas to you and yours as well!!
What causes the elevated voltage? I'd imagine it has to be a bad, or lack of a ground internal to the ABS unit? Amazing how one unit can bring down the whole works, and leave you walking!! Welcome to the 21st Century ... 😂
You and the family have a very Merry Christmas, and a Happy, Prosperous New Year. God bless you, brother. Thanks for all you do!
Smart thinking on the ground. That's was the only 2 wires I had left to verify. After testing them it was found that indeed the problem must be internal . Merry Christmas to you and your family as well
Yes He makes it look EASY , Still learning on my end THANKS !
Glad to see the intro back up to specification!
thanks Keith. Have a great Holliday season.
I’m always amazed how quickly you diag a vehicle.
I have an 06 Frontier V6. I'm keeping this video for reference. Mine has ABS, but no Traction Control. It does have 4WD with a 6 Speed Man Trans and a 4.0 L engine. Cold EZE works for me. Merry Christmas
Great job again like always
Merry Christmas to u Keith another great video
First Bam! Ok ok I’m not first. This was a walk in the park for the magical mystifying Keith D 😂😂 excellent video my friend. Merry Xmas to you and yours and the rest of the UA-cam family.
Merry Xmas Keith nice diag good thought process
Thanks Keith. Merry Christmas.
hope you feel better, good stuff as always
Nice work! Merry Christmas to you as well!
Super fast diagnosis, feel better Keith!
Awesome diag Keith!
Thank you!! Great video.
Thanks Keith. Merry Christmas
Nice Keith. How nice of them to put that abs module so we can get to it.
Bro. loving it.
Keith always make diag look easy
Merry Christmas to you and your family Kieth
You made it look easy Keith! Not to much snot dripped
Nice video Keith !
Awesome content...thanks for sharing
great job Keith thanks
Well done. Get well soon.
Oh I forgot Hope all is well and Covid stays away from you and all others in the world. I've been lucky so far.
In the IT network world this type of behavior would be considered a denial of service attack when bad packets flood the network and no one else can talk. I can just see a firewall/gateway on the CAN bus in the future where all modules go through the gateway and the gateway stops the packets from a bad module as well as identifies and turns off that module. I think some systems like on Hondas they do isolate certain modules and the DLC behind a gateway but more for prioritization so lower level functions don't interfere with the more critical module functions.
Thanks for the video.
BEST ❤
Very Nice!
Hello Hello Hello. Hope you feel better soon.
Nice find Keith. I'm going have to go to the diagram and follow along on this one 😉
Nice work Keith. Love can issues
well done sir , thanks for sharing
Captain Kirk called and admires your Spock like diagnostics..he also said"this is not the Final Frontier"😎 nice vid👍
Oh god Nissnaults 🤢
Excellent video
How are things going up there. God Bless you and your family
Good job 👍 thank you
Great video Keith...I tried pausing the video to pull up the Computer Data network diagram to see where you were going with it and I found where all the K-lines come to a splice point in which they all converge. What I'm wondering is why the SRS and ABS were the only two not communicating to the DLC? Since your DLC connection point is at that splice point as well?
It seems odd that those two failed to talk; yet all others were still able to push messages through it? Is this due to them having HS CAN lines?
Weird how that happens, but in either case, I kind of figured some type of unplug it test was coming up. Great time following along as always. Get some rest man!
Merry Christmas
Top
Awesome 🏆
Wow you just ran right threw it like a breeze. 👍🏾
First with the thumbs up 👍👍👍👍💣💣💣
Nice
👍👍
What's the likelihood of a short to ground on one of those wires? What's your approach for shorts, do you do it like the manual says, disconnect plug, check for continuity & resistance? Thanks in advance.
Well God damn, I was about to sell this Infiniti I35 I had with this same issue. Going to scope it and see what I find later today.
Update, fixed, same issue 🙌
Funny enough I was going to ask how it went for you earlier today !
nice diag Kieth, have you ever struggled with a diagnosis, you make it look so effortless ,enjoyed the vid
Of course ! I have one now that I'm working on that has been a mind baffle for many before reaching me . So far all of their testing was spot on and the vehicle is indeed still broken. I've got about 2 visits at 2 hours a piece into it and more to go for sure .
No doubt at all that you will figure it out
@@NewLevelAuto This is the video we all want to see Keith. A multi part PHAD style. Merry Christmas mate
Keith even called me down to look at that one...I would make it a 10-part series haha
@@PineHollowAutoDiagnostics nothing wrong with the multi's Ivan. Love watching the thought processes involved.
Merry Christmas to all.
The ABS Module is just speaking in tongues. I heard that's common on the Island after a night of heavy drinking. Jus' let him sleep it off. He'll be fine after some comfort food and a coffee.
Does it ever turn out to be a bad sensor input to the module, rather than a primary module problem? I'm wondering if you need to go through the effort of disconnecting the wheel sensor input signals to see if the problem persists....
That's an awesome question! The answer is yes depending upon the type of sensor they use ! An active wheel speed sensor that uses a 12v supply is indeed possible. HOWEVER, what I have found up to this point is that when the voltage is interrupted on most of them , the abs module will in turn remove the 12v altogether until key is cycled
second BANG!!
Yay more Nissan ABS issues! They've recalled something like 200,000 odd cars in 2019!🤭
The Godfather is back Keith “EasyPeasy” Defazio. Can this be caused by an input/output to/from the ABS being bad, causing the module to not communicate 🤔
Only thing I really spent time with was checking ground to module. Now , tell me why I was focused on that specifically 🧐😉
The high.....6v signal?
New Level Auto the levitating voltage, it’s like magic 😎
@@kirkabrahamson1148 there you go fellas , if the module has a poor ground supply, then there will be a inability to pull that signal low as designed 👍👍
@@NewLevelAuto my question is answered thanks!
Hey Keith.
Is the slightly higher voltage at the end of a message package the signal that it is the end of the message. If you know what I mean.
ua-cam.com/video/fwPG0mxqK9M/v-deo.html
It's a little drawn out , but this is worth a watch
Is that 2.5 to 3.5 and 2.5 to 1.5 can signal the norm for most makes or just this make
Pretty much every manufacturer out there. There are different strategies that can be used at times where the signal will be manipulated by a gateway module. But they are so few that chances of seeing one here is very slim
Thank you. I appreciate you taking the time to answer my question.
Seems like ABS modules contribute to a significant number of CAN bus failures? (perhaps because they are continually exposed to engine bay conditions) Considering how easy the ABS module is to disconnect (usually) it might save some time to unplug them briefly every time a bus problem seems apparent. Also interesting that, in many cases, the failure seems to be front end and exert a positive DC bias to the signals. Hope one day I can't tear one down & find out what is being hosed on these, when I find one. Have you noticed that while ECMs are designed to closely monitor the voltage, current and, sometimes, the load resistance on the various I/O lines, they don't do a great job analyzing the CAN bus lines themselves? A pity as it means any module on the HS bus could leave you walking..
I think that in the very near future we will be seeing more of the Smart Can bus systems . Be sure to check out Chris' video here ua-cam.com/video/oj5IWlRbRL0/v-deo.html
I’m curios,why do you think it’s almost always the ABS module that messes up the signal on the communication lines? I’ve never ran into it myself but I’ve seen at least 4-5 videos and it was always the ABS module.
Wish I knew Nick. But I probably diagnose 3 a month on average
so the abs was bad.....did he fix it? Lot of sine wave does not tell me the problem exactly.
We shouldn't have a sine wave . We should have a square wave , actually a series of square waves forming data packets. Yes the abs module was bad and yes it was replaced this morning and vehicle is back on the road once again. Thanks for watching
Isn't the ABS module the first place to look for a CAN problem even without a scope LOL, thanks for the case.
First BOOM!
7th bazinga
Anybody got news where did he go. I miss him
Still around. Just busy with multiple projects
The car is dirty, you say? You're papers please . . .
Too much voltage equals short to ground in the can bus trick to diagnosis is the biased voltage reading in this case 6 volts too high short to ground it's not magic although Keith is a diagnosis wizard lol
Cursed Bosch ABS unit