This is hacker public radio episode, 3,375 for Friday, the 9th of July 2021.
Today's show is entitled, CaroDB2 Fun and Fail.
It is the 70th show of operator, and is about 10 minutes long,
and carries a clean flag.
The summary is, I try to figure out ODB2 stuff again.
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Hello everyone, welcome back to the episode I prepared for the video with your host
operator.
I'm going to be talking about ODB sensors and troubleshooting maybe your car, diagnostic car,
diagnostic stuff using an app called Torque for Android and HB2 sensor.
Now, when I first originally said I was going to talk about this,
I thought I knew more about the whole thing than I did,
but apparently there's kind of cheap ODB2 sensors and there's more expensive ones.
The one I have is the cheaper one where you can only read certain range of codes or something,
and then you have other ones that can read ABS codes and some other codes.
The one you get when you go to the hardware store to get your car checked,
they can do more extensive tests.
It's like a $2,000 thing.
I don't know how much the fancy ones are.
But the one I have is just a Bluetooth ODB2 sensor that goes for my,
for my, was for my maximum, but I use it on my infinity now.
And it's a little tricky if you are new to cars and new to,
I don't know, just how ODB2 works.
I haven't done any research about it. I just installed app and try to make it work.
So as far as, as far as being a person that knows a lot about this,
I don't. I just know that there's a difference between the cheap little ODB2 sensors,
like 15 bucks that I bought or 60 bucks or whatever,
that I bought in like the real ones that can do like ABS stuff.
So you plug a cheap ODB2 sensor in there, you turn it on, you run it drive your car,
and you don't have any air codes.
I mean that something is not throwing in air somewhere,
because there's other ODB2 stuff.
So you can find my infinity crap audio.
If you Google infinity crap audio, you'll find my,
my post online about the infinity cars.
Base model has really bad audio.
No auxiliary input or anything.
So I found my post. I've recently,
first thing it was used for troubleshooting my maximum.
And this time it was used for troubleshooting my VCD,
which is like the traction control vehicle, dynamic control,
kind of like traction control and other stuff like ABS and all that.
So I was like, put a post on here where I performed a reset.
I provided a CSV of all the information I could possibly vlog while I was driving.
And I did all these things to try to figure out what's going on.
I have lights coming on for the traction control and all that.
But I really, I think I really need a one that shows like ABS
and like any like VCD type of issues.
And I don't think the one that has that.
So this guy says you may want to scan the ABS module for codes,
which I thought I could do that with torque.
I think you can do that with torque,
but the ODBT sensor I have is not picking anything up.
So I guess it kind of scans or brute force scans the,
the pits looking for data there.
I want to say it feels like an S&P walk from a coming from a computer.
Background where you're walking some kind of numerical sequential tree of numbers.
So the way S&P works is like there's 1.2.3.4 and then,
4.4.5.6.7.8.9.10 and then maybe it goes up to 30.
And then the next one next number is 2 and that goes up to 5.
And it's kind of a tree structure separated by dots and decimals.
So it feels like it's kind of like that where there's like a range of numbers that
have that had to do with ABS on all parts or it scans for these codes or whatever.
And I had the enhanced diagnostics and enhanced advanced,
you know, infinity modules.
There's like two of them actually that are installed.
And it didn't pick up anything.
It took us like a screenshot stuff.
How is it scanning for pits on the ECU?
I never found anything.
Things are good.
But I think it's, you know,
the Torque Pro within infinity plugins only show in hand ECV is.
So that isn't going to help with ABS at VCD.
Okay.
So Torque Pro within infinity plugins only show enhanced ECV pits data.
So that isn't going to help with ABS, VCD issues.
ODEV fusion with the enhanced diagnostics scan,
can clear and show live data like individual wheel speeds
and plus 40 other ABS module that they did items.
So what he's saying here is basically either my scanner or my app is.
From what it looks like he says the app isn't going to cover what I need.
And then I need to get some other app and he suggested ODEV fusion
and enhanced diagnostics.
So for a $14 plus $7,
I can get this enhanced diagnostic thing.
So anyways,
if you're looking to try to troubleshoot what's wrong with your car
and you think buying an ODEVT sensor will help with that.
You're better off just one off going to a hardware store
and having them plug in the fancy one and scan on your codes for you.
If you want to have them scanned for specific areas, I guess,
of the pits for certain stuff.
I haven't really honestly gotten a whole lot of use out of it.
I think I had, I kept having gas issues.
Like a lot of times if you have an aftermarket gas cap or something like that
or you don't screw your gas cap in all the way,
there's a bad seal.
You'll get errors from the ECU about gas pressure or whatever it is.
And I was getting a lot of those of the maxima I think.
And that's why I bought it originally to try to troubleshoot.
Why I was getting that and I think it ended up being
just aftermarket gas cap that I had on there because I had left mine
off on the thing and then drove off.
And I think that's what it was.
Or I just wasn't screwing it in tight enough anyways.
I think that's the only reason this really ever really helped me.
Most of the time I just use it to clear codes on the dash
when I know I've fixed whatever the problem is.
But the great thing, what I'll say on top of that is
I've got some stuff from niceoclub.com.
Nico club which has infinity documentation or
the mechanics guide or whatever.
So there's the book that you get when you buy the car that's absolutely useless.
It tells you what kind of gas you get.
That's about it.
And then there's the actual manual for your car that shows like
straight up it shows like everything.
Like the pin-outs of your of your head unit and how they work and which one
which wire goes to what which.
From my background and computers usually you don't get that detailed
information about how a device works.
You hit the kind of hack it and figure it out yourself.
And that's what I was trying to do in my car and I believe like three
fees and that's probably why.
I have some air codes on the ECU and I wouldn't be surprised
if I had to replace the ECU because I melted something.
Um, important in there.
So I'm not looking forward to that repair but I used it to help
these pdf versions of the documentation or the manuals or whatever.
Mechanics guides for fixing stuff in my car.
The cool thing about them is that when you get the pdf versions
at least with infinity in this website, um, when you go to a section
it'll have like troubleshooting guides and you click it and it takes you
it's like a bookmark that takes you to the part
step team to follow.
Oh, if it's lights on then do this to that to this.
If you see this light on then do this to that to that.
It's just lights not on then do this to that to that.
Um, and it shows you kind of how to figure out what's wrong with your car
just by reading this, this manual.
So I thought it was kind of interesting that it had troubleshooting steps
in there and it was bookmarks and it just had a puns of information about, you know,
all the connections in your car and electronics and how everything works.
So, um, I was actually surprised.
I'm not a car person.
But I was actually surprised to see that I could just download the manual
from my car and legit like if something's wrong.
I could kind of figure it out myself to be honest.
But that again, you know, you got stuff like computer stuff that starts
to get to complicated.
Anyways, um, that's my experience with Adobe too stuff.
Obviously not an expert, but um, it has come in handy a couple of times
trying to troubleshoot something.
But for the average Joe, you know, just take it to the shop
or take it to the hardware store and they'll do the fancy scanner on it
and give you some more information.
You can come back and say, oh, I want you to do it.
It's a busy, a PCV scan to try to find, you know, some issues
with that section of the PCU or whatever.
But anyways, hope that helps out.
And, uh, y'all take it easy. Have a good one. Stay safe.
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