Wideband Install Using Serial Connection and HP Tuners, AEM X-Series
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- เผยแพร่เมื่อ 5 ก.ย. 2024
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What terminals do you put the wires into on the RS232?
I was going to ask same thing.
Blue to 2, ground to 5
What about the others wires I got the connecter but I don't what pos to run to and can I run power from fuse box for guage.
@@TheSmokeattack I ended up just using the egr signal wire instead, much cleaner and easier
@@TheSmokeattack Should be in the manual
This video is still helping people, thank you.
If this guy keeps on he is going to make a fortune and help tons of people. Keep up the good work
Let's just start with helping tons of people!
@@GoatRopeGarage and that's why you will go far my friend
@@GoatRopeGarage Hey, good deeds should be rewarded ! ! ! !
I thought I needed the pro features of the MPVI2 to log my wideband originally, so this video just saved me $250! That's some fine help.
@@RotaryTurbo so I'm new to tuning and just bought hptuner mpvi2 standard and I dont see some of the features that I hear others working with and thought i had to upgrade to pro. But after reading your post I think I just saved 250. Thanks
I ran across this video a few days ago but didn't realize it was what I was looking for . . . after some more research about getting the a wideband into an MPVI2 someone linked back to this and I knew enough to know this is what I needed. And the new LC-1 I have in a box from years ago is going to work perfectly for this. Thanks for taking the time to explain - a huge help.
Hope you and the family are doing well, thanks again, you da man!!!!
Instant sub. I was wondering if I could log my AFR in HPT without spending more money. I have the same AEM gauge. I am going to buy all the same stuff you bought and hook it all in at the same time. Thank you so much for this.
Same question here! Do you need MPVI2 Pro or can you use the standard?
goat rope. think I found my issue. after tinkering with it for about an hour while watching this video I looked over my wiring and I believe when I crimped the connection I crimped it at the rubber insulation and didn't get any of the actual wire because after crimping it in different spots it now works. thank you for making this video
now ive run into another issue. I followed ur video to the T and in my scanner the aem eq ratio is set to read in lambda but it shows afr. I went into transform and changed it to my aem 30-4110 and I cant get it to read in lambda therefore my "maf error" table we setup is reading crazy high numbers.
Make sure your gauge is set to lambda, the data from it will always match the gauge and will show up as such no matter what you select, you can select AFR on the scanner and it will still read lambda when the gauge is set to lambda. Let me know!
I wish you were my neighbor!!!!
Even Mr. Rogers didn't have this good a neighbor!
Love the videos so much knowlege. But man slow down a bit. Got newbies following you. Specially when showing your setup. Some of use trying to copy this.
Facts ¿ he blast through so fast gotta rewind it 10x's
Dude, you’re awesome I finally got one of your process videos to work. You go so fast it’s hard to keep up. Thank you!!
I've tuned on hondata before successfully but HPtuners is new to me and I'm trying to learn. Thanks much for your video, you have taught me a lot
Awesome! This was something I wish I knew before! Always had my wideband pinned to the pcm in place of the egr.
Instrumentation tech here. Preach about the "good enough" attitude.
you are the GOAT of tuning my friend.
greatly appreciate the content! Got my setup going recently again with my 1 pro and i was using analog to tune, Seen more than one person talking about this, one watch and im ready to go!
A problem I ran into is the drivers were not installed for my serial to USB adapter. make sure you have those drivers are installed and you shouldn’t have an issue.
Works! Great merch !
I didn't know that was a thing, thanks for sharing.
You Sir are my latest new Hero, brilliant information here, thank you.
Thanks for watching and subscribing!
Awesome video. One question though, could you clarify which step causes the signal to disappear from the scanner, and why this happens?
2021 here. Thank you for posting this
I log my AEM wideband through the EGR port and setup user maths .. free and easy
Thanks! Was wondering why the gauge did that in lambda... but who cares if there is an easy fix to this. Tuning a 98 Grand Prix GTP, using it as my learning platform.
Awesome Videos, been binge watching them all day.
Quick question……. Instead of using the RS-232 to USB interface cable. Could you not direct wire the AEM Blue wire directly to Pin#3 and the ground to Pin#4 of the USB cable and eliminate the male/female RS-232 connectors. I’m not and electronics expert but we just curious. Thanks
i was wondering the same thing
I believe this won't work because of the signal types.
How do you connect AEM X to the HP tuner mpvi2?
Repoll! Repoll! REPOLL!!!! Finally it doesn't disappear! lol!!!
I have my rs232 signal reporting on a program called putty but HP tuners refuses to grab it. The channel disappears no matter what I try. So frustrating! Hp tuners sent me a link to your video
Hello. Just found your channel and am loving your tutorials. Thank you. My question is, Would I need 2 wideband sensors and gauges if I am running true dual exhaust? I have speed engineer headers and each have an O2 bung to use for narrow band. Also, once done tuning, would i then replace widebands with narrow bands for cruising? Thanks in advance.
Yup, Some how my Tuning Lap Top upgraded to Win11 now my Serial to USB no long reads my Wideband in the logs. Currently looking for a work around.
EDIT: As a side note, I had zero issues before on Win10
This seems to be a common problem, think it has to do with the serial drivers, see if you can update them
First thank you for this video. I want to make sure I understand one thing. Basically the OBD port connects to MPVI2 with OBD extension cable or MPVI2 connects directly to the OBD port. Then the MPVI2 unit has a USB cable that I would connect to the USB hub. The AEM 30-4110 has a connector with bare wires. I use that to make the RS-232 Serial Device cable and connect the serial to USB adapter to the USB hub. The same USB hub that the MPVI2 is connected to. Then I connect the USB Hub to the computer. Am I correct with the setup?
(Basically Wideband and MPVI2 are connected together and sent to computer via a USB hub.)
Yep, nailed it!
Thanks for asking this question, this is my exact situation. Any advice?
The information was very helpful. Would like to know how to add a wideband that is not in the list, specifically a Glow Shift 7 color 0 to 5 volt analog. Can not seam to find the info anywhere. Using the serial to USB port. Have the data sheet but do not know where to put it in the scanner
Thanks man for all the videos you are making, I am new to the tuning world and so glad I found your page Subscribed instantly keep up the good work, I was wondering can I just skip using the serial data plug and wire it strait into a USB plug and skip the extra connection, I am not mounting it in one vehicle want to be able to use it in more than one vehicle so it wont be solid mounted?
You have to get a serial to USB, as that had a chip in it that converts the communication protocol. But they make some that you can splice or solder together.
@@GoatRopeGarage 10-4 thank you sir most helpful
My fix to the wideband disappearing from channel list:
I had all the cables plugged into the laptop and had the scanner open and ready, started the car, hit scan, the wideband stayed in the channels list and histogram started populating as it should.
And I'm running Windows 7.
so what if you're trying to tune something with true dual exhaust? do you have to run two widebands or will the single wideband be accurate for whichever bank it is on?
I'm getting close to installing my 0300 to my lm7 shittyrado!
Still not quite clear on the ground. I have the black and blue wires hooked to serial. Diagram shows a spliced ground of sorts to the battery. Do I just tap an extra long ground wire to the battery from the serial?
No, any chassis ground will work
Hi Kyle, Thanks for this video, have just received my AEM 30-0300 X-Sereis Uego Gauge, my question is regarding the MVPI2 dongle.
Do you think I will need to purchase the Pro link to run the AEM gauge, I will be installing the gauge as per this video.
Thanks man.
Nope, get the serial to USB stuff, save the money on the pro link
@@GoatRopeGarage Thanks so much for your quick reply, Have a great week end.
@@darwinfridgeseals741 I bought the same gauge you mention above. Extended the blue wire to reach where I needed it to and then ran the ground for both the AFR and serial to the same point. Easy Peasy...
Thanks for all the videos!
I have a 2015 Sierra 5.3, and I just bought the MPVI2 and want to get started.
I would like to use the tuner on my buddy?s truck as well, and so I am wondering if it is possible to only temporarily install the wideband in a factory O2 bung during logging and tuning. Then replace the factory sensor for normal use, I realize after every modification I would need to reinstall it to update the tune. I don't particularly want to get a bung welded on, and as I said I want to be able to tune other vehicles.
If I go down this route, what steps would I need to take in order to tune? I'm assuming force Open Loop. Are there any SES/DTCs to disable? Do I leave the factory narrowband connected to its harness but loose, or should I remove it?
Many thanks!
Chris
The two wires coming from the Wideband to the serial adapter. Does it matter where they go in the serial adapter?
Yeah, it will be on pin 2 and 3, if it doesn't work try switching them
Cool thank you
I was curious on why you couldn’t just used a male usb connector and wire it that way instead of wiring up with db9
I’m wonder the same thing.
Is there an updated version for the MPVI3 by chance? Seems it is kind of done differently. On you advice I did pick up the AEM gauge for tuning my Suburban.
Damn ive tried every type of serial connector and just can not get my hptuners to see AFR. as soon as i start scanning the channel just disappears..
Hey Kyle. Great work on the channel. Much appreciated. I hope I didn’t overlook this but I was looking for the reason for using usb2.0 instead of 3.0. I’m looking at new laptops and some don’t come with 2.0. Any specific reason for one over the other? Appreciate the help.
Should be alright, though sometimes things just don't want to work right on USB 2
@@GoatRopeGarage Thank you for all the videos! So we *do* want usb3 if possible? You recommend 2.0 in video
Some don't like the USB 3 ports on the computer for what ever reason, so if you have a USB 2 port always try that one first
@goatropegarage
On Jeremy's post you can't look at the comments to see what was said about where the wires go in the rs232 connector....
Blue to 2, black to 5
Thank you for this video and the links subbed.
Hey There
Awesome videos been binge watching them all day.
My question is instead of using the RS-232 to USB interface cable. Could you not just a 2.0 USB cable and hook the data cable(blue wire) from AF Gauge to pin#3 and the ground into Pin#4 of the USB and not use the male/female RS-232 cables. I’m not electronics wizard but was just curious.
I have the mpvi2 and dont want to buy pro link and pro feature. Can I use this option to connect my wb to data log?
Yep, scanner is the same.
Just a quick question . WHY did you use the transform instead of the decimal add or subtract ?
Decimal add or subtract just adds digits behind the decimal point
It seems HP Tuners rolled back features in theor updates. I was able to log my AEM EQ without Pro features using the OBD input when I first bought it. I haven't tuned in a year and now the AEM disappears no matter what when I start logging.
Update: I figured out how to log an AEM OBD wideband WITHOUT pro features and it won't disappear during a log!
@@ryancrisp6786 I'm having the same issue
Nice video, this looks like a easy way to hook up the wideband, this might be dumb question but how you figure out what pins to hook the data wire to?
Chris, it's in the manual but it uses the standard RS-232 pinout (2 wires done it only communicates from the gauge as opposed to 3 wires needed for bidirectional communication), in this case it would be pin 2 for comms and then pin 5 for ground.
Ok thank you for the info, I’ll give it all a try way cheaper then buying the pro Version lol
Do you splice into the same ground as the wideband for the ground?
You don't have to
Any chassis ground will do?
lol time to put snubbers on all my inductive loads
Is a 12v positive needed? I’m guessing just hook to the red wire from cigarette lighter if so?
Do I need the pro link cable to use the aem wideband 0300 with mpvi3 for the serial hookup for logging?
No you don't, don't even waste your money on the Prolink. This will work fine via serial using this method.
I am having problems seeing wide band. Innovate duel wide band. Comes with plug in adapter to serial. I can add channel to pid list, but when I click the record button it goes away. Stop recording and it comes back. Any ideas?
I'm trying to wire prolink+ to a AEM x-series 30-0310 what wires get connected to each other I can't find any directions on this
Hi , I have an AEM 30-0300 X wideband gauge , I just want to be able to log the AFR is there a simple plug in data logger for this ,so can then download to my laptop ? can suggest as may as possible that will work with this gauge Cheers .
Doesn't AEM offer a simple software logger for that for free? If have to double check as I only run it with HP Tuners
Great video
If you are deleting rear o2's, can you just take the power and signal return from one of those channels and data log it that way? I'm just getting started with mine.
Great vid I’ve come across a problem I get the Pid to show up but when I record it disappears and does not log the graph shows lamda but with a number that doesn’t change the computer I’m using does recognize the 232 and the settings were as u describe in the vid. Do u have any ideas? I have not updated from HP perhaps I will try this tonight.
Thx for all u do great work brotha 👍🏼
Reboot your computer with the adapter plugged in. Fairly common issue.
Great channel. Do I need to sensors if I have dual exhaust. 68 Camaro
I did everything you said and it still goes away
I have an MPVI2 Pro with the Pro- Link. I am trying to hook up 2 AEM FAE 02's. Is it better to use the analog on the Pro-Link or the canbus option?
Can bus is 10x better and more accurate.
@dsmubz the problem is you can only hook up 1 canbus at a time. =(
Hey, great video. I watched it awhile back and there was a link to the parts you used to build it. It's gone now?? What's the part that you made specifically? I think I've got the rest of it. Thank you. Keep up the awesome vids.
I'll try to put them back in the description, sorry about that!
Or if you tell me how to wire that part up would be awesome....I've got 1 on the way...but I have to wire it.....thanks again...
@@toddwaldeck7065 you hook it up to the receive data, pin 2 and ground pin 5. Just look up serial port pins on Google, it's a standard pin out
@@GoatRopeGarage on a aem 30-0300, blue wire on pin 2, black on pin 5 , which is grounded, am I correct?
Thanks so very much for your vids man!!!
I have a custom wideband and I did what you did in this video and as soon as I start monitoring it is disappeared from the channel and the wideband have no value in the chart. I have checked the wide band it is working properly and downloaded and applicant to check if it was connected to the pc and it was connected so therefore there is no issue with the wiring and the connect. tried to reboot while the serial to usb pluged into laptop nothing happened.
Which wideband are you using?
It doesn't go away when I connect it goes away when I start logging do you have any ideas thank you
Check your device manager and delete any other com ports besides the USB one
So you need to have pro feature set to do this.
How do I wire into the 232 port? Should I buy a male 232 and lop the end off so I can splice into the appropriate wire from my gauge so I have something to plug into the adapter cable?
When is the mvpi3 prolink to wideband o2 video coming out
I can do one if those, but it’s pretty straight forward, you will have an analog out and a ground that needs to be connected to the prolink, then in the scanner look for the pro-link analog inputs
@@GoatRopeGarage i thought that i would need to repin the plug. I have the aem 30-0300.
Question, you speak about the noise coming from the power source can affect the gauge readings, would it be better if I powered it from a filtered 12v source like a pololu?
Can you send me everything I need from the tuner standard or pro ? 5he whole parts list if possible this gets confusing with this one says this and another saying something else thanks in advance
Did i understand this right So if I have a mpvi2 with an aem wideband x series with obd2 harness I plug my new serial port USB side to the laptop and my db9 to another female db9 and through both of them will be the power and ground wires from my wideband gauge which used to go into a cigarette lighter wiring from the tuning school and now I can tune 3rd Gen gm vehicles without buying a pro feature and a pro link right? But now since I replaced the ciggerate lighter wiring to this serial db9 serial ports where is my wideband getting power from laptop ?
On a v8 with a long y pipe, do u need 2 wideband sensors, one for each side, or can u use just one where the pipe connects together about 4' down the pipe?
Just one, and you don't need to put it near the Y pipe, just keep it before any cats of you have them. It doesn't need exhaust flow from both banks, your changing fueling to the engine as a whole so either side is representative of the total AFR.
Why does AFR only show only in tenths in serial mode when my gauge will show the hundredths decimal ? Is that why you tune in Lambda ?
Someone please help me out. I take the blue wire from the harness and put it on terminal 2 and the black wire from the harness to terminal 5? Or do I ground the black wire and separate ground to terminal 5?
Is this wideband & lambda tuning set up an ideal path for dialing in a gen III lq4 vs narrow band afr ? I have an OG mvpi looking to get my feet wet tuning my wife’s 01 denali.
My wide band still doesn’t work on mine, it shows up then disappears, I don’t know what to try next
Remove any other comm ports other than your serial to USB adapter.
Hey man, got my AEM connected to rs232 to HP and the gauge and computer are reading different values. Gauge is reading rich at 13 and HP is reading 1.35 lambda. Any ideas?
You been a huge help. Thanks.
Hey thanks so much for this video! That is awesome info.
Is there a particular reason that you went through an RS-232 connector? I'm wondering if I can't just take the signal and ground from the wideband spliced to a USB connector which plugs into the USB hub. Is there any reason that wouldn't work? I don't want to include the RS-232 connector if it's not actually doing anything.
You have two output options, an analog and a serial (rs-232), neither if which are supported by USB natively, the serial adapter is the easiest and cheapest way of doing it.
@@GoatRopeGarage I guess I don't really understand what the serial connector is doing beyond being a pass-through then. Does the serial-to-USB adapter cable manipulate the signal in some way?
@Robert Cote yep, it changes the 232 signal to something that can be read via USB. Unless your laptop/computer has an old school DB9 serial port you are going to have to use a serial to USB adapter. You have to think of USB as the highway in which the data is transferred on, the serial to USB adapter puts the wideband data in a car so it can drive on that highway.
Hey man,
I'm trying to tune a 3800SC that's in the back of my fiero. I'm using HP tuners, and have a AEM 4110. I have a db9 cable wired into the gauge, and the same db9 to USB cables I saw was used in the TH-cam video about this. I've checked the drivers, and shut down the computer and started it up with the hp tuner and wodebamd connected. Even with all this, as soon as I hit log my wodeband dissappear.
Any other ideas?!
BTW love the videos, have helped alot!
Hey Kyle quick question about my serial input. Whenever I begin scanning it disappears until I close the scanner out and reopen it. I do not have any other usb to serial com ports listed in device manager. Any ideas?
I've seen a few different thoughts on how to try to get this to work so I will do some of the suggestions. I will see if I can get something working tonight possibly and update this on what I did.
So I tried to just run the cable first, truck on, plug everything in and then turn on the laptop. Still nothing. Someone says I should switch to pin 3 which does not make sense to me.
I have this same problem
I purchased the exact same WB O2 sensor you have. Will the setup your describing work with the original HPTuners version 2.2 that was discontinued a long time ago? My laptop os is windows 10 with usb 2 ports. 1998 z28 Camaro.
Can you use a 5 volt analogue out put with the mpvi2 using the rs232 serial adapter like you have done on the mpvi1?
New to the tuning world. Would I ever need 2 widebands? Or can all this be done with just the single wideband setup? If a single will do, is there a preference on which bank to put it on?
Just hooked up aem 30-0300 , afr keeps disappearing out of channels when I start logging , serial connection btw
Dave, try to reboot your laptop with the USB adapter plugged in. Common problem
@@GoatRopeGarage woohoo!!!
That's it!
@@andrewsmotorsportsperforma6751 I just had the same issue, reboot didn't fix it this time, i went through multiple combinations to get it back. What I think I did to get it back was, turn key to on position, let gauge go through warmup cycle, and display afr...then rebooted...I tried so many things I am not 100% sure that's what did it...good luck
Goat Rope Garage update, I had it happen again, this time I disabled the com port then enabled it in device manager. I blame win 10😂
Mate can I ask what ECU and car year model, as im going insane trying to get mine to work
Thanks.
Is this still applicable on the MPV3?
Also, is it the “standard” way of connecting a wide-band these days?
Yep, how I do it still
Thank you very much for the response. Do you prefer USB-C these days or still find more stability on USB2.0./3.0?
When pinning out the rs232 connector, do you only use the Black & Blue wires (ground & signal)? Are there additional wires that need to be pinned?
I'm getting the disappearing AEM channel issue when I start to record.
Tried everything you mention and more. Still can't get it to work.
Hey bro sorry to hit you up again so soon but I think you did this video before you got the mpvi2 are you still logging the same I’m fixing to put in my AFR gauges 2 of them? Should I still go head and and use the serial and have you used the blue tooth at all on you mpvi2 data logging ? By the way my truck runs insane that’s why trying to get my gauge in it’s running so good I must have jacked something up lol.
I didn't have to change anything going to the mpvi2 for logging with the Wideband, it's the same.
My serial port worked for a little bit, but then on my dyno day would only read 99.99 idk if my rs32 serial just gave out or what. So idk its driving me crazy
is there a way to run other gauges similar to the wideband using the serial input instead of using the analog on the side of the mpvi1
So does this mean I could have just the mpvi2 without the pro feature package and connect my innovate DLG-1 dual widebands via serial-to-usb into my laptop and add an external serial channel in vcm?
Somewhere i think I remember you stating that if you are taking your readings post CAT that the reading will be off by (0.5). I have recently hooked up an Aem wb and am using the serial method like you have outlined. And i have it reading from the tailpipe adapter tube and my reading at idle is 1.48 lambda. Is this what you were talking about? I was wondering if under transform where it says (input/10+0=output) could correct this by making the (0) a (-0.5) so that it read (input/10+ - .5 = output)??Is this how you would accurately correct for this ?
Hey, great video. Question for you - I am just looking for software to connect to my AEM Air/Fuel Sensor (30-0300) so I can log the AFR data to look at later. Nothing else would be connected. Any suggestions? Not sure I can use the HP tuner software as it wants to "connect to a vehicle" before you can add a new channel. thx
Just create a custom channel list in HP tuner to only show Wide Band information, if using a P01 gen 3 ecu use Pin 55 on blue connector to analog output + (white wire on AEM)
and the brown wire on AEM goes to Analog output which is blue plug pin 40. You will need to add EGR sensor voltage in the channel list, create a new chart, and setup user math for that wide band to covert egr voltage to wideband afrs.
What do you do If you wideband is consistently off. I keep getting a reading in 1.4 area while commanding 1.00. No exhaust leaks and just had AEM warranty a new sensor with no change. It's in the y-pipe behind the bank 1 sensor 1 O2 with no cats. It's got to be in the Transform selector but I can't figure out what numbers to put in there. I have it now just like you did in you video witch gives me the 1.4 reading. It's a 30-0310 AEM with no gauge
Check for leaks, if you are running consistently lean it indicates and exhaust leak.
@@GoatRopeGarage Just in case somebody else comes across this problem. Somebody on the HP forum figured it out. The 30-0310 was just sending the raw data to the scanner. So under transform I divided it by (v)/ 14.65 + 0. On to MAF tuning thanks to Goat Rope!!!
@@blairbarham6532 thanks for responding back!
@@blairbarham6532 Thanks heaps! I've been chasing an odd WB reading for way too long. This fixes everything!
To connect up my AEM x series 30-300 to my MPVI2 will I need the pro feature or just the pro link cable thanks.
Where does the other end of the serial port go? Do you plug the USB side into your MPVI2? Are you using a WB gauge or is the WB connected to the serial port? Can't see anything in video to understand how to connect the WB?
Connects to your tuning laptop
Just to be clear this allows you to data log your AFR without having to buy the pro version?
Correct
Where should I put the sensor. I have three spot on my long tube headers. Speed engineering the two front and one in the y pipe? Can I use the y pipe for a wideband and still get an accurate reading?
Yep
Do you write tunes for anyone? Could use some help writing a tune for a lq4 6.0 with a chaoppacabra cam
Sorry if this was already covered.. But what about feeding the 0-5V output signal from the wideband into some stock sensor input on the car that is not used (EGR?, AC Pressure?, Some other deleted sensor) so long as you make sure the incoming data is not used by the PCM as a modifier (disabled in your tune). Then you could add that PID in the scanner and set it up much the same way. Would that work? Am I on the right track. lol Thanks (Love all your videos BTW) EDIT: OR IS THIS METHOD EQUIVALENT TO WHAT YOU EXPLAIN AT THE 4:00 MARK? (So bottom line you prefer the serial)
Yeah, that works, and is the best way if you're not using the pro features or the serial input. There should be some tutorials out there in his to do it but I haven't done it so I won't be doing a video on it.
@@GoatRopeGarage well.. here I sit watching these videos again two years later ... I never "found the time" to hook this up... but still driving my truck daily with twin turbos spooling up but not building boost cuz they both just dump to open air. I'm just making sure I don't have any oil leaks..... All right fine I have no excuses. I did at one point put the charge pipe on and dipped my pinky toe into a little boost but my truck freaked out and went into limp home mode. I had a pretty bad oil leak back then which I have now fixed. Like an idiot I've been running an open mass airflow sensor - screen to atmosphere with absolutely no piping on it.. No filter.. No fans.. electric or mechanical. (Never overheated) Cruising around town with a bunch of stuff disabled I don't remember where I left off but I am making it a priority. Thank you for your videos and tutorials.
My wideband has a usb output and I connected into my laptops usb a slot and it shows up as serial com 3 in device manager. Is this the same kind of connection less the rs232 to usb adapter? Will the scanner find the wideband if setup as outlined in the video?