AEM UEGO wideband wiring to ecu
Jul 26, 2008, 11:58 AM
#16
Newbie
Thread Starter
Join Date: Jul 2008
Location: greece
Posts: 66
Likes: 0
Received 0 Likes
on
0 Posts
Aug 1, 2008, 12:30 AM
#19
Newbie
Thread Starter
Join Date: Jul 2008
Location: greece
Posts: 66
Likes: 0
Received 0 Likes
on
0 Posts
find a good spot on the chasi and ground there i.
i used a screw that bolts into the metal supporting tha dash, behing my glovebox, and it bolts into the firewall so it worked good, just make sure that there isnt any paint preventing good contact of ur ground wire to the metal
i used a screw that bolts into the metal supporting tha dash, behing my glovebox, and it bolts into the firewall so it worked good, just make sure that there isnt any paint preventing good contact of ur ground wire to the metal
Feb 22, 2017, 11:22 AM
#23
Bumping this thread back from the dead to confirm one thing:
So in summary, there is no way to wire an AEM UEGO wideband directly into the ecu and have it accurately decipher voltages to AFR readings(No free ADC inputs on the stock ecu.)?
You have to wire the gauges blue wire to the RX pin of an RS-232 and then connect that to a USB to serial converter. Then you plug both the USB end of your serial to USB converter as well as your Tactrixs 1.3U cable into your laptop AT THE SAME TIME whilst Evoscan allows you to select the UEGO wideband you plugged in from a list and add it to your data logs.
Is that right? If so, does EvoScan control the sampling rate so that the log meshes perfectly with AFR readings?
-pal215
So in summary, there is no way to wire an AEM UEGO wideband directly into the ecu and have it accurately decipher voltages to AFR readings(No free ADC inputs on the stock ecu.)?
You have to wire the gauges blue wire to the RX pin of an RS-232 and then connect that to a USB to serial converter. Then you plug both the USB end of your serial to USB converter as well as your Tactrixs 1.3U cable into your laptop AT THE SAME TIME whilst Evoscan allows you to select the UEGO wideband you plugged in from a list and add it to your data logs.
Is that right? If so, does EvoScan control the sampling rate so that the log meshes perfectly with AFR readings?
-pal215
Last edited by Pal215; Feb 22, 2017 at 01:47 PM.
Feb 22, 2017, 11:54 AM
#24
You dont need to do the serial cable BS anymore. If youre attempting to log the AEM via Evoscan the way that I've done it is to tap into your rear o2 sensor circuit. First thing you need to do is shut off your rear o2 and then the circuit is free to use. You'll have to use the correct equation in Evoscan to convert the voltage to AFR readings but its all pretty straightforward.
There are numerous threads on doing this exact thing. It really is very straight forward. I'll search and see if I can find one of the threads that details everything you need the pinouts of the ecu etc and youll be able to easily follow along. Search logging wideband with Evoscan and rear 02 and you should find something. Or ill search. Either way if I understanding what youre trying to do then the good news is that it can be done, very easily and you dont need a serial cable USB converter or any of that extra crap!
There are numerous threads on doing this exact thing. It really is very straight forward. I'll search and see if I can find one of the threads that details everything you need the pinouts of the ecu etc and youll be able to easily follow along. Search logging wideband with Evoscan and rear 02 and you should find something. Or ill search. Either way if I understanding what youre trying to do then the good news is that it can be done, very easily and you dont need a serial cable USB converter or any of that extra crap!
Feb 22, 2017, 01:46 PM
#25
You dont need to do the serial cable BS anymore. If youre attempting to log the AEM via Evoscan the way that I've done it is to tap into your rear o2 sensor circuit. First thing you need to do is shut off your rear o2 and then the circuit is free to use. You'll have to use the correct equation in Evoscan to convert the voltage to AFR readings but its all pretty straightforward.
There are numerous threads on doing this exact thing. It really is very straight forward. I'll search and see if I can find one of the threads that details everything you need the pinouts of the ecu etc and youll be able to easily follow along. Search logging wideband with Evoscan and rear 02 and you should find something. Or ill search. Either way if I understanding what youre trying to do then the good news is that it can be done, very easily and you dont need a serial cable USB converter or any of that extra crap!
There are numerous threads on doing this exact thing. It really is very straight forward. I'll search and see if I can find one of the threads that details everything you need the pinouts of the ecu etc and youll be able to easily follow along. Search logging wideband with Evoscan and rear 02 and you should find something. Or ill search. Either way if I understanding what youre trying to do then the good news is that it can be done, very easily and you dont need a serial cable USB converter or any of that extra crap!
That's great news and simplifies things for me. I'll bet it's in this thread:
https://www.evolutionm.net/forums/ev...ut-serial.html
-pal215
Feb 22, 2017, 03:01 PM
#26
No problem! That thread appears to be for the X not our cars but its the same concept and they should have Evoscan equation info in there.
Take a look at both of these threads. Just be careful with the ecu pinout as its a little different between the VIII vs IX. Also one of those threads is for a lancer not evo but once again youll get the idea.
https://www.evolutionm.net/forums/ec...ial-cable.html
https://www.evolutionm.net/forums/la...o-evoscan.html
Take a look at both of these threads. Just be careful with the ecu pinout as its a little different between the VIII vs IX. Also one of those threads is for a lancer not evo but once again youll get the idea.
https://www.evolutionm.net/forums/ec...ial-cable.html
https://www.evolutionm.net/forums/la...o-evoscan.html
Thread
Thread Starter
Forum
Replies
Last Post
darkmitsu
Lancer Engine Management / Tuning Forums
141
Dec 31, 2022 05:41 AM
3vo|3oost
General Engine Management / Tuning Forum
6
May 7, 2017 01:10 AM
Swedin
Evo Dyno Tuning / Results
12
Jun 2, 2016 08:09 AM
