Tic55

hey so ive been trying to get my wideband hooked up to the s300 unit to read, i have a innovative mtx L.. as well the 5volt yellow wire connected to pin d10 ELD. i go to closed loop advance and i change the settings to d10 ELD and set the volts to a/fr conversion table, and change the normal closed loop settings to read wideband band volts target, and disable the eld code as well, but as soon as i upload those change it slowly starts to lean its self out from around 14.7-15.00 till leans itself out and dies. i took the two resistors out of the ecu, and i just got a brand new s300 v3 unit, so i dont think its that. i dont know if i am missing any other settings or what... any help would be appreciated and i will keep doing research and updating. thanks.

motoxxxman

make sure the innovate unit is programmed correctly, and matches the voltage signals that you programmed the s300 with. then find the target afr tables and make sure those are set correctly too.
It sounds to me like the signal settings in s300 are not matching the settings in the mtxl

Tic55

i dont have the wideband ground hooked up to a direct chassis or a power directly to the fusebox/ batter could that cause the issue?

Tic55

but as well without the wideband when i go to display in Smanager it'll show a 17.5ish a/fr while the wideband gauge displays normal, and then when i try to connect the widbeband to Smanager it drops down into the 7ish but my wideband is still reading normal but slowly leans itself out, again any help appreciated thank you.!

JRCivic1

That device is really sensitive to grounding... make sure the mxl sensor ground does NOT connect to any wiring at the ECU, but to a clean chassis bolt hole that is not being used as a grounding point by any other system. Also, you may have to adjust the offset voltage in the s300 for the sensor to read properly... the easiest way to do this is right after key on, the mxl will read a steady output of 14.7 while the heater circuit warms the sensor to operating temp... so during this time, the datalog in s300 should show the same reading... if not, adjust the battery offset so that the display matches your gauge.

xactdyno

for whatever reason innovate refuses to use the built in calibration resistor of the sensor like everyone else so you MUST do the free air calibration before anything. if you're sure that's done and it doesn't fix any of what you have now, then since you have a new s300, use one of the analog inputs on the s300 board for the input, not eld. one of those wires is also a sensor ground. ground the unit there too. so yellow and black wires to the s300. if it's s300 v3, you can even use the CAN output of the mtx and it will all be digital into the s300, no worry about offsets (though if you use the ground on the s300 there shouldn't be any worries). going this route takes a lot of potential problems away. use the help in hondata software to see how to set it up and select the old LC1 as its calibration is the same as the new stuff (you won't find the mtx in the drop down list).

Tic55

It runs fantastic untill I upload the setting to run off the wideband... But I don't have a another 02 sensor... I don't have a stock one or secondary... All I have is a wideband.... Do I need a stock 02 sensor in their in order to make this work.? Also for the d10 wire, do I cut it completely or just splice it and attach the yellow for the mtx.? I actually broke my wide band sensor trying a few things so will be a few weeks before I get another one but I will keep this page updated... As well I will try to run it off an analog out put if I can't figure it out this way... Thank you for the advice!

Tic55

bringing this back i got my 02 sensor in and installed. brand new sensor and calibrated.. all ready to go. but i didnt mention before that i have no other 02 sensor. i have no factory 1st or secondary 02 sensor in the car... all i have a is a wideband that is currently not hooked up to the ecu. so the car has no idea what type of mixture its running im just going off of what i see on my wideband. i dont see why this may cause any issues but i know every detail i provide may help. i havent tried anything else besides that eld 10...which i will probably try it again tomorrow afternoon. will keep updated and posting till i figure out what is causing my issue.

Tic55

update, still not working. nothing i did work and am still having issues, if anyone would like to give any more advice and walk me through the set up id appreciate it, will be on and checking this site frequently. help appreciated thank you!

motoxxxman

is it wired correctly to the ecu? is it programmed correctly with LMprogrammer?

2x0

I would try seeking help on the S300 forum if you haven't already. The innovate widebands are known to be problematic in getting data interpreted by the ecu properly.

https://www.hondata.com/forum/viewforum.php?f=19

That said, there is not an issue with running no o2 feedback (open loop) all the time, just requires more work on the fuel tables and you may lose a few mpg's in the process. For mine personally, I don't drive it enough to care about gas mileage.

v4lu3s

I run my wideband input to the stock o2 input with s300 and no narrow band. I was told the ELD input was flakey and not to use it unless i had to.

Tic55

i would try that but that wire doesnt give a full wideband reading but i guess that it would be better than nothing.

motoxxxman

yes it does if you program it correctly, or if you program the wideband outputs correctly