Help with innovate lc-2 wideband install stock ecu
#6
Senior Member
iTrader: (1)
Join Date: Dec 2010
Location: Farmington Hills, MI
Posts: 1,218
Total Cats: 175
![Default](https://www.miataturbo.net/images/icons/icon1.gif)
Most people don't have good luck with a 0-1V emulated Wideband for the stock ECU. It's possible that the Mazda narrowband isn't calibrated the same as most widebands that have a narrowband output. As others said, it'll be less trouble to just weld in a second bung.
#7
![Default](https://www.miataturbo.net/images/icons/icon1.gif)
It says in the instructions exactly how to hook everything up. My friend has one. Just follow those.
In ither words, RTFM.
Worked perfectly in my car for the one day I ran the stock ECU with my AEM UEGO. It bobbled between 14.3 and 15.3 any time it was in closed loop.
I have a 1990 with a single wire O2 sensor though.
In ither words, RTFM.
I have a 1990 with a single wire O2 sensor though.
#8
![Default](https://www.miataturbo.net/images/icons/icon1.gif)
Another reason to install a 2nd bung is that supposedly wideband sensors don't tolerate heat well, and live longer lives further downstream.
To the OP, just use it as a standalone, unless you have some reason that you have to use one o2 sensor, but I can't think of any reason that would make sense.
To the OP, just use it as a standalone, unless you have some reason that you have to use one o2 sensor, but I can't think of any reason that would make sense.
#13
![Default](https://www.miataturbo.net/images/icons/icon1.gif)
I replaced the stock O2 sensor in my -97 NA with an Innovate LC-2 kit (Bosch 4.9 sensor, an analog gauge) in preparation for the impending MS3 install. Not welding in a new bung in stock exhaust, but I'll mount it further down when I build the turbo stuff later. Install was a piece of cake, the only problem was getting the stock sensor out (which worked when the exhaust was hot, I only burned myself twice). I mounted it behind the glovebox (behind/above the air duct plastic thing), ziptied up to the wiring harness.
I just spliced the "narrowband" output signal from the LC-2 into the stock harness and also fed it power from the ECU +12V wire (via a small fuse). Works like a charm and the values shown on the gauge look perfectly sane. I didn't bother with all the cables to the gauge though. It has a "permanent +12V" lead that I just didn't connect (as well as leaving the backlight power off), but it still works fine. I guess that is if I want to set custom limits for the AFR "alarm" to have them be remembered forever.
I just spliced the "narrowband" output signal from the LC-2 into the stock harness and also fed it power from the ECU +12V wire (via a small fuse). Works like a charm and the values shown on the gauge look perfectly sane. I didn't bother with all the cables to the gauge though. It has a "permanent +12V" lead that I just didn't connect (as well as leaving the backlight power off), but it still works fine. I guess that is if I want to set custom limits for the AFR "alarm" to have them be remembered forever.
#14
![Default](https://www.miataturbo.net/images/icons/icon1.gif)
I replaced the stock O2 sensor in my -97 NA with an Innovate LC-2 kit (Bosch 4.9 sensor, an analog gauge) in preparation for the impending MS3 install. Not welding in a new bung in stock exhaust, but I'll mount it further down when I build the turbo stuff later. Install was a piece of cake, the only problem was getting the stock sensor
I just spliced the "narrowband" output signal from the LC-2 into the stock harness and also fed it power from the ECU +12V wire (via a small fuse). Works like a charm and the values shown on the gauge look perfectly sane. I didn't bother with all the cables to the gauge though. It has a "permanent +12V" lead that I just didn't connect (as well as leaving the backlight power off), but it still works fine. I guess that is if I want to set custom limits for the AFR "alarm" to have them be remembered forever.
I just spliced the "narrowband" output signal from the LC-2 into the stock harness and also fed it power from the ECU +12V wire (via a small fuse). Works like a charm and the values shown on the gauge look perfectly sane. I didn't bother with all the cables to the gauge though. It has a "permanent +12V" lead that I just didn't connect (as well as leaving the backlight power off), but it still works fine. I guess that is if I want to set custom limits for the AFR "alarm" to have them be remembered forever.
#18
![Default](https://www.miataturbo.net/images/icons/icon1.gif)
3. Optionally, the YELLOW (Analog out 1) and/or BROWN (Analog out
2) can be connected to the analog inputs of other devices such as
data loggers, aftermarket programmable ECUs, or AFR display
gauges. If either one or both of these wires are not being used,
isolate and tape the wire(s) in an out of the way location. Each of
the two analog output wires can connect to one device that can
accept this 0-5v potential output.
45 seconds well at least your internet speed is ok now for the same question which wire is the narrowband which needs conecting to the stock 02 plug
2) can be connected to the analog inputs of other devices such as
data loggers, aftermarket programmable ECUs, or AFR display
gauges. If either one or both of these wires are not being used,
isolate and tape the wire(s) in an out of the way location. Each of
the two analog output wires can connect to one device that can
accept this 0-5v potential output.
45 seconds well at least your internet speed is ok now for the same question which wire is the narrowband which needs conecting to the stock 02 plug
#19
mkturbo.com
![](/mt2011/images_td/ranks/supporter1.gif)
![](/mt2011/images_td/ranks/admin.png)
iTrader: (24)
Join Date: May 2006
Location: Charleston SC
Posts: 15,189
Total Cats: 1,685
![Default](https://www.miataturbo.net/images/icons/icon1.gif)
"The default analog outputs are as follows: Analog output one (yellow) is 0V = 7.35 AFR and 5V = 22.39 AFR. Analog output two (brown) is 1.1V = 14 AFR and .1V = 15 AFR."
Literally the paragraph below what you posted in the instructions.
Literally the paragraph below what you posted in the instructions.
Thread
Thread Starter
Forum
Replies
Last Post
jbguillo
Miata parts for sale/trade
3
05-13-2016 11:24 PM
TheScaryOne
Miata parts for sale/trade
3
05-11-2016 02:05 AM