ECMlink Problem logging older AEM UEGO wideband

[Jaydog]

I have an older AEM UEGO wideband that has the wires out of the back unit instead of the plug in type. The problem is that I cannot get it to log correctly in ECMLink. I tried all of the settings and it is pegged at 13.2 - 13.3 and won't change.

I have it wired for the rear o2 location.

What do I need to do?

 

[97gst_spyder]

There is a small hole on the back of the gauge. Using a very small flat head, with the gauge on turn it to P04, then it will output a wideband signal.

 

[Jaydog]

I've changed it to P04 and didn't help one bit. I tried every way to log it but it is just stuck. The rear O2 voltage doesn't seem to change either. Also my gauge seems to read higher at idle than ECMLink estimate.

 

[97gst_spyder]

What color wire are you using from the gauge?

 

[Jaydog]

The white wire to pin 75 rear o2. The previous owner wired the gauge in. I will go out and double check his connections and post back.

 

[enash99]

I thought P04 mode was using the guage in narrow band mode. The white wire is the correct wire for output. But in P04 mode that white wire is narrow band. Unless this is different due to the age of his guage. Mine is in P04 mode and it was used to replace my narrow band stock O2 sensor. Till I got the bung installed and now I put the stock O2 sensor in.

 

[Jaydog]

Yeah I pretty much gave up trying to log the wideband for right now but the gauge still reads correctly. I made sure again I had a solid connection to pin 75 and checked the ground. The analog output for logging from the gauge must be bad, that is the only thing I can think of. The reading and voltage when loggging doesn't change.

 

[Imback]

aemwb [ECMTuning - wiki]

 

[Jaydog]

Thanks, I've seen that page and tried every AEM setting and even linwideband and manually putting in settings but still no go. The ECU is only seeing 1.65 volts from that wire in ECMLink and it pretty much doesn't change.