Ethanol sensor wiring

[jtr316]

Does the resistor (2.4k ohm) need to be wired in on the plug side of the harness or near the ecu? I’m using the s300 v3 and I can’t get the sensor to show up in the datalogs on Input AN0.

[Hondata]

It does not matter. If you switch the AN0 to voltage and disable the flex fuel input you should see a voltage of 2-4 V depending on ethanol.