Hondata

Hello
sorry for my language i am not english

I just have the wideband
connect red to + 12v after ignition
white on the 14 ecu
black on the ground ecu

I have one gray wire and one unconnected yellow one

the problem is that my air fuel ratio remains at 17 on the s300
he and yet set to d14
even when I unplug it all remains at the same values
Thank you for your help

Do not use D14 as a wideband input as it cannot see the full voltage range. I recommend using D10 instead. You need to check the info in your wideband to see what the other wires are for.