What? IAT is a 2 wire sensor. Its black and blue w white stripe on the side of your airbox and those 2 wires go directly to your ecu. Whatever that is, isnt IAT.
https://www.nicoclub.com/archives/us...-database.html
Grab an fsm for your car and go to the EL section and it'll show you where every plug is and where it goes.
Ec section for reading and fixing your CEL.