Thread: IAT sensor on s13 sr20det?

Do s13 sr20det have IAT sensors.. From the ecu diagram it shows n IAT sensors on ecu pin 45 with blue and white wire. In my car, with nismotronic it show value of 69 and never changes even when temperature change from 20 to 90 degree.

The S13 SR20DET does not have an IAT sensor from the factory, however you can use the EGR temperature sensor input on ECU pin 26 for the IAT sensor input.

On a 92 b13 ecu, pin 26 is empty at least on my harness. Where do u suggest I use for iat input?

Use one of the analog inputs (ADC) on the break out box. Here's a diagram of how to wire an IAT to the ADC1 input:

NismoTronicSA Help - IAT Installation