TESTING

Turn the ignition switch OFF.

1. Disengage the wiring harness connector from the IAT sensor.
2. Using a Digital Volt-Ohmmeter (DVOM), measure the resistance between the two sensor terminals.
3. Compare the resistance reading with the accompanying chart. If the reading for a given temperature is approximately that shown in the table, the IAT sensor is okay.
4. Attach the wiring harness connector to the sensor.

   Fig. 1: IAT sensor specifications chart — Pick-up and MPV models