How To Test The Intake Air Temp (IAT) Sensor (Toyota 1.8L)

Intake Air Temp (IAT) Temperature/Resistance Chart

Below you'll find the temperature to resistance relationship of the intake air temperature (IAT) sensor.

IAT Sensor Temperature to Resistance Graph (1.8L Toyota Corolla)

IAT Sensor Test Summary

Testing the intake air temperature (IAT) sensor isn't hard to do. Hopefully this article was able to help you to troubleshoot the IAT sensor and/or diagnostic trouble codes P0112 or P0113.

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Toyota Vehicles:

  • Celica 1.8L
    • 2000, 2001, 2002, 2003, 2004, 2005
  • Corolla 1.8L
    • 2003, 2004, 2005, 2006, 2007, 2008
  • Matrix 1.8L
    • 2003, 2004, 2005, 2006, 2007, 2008

Toyota Vehicles:

  • MR2 Spyder 1.8L
    • 2000, 2001, 2002, 2003, 2004, 2005