Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Air Temperature Sensor ( Ambient / Intake ): Testing and Inspection





1. REMOVE INTAKE AIR TEMPERATURE (IAT) SENSOR.
2. INSPECT IAT SENSOR.





- Using an ohmmeter, measure the resistance between the terminals.

Resistance: Refer to the image above.

- If the resistance is not as specified, replace the IAT sensor.
3. REINSTALL IAT SENSOR.