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

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

1. Disconnect the Air-flow Sensor connector.

Testing The Intake Air Temperature Sensor:





2. Measure the resistance using an ohmmeter connected to terminals # 4 and # 6.
Refer to SPECIFICATIONS/ELECTRICAL.

Using a Hair Dryer:






3. While heating the temperature sensor with a hair dryer, measure the resistance.
As the temperature increases, the resistance should decrease. Refer to SPECIFICATIONS/ELECTRICAL.