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

Fig. 25 Intake Air Thermo Sensor (Dynamic Chamber):







1. Disconnect intake air thermo sensor connector.
2. Connect ohmmeter to sensor terminals Fig. 25.
3. Check resistance of sensor. There should be 37.3-45.6k ohms at 68°F, 10.5-12.9k ohms at 122°F and 3.1-3.8k ohms at 185°F.