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)

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





1. Disconnect the intake air temperature sensor connector.
2. Measure the resistance between the sensor terminals.

Temperature (°C (°F)] Resistance (K ohms)

25 (77) 9-11
100 (212) 0.6-0.8