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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IAT

Range -4O°C to 151°C, -40°F to 304°F:
The intake air temperature sensor sends a signal to the PCM relative to the incoming air. The IAT is used by the PCM to adjust fuel delivery.