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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A/C System Components

The A/C electrical system consists of the following components:
^ A/C controller
^ Body Control Module (BCM)
^ A/C refrigerant pressure sensor
^ A/C compressor clutch
^ A/C compressor clutch relay
^ A/C request signal (CJ3, C60) through the Class II serial data circuit
^ Powertrain Control Module (PCM)

For a description of the RPO Code(s) shown in this article/images refer to the RPO Code List found at Vehicle/Application ID Application and ID