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)

Or, hide this message: temporarily or permanently

General Information

The A/C electrical system consists of the following components:

A/C SYSTEM COMPONENTS
^ A/C Controller
^ A/C Refrigerant Pressure Sensor
^ A/C Compressor Clutch
^ A/C Compressor Clutch Relay
^ Class II Serial Data Circuit (CJ2)
^ 12 volt A/C request signal (CJ3, C60)
^ PCM