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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Dual Zone

You many select the DUAL ZONE mode in 1 of the following 2 ways:
^ Press the PASS button
^ Adjust the passenger control head

The programmer independently operates the driver and passenger air mix valves. The passenger may operate the passenger temperature in order to request a warmer or a cooler temperature on the passenger side of the vehicle. When this occurs, the programmer energizes the passenger air mix valve actuator in order to increase or decrease the passenger side discharge temperature.