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

Scan Tool Displayed Input Status

Use the scan tool to display the status of inputs to a particular control module. This feature is helpful in determining whether input devices such as switches or sensors are operating properly or if the control module is able to correctly interpret the input signals.