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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Scan Tool Data Definitions

SCAN TOOL DATA DEFINITIONS

Accessory 1: Input from ignition switch ACCESSORY circuit. Used to determine power mode. Hot in ACCESSORY and RUN.

Door Jamb Switch: Input showing state of the passenger doors.

Driver Door Switch: Input from the driver door indicating door status.

Ignition 0 Input to the control module from the ignition switch indicating the Ignition 0 position. Switch closed (HOT) in ignition switch positions Unlock, Accessory, Run, Crank.

Ignition 1 Input to the control module from the ignition switch indicating the Ignition 1 position. Switch closed (HOT) in ignition switch positions Run, Crank.

RAP Output Output indicates state that the control module has commanded.

Trunk Ajar Switch Indicates state of switch used to control lamp in trunk and IPC indicator.