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

Signal Description, Connector A (Terminals A1 Through A30)

NOTE:
^ Prior to taking readings, it is important to connect test box and check ground terminals. Connecting the Test Box
^ Some values may be different to those given below, this is because Scan Tool (ST) values are calculated and filtered by the control module. Scan Tool Scrolling Values
^ In some cases the engine must be running to obtain relevant values.

All values given below are between the terminal in column 1 and terminal #20 (signal ground) unless otherwise stated in brackets after the table entry.

Part 1 Of 2:




Part 2 Of 2: