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

Scan Tool Testing and Procedures




DIAGNOSTIC TROUBLE CODES CHECK
Connect the scan tool to the data link connector and then check diagnostic trouble codes.

CAUTION: Always turn the ignition switch OFF before connecting or disconnecting the scan tool.

ERASING DIAGNOSTIC TROUBLE CODES
Connect the scan tool to the data link connector, then erase the diagnostic trouble codes.