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

PID/Data Monitor and Record Procedure

PID/Data Monitor and Record Procedure




1. Connect the SST (WDS or equivalent) to the vehicle DLC-2 16-pin connector.
2. Access and monitor PIDs using the SST (WDS or equivalent).