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

Generic OBD II PID Access


Accessing Generic OBD II PIDs
New Generation STAR Tester
- Perform safety precautions.
- Connect scan tool to the OBD II DLC.
- Select VEHICLE & ENGINE SELECTION menu (OPTIONAL).
- Select SELECT NEW VEHICLE YEAR & MODEL (OPTIONAL).
- Select year, engine, model with the appropriate qualifier, if needed (i.e., transmission, 49 State, California) (OPTIONAL).
- Turn key ON.
- Select GENERIC OBD II FUNCTIONS.
- Press CONT button if all OBD II monitors are not complete.
- Select PID/DATA MONITOR.
- Turn key ON or START vehicle if necessary.
- Select the PIDs using TRIGGER.
- Select START to begin PID monitoring.