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

Parameter (PID) Values








HOT IDLE PID VALUE TABLES





INTAKE MANIFOLD RUNNER CONTROL DRIVE CYCLE PID TABLE

NOTE: During some Intake Manifold Runner Control (IMRC) service procedures, it will be necessary to perform a drive cycle for verification of the IMRC and PCM operation. The table lists RPM PID, IMRCM PID and IMRC PID values during acceleration and deceleration.