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




NOTE: In a new vehicle [driven approximately 500 km (300 miles) or less], the IAC valve position sometimes exceeds the standard value by approximately 20 steps.

CAUTION: When shifting the selector lever to the D range, apply brake to prevent the vehicle from moving forward.