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

Self-Learning Control






The SELF-LEARNING CONTROL learned data for the air/fuel ratio feedback compensation can be cleared by pressing TRIGGER. Engine rpm, ECT sensor temperature, HO2S voltage, and A/F COR (air/fuel correction ratio compensation) are displayed. When this test is completed, press CANCEL to return to the ACTIVE COMMAND MODES menu (Screen Display J).