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

Malfunction Indicator Lamp: Testing and Inspection

MALFUNCTION INDICATOR LAMP (MIL)

Perform the OBD Diagnostic System Check first, when the following conditions are present: Testing and Inspection

^ When the MIL does not turn on when the ignition switch is turned to the RUN position.
^ When the MIL remains on while the engine is running.
^ When you suspect a driveability problem.