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: Description and Operation

This lamp should be illuminated when the ignition switch is placed in the On position. After engine is started the lamp should go off, unless a problem has been detected by the emission control system self-diagnostic computer. After diagnosis and repair, the lamp will automatically reset when stored codes are cleared from the system memory.