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: Description and Operation

MIL (Malfunction Indicator Lamp)

1. The MIL illuminates when the ignition switch is turned to ON and the engine is not running.

HINT: If the MIL does not illuminate, check the MIL circuit.

2. The MIL should turn off when the engine is started.
If the MIL remains on, the diagnosis system has detected a malfunction or abnormality in the system.