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

Interior Lighting Module: Description and Operation

The integrated control unit consists of several circuits combined in a single control unit. See the appropriate section of this manual for details about each circuit.


The integrated control unit receives battery voltage at all times through fuse 34. With the ignition switch in RUN or START, battery voltage is supplied through fuse 5 to the control unit. The control unit is grounded at G401.