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

Information Bus: Description and Operation

SYSTEM OUTLINE

The multiplex communication system communicates among the gateway ECU, driver side J/B ECU, passenger side J/B ECU, luggage room J/B ECU, driver door ECU, front passenger door ECU, rear door LH ECU, rear door RH ECU, theft deterrent ECU, transponder key computer, moon roof control ECU, rain sensor, driver seat ECU, rear LH seat ECU, rear RH seat ECU, rear seat control SW, combination meter, skid control ECU, airbag sensor assembly, engine control module, A/C control assembly, center cluster integration panel, combination SW, clearance sonar ECU, front controller, power tilt and power telescopic ECU, radio and player, multi-display and controls the following systems according to the signals from respective sensors or switches.