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)

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Multiplex Communication System - BEAN

System Outline

Multiplex communication system is controlled by body ECU, theft deterrent ECU, wiper relay, sub body ECU, tilt and telescopic ECU, remote control mirror ECU, power window master SW, power window control SW front RH, rear LH, RH, power seat ECU and SW, etc.

For example, when door is opened, signal from door courtesy SW is transmitted to body ECU and turns on indoor lamp. See new car features for detail.