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Information Bus: Description and Operation

Multiplex Communication System includes following systems
- Door Lock Control
- Horn
- Mirror Heater
- Power Window (Rear)
- Rear Window Defogger
- Rear Wiper and Washer
- Theft Deterrent
- Wireless Door Lock Control

1. COMMUNICATION OUTLINE
Communication is made among the body and back door ECUs.
When the ECU receives a signal from related switches, i.e., the rear wiper SW, the body ECU sends signals to the back door ECU, and moves rear wiper.