Information Bus: Description and Operation

System Outline

Multiplex communication system is controlled by body ECU, theft deterrent ECU, wiper relay, airbag sensor assembly, mayday ECU, 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, 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.