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Home >> Toyota >> 2008 >> 4Runner Limited, 4.7 T, AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> OEM System Circuits >> Multiplex Communication System - BEAN >> System Outline

System Outline

Communication Outline 

Communication is made among the body, theft deterrent and back door ECUs.

When the ECU receives a signal from any related switches, such as the rear wiper SW, the body ECU sends signals to the back door ECU, and moves rear wiper.

For details, please refer to the MULTIPLEX COMMUNICATION SYSTEM .