toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Multiplex Communication System - BEAN|Page 3717 > < Multiplex Communication System - BEAN|Page 3715
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The AVC-LAN uses a star configuration, which is centered on the multi display or audio head unit.

Differences between CAN, BEAN and AVC-LAN 

1. General

Protocols, which are rules for establishing data communication, differ between the CAN, BEAN and the AVC-LAN. If ECUs use different
types of data such as communication speed, communication wire, and signals, they will be unable to communicate with each other. Therefore,
protocols (rules) must be established among them.

Multiplex Communication System - BEAN|Page 3717 > < Multiplex Communication System - BEAN|Page 3715