Multiplex Communication System

SYSTEM DIAGRAM

1. MULTIPLEX COMMUNICATION SYSTEM (BEAN) DESCRIPTION

a. The BEAN communication line is used to control the given items:
- Instrument panel junction block assembly (Body ECU)
- Theft warning ECU assembly (Theft deterrent ECU)
- Multiplex network door ECU back (Back door ECU)

System Diagram:

If there is a short-circuit (bus-down) in the line, communication to the system that had a short-circuit (bus-down) will be disabled and the DTC concerning the system will be output from the multiplex network body ECU.