Multiplex Communication System - Bean Bus

System Outline

BEAN consists of body electrical systems such as body ECU, A/C control assembly, power source control ECU, combination meter, smart key ECU*, transmission control ECU, transponder key computer and gateway ECU. Gateway ECU has communication circuit to correspond with different types of communication data. Different types of communication data can be shared among communication parts after it goes through gateway ECU. Vehicle information is input to body ECU at an assembling plant as a representative ECU which delivers the information to other ECUs through multiplex communication.
- Optional equipment

This system is working for the following systems:
- Air Conditioning
- Audio System
- Brake Control System
- Combination Meter
- Cruise Control
- Engine Control
- EPS
- Headlight
- Hybrid Vehicle Immobilizer System
- Illumination
- Interior Light
- Key Reminder
- Luggage Compartment Door Opener
- Mirror Heater
- Multi-Display
- Push Button Start System
- Rear Window Defogger
- Shift Control System
- Smart Entry System
- Taillight
- TOYOTA Hybrid System