Information Bus: Description and Operation

MULTIPLEX COMMUNICATION SYSTEM (COMMUNICATION BUS)

MULTIPLEX COMMUNICATION SYSTEM INCLUDES FOLLOWING SYSTEMS
- DOOR LOCK CONTROL
- HEADLIGHT
- INTERIOR LIGHT
- KEY REMINDER
- LIGHT REMINDER BUZZER
- MOON ROOF
- POWER WINDOW
- SEAT BELT WARNING
- WIRELESS DOOR LOCK CONTROL



Each ECU of this vehicle is connected by communication bus and it transmits each signal by communication. This communication bus is self-diagnosed by Body ECU and it memorizes DTC when it detects communication stop to ECU or communication bus +B short or GND short.