System Diagram [10/2015 - ]

1. The CAN communication system is composed of 3 buses.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   1	Combination Meter Assembly (for V Bus)	2	Skid Control ECU (Brake Booster with Master Cylinder Assembly) (for V Bus and Sub Bus 15)
   3	Hybrid Vehicle Control ECU Assembly (for V Bus and Sub Bus 15)	4	DLC3 (for V Bus)
   5	Main Body ECU (Multiplex Network Body ECU) (for V Bus and Sub Bus 1)	6	Steering Sensor (for V Bus)
   7	Air Conditioning Amplifier Assembly (for V Bus)	8	Airbag ECU Assembly (for V Bus)
   9	Certification ECU (Smart Key ECU Assembly) (for V Bus)	10	Power Steering ECU Assembly (for V Bus)
   11	Navigation ECU Sub-assembly (for Navigation Receiver Type) Radio and Display Receiver Assembly (for Radio and Display Type) (for V Bus)	12	Tire Pressure Warning ECU and Receiver (for V Bus)
   13	ECM (for V Bus and Sub Bus 15)	14	Outer Mirror Control ECU Assembly (for Driver Side) (w/ Seat Position Memory System) (for Sub Bus 1)
   15	Outer Mirror Control ECU Assembly (for Front Passenger Side) (w/ Seat Position Memory System) (for Sub Bus 1)	16	Front Power Seat Switch LH (w/ Seat Position Memory System) (for Sub Bus 1)
   17	No. 1 CAN Junction Terminal (w/ Seat Position Memory System) (for Sub Bus 1)	-	-

   HINT: 

   • The main body ECU (multiplex network body ECU) functions as a gateway between the V bus and sub bus 1.
   • Refer to the following bus wiring diagrams for details.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT: 

The CAN communication system connects to other networks via ECUs that function as a gateway (Refer to SYSTEM DIAGRAM [10/2015 - ] ).