System Diagram [08/2013 - ]

1. The CAN communication system is composed of 4 buses.
   Fig 1: Identifying Overall CAN Bus Wiring Diagram (W/O Dynamic Radar Cruise Control System)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   No.	ECU/Sensor Name	No.	ECU/Sensor Name
   1	Combination Meter Assembly (for V Bus)	2	Brake Booster with Master Cylinder Assembly (Skid Control ECU) (for V Bus and Sub Bus 15)
   3	Power Management Control ECU (for V Bus, Sub Bus 11 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	Multi-media Module Receiver Assembly (w/ Navigation System) (w/ Audio and Visual System (w/ Multi-display with Parking Assist Monitor System)) (for V Bus) Radio Receiver Assembly (w/ Audio and Visual System (w/ Multi-display without Parking Assist Monitor System)) (for V Bus)	8	Clearance Warning ECU Assembly (w/ Intuitive Parking Assist System) (for V Bus)
   9	Certification ECU (Smart Key ECU Assembly) (for V Bus)	10	Airbag Sensor Assembly (for V Bus)
   11	Air Conditioning Amplifier Assembly (for V Bus)	12	Power Steering ECU with Motor Assembly (for V Bus)
   13	ECM (for V Bus and Sub Bus 15)	14	Multiplex Tilt and Telescopic ECU (w/ Seat Position Memory System (for Driver Side)) (w/ Seat Position Memory System (for Front Passenger Side)) (for Sub Bus 1)
   15	Outer Mirror Control ECU Assembly LH (w/ Seat Position Memory System (for Driver Side)) (w/ Seat Position Memory System (for Front Passenger Side)) (for Sub Bus 1)	16	Front Power Seat Switch LH (w/ Seat Position Memory System (for Driver Side)) (for Sub Bus 1)
   17	Luggage Closer Motor Assembly (w/ Power Trunk Lid System) (for Sub Bus 1)	18	Outer Mirror Control ECU Assembly RH (w/ Seat Position Memory System (for Driver Side)) (w/ Seat Position Memory System (for Front Passenger Side)) (for Sub Bus 1)
   19	Front Power Seat Switch RH (w/ Seat Position Memory System (for Front Passenger Side)) (for Sub Bus 1)	20	CAN No. 2 Junction Connector (for Sub Bus 1)
   21	Lane Departure Warning Camera (w/ Lane Departure Alert System) (for Sub Bus 11)	22	Blind Spot Monitor Sensor LH (w/ Blind Spot Monitor System) (for Sub Bus 11)
   23	CAN No. 5 Junction Connector (for Sub Bus 11)	-	-

   HINT: 

   • The main body ECU (multiplex network body ECU) functions as a gateway between the V bus and sub bus 1.
   • The power management control ECU functions as a gateway between the V bus and sub bus 11.
   • Refer to the following bus wiring diagrams for details.

1. The CAN communication system is composed of 5 buses.
   Fig 2: Identifying Overall CAN Bus Wiring Diagram (W/ Dynamic Radar Cruise Control System)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   No.	ECU/Sensor Name	No.	ECU/Sensor Name
   1	Combination Meter Assembly (for V Bus)	2	Brake Booster with Master Cylinder Assembly (Skid Control ECU) (for V Bus and Sub Bus 15)
   3	Power Management Control ECU (for V Bus, Sub Bus 11 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	Multi-media Module Receiver Assembly (w/ Navigation System) (w/ Audio and Visual System (w/ Multi-display with Parking Assist Monitor System)) (for V Bus) Radio Receiver Assembly (w/ Audio and Visual System (w/ Multi-display without Parking Assist Monitor System)) (for V Bus)	8	Clearance Warning ECU Assembly (w/ Intuitive Parking Assist System) (for V Bus)
   9	Certification ECU (Smart Key ECU Assembly) (for V Bus)	10	Airbag Sensor Assembly (for V Bus)
   11	Air Conditioning Amplifier Assembly (for V Bus)	12	Power Steering ECU with Motor Assembly (for V Bus)
   13	ECM (for V Bus and Sub Bus 15)	14	Multiplex Tilt and Telescopic ECU (w/ Seat Position Memory System (for Driver Side)) (w/ Seat Position Memory System (for Front Passenger Side)) (for Sub Bus 1)
   15	Outer Mirror Control ECU Assembly LH (w/ Seat Position Memory System (for Driver Side)) (w/ Seat Position Memory System (for Front Passenger Side)) (for Sub Bus 1)	16	Front Power Seat Switch LH (w/ Seat Position Memory System (for Driver Side)) (for Sub Bus 1)
   17	Luggage Closer Motor Assembly (w/ Power Trunk Lid System) (for Sub Bus 1)	18	Outer Mirror Control ECU Assembly RH (w/ Seat Position Memory System (for Driver Side)) (w/ Seat Position Memory System (for Front Passenger Side)) (for Sub Bus 1)
   19	Front Power Seat Switch RH (w/ Seat Position Memory System (for Front Passenger Side)) (for Sub Bus 1)	20	CAN No. 2 Junction Connector (for Sub Bus 1)
   21	Seat Belt Control ECU (for Sub Bus 11)	22	Driving Support ECU Assembly (for Sub Bus 11 and Sub Bus 13)
   23	Blind Spot Monitor Sensor LH (w/ Blind Spot Monitor System) (for Sub Bus 11)	24	CAN No. 5 Junction Connector (for Sub Bus 11)
   25	Lane Departure Warning Camera (w/ Lane Departure Alert System) (for Sub Bus 13)	26	Millimeter Wave Radar Sensor Assembly (for Sub Bus 13)

   HINT: 

   • The main body ECU (multiplex network body ECU) functions as a gateway between the V bus and sub bus 1.
   • The power management control ECU functions as a gateway between the V bus and sub bus 11.
   • The driving support ECU assembly functions as a gateway between the sub bus 11 and sub bus 13.
   • Refer to the following bus wiring diagrams for details.

Fig 3: Identifying V Bus Wiring Diagram (1 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Identifying V Bus Wiring Diagram (2 Of 2)

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 [08/2013 - ] .