CAN COMMUNICATION SYSTEM(for LHD with Central Gateway ECU) SYSTEM DIAGRAM

Overall CAN Bus Diagram

1. Control system CAN is composed of 6 buses.

   

   No.	ECU/Sensor Name
   1	Central gateway ECU
   2	DLC3
   3	ECM
   4	Power steering ECU assembly
   5	Air conditioning amplifier assembly
   6	Airbag sensor assembly
   7	Spiral with sensor cable sub-assembly (steering angle sensor)
   8	Certification ECU (smart key ECU assembly)*1
   9	4WD ECU assembly*2
   10	Brake actuator assembly (skid control ECU)
   11	Engine stop and start ECU*3
   12	Main body ECU (multiplex network body ECU)
   13	Combination meter assembly
   14	Multiplex network door ECU*4
   15	Position control ECU and switch assembly*5
   16	No. 1 CAN junction terminal*4
   17	Radio and display receiver assembly*6
   18	Parking assist ECU*7
   19	Forward recognition camera*8
   20	Clearance warning ECU assembly*9
   21	Driving support ECU assembly*8
   22	Blind spot monitor sensor LH*10
   23	Millimeter wave radar sensor assembly*8
   24	Television camera assembly*11
   25	Telematics transceiver*12

   *1: w/ Entry and Start System

   *2: for 4WD/AWD

   *3: w/ Stop and Start ECU

   *4: w/ Power Back Door System

   *5: w/ Seat Memory

   *6: w/ Audio and Visual System (for Radio and Display Type)

   *7: w/ Panoramic View Monitor System

   *8: w/ Pre-crash Safety System

   *9: w/ TOYOTA Parking Assist-sensor System (for 8 Sensor Type)

   *10: w/ Blind Spot Monitor System

   *11: w/ Parking Assist Monitor System (for Camera built-in ECU)

   *12: w/ Telematics Transceiver

   Tech Tips

   
   

   • The main body ECU (multiplex network body ECU) functions as a gateway between the bus 2 and sub bus 1.

   • The driving support ECU assembly functions as a gateway between the bus 5 and local bus.

   • Refer to the following bus wiring diagrams for details.