CAN COMMUNICATION SYSTEM(for RHD) SYSTEM DIAGRAM

Overall CAN Bus Diagram

1. Control system CAN is composed of 5 buses.

   

   No.	ECU/Sensor Name
   1	ECM
   2	Hybrid vehicle control ECU
   3	Main body ECU (multiplex network body ECU)
   4	Brake booster with master cylinder assembly (skid control ECU)
   5	Parking brake ECU assembly
   6	Power steering ECU assembly
   7	Air conditioning amplifier assembly
   8	Stereo component equalizer assembly*1
   9	Certification ECU (smart key ECU assembly)
   10	Spiral with sensor cable sub-assembly (steering angle sensor)
   11	DLC3
   12	Airbag ECU assembly
   13	Radio receiver assembly*2
   14	Combination meter assembly
   15	Multiplex tilt and telescopic ECU*3
   16	Outer mirror control ECU assembly RH*4
   17	Outer mirror control ECU assembly LH*4
   18	Front power seat switch RH*4
   19	Headlight light control ECU sub-assembly LH
   20	Multiplex network door ECU*5
   21	No. 2 CAN junction terminal
   22	Driving support ECU assembly*6
   23	Clearance warning ECU assembly*7
   24	Parking assist ECU*8
   25	Lane departure warning camera*9
   26	Blind spot monitor sensor LH*10
   27	Absorber control ECU*11
   28	No. 1 CAN junction terminal
   29	Millimeter wave radar sensor assembly*6

   *1: w/ ASC System

   *2: w/ Navigation System or Audio and Visual System

   *3: for Power Tilt and Power Telescopic Steering Column

   *4: w/ Memory

   *5: w/ Power Back Door System

   *6: w/ Pre-crash Safety System

   *7: w/ LEXUS Parking Assist-sensor System

   *8: w/ Panoramic View Monitor System

   *9: w/ Lane Departure Alert System

   *10: w/ Blind Spot Monitor System

   *11: w/ Adaptive Variable Suspension System

   Tech Tips

   
   

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

   • The hybrid vehicle control ECU functions as a gateway between the V bus and sub bus 11.

   • Refer to the following bus wiring diagrams for details.