CAN COMMUNICATION SYSTEM SYSTEM DIAGRAM


  1. OVERALL CAN BUS DIAGRAM (for LHD)


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

      A018LI9C02
      1

      ECM

      (for V Bus)

      		 2

      Network Gateway ECU

      (w/ Blind Spot Monitor System or Parking Assist Monitor System)

      (for V Bus and Sub Bus 2)
      3

      Main Body ECU (Multiplex Network Body ECU)

      (for V Bus and Sub Bus 1*)

      		 4

      Skid Control ECU (Brake Actuator Assembly)

      (for V Bus)
      5

      Power Steering ECU Assembly

      (for V Bus)

      		 6

      DLC3

      (for V Bus)
      7

      Airbag Sensor Assembly

      (for V Bus)

      		 8

      Steering Sensor

      (for V Bus)
      9

      Air Conditioning Amplifier Assembly

      (for V Bus)

      		 10

      Certification ECU (Smart Key ECU Assembly)

      (w/ Smart Entry and Start System)

      (for V Bus)
      11

      4WD ECU Assembly

      (for AWD)

      (for V Bus)

      		 12

      Headlight Leveling ECU Assembly

      (w/ Automatic Headlight Beam Level Control System)

      (for V Bus)
      13

      Radio and Display Receiver Assembly

      (for Radio and Display Type)

      (for V Bus)

      		 14

      Combination Meter Assembly

      (for V Bus)
      15

      Outer Mirror Control ECU Assembly (for Front Passenger Side)

      (w/ Seat Position Memory System)

      (for Sub Bus 1)

      		 16

      Outer Mirror Control ECU Assembly (for Driver Side)

      (w/ Seat Position Memory System)

      (for Sub Bus 1)
      17

      Position Control ECU and Switch Assembly

      (w/ Seat Position Memory System)

      (for Sub Bus 1)

      		 18

      Multiplex Network Door ECU

      (w/ Power Back Door System)

      (for Sub Bus 1)
      19

      Lane Departure Warning Camera

      (w/ Lane Departure Alert System)

      (for Sub Bus 2)

      		 20

      Blind Spot Monitor Sensor LH

      (w/ Blind Spot Monitor System)

      (for Sub Bus 2)
      21

      Television Camera Assembly

      (w/ Parking Assist Monitor System)

      (for Sub Bus 2)

      		 22

      CAN Junction Terminal

      (for Sub Bus 2)

      • *: w/ Power Back Door System

      Tech Tips


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

        *: w/ Power Back Door System

      • The network gateway ECU functions as a gateway between the V bus and sub bus 2.

      • The driving support ECU assembly functions as a gateway between the sub bus 2 and sub bus 13.

      • Refer to the following bus wiring diagrams for details.

  2. V BUS (for LHD)

    A018HUNE02
    A018LS4E02
    A018H9JE05

    Tech Tips

    The CAN communication system connects to other networks via ECUs that function as a gateway.

    Click here

  3. SUB BUS 1 (for LHD w/ Power Back Door System)

    A018K44E01

  4. SUB BUS 2 (for LHD w/ Blind Spot Monitor System or Parking Assist Monitor System)

    A018IP4E02

  5. OVERALL CAN BUS DIAGRAM (for RHD)


    1. The CAN communication system is composed of 4 buses.

      A018IX0C01
      1

      ECM

      (for V Bus)

      		 2

      Network Gateway ECU

      (w/ Blind Spot Monitor System or Parking Assist Monitor System)

      (for V Bus and Sub Bus 2)
      3

      Main Body ECU (Multiplex Network Body ECU)

      (for V Bus and Sub Bus 1*)

      		 4

      Skid Control ECU (Brake Actuator Assembly)

      (for V Bus)
      5

      Power Steering ECU Assembly

      (for V Bus)

      		 6

      DLC3

      (for V Bus)
      7

      Airbag Sensor Assembly

      (for V Bus)

      		 8

      Steering Sensor

      (for V Bus)
      9

      Air Conditioning Amplifier Assembly

      (for V Bus)

      		 10

      Certification ECU (Smart Key ECU Assembly)

      (w/ Smart Entry and Start System)

      (for V Bus)
      11

      4WD ECU Assembly

      (for AWD)

      (for V Bus)

      		 12

      Clearance Warning ECU Assembly

      (w/ Toyota Parking Assist-sensor System)

      (for V Bus)
      13

      Headlight Leveling ECU Assembly

      (w/ Automatic Headlight Beam Level Control System)

      (for V Bus)

      		 14

      Navigation Receiver Assembly

      (for Navigation Receiver Type)

      (for V Bus)
      15

      Radio and Display Receiver Assembly

      (for Radio and Display Type)

      (for V Bus)

      		 16

      Combination Meter Assembly

      (for V Bus)
      17

      Outer Mirror Control ECU Assembly (for Front Passenger Side)

      (w/ Seat Position Memory System)

      (for Sub Bus 1)

      		 18

      Outer Mirror Control ECU Assembly (for Driver Side)

      (w/ Seat Position Memory System)

      (for Sub Bus 1)
      19

      Position Control ECU and Switch Assembly

      (w/ Seat Position Memory System)

      (for Sub Bus 1)

      		 20

      Multiplex Network Door ECU

      (w/ Power Back Door System)

      (for Sub Bus 1)
      21

      Driving Support ECU Assembly

      (w/ Pre-crash Safety System)

      (for Sub Bus 2 and Sub Bus 13)

      		 22

      Lane Departure Warning Camera

      (w/ Lane Departure Alert System)

      (for Sub Bus 2)
      23

      Blind Spot Monitor Sensor LH

      (w/ Blind Spot Monitor System)

      (for Sub Bus 2)

      		 24

      Television Camera Assembly

      (w/ Parking Assist Monitor System)

      (for Sub Bus 2)
      25

      CAN Junction Terminal

      (for Sub Bus 2)

      		 26

      Millimeter Wave Radar Sensor Assembly

      (w/ Pre-crash Safety System)

      (for Sub Bus 13)

      • *: w/ Power Back Door System

      Tech Tips


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

        *: w/ Power Back Door System

      • The network gateway ECU functions as a gateway between the V bus and sub bus 2.

      • The driving support ECU assembly functions as a gateway between the sub bus 2 and sub bus 13.

      • Refer to the following bus wiring diagrams for details.

  6. V BUS (for RHD)

    A018JWDE01
    A018IPXE01
    A018ISFE01

    Tech Tips

    The CAN communication system connects to other networks via ECUs that function as a gateway.

    Click here

  7. SUB BUS 1 (for RHD w/ Power Back Door System)

    A018H7FE01

  8. SUB BUS 2 (for RHD w/ Blind Spot Monitor System or Parking Assist Monitor System)

    A018JQZE01
    A018GYFE04

  9. SUB BUS 13 (for RHD w/ Pre-crash Safety System)

    A018KF0E09