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Home >> Toyota >> 2018 >> Corolla L >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - (W/O Central Gateway Ecu) - Diagnostics - Introduction (1 Of 2) (Model Code: ZRE172) >> CAN COMMUNICATION SYSTEM (W/O Central Gateway ECU) >> System Diagram [08/2016 - 08/2017] >> System Diagram [08/2016 - 08/2017]
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System Diagram [08/2016 - 08/2017]

  1. OVERALL CAN BUS DIAGRAM 
    1. The CAN communication system is composed of 1 bus.
      Fig 1: Overall CAN Bus Diagram System Diagram
      GTY453419Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1 ECM 2 Main Body ECU (Multiplex Network Body ECU)
      3 Air Conditioning Amplifier Assembly 4 Power Steering ECU Assembly
      5 DLC3 6 Certification ECU (Smart Key ECU Assembly)
      (w/ Smart Key System)
      7 Airbag Sensor Assembly 8 Steering Sensor
      (w/ VSC)
      9 Skid Control ECU (Brake Actuator Assembly) 10 Navigation Receiver Assembly
      (for Navigation Receiver Type)
      11 Radio and Display Receiver Assembly
      (for Radio and Display Type)
      12 Combination Meter Assembly

      HINT: 

      Refer to the following bus wiring diagrams for details.

  2. V BUS 
    GTY725988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    GTY441063Courtesy 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 - ]