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System Diagram [10/2015 - 12/2017]

    1. The CAN communication system is composed of 7 buses.
      Fig 1: Can Communication System Diagram (1 Of 2) [10/2015 - 12/2017]
      GTY636504Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      CAN Main Bus Line Terminating Resistor
      CAN Branch Line * Gateway Function Equipped ECU
      Bus Monitored Direction - -
      Fig 2: Can Communication System Diagram (2 Of 2) [10/2015 - 12/2017]
      GTY645335Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      CAN Main Bus Line Terminating Resistor
      CAN Branch Line - -
      Bus Code ECU/Sensor Name CAN DTC Storage Note
      - CGW Network Gateway ECU - -
      V Bus DLC3 DLC3 - -
      Bus 1 FCC Front Television Camera Assembly - w/ Panoramic View Monitor System
      MAV Parking Assist ECU Available w/ Panoramic View Monitor System
      RCC Side Camera RH (Outer Rear View Mirror Assembly RH) - w/ Panoramic View Monitor System
      CSR Clearance Warning ECU Assembly Available -
      FCM Forward Recognition Camera Available w/ Lexus Safety System +
      FRD Millimeter Wave Radar Sensor Assembly - w/ Lexus Safety System +
      DS1 Driving Support ECU Assembly Available w/ Lexus Safety System +
      LCC Side Camera LH (Outer Rear View Mirror Assembly LH) - w/ Panoramic View Monitor System
      CAA Rear Television Camera Assembly - w/ Panoramic View Monitor System
      Available w/ Parking Assist Monitor System
      BSR Blind Spot Monitor Sensor LH Available -
      CAN J/C No. 3 No. 3 CAN Junction Connector - -
      CAN J/C No. 10 No. 10 CAN Junction Connector - -
      Bus 2 EHV Hybrid Vehicle Control ECU Assembly Available -
      ECB Skid Control ECU Assembly Available -
      HEG ECM Assembly Available -
      CAN J/C No. 4 No. 4 CAN Junction Connector - -
      Bus 3 AVN Radio Receiver Assembly Available -
      DCM Telematics Transceiver Available w/ Manual (SOS) Switch
      CAN J/C No. 6 No. 6 CAN Junction Connector - -
      Bus 4 ECB Skid Control ECU Assembly Available -
      HEG ECM Assembly Available -
      TPM Tire Pressure Warning ECU and Receiver Available -
      ODS Occupant Detection ECU - -
      EPS Power Steering ECU Assembly Available -
      STR Steering Sensor - -
      YGS Yaw Rate Sensor Assembly - -
      ABG Airbag Sensor Assembly Available -
      EPB Parking Brake ECU Assembly Available -
      SCS Absorber Control ECU Available w/ AVS
      EHV Hybrid Vehicle Control ECU Assembly Available -
      CAN J/C No. 1 No. 1 CAN Junction Connector - -
      CAN J/C No. 7 No. 7 CAN Junction Connector - -
      CAN J/C No. 8 No. 8 CAN Junction Connector - -
      CAN J/C No. 9 No. 9 CAN Junction Connector - -
      CAN J/C No. 12 No. 12 CAN Junction Connector - -
      Bus 5 ACN Air Conditioning Amplifier Assembly Available -
      MET Combination Meter Assembly Available -
      IDT Certification ECU (Smart Key ECU Assembly) Available -
      BDB Main Body ECU (Multiplex Network Body ECU) Available
      • The main body ECU (multiplex network body ECU) acts as a gateway between the bus 5 and sub bus 1.
      • The main body ECU (multiplex network body ECU) is also connected to the LIN communication system.
      AFS Headlight ECU Sub-assembly LH Available w/ Automatic Headlight Beam Level Control System
      HUD Combination Meter Mirror ECU (Headup Display) Available w/ Headup Display System
      CAN J/C No. 5 No. 5 CAN Junction Connector - -
      Sub Bus 1 BDB Main Body ECU (Multiplex Network Body ECU) Available
      • The main body ECU (multiplex network body ECU) acts as a gateway between the bus 5 and sub bus 1.
      • The main body ECU (multiplex network body ECU) is also connected to the LIN communication system.
      BKD Multiplex Network Door ECU Available -
      DFL Outer Mirror Control ECU Assembly (for Driver Side) Available -
      TAT Multiplex Tilt and Telescopic ECU Available -
      DST Position Control ECU and Switch Assembly LH - -
      DFR Outer Mirror Control ECU Assembly (for Front Passenger Side) Available -
      ST1 Junction Terminal - -
      CAN J/C No. 11 No. 11 CAN Junction Connector - -
      CAN J/C No. 8 No. 8 CAN Junction Connector - -
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