CAN COMMUNICATION SYSTEM SYSTEM DIAGRAM


  1. OVERALL CAN BUS DIAGRAM (for LHD)


    1. The CAN communication system is composed of 6 buses.

      B006738E02
      B0065HUC02
      B006557 CAN Main Bus Line B0067OI Terminating Resistor
      B0067ZJ CAN Branch Line * Gateway Function Equipped ECU
      B0067U9 Bus Monitoring Direction - -
      Bus Code ECU/Sensor Name CAN DTC Storage Note
      - CGW Central Gateway ECU (Network Gateway ECU) - -
      V Bus DLC3 DLC3 - -
      Bus 2 ENG ECM Available -
      MET Combination Meter Assembly Available -
      EPS Power Steering ECU Assembly Available -
      A/C Air Conditioning Amplifier Assembly Available -
      SMT Certification ECU (Smart Key ECU Assembly) Available The certification ECU (smart key ECU assembly) is also connected to the LIN communication system.
      MB Main Body ECU (Multiplex Network Body ECU) Available

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

      • The main body ECU (multiplex network body ECU) is also connected to the LIN communication system.
      ASC Stereo Component Equalizer Assembly Available -
      BRK Skid Control ECU (Brake Actuator Assembly) Available -
      YGS Yaw Rate Sensor - -
      SRS Airbag ECU Assembly - -
      STR Steering Sensor - -
      TVD Torque Vectoring Differential ECU Assembly Available w/ Torque Vectoring Differential System
      RSC Spoiler Control ECU Assembly Available -
      CAN J/C NO. 1 No. 1 CAN Junction Connector - -
      CAN J/C NO. 2 No. 2 CAN Junction Connector - -
      Bus 3 AV Radio Receiver Assembly Available -
      DCM Telematics Transceiver Available w/ Telematics Transceiver
      YGW Option Connector (Bus Buffer ECU) - w/ Option Connector
      CAN J/C NO. 3 No. 3 CAN Junction Connector - -
      Bus 5 CS Clearance Warning ECU Assembly Available -
      SUS Absorber Control ECU Available -
      DS Driving Support ECU Assembly Available w/ Lexus Safety System +
      F-CAM Forward Recognition Camera Available w/ Lexus Safety System +
      F-MR Millimeter Wave Radar Sensor Assembly - w/ Lexus Safety System +
      BSM Blind Spot Monitor Sensor LH Available w/ Blind Spot Monitor System
      R-CA Rear Television Camera Assembly Available -
      ST2 No. 2 CAN Junction Terminal - -
      CAN J/C NO. 12 No. 12 CAN Junction Connector - -
      CAN J/C NO. 13 No. 13 CAN Junction Connector - -
      CAN J/C NO. 16 No. 16 CAN Junction Connector - -
      Sub Bus 1 MB Main Body ECU (Multiplex Network Body ECU) Available

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

      • The main body ECU (multiplex network body ECU) is also connected to the LIN communication system.
      MIR-L Outer Mirror Control ECU Assembly (for Driver Side) Available -
      MIR-R Outer Mirror Control ECU Assembly (for Front Passenger Side) Available -
      T&T Multiplex Tilt and Telescopic ECU Available -
      DST Position Control ECU and Switch Assembly LH - -
      LITM Headlight Light Control ECU Sub-assembly LH Available -
      PST Position Control ECU and Switch Assembly RH - -
      ST1 No. 1 CAN Junction Terminal - -
      CAN J/C NO. 3 No. 3 CAN Junction Connector - -
      CAN J/C NO. 7 No. 7 CAN Junction Connector - -
      V3 Bus ENG ECM - -
      BRK Skid Control ECU (Brake Actuator Assembly) - -
      TVD Torque Vectoring Differential ECU Assembly Available w/ Torque Vectoring Differential System
      YGS Roll Rate and Vertical Acceleration Sensor - -
      CAN J/C NO. 8 No. 8 CAN Junction Connector - -
      CAN J/C NO. 10 No. 10 CAN Junction Connector - -

  2. OVERALL CAN BUS DIAGRAM (for RHD)


    1. The CAN communication system is composed of 6 buses.

      B0067M2C02
      B006557 CAN Main Bus Line B0067OI Terminating Resistor
      B0067ZJ CAN Branch Line * Gateway Function Equipped ECU
      B0067U9 Bus Monitoring Direction - -
      Bus Code ECU/Sensor Name CAN DTC Storage Note
      - CGW Central Gateway ECU (Network Gateway ECU) - -
      V Bus DLC3 DLC3 - -
      Bus 2 ENG ECM Available -
      MET Combination Meter Assembly Available -
      EPS Power Steering ECU Assembly Available -
      A/C Air Conditioning Amplifier Assembly Available -
      SMT Certification ECU (Smart Key ECU Assembly) Available The certification ECU (smart key ECU assembly) is also connected to the LIN communication system.
      MB Main Body ECU (Multiplex Network Body ECU) Available

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

      • The main body ECU (multiplex network body ECU) is also connected to the LIN communication system.
      ASC Stereo Component Equalizer Assembly Available -
      BRK Skid Control ECU (Brake Actuator Assembly) Available -
      YGS Yaw Rate Sensor - -
      SRS Airbag ECU Assembly - -
      STR Steering Sensor - -
      TVD Torque Vectoring Differential ECU Assembly Available w/ Torque Vectoring Differential System
      RSC Spoiler Control ECU Assembly Available -
      CAN J/C NO. 1 No. 1 CAN Junction Connector - -
      CAN J/C NO. 2 No. 2 CAN Junction Connector - -
      Bus 3 AV Radio Receiver Assembly Available -
      CAN J/C NO. 4 No. 4 CAN Junction Connector - -
      Bus 5 CS Clearance Warning ECU Assembly Available -
      SUS Absorber Control ECU Available -
      DS Driving Support ECU Assembly Available w/ Lexus Safety System +
      F-CAM Forward Recognition Camera Available w/ Lexus Safety System +
      F-MR Millimeter Wave Radar Sensor Assembly - w/ Lexus Safety System +
      BSM Blind Spot Monitor Sensor LH Available w/ Blind Spot Monitor System
      R-CA Rear Television Camera Assembly Available -
      ST2 No. 2 CAN Junction Terminal - -
      CAN J/C NO. 12 No. 12 CAN Junction Connector - -
      CAN J/C NO. 15 No. 15 CAN Junction Connector - -
      CAN J/C NO. 14 No. 14 CAN Junction Connector - -
      Sub Bus 1 MB Main Body ECU (Multiplex Network Body ECU) Available

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

      • The main body ECU (multiplex network body ECU) is also connected to the LIN communication system.
      MIR-L Outer Mirror Control ECU Assembly (for Driver Side) Available -
      MIR-R Outer Mirror Control ECU Assembly (for Front Passenger Side) Available -
      T&T Multiplex Tilt and Telescopic ECU Available -
      DST Position Control ECU and Switch Assembly LH - -
      LITM Headlight Light Control ECU Sub-assembly LH Available -
      PST Position Control ECU and Switch Assembly RH - -
      ST1 No. 1 CAN Junction Terminal - -
      CAN J/C NO. 4 No. 4 CAN Junction Connector - -
      CAN J/C NO. 11 No. 11 CAN Junction Connector - -
      V3 Bus ENG ECM - -
      BRK Skid Control ECU (Brake Actuator Assembly) - -
      TVD Torque Vectoring Differential ECU Assembly Available w/ Torque Vectoring Differential System
      YGS Roll Rate and Vertical Acceleration Sensor - -
      CAN J/C NO. 6 No. 6 CAN Junction Connector - -
      CAN J/C NO. 8 No. 8 CAN Junction Connector - -