CAN COMMUNICATION SYSTEM SYSTEM DIAGRAM


  1. OVERALL CAN BUS DIAGRAM (for LHD)


    1. The CAN communication system is composed of 5 buses.

      B003W11C01
      B003UVT CAN Main Bus Line B003VIV Terminating Resistor
      B003UDB CAN Branch Line * Gateway Function Equipped ECU
      B003WAF 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.
      S&S Engine Stop and Start ECU Available w/ Stop and Start System
      BRK Skid Control ECU (Brake Actuator Assembly) Available -
      YGS Yaw Rate Sensor - -
      SRS Airbag Sensor Assembly Available -
      STR Steering Sensor - -
      ASC Stereo Component Equalizer Assembly Available w/ ASC System
      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 w/ Navigation System or Audio and Visual System
      DCM Telematics Transceiver Available w/ Telematics Transceiver
      YGW Option Connector (Bus Buffer ECU) - -
      CAN J/C NO. 7 No. 7 CAN Junction Connector - -
      Bus 5 CS Clearance Warning ECU Assembly Available w/ LEXUS Parking Assist-sensor System
      SUS Absorber Control ECU Available w/ AVS System
      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
      ST2 No. 2 CAN Junction Terminal - -
      CAN J/C NO. 9 No. 9 CAN Junction Connector - -
      CAN J/C NO. 10 No. 10 CAN Junction Connector - -
      CAN J/C NO. 13 No. 13 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.
      F-DRL Outer Mirror Control ECU Assembly (for Driver Side) Available w/ Automatic Retractable Mirror
      F-DRR Outer Mirror Control ECU Assembly (for Front Passenger Side) Available w/ Automatic Retractable Mirror
      T&T Multiplex Tilt and Telescopic ECU Available w/ Power Tilt and Power Telescopic System
      DST Front Power Seat Switch LH - w/ Seat Position Memory System
      R-CA Rear Television Camera Assembly Available w/ Parking Assist Monitor System w/o Parallel Parking Assist Function
      LITM No. 1 Headlight ECU Sub-assembly LH Available -
      ST1 No. 1 CAN Junction Terminal - -
      CAN J/C NO. 3 No. 3 CAN Junction Connector - -
      CAN J/C NO. 12 No. 12 CAN Junction Connector - -
      J/C NO. 14 No. 14 Junction Connector - -

  2. OVERALL CAN BUS DIAGRAM (for RHD)


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

      B003UPOC01
      B003WR2C01
      B003UVT CAN Main Bus Line B003VIV Terminating Resistor
      B003UDB CAN Branch Line * Gateway Function Equipped ECU
      B003WAF 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.
      S&S Engine Stop and Start ECU Available w/ Stop and Start System
      BRK Skid Control ECU (Brake Actuator Assembly) Available -
      VGRS Front Steering Control ECU Available w/ VGRS System
      YGS Yaw Rate Sensor - -
      SRS Airbag Sensor Assembly Available -
      STR Steering Sensor - -
      ASC Stereo Component Equalizer Assembly Available w/ ASC System
      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 w/ Navigation System or Audio and Visual System
      CAN J/C NO. 8 No. 8 CAN Junction Connector - -
      Bus 4 EPS Power Steering ECU Assembly Available w/ VGRS System
      VGRS Front Steering Control ECU Available w/ VGRS System
      BRK Skid Control ECU (Brake Actuator Assembly) Available w/ VGRS System
      SUS Absorber Control ECU Available w/ VGRS System
      CAN J/C NO. 8 No. 8 CAN Junction Connector - w/ VGRS System
      J/C NO. 14 No. 14 Junction Connector - w/ VGRS System
      Bus 5 CS Clearance Warning ECU Assembly Available w/ LEXUS Parking Assist-sensor System
      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 +
      SUS Absorber Control ECU Available w/ AVS System
      BSM Blind Spot Monitor Sensor LH Available w/ Blind Spot Monitor System
      ST2 No. 2 CAN Junction Terminal - -
      CAN J/C NO. 9 No. 9 CAN Junction Connector - -
      CAN J/C NO. 10 No. 10 CAN Junction Connector - -
      CAN J/C NO. 13 No. 13 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.
      F-DRR Outer Mirror Control ECU Assembly (for Driver Side) Available w/ Automatic Retractable Mirror
      F-DRL Outer Mirror Control ECU Assembly (for Front Passenger Side) Available w/ Automatic Retractable Mirror
      T&T Multiplex Tilt and Telescopic ECU Available -
      DST Front Power Seat Switch RH - w/ Seat Position Memory System
      R-CA Rear Television Camera Assembly Available w/ Parking Assist Monitor System w/o Parallel Parking Assist Function
      LITM No. 1 Headlight ECU Sub-assembly LH Available -
      ST1 No. 1 CAN Junction Terminal - -
      CAN J/C NO. 4 No. 4 CAN Junction Connector - -
      CAN J/C NO. 12 No. 12 CAN Junction Connector - -
      J/C NO. 14 No. 14 Junction Connector - -