CAN COMMUNICATION SYSTEM SYSTEM DIAGRAM


  1. OVERALL CAN BUS DIAGRAM (for LHD)


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

      B0077L3C02
      B0073VD CAN Main Bus Line B0075G8 Terminating Resistor
      B0073FC CAN Branch Line * Gateway Function Equipped ECU
      B0073AQ Bus Monitoring Direction - -
      Connected to Code ECU/Sensor Name CAN DTC Storage Note
      - CGW Central Gateway ECU (Network Gateway ECU) - -
      V Bus DLC3 DLC3 - -
      Bus 2 ENG ECM Available -
      BRK Skid Control ECU (Brake Actuator Assembly) Available -
      LIT Headlight Leveling ECU Assembly Available for Single Beam Headlight
      STR Steering Sensor - -
      MB Main Body ECU (Multiplex Network Body ECU) Available

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

      • Connected to LIN communication system
      SRS Airbag ECU Assembly Available -
      YGS Yaw Rate Sensor - -
      VGRS Front Steering Control ECU Available w/ VGRS System
      S&S Engine Stop and Start ECU Available w/ Stop and Start System
      EPS Power Steering ECU Assembly Available -
      SMT Certification ECU (Smart Key ECU Assembly) Available -
      A/C Air Conditioning Amplifier Assembly Available -
      ASC Stereo Component Equalizer Assembly Available w/ ASC System
      MET Combination Meter 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


      • The telematics transceiver informs the radio receiver assembly of output DTCs through the USB communication line. (for G-BOOK)
      YGW Option Connector (Bus Buffer ECU) - w/ CAN Compatible Optional Devices
      CAN J/C NO. 5 No. 5 CAN Junction Connector - -
      Bus 4 BRK Skid Control ECU (Brake Actuator Assembly) Available w/ VGRS System
      DS Driving Support ECU Assembly Available w/ VGRS System and Lexus Safety System +
      SUS Absorber Control ECU Available w/ VGRS System
      VGRS Front Steering Control ECU Available w/ VGRS System
      EPS Power Steering ECU Assembly Available w/ VGRS System
      DRS Rear Steering Control ECU Available w/ VGRS System
      CAN J/C NO. 10 No. 10 CAN Junction Connector - w/ VGRS System
      CAN J/C NO. 15 No. 15 CAN Junction Connector - w/ VGRS System
      CAN J/C NO. 18 No. 18 CAN Junction Connector - w/ VGRS System
      ST3 No. 3 CAN Junction Terminal - w/ VGRS System
      Bus 5 DS Driving Support ECU Assembly Available w/ Lexus Safety System +
      SUS Absorber Control ECU Available w/ AVS System
      F-CAM Forward Recognition Camera Available w/ Lexus Safety System +
      F-MR Millimeter Wave Radar Sensor Assembly - w/ Lexus Safety System +
      CS Clearance Warning ECU Assembly Available w/ LEXUS Parking Assist-sensor System
      BSM Blind Spot Monitor Sensor LH Available w/ Blind Spot Monitor System
      R-CA Rear Television Camera Assembly Available w/ Parking Assist Monitor System
      CAN J/C NO. 12 No. 12 CAN Junction Connector - -
      CAN J/C NO. 17 No. 17 CAN Junction Connector - -
      CAN J/C NO. 20 No. 20 CAN Junction Connector - -
      ST2 No. 2 CAN Junction Terminal - -
      Sub Bus 1 MB Main Body ECU (Multiplex Network Body ECU) Available

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

      • Connected to LIN communication system
      T&T Multiplex Tilt and Telescopic ECU Available w/ Power Tilt and Power Telescopic System
      LITM Headlight Light Control ECU Sub-assembly LH Available for Triple Beam Headlight
      MIR-L Outer Mirror Control ECU Assembly (for Driver Side) Available w/ Seat Position Memory System
      DST Position Control ECU and Switch Assembly LH - -
      MIR-R Outer Mirror Control ECU Assembly (for Front Passenger Side) Available w/ Seat Position Memory System
      PST Position Control ECU and Switch Assembly RH - -
      CAN J/C NO. 5 No. 5 CAN Junction Connector - -
      CAN J/C NO. 10 No. 10 CAN Junction Connector - -
      ST1 No. 1 CAN Junction Terminal - -

  2. OVERALL CAN BUS DIAGRAM (for RHD)


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

      B0075BZC02
      B0073VD CAN Main Bus Line B0075G8 Terminating Resistor
      B0073FC CAN Branch Line * Gateway Function Equipped ECU
      B0073AQ Bus Monitoring Direction - -
      Connected to Code ECU/Sensor Name CAN DTC Storage Note
      - CGW Central Gateway ECU (Network Gateway ECU) - -
      V Bus DLC3 DLC3 - -
      Bus 2 ENG ECM Available -
      BRK Skid Control ECU (Brake Actuator Assembly) Available -
      LIT Headlight Leveling ECU Assembly Available for Single Beam Headlight
      STR Steering Sensor - -
      MB Main Body ECU (Multiplex Network Body ECU) Available

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

      • Connected to LIN communication system
      SRS Airbag ECU Assembly Available -
      YGS Yaw Rate Sensor - -
      VGRS Front Steering Control ECU Available w/ VGRS System
      S&S Engine Stop and Start ECU Available w/ Stop and Start System
      EPS Power Steering ECU Assembly Available -
      SMT Certification ECU (Smart Key ECU Assembly) Available -
      A/C Air Conditioning Amplifier Assembly Available -
      ASC Stereo Component Equalizer Assembly Available w/ ASC System
      MET Combination Meter 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. 6 No. 6 CAN Junction Connector - -
      Bus 4 BRK Skid Control ECU (Brake Actuator Assembly) Available w/ VGRS System
      DS Driving Support ECU Assembly Available w/ VGRS System and Lexus Safety System +
      SUS Absorber Control ECU Available w/ VGRS System
      VGRS Front Steering Control ECU Available w/ VGRS System
      EPS Power Steering ECU Assembly Available w/ VGRS System
      DRS Rear Steering Control ECU Available w/ VGRS System
      CAN J/C NO. 8 No. 8 CAN Junction Connector - w/ VGRS System
      CAN J/C NO. 16 No. 16 CAN Junction Connector - w/ VGRS System
      CAN J/C NO. 18 No. 18 CAN Junction Connector - w/ VGRS System
      ST3 No. 3 CAN Junction Terminal - w/ VGRS System
      Bus 5 DS Driving Support ECU Assembly Available w/ Lexus Safety System +
      SUS Absorber Control ECU Available w/ AVS System
      F-CAM Forward Recognition Camera Available w/ Lexus Safety System +
      F-MR Millimeter Wave Radar Sensor Assembly - w/ Lexus Safety System +
      CS Clearance Warning ECU Assembly Available w/ LEXUS Parking Assist-sensor System
      BSM Blind Spot Monitor Sensor LH Available w/ Blind Spot Monitor System
      R-CA Rear Television Camera Assembly Available w/ Parking Assist Monitor System
      CAN J/C NO. 14 No. 14 CAN Junction Connector - -
      CAN J/C NO. 17 No. 17 CAN Junction Connector - -
      CAN J/C NO. 19 No. 19 CAN Junction Connector - -
      ST2 No. 2 CAN Junction Terminal - -
      Sub Bus 1 MB Main Body ECU (Multiplex Network Body ECU) Available

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

      • Connected to LIN communication system
      T&T Multiplex Tilt and Telescopic ECU Available w/ Power Tilt and Power Telescopic System
      LITM Headlight Light Control ECU Sub-assembly LH Available for Triple Beam Headlight
      MIR-R Outer Mirror Control ECU Assembly (for Driver Side) Available w/ Seat Position Memory System
      DST Position Control ECU and Switch Assembly RH - -
      MIR-L Outer Mirror Control ECU Assembly (for Front Passenger Side) Available w/ Seat Position Memory System
      PST Position Control ECU and Switch Assembly LH - -
      CAN J/C NO. 6 No. 6 CAN Junction Connector - -
      CAN J/C NO. 16 No. 16 CAN Junction Connector - -
      ST1 No. 1 CAN Junction Terminal - -