LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2021 >> RC 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Diagnostics - Introduction (01 Of 22) >> Can Communication System >> System Diagram [11/2017 - 10/2018] >> System Diagram [11/2017 - 10/2018]

System Diagram [11/2017 - 10/2018]

  1. OVERALL CAN BUS DIAGRAM 
    1. The CAN communication system is composed of 6 buses.
      GTY827672Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      CAN Main Bus Line Terminating Resistor
      CAN Branch Line * Gateway Function Equipped ECU
      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 - -
      YGS Yaw Rate Sensor - -
      VGRS Front Steering Control ECU Available w/ VGRS 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 DCM (Telematics Transceiver) Available w/ Telematics Transceiver
      YGW Option Connector (Bus Buffer ECU) - w/ CAN Compatible Optional Devices
      CAN J/C NO. 3 No. 3 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
      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. 7 No. 7 CAN Junction Connector - w/ VGRS System
      CAN J/C NO. 11 No. 11 CAN Junction Connector - w/ VGRS System
      CAN J/C NO. 13 No. 13 CAN Junction Connector - w/ VGRS System
      ST3 No. 3 CAN Junction Terminal - w/ VGRS System
      Bus 5 AWD 4WD ECU Assembly Available for AWD
      DS Driving Support ECU Assembly Available -
      SUS Absorber Control ECU Available w/ AVS System
      F-CAM Forward Recognition Camera Available -
      F-MR Millimeter Wave Radar Sensor Assembly - -
      CS Clearance Warning ECU Assembly Available w/ Intuitive Parking Assist System
      BSM Blind Spot Monitor Sensor LH Available w/ Blind Spot Monitor System
      R-CA Rear Television Camera Assembly Available -
      CAN J/C NO. 9 No. 9 CAN Junction Connector - -
      CAN J/C NO. 10 No. 10 CAN Junction Connector - -
      CAN J/C NO. 12 No. 12 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. 3 No. 3 CAN Junction Connector - -
      CAN J/C NO. 7 No. 7 CAN Junction Connector - -
      ST1 No. 1 CAN Junction Terminal - -