LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2017 >> IS 300 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Diagnostics - Introduction (01 Of 13) >> Can Communication System >> System Diagram [10/2017 - 09/2018] >> System Diagram [10/2017 - 09/2018]

System Diagram [10/2017 - 09/2018]

  1. OVERALL CAN BUS DIAGRAM 
    1. The CAN communication system is composed of 5 buses.
      Fig 1: CAN Communication System Wiring Diagram
      GTY792836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      CAN Main Bus Line Terminating Resistor
      CAN Branch Line Bus Monitoring Direction
      *a Gateway Function Equipped ECU *b The type of connector will differ depending on the specifications of the vehicle.
      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 w/ ASC System
      LIT Headlight Swivel ECU Assembly Available w/ AFS
      BRK Skid Control ECU (Brake Actuator Assembly) Available -
      YGS Yaw Rate Sensor - -
      SRS Airbag Sensor Assembly - -
      STR Steering Sensor - -
      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 (for Lexus Enform Remote Compatible Type)
      YGW Option Connector (Bus Buffer ECU) - -
      CAN J/C NO. 5 No. 5 CAN Junction Connector - -
      Bus 5 CS Clearance Warning ECU Assembly Available w/ Intuitive Parking Assist System
      SUS Absorber Control ECU Available w/ AVS System
      DS Driving Support ECU Assembly Available -
      AWD 4WD ECU Assembly Available for AWD
      F-CAM Forward Recognition Camera Available -
      F-MR Millimeter Wave Radar Sensor Assembly - -
      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 - -
      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.
      F-DRL Outer Mirror Control ECU Assembly (for Driver Side) Available w/ Seat Position Memory System
      F-DRR Outer Mirror Control ECU Assembly (for Front Passenger Side) Available w/ Seat Position Memory System
      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
      LITM No. 1 Headlight ECU Sub-assembly LH Available w/o AFS
      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. 13 No. 13 Junction Connector - -
scientia non olet · About LEMON Manuals