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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Can Communication System (HV) - Diagnostics - Introduction (1 Of 7)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> System Diagram [12/2019 - 10/2021] >> System Diagram [12/2019 - 10/2021]

System Diagram [12/2019 - 10/2021]

WARNING: This page is about a different variant/trim than selected.
  1. OVERALL CAN BUS DIAGRAM 
    GTY847977Courtesy 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 GTS Display Applicability
    - CGW Central Gateway ECU (Network Gateway ECU) - Installed on all vehicles
    - DLC3 DLC3 - Installed on all vehicles
    Bus 1 GRS Swing Grille Actuator Assembly Grill Shutter Installed on all vehicles
    F-CAM Forward Recognition Camera Front Camera Module Installed on all vehicles
    CS Clearance Warning ECU Assembly Clearance Warning (Intuitive Parking Assist) w/ Intuitive Parking Assist System
    PAC Parking Assist ECU Panoramic View Monitor / Circumference Monitoring Camera Control Module w/ Panoramic View Monitor System
    F-MR Millimeter Wave Radar Sensor Assembly Front Radar Installed on all vehicles
    BSM Blind Spot Monitor Sensor LH Blind Spot Monitor Master Installed on all vehicles
    R-CA Rear Television Camera Assembly Parking Assist Monitor System / Rear Camera w/ Parking Assist Monitor System or Panoramic View Monitor System
    CAN Global J/C NO. 5 No. 5 Global CAN Junction Connector - Installed on all vehicles
    CAN Global J/C NO. 10 No. 10 Global CAN Junction Connector - Installed on all vehicles
    ST No. 1 CAN Junction Terminal - Installed on all vehicles
    Bus 2 HV Hybrid Vehicle Control ECU Hybrid Vehicle Control Installed on all vehicles
    VAS Vehicle Approaching Speaker Controller Vehicle Proximity Notification System Installed on all vehicles
    BRK2 No. 2 Skid Control ECU (Brake Actuator Assembly) Skid Control (ABS/VSC/TRAC) Installed on all vehicles
    BRK1 No. 1 Skid Control ECU (Brake Booster with Master Cylinder Assembly) Brake Booster Installed on all vehicles
    MGC (F-MGC) Inverter with Converter Assembly Motor Generator Installed on all vehicles
    MGC (R-MGC) Inverter with Converter Assembly Rear Motor Generator for AWD
    ENG ECM ECM (Engine) Installed on all vehicles
    CAN Global J/C NO. 1 No. 1 Global CAN Junction Connector - Installed on all vehicles
    Bus 3 DCM DCM (Telematics Transceiver) DCM w/ Telematics Transceiver
    AV Radio and Display Receiver Assembly Display and Navigation (AVN) for 8 Inch Display
    Radio Receiver Assembly Display and Navigation (AVN) for 12.3 Inch Display
    CAN Global J/C NO. 7 No. 7 Global CAN Junction Connector - Installed on all vehicles
    Bus 4 YGS Yaw Rate Sensor Yaw Rate Sensor Installed on all vehicles
    OCS Occupant Detection ECU Occupant Detection Installed on all vehicles
    TPMS Tire Pressure Warning ECU and Receiver Tire Pressure Installed on all vehicles
    STR Steering Sensor Spiral cable (Steering Angle Sensor) Installed on all vehicles
    EPS Rack and Pinion Power Steering Gear Assembly Power Steering (EPS) Installed on all vehicles
    HV Hybrid Vehicle Control ECU Hybrid Vehicle Control Installed on all vehicles
    BRK2 No. 2 Skid Control ECU (Brake Actuator Assembly) Skid Control (ABS/VSC/TRAC) Installed on all vehicles
    BRK1 No. 1 Skid Control ECU (Brake Booster with Master Cylinder Assembly) Brake Booster Installed on all vehicles
    ENG ECM ECM (Engine) Installed on all vehicles
    SRS Airbag Sensor Assembly Airbag Installed on all vehicles
    CAN Global J/C NO. 2 No. 2 Global CAN Junction Connector - Installed on all vehicles
    CAN Global J/C NO. 8 No. 8 Global CAN Junction Connector - Installed on all vehicles
    Bus 5 MIR-R Outer Mirror Control ECU Assembly RH Front Door RH/R-Mirror (FR-Door/R-Mirror) w/ Seat Position Memory System
    MIR-L Outer Mirror Control ECU Assembly LH Front Door LH/L-Mirror (FL-Door/L-Mirror) w/ Seat Position Memory System
    SMT Certification ECU (Smart Key ECU Assembly) Certification (Smart) Installed on all vehicles
    A/C Air Conditioning Amplifier Assembly Air Conditioning Amplifier Installed on all vehicles
    LITS Headlight ECU Sub-assembly RH HL AutoLeveling/AFS/AHS (Sub) w/ AFS
    LITM Headlight ECU Sub-assembly LH HL AutoLeveling/AFS/AHS w/ AFS
    F-CP Integration Control Sub-assembly D-SEAT SW w/ Toyota Multi Operation Touch System
    HUD Meter Mirror Sub-assembly Head Up Display w/ Headup Display System
    MB Main Body ECU (Multiplex Network Body ECU) Main Body Installed on all vehicles
    DST Position Control ECU Assembly LH D-Seat w/ Seat Position Memory System
    BKD Multiplex Network Door ECU Back Door Installed on all vehicles
    MET Combination Meter Assembly Combination Meter Installed on all vehicles
    CAN Global J/C NO. 3 No. 3 Global CAN Junction Connector - Installed on all vehicles
    CAN Global J/C NO. 4 No. 4 Global CAN Junction Connector - Installed on all vehicles
    CAN Global J/C NO. 9 No. 9 Global CAN Junction Connector - Installed on all vehicles
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