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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 [11/2023 - 11/2024] >> System Diagram [11/2023 - 11/2024]

System Diagram [11/2023 - 11/2024]

WARNING: This page is about a different variant/trim than selected.
  1. OVERALL CAN BUS DIAGRAM 
    GTY1180237Courtesy 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 F-MR Millimeter Wave Radar Sensor Assembly Front Radar 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-CAM Forward Recognition Camera Front Camera Module Installed on all vehicles
    BSM Blind Spot Monitor Sensor LH (B) Blind Spot Monitor "B" w/ Blind Spot Monitor System
    R-CA Rear Television Camera Assembly Parking Assist Monitor System / Rear Camera w/ Parking Assist 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 MGC Inverter with Converter Assembly Motor Generator Installed on all vehicles
    VAS Vehicle Approaching Speaker Controller Acoustic Vehicle Alerting System w/ Acoustic Vehicle Alerting System
    HV Hybrid Vehicle Control ECU Hybrid Vehicle Control Installed on all vehicles
    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 AV Radio and Display Receiver Assembly Display and Navigation (AVN) Installed on all vehicles
    HUD Meter Mirror Sub-assembly Head Up Display w/ Headup Display System
    EIM Inner Rear View Mirror Assembly Digital Rear-View Mirror w/ Digital Inner Mirror System
    DCM DCM (Telematics Transceiver) DCM w/ Telematics Transceiver
    MET Combination Meter Assembly Combination Meter Installed on all vehicles
    CAN Global J/C NO. 7 No. 7 Global CAN Junction Connector - Installed on all vehicles
    Bus 4 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
    STR Steering Sensor Spiral cable (Steering Angle Sensor) Installed on all vehicles
    SRS Airbag Sensor Assembly Airbag Installed on all vehicles
    EPS Rack and Pinion Power Steering Gear Assembly Power Steering (EPS) 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. 12 No. 12 Global CAN Junction Connector - Installed on all vehicles
    Bus 5 LITS Headlight ECU Sub-assembly RH Headlight Control (Sub) w/ AFS
    SMT Certification ECU (Smart Key ECU Assembly)
    • Certification (Smart)
    • Power Management
    		 Installed on all vehicles
    MIR-R Outer Mirror Control ECU Assembly RH Front Door RH/R-Mirror (FR-Door/R-Mirror) w/ Seat Position Memory System
    A/C Air Conditioning Amplifier Assembly Air Conditioning Amplifier Installed on all vehicles
    MIR-L Outer Mirror Control ECU Assembly LH Front Door LH/L-Mirror (FL-Door/L-Mirror) w/ Seat Position Memory System
    LITM Headlight ECU Sub-assembly LH Headlight Control w/ AFS
    DST Position Control ECU Assembly LH D-Seat w/ Seat Position Memory System
    BKD Multiplex Network Door ECU Back Door w/ Power Back Door System
    MB Main Body ECU (Multiplex Network Body ECU) Main Body 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
    Bus 6 TPMS Tire Pressure Warning ECU and Receiver Tire Pressure Installed on all vehicles
    CAN Global J/C NO. 13 No. 13 Global CAN Junction Connector - Installed on all vehicles
    Bus 7 YGW Option Connector (Bus Buffer ECU) - w/ CAN Compatible Optional Devices
    Powertrain Local Bus BRK2 No. 2 Skid Control ECU (Brake Actuator Assembly) - Installed on all vehicles
    BRK1 No. 1 Skid Control ECU (Brake Booster with Master Cylinder Assembly) - Installed on all vehicles
    HV Hybrid Vehicle Control ECU - Installed on all vehicles
    ENG ECM - Installed on all vehicles
    CAN Global J/C NO. 1 No. 1 Global CAN Junction Connector - Installed on all vehicles
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