Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000002DUHF
Model Year Start: 2024 Model: GR Corolla Prod Date Range: [08/2023 -           ]
Title: NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): SYSTEM DIAGRAM; 2024 - 2025 MY Corolla Corolla Hatchback GR Corolla [08/2023 -        ]

SYSTEM DIAGRAM

OVERALL CAN BUS DIAGRAM

except G16E-GTS

*A

w/ Front Camera System

*B

w/o Front Camera System

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-CAM

Forward Recognition Camera

Front Camera Module

w/ Front Camera System

F-MR

Millimeter Wave Radar Sensor Assembly

Front Radar

w/ Front Camera System

BSM

Blind Spot Monitor Sensor LH (B)

Blind Spot Monitor "B"

w/ Blind Spot Monitor System

CAN J/C NO. 18

No. 18 CAN Junction Connector

-

Installed on all vehicles

CAN J/C NO. 19

No. 19 CAN Junction Connector

-

Installed on all vehicles

ST

CAN Junction Terminal

-

Installed on all vehicles

Bus 2

TCM

TCM

TCM

for CVT (K120)

ENG

ECM

ECM (Engine)

Installed on all vehicles

CAN J/C NO. 11

No. 11 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)

Installed on all vehicles

MET

Combination Meter Assembly

Combination Meter

Installed on all vehicles

CAN J/C NO. 15

No. 15 CAN Junction Connector

-

Installed on all vehicles

Bus 4

SRS

Airbag Sensor Assembly

Airbag

Installed on all vehicles

STR

Steering Sensor

Spiral cable (Steering Angle Sensor)

Installed on all vehicles

BRK

Brake Actuator Assembly

Skid Control (ABS/VSC/TRAC)

Installed on all vehicles

EPS

Power Steering ECU with Motor Assembly

Power Steering (EPS)

Installed on all vehicles

CAN J/C NO. 10

No. 10 CAN Junction Connector

-

Installed on all vehicles

CAN J/C NO. 13

No. 13 CAN Junction Connector

-

Installed on all vehicles

Bus 5

A/C

Air Conditioning Amplifier Assembly

Air Conditioning Amplifier

Installed on all vehicles

SMT

Certification ECU (Smart Key ECU Assembly)
  • Certification (Smart)
  • Power Management

w/ Smart Key System

MB

Main Body ECU (Multiplex Network Body ECU)

Main Body

Installed on all vehicles

CAN J/C NO. 12

No. 12 CAN Junction Connector

-

Installed on all vehicles

CAN J/C NO. 17

No. 17 CAN Junction Connector

-

Installed on all vehicles

Bus 6

TPMS

Tire Pressure Warning ECU and Receiver

Tire Pressure

w/ Tire Pressure Warning System

CAN J/C NO. 16

No. 16 CAN Junction Connector

-

Installed on all vehicles

Bus 7

YGW

Option Connector (Bus Buffer ECU)

Remote Engine Starter

w/ CAN Compatible Optional Devices

Chassis Local Bus

BRK

Brake Actuator Assembly

-

Installed on all vehicles

ENG

ECM

-

Installed on all vehicles

CAN J/C NO. 11

No. 11 CAN Junction Connector

-

Installed on all vehicles
for G16E-GTS

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

CS

Clearance Warning ECU Assembly

Clearance Warning (Intuitive Parking Assist)

w/ Intuitive Parking Assist System

F-CAM

Forward Recognition Camera

Front Camera Module

Installed on all vehicles

F-MR

Millimeter Wave Radar Sensor Assembly

Front Radar

Installed on all vehicles

BSM

Blind Spot Monitor Sensor LH (B)

Blind Spot Monitor B

w/ Blind Spot Monitor System

CAN J/C NO. 18

No. 18 CAN Junction Connector

-

Installed on all vehicles

CAN J/C NO. 19

No. 19 CAN Junction Connector

-

Installed on all vehicles

ST

CAN Junction Terminal

-

Installed on all vehicles

Bus 2

ENG

ECM

ECM (Engine)

Installed on all vehicles

Bus 3

DCM

DCM (Telematics Transceiver)

DCM

Installed on all vehicles

AV

Radio and Display Receiver Assembly

Display and Navigation (AVN)

w/ Radio and Display Receiver Assembly

MET

Combination Meter Assembly

Combination Meter

Installed on all vehicles

CAN J/C NO. 15

No. 15 CAN Junction Connector

-

Installed on all vehicles

Bus 4

SRS

Airbag Sensor Assembly

Airbag

Installed on all vehicles

STR

Steering Sensor

Spiral cable (Steering Angle Sensor)

Installed on all vehicles

BRK

Brake Actuator Assembly

Skid Control (ABS/VSC/TRAC)

Installed on all vehicles

EPS

Power Steering ECU with Motor Assembly

Power Steering (EPS)

Installed on all vehicles

CAN J/C NO. 10

No. 10 CAN Junction Connector

-

Installed on all vehicles

CAN J/C NO. 13

No. 13 CAN Junction Connector

-

Installed on all vehicles

Bus 5

A/C

Air Conditioning Amplifier Assembly

Air Conditioning Amplifier

Installed on all vehicles

SMT

Certification ECU (Smart Key ECU Assembly)
  • Certification (Smart)
  • Power Management

Installed on all vehicles

MB

Main Body ECU (Multiplex Network Body ECU)

Main Body

Installed on all vehicles

CAN J/C NO. 17

No. 17 CAN Junction Connector

-

Installed on all vehicles

Bus 6

TPMS

Tire Pressure Warning ECU and Receiver

Tire Pressure

Installed on all vehicles

AWD

4WD ECU Assembly

Four Wheel Drive Control

Installed on all vehicles

CAN J/C NO. 16

No. 16 CAN Junction Connector

-

Installed on all vehicles

Bus 7

YGW

Option Connector (Bus Buffer ECU)

Remote Engine Starter

w/ CAN Compatible Optional Devices

Chassis Local Bus

BRK

Brake Actuator Assembly

-

Installed on all vehicles

ENG

ECM

-

Installed on all vehicles