Lexus ES: System Diagram

CAN Main Bus Line

Terminating Resistor

CAN Branch Line

*

Gateway Function Equipped ECU

Bus Monitoring Direction

-

-

-

CGW

Central Gateway ECU (Network Gateway ECU)

-

-

-

DLC3

DLC3

-

-

Bus 1

F-CAM

Forward Recognition Camera

Available

-

F-MR

Millimeter Wave Radar Sensor Assembly

Available

-

BSM

Blind Spot Monitor Sensor RH

Available

w/ Blind Spot Monitor System

R-CA

Rear Television Camera Assembly

Available

-

CS

Clearance Warning ECU Assembly

Available

w/ Parking Support Brake System

PAC

Parking Assist ECU

Available

w/ Panoramic View Monitor System

CAN J/C NO. 1

No. 1 CAN Junction Connector

-

-

CAN J/C NO. 6

No. 6 CAN Junction Connector

-

-

ST

No. 1 CAN Junction Terminal

-

-

Bus 2

ENG

ECM

Available

-

J/C NO. 2

No. 2 Junction Connector

-

-

CAN J/C NO. 4

No. 4 CAN Junction Connector

-

-

Bus 3

AV

Radio Receiver Assembly

Available

-

DCM

DCM (Telematics Transceiver)

Available

w/ Telematics Transceiver

ANC

Stereo Component Equalizer Assembly

Available

w/ Active Noise Control System

YGW

Option Connector (Bus Buffer ECU)

-

w/ CAN Compatible Optional Devices

CAN J/C NO. 4

No. 4 CAN Junction Connector

-

-

Bus 4

TPMS

Tire Pressure Warning ECU and Receiver

Available

-

OCS

Occupant Detection ECU

Available

-

SUS

Absorber Control ECU

Available

w/ AVS System

BRK

Brake Actuator Assembly

Available

-

EPS

Rack and Pinion Power Steering Gear Assembly

Available

-

STR

Steering Sensor

-

-

SRS

Airbag ECU Assembly

Available

-

CAN J/C NO. 2

No. 2 CAN Junction Connector

-

-

CAN J/C NO. 4

No. 4 CAN Junction Connector

-

-

CAN J/C NO. 7

No. 7 CAN Junction Connector

-

-

Bus 5

LITS

Headlight ECU Sub-assembly RH

Available

-

MIR-R

Outer Mirror Control ECU Assembly RH

Available

w/ Seat Position Memory System

DST

Position Control ECU Assembly LH

-

w/ Seat Position Memory System

MIR-L

Outer Mirror Control ECU Assembly LH

Available

w/ Seat Position Memory System

A/C

Air Conditioning Amplifier Assembly

Available

-

MB

Main Body ECU (Multiplex Network Body ECU)

Available

Connected to LIN communication system

HUD

Meter Mirror Sub-assembly

Available

w/ Headup Display System

SMT

Certification ECU (Smart Key ECU Assembly)

Available

-

LITM

Headlight ECU Sub-assembly LH

Available

-

T&T

Multiplex Tilt and Telescopic ECU

Available

w/ Power Tilt and Power Telescopic System

MET

Combination Meter Assembly

Available

-

BKD

Luggage Closer Motor Assembly

Available

w/ Power Trunk Lid System

CAN J/C NO. 5

No. 5 CAN Junction Connector

-

-

CAN J/C NO. 8

No. 8 CAN Junction Connector

-

-

J/C NO. 1

No. 1 Junction Connector

-

-