Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: System Diagram

SYSTEM DIAGRAM

(a) The CAN communication system is composed of 5 buses.

CAN Main Bus Line

Terminating Resistor

CAN Branch Line

*

Gateway Function Equipped ECU

Bus Monitoring Direction

-

-

Connected to

Code

ECU/Sensor Name

CAN DTC Storage

Note

-

CGW

Central Gateway ECU (Network Gateway ECU)

-

-

-

DLC3

DLC3

-

-

Bus 1

F-CAM

Forward Recognition Camera

Available

-

F-MR

Millimeter Wave Radar Sensor Assembly

-

-

GRS

Swing Grille Actuator Assembly

-

-

DS

Driving Support ECU Assembly

Available

-

BSM

Blind Spot Monitor Sensor RH

Available

-

R-CA

Television Camera Assembly

Available

-

CS

Clearance Warning ECU Assembly

Available

w/ Intelligent Clearance Sonar 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. 7

No. 7 CAN Junction Connector

-

-

Bus 2

HV

Hybrid Vehicle Control ECU

Available

-

F-MGC

Inverter with Converter Assembly

Available

-

BRK

Brake Booster with Master Cylinder Assembly

Available

-

ENG

ECM

Available

-

CAN J/C NO. 2

No. 2 CAN Junction Connector

-

-

CAN J/C NO. 4

No. 4 CAN Junction Connector

-

-

Bus 3

AV

Radio and Display Receiver Assembly

Available

-

DCM

DCM (Telematics Transceiver)

Available

-

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

-

BRK

Brake Booster with Master Cylinder Assembly

Available

-

PKB

Brake Actuator Assembly

Available

-

EPS

Rack and Pinion Power Steering Gear Assembly

Available

-

ENG

ECM

Available

-

HV

Hybrid Vehicle Control ECU

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

-

-

J/C NO. 1

No. 1 Junction Connector

-

-

Bus 5

LITS

Headlight ECU Sub-assembly RH

Available

w/ Cornering Light

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

w/ Cornering Light

T&T

Multiplex Tilt and Telescopic ECU

Available

w/ Power Tilt and Power Telescopic System

MET

Combination Meter Assembly

Available

-

CAN J/C NO. 3

No. 3 CAN Junction Connector

-

-

CAN J/C NO. 6

No. 6 CAN Junction Connector

-

-

J/C NO. 2

No. 2 Junction Connector

-

-

J/C NO. 3

No. 3 Junction Connector

-

-

    System Description

    Terminals Of Ecu

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    DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly and information from the navigation antenna assembly, and then adjusts the vehicle position on the map. The navigation ECU stores this DTC when the difference between the speed information that the nav ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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