Toyota Yaris: Can Communication System / System Diagram

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Power Source & Network / Networking / Can Communication System / System Diagram

SYSTEM DIAGRAM

(a) The CAN communication system is composed of 8 buses.

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/ Toyota Safety Sense

F-MR

Millimeter Wave Radar Sensor Assembly

Front Radar

w/ Toyota Safety Sense

CAN Global J/C NO. 7

No. 7 Global CAN Junction Connector

-

Installed on all vehicles

CAN Global J/C NO. 8

No. 8 Global CAN Junction Connector

-

Installed on all vehicles

ST

No. 1 CAN Junction Terminal

-

Installed on all vehicles

Bus 2

S&S

Engine Stop and Start ECU

Stop and Go/Start

Installed on all vehicles

ENG

ECM

ECM (Engine)

Installed on all vehicles

CAN Global J/C NO. 6

No. 6 Global CAN Junction Connector

-

Installed on all vehicles

Bus 3

HUD

Meter Mirror Sub-assembly

Head Up Display

w/ Headup Display

ANC

Stereo Component Equalizer Assembly

Active Noise Control

w/ Active Noise Control System

MET

Combination Meter Assembly

Combination Meter

Installed on all vehicles

CAN Global J/C NO. 4

No. 4 Global CAN Junction Connector

-

Installed on all vehicles

Bus 4

SRS

Airbag Sensor Assembly

Airbag

Installed on all vehicles

BRK

Brake Actuator Assembly

Skid Control (ABS/VSC/TRAC)

Installed on all vehicles

STR

Steering Sensor

Spiral cable (Steering Angle Sensor)

Installed on all vehicles

EPS

Power Steering ECU Assembly

Power Steering (EPS)

Installed on all vehicles

CAN Global J/C NO. 1

No. 1 Global CAN Junction Connector

-

Installed on all vehicles

CAN Global J/C NO. 2

No. 2 Global 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 Global J/C NO. 3

No. 3 Global CAN Junction Connector

-

Installed on all vehicles

Bus 6

AWD

4WD ECU Assembly

Four Wheel Drive Control

Installed on all vehicles

CAN Global J/C NO. 9

No. 9 Global CAN Junction Connector

-

Installed on all vehicles

Bus 7

YGW

Option Connector (Bus Buffer ECU)

Remote Engine Starter

Installed on all vehicles

Chassis Local Bus

S&S

Engine Stop and Start ECU

-

Installed on all vehicles

BRK

Brake Actuator Assembly

-

Installed on all vehicles

CAN Global J/C NO. 6

No. 6 Global CAN Junction Connector

-

Installed on all vehicles

    Parts Location

    PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA (w/ Toyota Safety Sense) *2 MILLIMETER WAVE RADAR SENSOR ASSEMBLY (w/ Toyota Safety Sense) *3 BRAKE ACTUATOR ASSEMBLY *4 ECM ILLUSTRATION *1 4WD ECU ASSEMBLY - - ILLUSTRATION *1 COMBINATION METER ASSEMBLY *2 METER MIRROR SUB-ASSEMBLY (w/ Headup Display) *3 CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) *4 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *5 AIR CONDITIONING AMPLIFIER ASSEMBLY *6 AIRBAG SENSOR ASSEMBLY *7 POWER STEERING ECU ASSEMBLY *8 CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) *9 STEERING SENSOR *10 ENGINE STOP AND START ECU *11 STEREO COMPONENT EQUALIZER ASSEMBLY (w/ Active Noise Control System) *12 POWER DISTRIBUTION BOX ASSEMBLY *13 DLC3 - - ILLUSTRATION *1 NO...

    System Description

    SYSTEM DESCRIPTION BRIEF DESCRIPTION (a) The Controller Area Network (CAN) is a serial data communication system for real time application. It is a vehicle multiplex communication system which has a high communication speed and the ability to detect malfunctions...

    Other information:

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: System Description


    SYSTEM DESCRIPTION LOAD OPERATION OUTPUT (a) Load is turned on or off according to the operation signals and switch signals from each ECU. Components Semiconductor Power Integration ECU Power Distribution Box Assembly Operation Signal Communication Support *1: w/ Front Seat Heater *2: Built into power distribution box assembly Headlight ECU Assembly ○ - Not supported Fog Light Assembly ○ - Supported Rear Window Defogger / Mirror Heater - ○ Supported Taillight - ○ Supported Rear Fog Light - ○ Supported Back-up Light - ○ Not supported Outer Rear View Mirror Assembly - ○ Supported Panel Illumination - ○ Supported Seat Heater LH*1 High/Low - ○ Not supported Seat Heater RH*1 High/Low - ○ Not supported Passenger Seat Buckle Switch Delegated Input - ○ - Occupant Detection Sensor Delegated Input - ○ - Rear Seat RH Buckle Switch Delegated Input - ○ - Rear Seat CTR Buckle Switch Delegated Input - ○ - Rear Seat LH Buckle Switch Delegated Input - ○ - IGR Relay*2 - ○ Not supported SEMICONDUCTOR FUSE FUNCTION (a) When a malfunction current occurs during load operation, the current is shut off before the electrical lines emit smoke, and then load is turned off...

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Reassembly


    REASSEMBLY PROCEDURE 1. INSTALL FUEL PUMP HINT: Perform "Inspection After Repair" after replacing the fuel pump. Click here (a) Install the fuel pump to the No. 1 cap. (b) Apply gasoline to a new O-ring. (c) Install the O-ring to the sub-assembly support...

    Categories

    Supplemental Restraint System (SRS) Precautions

    The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.

    The air bags are installed in the following locations:

    The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)

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