Toyota Tundra Service Manual: System Diagram

SYSTEM DIAGRAM

1. SYSTEM DIAGRAM

(a) The CAN communication system is composed of 7 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)

-

-

V Bus

DLC3

DLC3

-

-

Bus 1

F-CAM

Forward Recognition Camera

Available

w/ Pre-collision System

F-MR

Millimeter Wave Radar Sensor Assembly

Available

w/ Pre-collision System

BSM

Blind Spot Monitor Sensor RH

Available

w/ Blind Spot Monitor System

CAN J/C NO. 1

No. 1 CAN Junction Connector

-

-

CAN J/C NO. 2

No. 2 CAN Junction Connector

-

-

CAN J/C NO. 7

No. 7 CAN Junction Connector

-

-

ST NO. 1

No. 1 CAN Junction Terminal

-

-

Bus 2

ENG

ECM

Available

-

Bus 3

AV

Radio and Display Receiver Assembly

Available

w/ Audio and Visual System

Navigation Receiver Assembly

Available

w/ Navigation System

CAN J/C NO. 5

No. 5 CAN Junction Connector

-

-

Bus 4

TBC

Brake Control with Bracket Relay

Available

w/ Trailer Brake Control System

AWD

4 Wheel Drive Control ECU (4WD Control ECU)

Available

for 4WD

BRK

Brake Actuator Assembly (Skid Control ECU)

Available

-

STR

Spiral with Sensor Cable Sub-assembly (Steering Angle Sensor)

-

-

TPMS

Tire Pressure Warning ECU and Receiver

Available

-

SRS

Airbag Sensor Assembly

-

-

CAN J/C NO. 3

No. 3 CAN Junction Connector

-

-

CAN J/C NO. 4

No. 4 CAN Junction Connector

-

-

CAN J/C NO. 6

No. 6 CAN Junction Connector

-

-

Bus 5

MB

Main Body ECU (Multiplex Network Body ECU)

Available

The main body ECU (multiplex network body ECU) functions as a gateway between the bus 5 and sub bus 1

A/C

Air Conditioning Amplifier Assembly

Available

-

MET

Combination Meter Assembly

Available

-

CAN J/C NO. 5

No. 5 CAN Junction Connector

-

-

Sub Bus 1

MB

Main Body ECU (Multiplex Network Body ECU)

Available

The main body ECU (multiplex network body ECU) functions as a gateway between the bus 5 and sub bus 1

DST

Front Power Seat Switch LH (Power Seat Control ECU)

-

w/ Seat Memory

DFL

Outer Mirror Control ECU Assembly LH

Available

w/ Seat Memory

DFR

Outer Mirror Control ECU Assembly RH

Available

w/ Seat Memory

T&T

Multiplex Tilt and Telescopic ECU

Available

w/ Seat Memory

CAN J/C NO. 3

No. 3 CAN Junction Connector

-

-

CAN J/C NO. 4

No. 4 CAN Junction Connector

-

-

CAN J/C NO. 8

No. 8 CAN Junction Connector

-

-

ST NO. 2

No. 2 CAN Junction Terminal

-

-

    System Description

    Terminals Of Ecu

    See More:

    Toyota Tundra Service Manual > Navigation System: Microphone Circuit between Microphone and Navigation Receiver Assembly
    DESCRIPTION This circuit sends a microphone signal from the telephone microphone assembly to the navigation receiver assembly. It also supplies power from the navigation receiver assembly to the telephone microphone assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIV ...

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