Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: System Diagram

SYSTEM DIAGRAM

1. OVERALL CAN BUS DIAGRAM

(a) The CAN communication system is composed of 4 buses.

CAN Main Bus Line

Terminating Resistor

CAN Branch Line

*

Gateway Function Equipped ECU

Bus Monitoring Direction

-

-

Bus

Code

ECU/Sensor Name

CAN DTC Storage

Note

-

CGW

Central Gateway ECU (Network Gateway ECU)

-

-

V Bus

DLC3

DLC3

-

-

Bus 2

ENG

ECM

Available

-

MET

Combination Meter Assembly

Available

-

A/C

Air Conditioning Amplifier Assembly

Available

-

SMT

Certification ECU (Smart Key ECU Assembly)

Available

  • w/ Smart Key System
  • The certification ECU (smart key ECU assembly) is also connected to the LIN communication system.

MB

Main Body ECU (Multiplex Network Body ECU)

Available

The main body ECU (multiplex network body ECU) is also connected to the LIN communication system.

AWD

4 Wheel Drive Control ECU

Available

for 4WD

BRK

Brake Booster Assembly (Skid Control ECU)

Available

for Hydraulic Brake Booster

Brake Actuator Assembly (Skid Control ECU)

Available

for Vacuum Brake Booster

TPMS

Door Control and Tire Pressure Monitoring System Receiver Assembly

Available

w/ Tire Pressure Warning System and Tire Inflation Pressure Display Function

SRS

Airbag Sensor Assembly

-

-

STR

Spiral Cable with Sensor Sub-assembly

-

-

CAN J/C NO. 1

No. 1 CAN Junction Connector

-

-

CAN J/C NO. 2

No. 2 CAN Junction Connector

-

-

Bus 3

AV

Navigation Receiver Assembly

Available

for Navigation Receiver Type

Radio and Display Receiver Assembly

Available

for Radio and Display Type

CAN J/C NO. 6

No. 6 CAN Junction Connector

-

-

Bus 5

CS

Clearance Warning ECU Assembly

Available

w/ Intuitive Parking Assist System

F-CAM

Forward Recognition Camera

Available

w/ Toyota Safety Sense P

F-MR

Millimeter Wave Radar Sensor Assembly

-

w/ Toyota Safety Sense P

BSM

Blind Spot Monitor Sensor LH

Available

w/ Blind Spot Monitor System

CAN J/C NO. 4

No. 4 CAN Junction Connector

-

-

CAN J/C NO. 5

No. 5 CAN Junction Connector

-

-

CAN J/C NO. 6

No. 6 CAN Junction Connector

-

-

Precaution
PRECAUTION 1. EXPRESSIONS OF IGNITION SWITCH HINT: The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are lis ...

Other materials:

System Description
SYSTEM DESCRIPTION 1. DESCRIPTION The differential system (w/ Differential Lock) directly connects the rear left and right wheels so that even if one wheel slips while driving where drive torque transmission is difficult (such as on sand), the drive torque of the other wheel is ...

Pressure Control Solenoid "C" Circuit Open (P079513)
DESCRIPTION Changing from 1st to 6th is performed by the ECM turning shift solenoid valves SL1, SL2, SL3 and SL4 on and off. If an open or short circuit occurs in any of the shift solenoid valves, the ECM controls the remaining normal shift solenoid valves to allow the vehicle to be operated ...

Brake Signal Malfunction (B2284)
DESCRIPTION This DTC is stored when the brake signal sent via direct line and the brake signal sent via CAN communication do not match. HINT: When the cable is disconnected and reconnected to the negative (-) battery terminal, the power source mode returns to the state it was in before the ca ...

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