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:

Accumulator Low Pressure (C1452)
DESCRIPTION DTC Code DTC Detection Condition Trouble Area C1452 After braking, the fluid pressure inside the accumulator is below the threshold within 3.2 seconds. Hydraulic circuit Accumulator pressure sen ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK (a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block (See page ). (b) Disconnect the 1D driver side junction block connector. (c) Measure the voltag ...

Removal
REMOVAL PROCEDURE 1. REMOVE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY (See page ) 2. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY 3. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY (a) Disconnect the connector. (b) Disengage the 3 claws to remove the he ...

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