Toyota Tacoma manuals

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

SYSTEM DESCRIPTION

1. LIN COMMUNICATION SYSTEM DESCRIPTION

The LIN communication system is used for communication between the components in the tables below. If communication cannot be performed through LIN communication because of an open in the communication lines or other reasons, the master control ECU of the relevant system will store a DTC. Refer to the table below about the communication bus lines and connected components.

HINT:

  • Each component has a fail-safe function which activates to maintain the minimum performance of the system and protect the system.
  • In the following table, "â—‹" indicates that the function applies, and "-" indicates that it does not.
Door Bus Lines

Component

Master Control

LIN Communication DTC Output Function

Main Body ECU (Multiplex Network Body ECU)

â—‹

â—‹

Front Power Window Regulator Motor Assembly LH*1

-

-

Front Power Window Regulator Motor Assembly RH*1

-

-

Power Window Regulator Master Switch Assembly*1

-

-

Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly)*2

-

-

  • *1: w/ Jam Protection Function
  • *2: w/ Sliding Roof
Certification Bus Lines (w/ Smart Key System)

Component

Master Control

LIN Communication DTC Output Function

Certification ECU (Smart Key ECU Assembly)

â—‹

â—‹

Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly)

-

-

Parts Location
PARTS LOCATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

System Diagram
SYSTEM DIAGRAM 1. DOOR BUS LINES 2. CERTIFICATION BUS LINES (w/ Smart Key System) ...

Other materials:

Vacuum Warning Switch
Components COMPONENTS ILLUSTRATION On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR 2. INSPECT BRAKE BOOSTER ASSEMBLY 3. INSPECT VACUUM WARNING SWITCH ASSEMBLY (a) Start the engine and stop it after 1 or 2 minutes. (b) Disconnect the ...

Open or Short in Rear Speed Sensor RH Circuit (C1407,C1408)
DESCRIPTION Refer to DTCs C1403 and C1404 (See page ). DTC No. Detection Item DTC Detection Condition Trouble Area C1407 Open or Short in Rear Speed Sensor RH Circuit Either of the following is detected: ...

Terminals Of Ecm
TERMINALS OF ECM 1. ECM HINT: The standard voltage between each pair of ECM terminals is shown in the table below. In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to be inspected. The standard voltage b ...

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