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:

Radio Antenna Cord
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY (See page ) 2. REMOVE ANTENNA CORD SUB-ASSEMBLY (a) Disengage the 4 clamps to remove the antenna cord sub-assembly. Installation INSTALLATION PROCEDURE 1. INSTALL ANTENNA COR ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART If a DTC is displayed during the DTC check, check the circuit listed for the DTC in the table below (refer to the appropriate page). HINT: When the SRS warning light remains on and the normal system code is output, a decrease in the source voltage is li ...

Installation
INSTALLATION PROCEDURE 1. ADJUST COMPRESSOR OIL (a) for HFC-134a (R134a): (1) When replacing the compressor and magnetic clutch with new ones, after gradually discharging the refrigerant gas from the service valve, drain the following volume of oil from new compressor and magnetic clutch bef ...

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