Toyota Tundra Service Manual: System Description

SYSTEM DESCRIPTION

1. LIN COMMUNICATION SYSTEM DESCRIPTION

  • The LIN communication system is used for communication between the components below.
  • The LIN communication system has a component as a control master.

(a) Window and Sliding Roof Components that Use LIN Communication Bus (for CrewMax)

(1) Main Body ECU (Multiplex Network Body ECU)*1

(2) Power Window Regulator Master Switch Assembly*2

(3) Front Power Window Regulator Motor Assembly LH*2

(4) Front Power Window Regulator Motor Assembly RH*2

(5) Sliding Roof Drive Gear Sub-assembly (Sliding Roof ECU)*3

HINT:

  • *1: Control master
  • *2: for Power Window Control System (w/ Jam Protection Function)
  • *3: w/ Sliding Roof System

(b) Heater Components that Use LIN Communication

(1) Air Conditioning Amplifier Assembly*

HINT:

*: Control master

(2) Integration Air Conditioning Control Assembly

2. LIN COMMUNICATION SYSTEM DTCs

The control master component shown below outputs LIN communication system DTCs when there is a malfunction in the LIN communication. If a LIN communication stops, the control master of that part of the LIN communication system outputs DTCs.

(a) Main Body ECU (Multiplex Network Body ECU)

    Problem Symptoms Table

    System Diagram

    See More:

    Toyota Tundra Service Manual > Main Body Ecu: Installation
    INSTALLATION CAUTION / NOTICE / HINT NOTICE: The main body ECU (multiplex network body ECU) is not reusable. Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin. PROCEDURE 1. INSTALL MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) NOTICE: Make sure that the connecti ...

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