Toyota CH-R Service Manual: System Description

SYSTEM DESCRIPTION

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 such as when there is an open or short in a communication line, 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 operates in the event of a malfunction to protect the system and allow communication between other components to continue.
  • In the following table, "○" 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)

Power Window Regulator Motor Assembly (for Driver Door)

-

-

Power Window Regulator Motor Assembly (for Front Passenger Door)

-

-

Power Window Regulator Motor Assembly (for Rear LH Door)

-

-

Power Window Regulator Motor Assembly (for Rear RH Door)

-

-

Multiplex Network Master Switch Assembly

-

-

Double Lock Door Control Relay Assembly*1

-

-

  • *1: w/ Double Locking System
Certification Bus Lines (w/ Smart Key System)

Component

Master Control

LIN Communication DTC Output Function

Certification ECU (Smart Key ECU Assembly)

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

-

-

ID Code Box (Immobiliser Code ECU)

-

-

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

    How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the LIN communication system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROU ...

    Other materials:

    Toyota CH-R Service Manual > Front Door: Adjustment
    ADJUSTMENT CAUTION / NOTICE / HINT *a Centering Bolt *b Standard Bolt HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. Centering bolts are used to install the door hi ...

    Toyota CH-R Service Manual > Rear Door Lock: Installation
    INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL NO. 1 REAR DOOR LOCK REMOTE CONTROL CABLE ASSEMBLY (a) Engage the guide to install the No. 1 rear door lo ...

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