Toyota Yaris: Lin Communication System / System Description

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Power Source & Network / Networking / Lin Communication System / 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)

Front Power Window Regulator Motor Assembly (Driver Door)

-

-

Front Power Window Regulator Motor Assembly (Front Passenger Door)

-

-

Multiplex Network Master Switch Assembly

-

-

Certification Bus Lines

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

    S..

    How To Proceed With Troubleshooting

    CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the LIN communication system. *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2...

    Other information:

    Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Knock Sensor 1 Bank 1 or Single Sensor Circuit Short to Battery or Open (P032515)


    DESCRIPTION Refer to DTC P032511. Click here HINT: When DTC P032515 is stored, the ECM enters fail-safe mode. During fail-safe mode, the ignition timing is delayed to its maximum retardation. Fail-safe mode continues until the ignition switch is turned off...

    Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Precaution


    PRECAUTION PRECAUTIONS WHEN INSPECTING STOP AND START SYSTEM NOTICE: When the audio and visual system volume is high, a fail-safe function may operate in order to maintain the operation of stop and start control. The fail-safe function is canceled when the ignition switch is turned off...

    Categories

    Liftgate/Trunk Lid

    WARNING

    Never allow a person to ride in the luggage compartment/trunk

    Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.

    Do not drive with the liftgate/trunk lid open

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