Toyota CH-R Service Manual: System Diagram

SYSTEM DIAGRAM

Power Door Lock Control System

Communication Table

Sender

Receiver

Signal

Line

Multiplex Network Master Switch Assembly

Main Body ECU (Multiplex Network Body ECU)

Door control switch signal

LIN

Certification ECU (Smart Key ECU Assembly)*1

Main Body ECU (Multiplex Network Body ECU)

Back door opener switch signal

CAN

Airbag ECU assembly*2

Main Body ECU (Multiplex Network Body ECU)

Front seat inner belt assembly LH buckle switch

CAN

  • *1: w/ Smart Key System
  • *2: w/ Toyota Safety Sense P

Double Locking System (w/o Toyota Safety Sense P)

Communication Table

Sender

Receiver

Signal

Line

Double Lock Door Control Relay Assembly

Main Body ECU (Multiplex Network Body ECU)

Double lock position switch signal

LIN

Main Body ECU (Multiplex Network Body ECU)

Double Lock Door Control Relay Assembly

Double lock set/unset request Signal

LIN

    System Description
    SYSTEM DESCRIPTION POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION (a) The power door lock system locks/unlocks all doors. The main body ECU (multiplex network body ECU) receives lock/unlock request sig ...

    How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the power door lock control system. *: Use the Techstream. PROCEDURE 1. VEHIC ...

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