Toyota CH-R Service Manual: System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU

(Transmitter)

Receiving ECU

Signal

Communication Method

Airbag Sensor Assembly

Occupant Detection ECU

  • Crash detection signal
  • Acceleration signal
  • Sensor power supply signal
  • Sensor failure signal
  • Sensor Type signal

CAN

Skid Control ECU (Brake Actuator Assembly)

Occupant Detection ECU

  • Vehicle speed signal
  • G sensor signal
  • G sensor zero point error signal

Occupant Detection ECU

Airbag Sensor Assembly

  • Occupant classification system failure signal
  • Occupant classification system zero point error signal
  • Occupant state for passenger signal
  • Buckle switch state of passenger signal
    Precaution
    PRECAUTION GENERAL PRECAUTION (a) The following conditions may be interpreted as a malfunction even though they are normal operation: An object is placed on the passenger seat and the syst ...

    How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the occupant classification system. *: Use the Techstream. PROCEDURE 1. VEHIC ...

    Other materials:

    Toyota CH-R Service Manual > Airbag System: System Description
    SYSTEM DESCRIPTION GENERAL (a) Acceleration sensors and pressure sensors used for the airbag system are installed to various parts on the vehicle and calculate the acceleration rate and pressure of each part during a collision. (b) Depending on the situation, the airbag sensor assembly sends ...

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