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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different car >> Section 315 (Occupant Classification System (TMMMS) - Diagnostics - Introduction) >> OCCUPANT CLASSIFICATION SYSTEM (for TMMMS Made) >> System Diagram [09/2022 - 11/2022] >> System Diagram [09/2022 - 11/2022]

System Diagram [09/2022 - 11/2022]

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COMMUNICATION TABLE

Transmitting ECU
(Transmitter)		 Receiving ECU Signal Communication Method
Airbag Sensor Assembly Occupant Detection ECU
  • Crash detection signal
  • Acceleration signal
 CAN
Skid Control ECU (Brake Actuator Assembly) Occupant Detection ECU
  1. Vehicle speed signal
Occupant Detection ECU Airbag Sensor Assembly
  • Occupant classification system failure signal
  • Occupant classification system zero point error signal
  • Occupant state for front passenger signal
  • Buckle switch state of front passenger signal
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