Supplemental Restraint Systems

System Diagram

~1min read
SYSTEM DIAGRAM

Transmitting ECU

(Transmitter)

Receiving ECU

Signal

Communication Method

Center Airbag Sensor Assembly

ECM

Crash detection signal

CAN

Combination Meter Assembly

  • SRS warning light ON demand signal
  • SRS warning light blink demand signal
  • Passenger seat occupant detection signal
  • Passenger seat buckle switch signal
  • Diagnosis signal (DTC)

Main Body ECU

Driver seat buckle switch signal

ECM

Center Airbag Sensor Assembly

  • Engine speed signal
  • Accelerator opening angle information
  • Accelerator opening angle signal
  • Shift position signal
  • Test mode signal
  • Stop signal

Combination Meter Assembly

Vehicle speed signal

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