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Home >> Toyota >> 2012 >> Prius Two >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Supplemental Restraint System (Except Plug-In) (Diagnostics - Introduction) >> Airbag System >> System Diagram >> System Diagram
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System Diagram

Fig 1: Airbag System Diagram (1 Of 2)
GTY231250Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Airbag System Diagram (2 Of 2)
GTY211946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Transmitting ECU
(Transmitter)		 Receiving ECU Signal Communication Method
Center Airbag Sensor Assembly Power Management Control ECU
  • Crash detection signal
 CAN
Center Airbag Sensor Assembly Seat Belt Control ECU
  • Driver seat buckle switch signal
  • Passenger seat buckle switch signal
 CAN
Center Airbag Sensor Assembly Main Body ECU Driver seat buckle switch signal CAN
Center Airbag Sensor Assembly Combination Meter Assembly
  • SRS warning light ON demand signal
  • Driver seat buckle switch signal
  • Passenger seat buckle switch signal
  • Passenger seat occupant detection signal
  • Diagnosis signal (DTC)
 CAN
Combination Meter Assembly Center Airbag Sensor Assembly Vehicle speed signal CAN
Power Management Control ECU Center Airbag Sensor Assembly
  • Engine speed signal
  • Accelerator opening angle information
  • Accelerator opening angle signal
  • Shift position signal
  • Test mode signal
  • Stop signal
 CAN
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