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Home >> Toyota >> 2013 >> Prius Four >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 69 (Supplemental Restraint System (Diagnostics - Introduction) (Plug-In)) >> Airbag System >> System Diagram >> System Diagram
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System Diagram

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Airbag System Diagram (1 Of 2)
GTY337738Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Identifying Airbag System Diagram (2 Of 2)
GTY343082Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
COMMUNICATION TABLE

Transmitting ECU
(Transmitter)
Receiving ECU Signal Communication Method
Airbag ECU Assembly Power Management Control ECU
  • Crash detection signal
CAN
Main Body ECU (Multiplex Network Body ECU) Driver seat buckle switch signal
Combination Meter Assembly
  • SRS warning light ON demand signal
  • Passenger seat buckle switch signal
  • Passenger seat occupant detection signal
  • Diagnosis signal (DTC)
Seat Belt Control ECU*
  • Driver seat buckle switch signal
  • Passenger seat buckle switch signal
Combination Meter Assembly Airbag ECU Assembly Vehicle speed signal
Power Management Control ECU
  • Engine speed signal
  • Accelerator opening angle information
  • Accelerator opening angle signal
  • Shift position signal
  • Test mode signal
  • Stop signal