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Home >> Lexus >> 2007 >> IS 250 AWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Seat Belt >> SEAT BELT WARNING SYSTEM (w/ Occupant Classification System) >> System Diagram

System Diagram

Fig 1: Seat Belt Warning System - System Diagram
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Communication table: 

COMMUNICATION REFERENCE CHART

Sender Receiver Signal Line
Center airbag sensor Network gateway ECU
  • Front seat inner belt switch signal (for driver side)
  • Front seat inner belt switch signal (for passenger side)
  • Occupant detection signal
 CAN
Network gateway ECU Combination meter
  • Front seat inner belt switch signal (for driver side)
  • Front seat inner belt switch signal (for passenger side)
  • Occupant detection signal
 BEAN
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