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Home >> Lexus >> 2010 >> LS 460L AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Pre-Collision (Diagnostics - Introduction)) >> Pre-Collision System >> System Diagram >> System Diagram
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System Diagram

WARNING: This page is about a different car, the 2010 Lexus GS 450h. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Main Body ECU - Wiring Diagram (1 Of 2)
GTY275491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Main Body ECU - Wiring Diagram (2 Of 2)
GTY263695Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
COMMUNICATION TABLE:

Sender ECU Receiver Signal Line
Distance control ECU Seat belt control ECU
  • Relative vehicle speed signal
  • Vehicle-to-vehicle distance signal
  • Seat belt operation signal
 CAN
Skid control ECU
  • Vehicle speed signal
  • Seat belt operation signal
  • VSC control signal
  • Stop light ON/OFF signal
Center airbag sensor
  • Buckle switch malfunction signal
  • Driver seat belt buckle switch signal
  • Passenger seat belt buckle switch signal
 BEAN - CAN
Seat belt control ECU Combination meter
  • Pre-collision system malfunction signal
Distance control ECU Skid control ECU
  • Brake assist standby signal
  • Brake warning buzzer request signal
 CAN
Distance control ECU Absorber control ECU Absorber control signal CAN
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