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Home >> Lexus >> 2019 >> RC F >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Lane Departure Alert System - Diagnostics - Introduction) >> Lane Departure Alert System >> System Diagram [09/2014 - 11/2017] >> System Diagram [09/2014 - 11/2017]
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System Diagram [09/2014 - 11/2017]

WARNING: This page is about a different car, the 2017 Lexus RC F, 2016 Lexus RC F, and 2015 Lexus RC F. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Lane Departure Alert System Diagram (1 Of 2)
GTY520912Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Lane Departure Alert System Diagram (2 Of 2)
GTY499710Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
COMMUNICATION TABLE (W/ DYNAMIC RADAR CRUISE CONTROL SYSTEM)

Sender ECU Receiver ECU Signal Line
Lane Departure Warning Camera Combination Meter Assembly
  • Lane departure alert indicator operation signal
  • Lane marker signal
  • Lane departure warning camera malfunction signal
  • Multi-information display signal
  • Buzzer request signal
 CAN
ECM Lane Departure Warning Camera Shift position R signal CAN
Driving Support ECU Assembly Lane Departure Warning Camera Lane departure alert main switch operation signal CAN
Brake Actuator Assembly (Skid Control ECU) Lane Departure Warning Camera
  • Wheel speed signal
  • Wheel speed sensor malfunction signal
  • Wheel speed sensor voltage signal
  • Yaw rate sensor zero point signal
  • Yaw rate sensor zero point error signal
 CAN
Combination Meter Assembly Lane Departure Warning Camera
  • Turn signal light switch signal
  • Vehicle speed tolerance signal
 CAN
Yaw Rate Sensor Lane Departure Warning Camera
  • Yaw rate sensor signal
  • Yaw rate sensor voltage signal
  • Yaw rate sensor malfunction signal
 CAN
Main Body ECU (Multiplex Network Body ECU) Lane Departure Warning Camera
  • Country specification information signal
  • Steering wheel information signal
 CAN
COMMUNICATION TABLE (W/O DYNAMIC RADAR CRUISE CONTROL SYSTEM)

Sender ECU Receiver ECU Signal Line
Lane Departure Warning Camera Combination Meter Assembly
  • Lane departure alert indicator operation signal
  • Lane marker signal
  • Lane departure warning camera malfunction signal
  • Multi-information display signal
  • Buzzer request signal
 CAN
ECM Lane Departure Warning Camera Shift position R signal CAN
Brake Actuator Assembly (Skid Control ECU) Lane Departure Warning Camera
  • Wheel speed signal
  • Wheel speed sensor malfunction signal
  • Wheel speed sensor voltage signal
  • Yaw rate sensor zero point signal
  • Yaw rate sensor zero point error signal
 CAN
Combination Meter Assembly Lane Departure Warning Camera
  • Turn signal light switch signal
  • Vehicle speed tolerance signal
 CAN
Yaw Rate Sensor Lane Departure Warning Camera
  • Yaw rate sensor signal
  • Yaw rate sensor voltage signal
  • Yaw rate sensor malfunction signal
 CAN
Main Body ECU (Multiplex Network Body ECU) Lane Departure Warning Camera
  • Country specification information signal
  • Steering wheel information signal
 CAN
Steering Pad Switch Assembly Lane Departure Warning Camera Lane departure alert main switch operation signal Direct Line
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