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System Diagram [08/2013 - ]

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Electronically Controlled Brake System Circuit Diagram (1 Of 7)
GTY401953Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Electronically Controlled Brake System Circuit Diagram (2 Of 7)
GTY397414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Electronically Controlled Brake System Circuit Diagram (3 Of 7)
GTY398466Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Electronically Controlled Brake System Circuit Diagram (4 Of 7)
GTY406103Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 5: Electronically Controlled Brake System Circuit Diagram (5 Of 7)
GTY399961Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 6: Electronically Controlled Brake System Circuit Diagram (6 Of 7)
GTY395617Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 7: Electronically Controlled Brake System Circuit Diagram (7 Of 7)
GTY411331Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method
Skid control ECU (Brake booster with master cylinder assembly) Power steering ECU assembly
  • Target steering angle signal
  • Target relative angle signal
 CAN communication line
Power steering ECU assembly Skid control ECU (Brake booster with master cylinder assembly) Sensor check (TS terminal) signal CAN communication line
Main body ECU (Multiplex network body ECU) Skid control ECU (Brake booster with master cylinder assembly) Parking brake switch assembly signal CAN communication line
Skid control ECU (Brake booster with master cylinder assembly) Power management control ECU
  • Wheel speed signal
  • VSC data signal
 CAN communication line
Power management control ECU Skid control ECU (Brake booster with master cylinder assembly)
  • Shift lever position signal
  • Driving torque request signal
  • Accelerator pedal position signal
 CAN communication line
Skid control ECU (Brake booster with master cylinder assembly) Steering angle sensor Steering angle sensor request signal CAN communication line
Steering angle sensor Skid control ECU (Brake booster with master cylinder assembly) Steering angle sensor signal CAN communication line
Skid control ECU (Brake booster with master cylinder assembly) Yaw rate and acceleration sensor (Airbag sensor assembly) Yaw rate and acceleration request signal CAN communication line
Yaw rate and acceleration sensor (Airbag sensor assembly) Skid control ECU (Brake booster with master cylinder assembly) Yaw rate and acceleration signal CAN communication line
Skid control ECU (Brake booster with master cylinder assembly) Combination meter assembly
  • ABS warning light signal
  • Brake warning light / red (malfunction) signal
  • Brake warning light / yellow (minor malfunction) signal
  • VSC OFF indicator light signal
  • Slip indicator light signal
  • Multi-information display (TR(A)C OFF indicator light) signal
  • Meter buzzer signal
 CAN communication line
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