Toyota Avalon Service & Repair Manual: System Diagram

SYSTEM DIAGRAM

Transmitting ECU (Transmitter)

Receiving ECU

Signal

Communication Method

Skid control ECU (brake actuator assembly)

Steering angle sensor

Steering angle sensor request signal

CAN communication line

Steering angle sensor

Skid control ECU (brake actuator assembly)

Steering angle sensor signal

CAN communication line

Skid control ECU (brake actuator 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 actuator assembly)

Yaw rate and acceleration signal

CAN communication line

Skid control ECU (brake actuator assembly)

ECM

  • Wheel speed signal
  • VSC data signal

CAN communication line

ECM

Skid control ECU (brake actuator assembly)

  • Shift position signal
  • Throttle position signal
  • Engine speed signal

CAN communication line

Skid control ECU (brake actuator assembly)

Power steering ECU (rack and pinion power steering gear assembly)

  • Wheel speed signal
  • VSC data signal

CAN communication line

Main body ECU (multiplex network body ECU)

Skid control ECU (brake actuator assembly)

  • Driver seat belt buckle switch signal
  • Driver side courtesy switch signal

CAN communication line

Skid control ECU (brake actuator assembly)

Combination meter assembly

  • ABS warning light signal
  • Brake system warning light (red indicator) signal
  • VSC OFF indicator light signal
  • Multi-information display (Traction Control Turned Off) signal
  • Multi-information display (Secondary Collision Brake System Malfunction) signal
  • Multi-information display (Brake hold system malfunction) signal
  • Slip indicator light signal
  • Vehicle speed signal
  • Brake hold standby indicator light signal
  • Brake hold operated indicator light signal

CAN communication line

Airbag sensor assembly

Skid control ECU (brake actuator assembly)

Secondary collision brake request signal

CAN communication line

    Slip Indicator Light Remains ON

    Terminals Of Ecu

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