Lexus ES: 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 ECU assembly) | Yaw rate and acceleration request signal | CAN communication line |
| Yaw rate and acceleration sensor (airbag ECU assembly) | Skid control ECU (brake actuator assembly) | Yaw rate and acceleration signal | CAN communication line |
| Skid control ECU (brake actuator assembly) | ECM |
| CAN communication line |
| ECM | Skid control ECU (brake actuator assembly) |
| CAN communication line |
| Skid control ECU (brake actuator assembly) | Power steering ECU (rack and pinion power steering gear assembly) |
| CAN communication line |
| Main body ECU (multiplex network body ECU) | Skid control ECU (brake actuator assembly) |
| CAN communication line |
| Skid control ECU (brake actuator assembly) | Combination meter assembly |
| CAN communication line |
| Airbag ECU assembly | Skid control ECU (brake actuator assembly) | Secondary collision brake request signal | CAN communication line |
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System Diagram
SYSTEM DIAGRAM Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Skid control ECU (brake actuator assembly) Steering angle sensor Steering angle sensor re
Terminals Of Ecu
TERMINALS OF ECU TERMINALS OF ECU *a Component without harness connected (Skid Control ECU (Brake Actuator Assembly)) - - HINT:
As a waterproof connector is used for the brake actuator
Test Mode Procedure
TEST MODE PROCEDURE NOTICE:
After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.
Aft
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System Diagram
SYSTEM DIAGRAM (a) The CAN communication system is composed of 5 buses. CAN Main Bus Line Terminating Resistor CAN Branch Line * Gateway Function Equipped ECU Bus Monitoring Direction - - Connected to Code ECU/Sensor Name CAN DTC Storage Note - C
Receiver Error (C2176)
DESCRIPTION Tire pressure warning valve and transmitter signals are transmitted to the tire pressure warning ECU and receiver in the vehicle as radio waves. DTC No. Detection Item DTC Detection Condition Trouble Area Note C2176 Receiver Error Malfunction in the tire pressure warni
