Lexus RX (RX 350L, RX450h) 2016-2026 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 system

Steering angle sensor

Skid control ECU (Brake actuator assembly)

Steering angle sensor signal

CAN communication system

Skid control ECU (Brake actuator assembly)

  • Yaw rate and acceleration sensor (Airbag sensor assembly)*1
  • Yaw rate and acceleration sensor*2

Yaw rate and acceleration request signal

CAN communication system

  • Yaw rate and acceleration sensor (Airbag sensor assembly)*1
  • Yaw rate and acceleration sensor*2

Skid control ECU (Brake actuator assembly)

Yaw rate and acceleration signal

CAN communication system

Skid control ECU (Brake actuator assembly)

ECM

  • Vehicle speed signal
  • VSC data signal

CAN communication system

ECM

Skid control ECU (Brake actuator assembly)

  • Shift position signal
  • Throttle position signal
  • Engine speed signal
  • SFI system data signal

CAN communication system

Skid control ECU (brake actuator assembly)

Power steering ECU assembly

  • Vehicle speed signal
  • VSC data signal

CAN communication system

Power steering ECU assembly

Skid control ECU (Brake actuator assembly)

Power steering system data signal

CAN communication system

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 system

Skid control ECU (Brake actuator assembly)

Combination meter assembly

  • ABS warning light signal
  • Brake warning light signal
  • Slip indicator light signal
  • VSC OFF indicator light signal
  • Multi-information display (TRAC OFF message) signal
  • Brake hold standby indicator light signal
  • Brake hold operated indicator light signal
  • Multi-information display (Secondary Collision Brake System Malfunction) signal
  • Multi-information display (Brake hold system malfunction) signal
  • Vehicle speed signal

CAN communication system

Airbag sensor assembly

Skid control ECU (Brake actuator assembly)

Secondary collision brake request signal

CAN communication system

*1: for Optitron Meter Type

*2: for TFT Meter Type

    Parts Location
    PARTS LOCATION ILLUSTRATION *A w/o AVS *B for 2WD *C for AWD - - *1 FRONT SPEED SENSOR RH *2 FRONT SPEED SENSOR LH *3 FRONT AXLE HUB SUB-ASSEMBLY RH - FRONT SPEED S ...

    How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview the customer and confir ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Fuel Pump (for Tmmc Made): Installation
    INSTALLATION PROCEDURE 1. INSTALL FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY (a) Install a new fuel suction tube set gasket to the fuel tank assembly. (b) Set the fuel suction tube with pump and gauge assembly to the fuel tank assembly. NOTICE: Be careful not to bend the arm of the fuel sende ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Meter / Gauge System: Terminals Of Ecu
    TERMINALS OF ECU COMBINATION METER ASSEMBLY (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition J10-2 (MSM+) - Body ground Y - Body ground Steering pad switch si ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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