Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: System Diagram

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Vehicle Interior / Seat / Front Power Seat Control System (w/ Memory) / System Diagram

SYSTEM DIAGRAM

Communication Table

Sender

Receiver

Signal

Line

ECM

Main Body ECU (Multiplex Network Body ECU)
  • Transmission information
  • Shift position P signal

CAN

Outer Mirror Control ECU Assembly (Driver Door)

Main Body ECU (Multiplex Network Body ECU)
  • M1 switch signal
  • M2 switch signal
  • M3 switch signal
  • SET switch signal

CAN

Main Body ECU (Multiplex Network Body ECU)

Position Control ECU and Switch Assembly LH
  • Shift position P signal
  • Vehicle speed signal
  • Transmission information
  • Driving position buzzer request
  • Driver seat position request
  • Driver seat position data

CAN

Certification ECU (Smart Key ECU Assembly)

Main Body ECU (Multiplex Network Body ECU)
  • Engine switch signal
  • Memory call replay request
  • Key identification No. 1 to No. 7 acquisition condition

CAN

Position Control ECU and Switch Assembly LH

Main Body ECU (Multiplex Network Body ECU)
  • State signal of driver seat
  • State signal of driving position buzzer

CAN

Multiplex Network Master Switch Assembly

Main Body ECU (Multiplex Network Body ECU)

Door control switch signal

LIN
    System Description
    SYSTEM DESCRIPTION FRONT POWER SEAT CONTROL SYSTEM DESCRIPTION The driver seat is equipped with slide, reclining, lifter, front vertical, lumbar support adjustment and cushion length* functions. ...

    How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the front power seat control system (w/ Memory). *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vacuum Switching Valve (for Acis): Inspection
    INSPECTION PROCEDURE 1. INSPECT NO. 1 VACUUM SWITCHING VALVE ASSEMBLY (for ACIS) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 - 2 20°C (68°F) 37 to 44 Ω 1 - No. 1 vacuum switc ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Blind Spot Monitor System: Open in Outer Mirror Indicator(Master) (C1AB4)
    DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects an open in the outer rear view mirror indicator LH. DTC No. Detection Item DTC Detection Condition Trouble Area C1AB4 Open in Outer Mirror Indicator(Master) Both of the following conditions are met: The ...

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

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

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