Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU

Receiving ECU

Signal

Communication Method

Multiplex Network Master Switch Assembly

Power Window Regulator Motor Assembly (for Driver Door)

Power window auto up and down signal

LIN

  • Power Window Regulator Motor Assembly (for Front Passenger Door)
  • Power Window Regulator Motor Assembly (for Rear LH Door)
  • Power Window Regulator Motor Assembly (for Rear RH Door)

Power window remote up and down signal

LIN

Main Body ECU (Multiplex Network Body ECU)

  • Power Window Regulator Motor Assembly (for Driver Door)
  • Power Window Regulator Motor Assembly (for Front Passenger Door)
  • Power Window Regulator Motor Assembly (for Rear LH Door)
  • Power Window Regulator Motor Assembly (for Rear RH Door)

Power window operation permission signal

LIN

Certification ECU (Smart Key ECU Assembly)

Main Body ECU (Multiplex Network Body ECU)

Wireless power window operation signal

CAN

Main Body ECU (Multiplex Network Body ECU)

Combination Meter Assembly

Window open warning request signal

CAN

    Parts Location
    PARTS LOCATION ILLUSTRATION *1 DLC3 *2 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *3 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-B NO. 2 FUSE - DOOR F/L FUSE - DOOR F/R FUSE - DOOR ...

    System Description
    SYSTEM DESCRIPTION POWER WINDOW CONTROL SYSTEM DESCRIPTION (a) The power window control system controls the power window operation using the power window regulator motor assemblies. The main controls ...

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    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Blind Spot Monitor System: Short to GND in Outer Mirror Indicator(Slave) (C1AB3)
    DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects a short to ground in the outer rear view mirror indicator RH. DTC No. Detection Item DTC Detection Condition Trouble Area C1AB3 Short to GND in Outer Mirror Indicator(Slave) Both of the following condition ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Dynamic Torque Control Awd System: Lost Communication with ECM / PCM "A" (U0100,U0126,U0129)
    DESCRIPTION The 4WD ECU assembly receives signals from the ECM, skid control ECU (brake actuator assembly) and steering sensor via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor ...

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

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

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