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

NOTICE:

• The power window control system uses the LIN communication system and CAN communication system. Inspect the communication functions by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.

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• The power window control system prohibits the auto up and down functions if the jam protection function or catch protection function malfunctions.
• If a power window regulator motor assembly has been replaced with a new one, initialize a power window control system.

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• If a power window regulator motor assembly and door window regulator sub-assembly have been removed and installed, or if a power window regulator motor assembly was reused when a door glass or door glass run was replaced, initialize the power window control system.

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• The jam protection function or catch protection function may operate unexpectedly, even when the power window control system is normal, due to detection of a value different than the operation learned value when the door glass moving speed changes sharply under any of the following conditions:
  1. A power window is being opened or closed while the vehicle is driven on a rough road.
  2. A power window is being opened or closed while the door is being opened or closed.
  3. The voltage changes abruptly.
• Do not disconnect the battery while the engine switch is on (IG). Otherwise, DTC B2313 will be stored.

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Power Window Control System

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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 ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Intuitive Parking Assist System (w/ Intelligent Clearance Sonar System): Front Left Center Sensor (C1AE2)
DESCRIPTION The front center ultrasonic sensor LH is installed to the front bumper. The clearance warning ECU assembly detects obstacles based on signals received from the front center ultrasonic sensor LH. If the front center ultrasonic sensor LH has an open circuit or other malfunction, it will no ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Ultrasonic Sensor (for Rear): Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during ultrasonic sensor removal/installation are shown below. Necessary Procedures After Parts Removed/Instal ...