Lexus RX (RX 350L, RX450h) 2016-2024 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) 2016-2024 Repair Manual > Power Back Door System (w/ Outside Door Control Switch): PBD Touch Sensor RH Circuit (B222B)
DESCRIPTION This DTC is stored when the multiplex network door ECU detects a malfunction of the power back door sensor assembly RH touch sensor. DTC No. Detection Item DTC Detection Condition Trouble Area B222B PBD Touch Sensor RH Circuit Multiplex network door ECU detects power bac ...

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Display Malfunction (B15A6,B15B0)
DESCRIPTION These DTCs are stored when a malfunction occurs in the multi-display assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B15A6 Display Malfunction When any of the following conditions is met: RAM error Drawing controller malfunction Internal hard ...