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

• The fold seat control ECU has been replaced with a new one.
• Initialization Cancel (Initial Position Reset) has been performed.
• The cable was disconnected from the negative (-) battery terminal when a rear power seat was being operated.

HINT:

• Initialization can only be performed using the rear power seat switch of the rear power seat to be initialized. If the fold seat switch assembly is operated before initialization has been completed, a buzzer will sound continuously.
• If initialization has not been completed, the rear power seat can only be reclined using the rear power seat switch.
• The rear power seat switch is a collective term for the rear power seat switch RH and the rear power seat switch LH.

• The fold seat control ECU has been replaced with a used one.
• The rear seatback has been moved with the fold seat control ECU removed.
• The position of the rear seatback is abnormal due to the seat being disassembled or parts of the seat being replaced.

• Initialization has been completed.
• The rear power seat switch and fold seat switch assembly are not being operated.
• The vehicle is stopped.

  Engine Switch State	Condition
  Engine switch on (IG)	Shift lever in P, stop light switch assembly on or parking brake applied
  	Vehicle speed below 5 km/h (3.1 mph)
  Engine switch off	-

• The back door is open.

System Description

SYSTEM DESCRIPTION REAR POWER SEAT CONTROL SYSTEM DESCRIPTION The rear power seats have the following functions: reclining, fold and return, and jam protection. Both the left and right rear seat ...

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Automatic Transaxle System: Shift Paddle Switch Circuit
DESCRIPTION When the shift lever is in D, operating the "-" (down shift) shift paddle switch will cause the transaxle to enter fixed range mode which restricts the highest gear. By operating the "+" (up shift) or "-" (down shift) shift paddle switch, the gear can be changed. When the vehicle is bein ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Door / Hatch: Power Back Door Closer Switch
ComponentsCOMPONENTS ILLUSTRATION *1 BACK DOOR CONTROL SWITCH *2 DOOR CONTROL SWITCH *3 DOOR PULL HANDLE - - RemovalREMOVAL PROCEDURE 1. REMOVE DOOR PULL HANDLE Click here 2. REMOVE BACK DOOR CONTROL SWITCH (a) Disengage the 2 claws to remove the back door control switch as ...