Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: System Description

Uses power supplied from the fold seat control ECU (LH/RH seat) to operate and fold or return the rear No. 2 seatback. Uses a built in Hall IC to detect the position of the rear No. 2 seatback.

Uses power supplied from the fold seat control ECU (LH/RH seat) to operate and fold or return the rear No. 2 seat cushion. Uses a built in Hall IC to detect the position of the rear No. 2 seat cushion.

Outputs rear No. 2 seat fold and return operation signals to the fold seat control ECU (LH/RH seat) to perform a fold or return operation of the rear No. 2 power seat.

Fold Seat Control ECU (LH/RH seat)

Receives signals from each seat switch and operates the reclining motor and lifter motor to fold and return the rear No. 2 power seat. Sounds a buzzer if conditions for the requested operation are not met or a jam is detected.