Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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 is equipped with this system. Each seat operates independently.
FUNCTION OF MAIN COMPONENTS
| Component | Function |
|---|---|
| Rear Seatback Frame Sub-assembly (Reclining Motor, Fold Motor) | Uses power supplied from the fold seat control ECU to operate the reclining motor and fold motor to recline, fold and return the rear seatback. Uses a Hall IC built into the fold motor to detect the position of the rear seatback. |
| Rear Power Seat Switch |
|
| Fold Seat Switch assembly | Outputs rear seat fold and return operation signals to the fold seat control ECU to perform a fold or return operation of the rear power seat. |
| Fold Seat Control ECU | Receives signals from each seat switch and operates the reclining motor and fold motor to recline and fold and return the rear power seat. Sounds a buzzer if conditions for the requested operation are not met or a jam is detected. |
Precaution
PRECAUTION POWER FOLDING SEAT FUNCTION HANDLING PRECAUTIONS NOTICE:
When a rear power seat is operating, make sure that the area around the seat is free of obstructions.
When a rear power seat is ...
Initialization
INITIALIZATION INITIALIZATION (INITIAL POSITION MEMORIZATION) NOTICE: It is necessary to perform Initialization (initial position memorization) in the following situations.
The fold seat control EC ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Airbag System: Side Satellite Sensor Bus Lost Communication (RH) (B1642,B1643)
DESCRIPTION The side collision sensor RH circuit (bus 1) consists of the airbag sensor assembly, door side airbag sensor RH and rear airbag sensor RH. The door side airbag sensor RH and rear airbag sensor RH detect impacts to the vehicle and send signals to the airbag sensor assembly to determine if ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Dynamic Torque Control Awd System: AWD Warning Light Remains ON
DESCRIPTION The 4WD ECU assembly is connected to the combination meter assembly via CAN communication. If the 4WD ECU assembly stores any DTCs which are related to the dynamic torque control AWD system, the master warning light illuminates and the AWD warning message is displayed on the multi-inform ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
0.0139