Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: System Description
SYSTEM DESCRIPTION
GENERAL
(a) The occupant detection ECU estimates the weight of an occupant based on signals received from the 2 occupant classification sensors. The occupant detection ECU determines whether the front passenger seat is occupied and classifies the occupant based on the estimated weight, passenger side buckle switch state, acceleration sensor signal and vehicle speed signal. The result determined by the occupant detection ECU is sent to the airbag sensor assembly via CAN communication.
(b) The airbag sensor assembly controls the operation of the passenger airbag ON/OFF indicator and restricts the operation of the instrument panel passenger airbag assembly and front seat cushion airbag assembly RH.
System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Airbag Sensor Assembly Occupant Detection ECU
Crash detection signal
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the occupant classification system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEX ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Ptc Heater Assembly: 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 PTC heater assembly removal/installation are shown below. Necessary Procedures after parts removed/insta ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Combination Light Assembly (w/ Rear No. 2 Seat): Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. REMOVE REAR NO. 2 SEAT ASSEMBLY Click here 2. REMOVE REAR DOOR SCUFF PLATE Click here 3. REMOVE REAR DOOR INSIDE SCUFF PLATE Click here 4. ...
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
0.0144