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
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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 > Back Door Glass: Removal
REMOVAL PROCEDURE 1. REMOVE BACK DOOR OUTSIDE GARNISH SUB-ASSEMBLY Click here 2. REMOVE REAR SPOILER Click here 3. REMOVE POWER BACK DOOR SENSOR ASSEMBLY LH Click here 4. REMOVE POWER BACK DOOR SENSOR ASSEMBLY RH HINT: Use the same procedure as for the LH side. 5. REMOVE REAR WIPER ARM AND BL ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Rear No. 2 Seat *B w/o Rear No. 2 Seat *1 FUEL PUMP (for Low Pressure Side) *2 SEMICONDUCTOR PWR INTEGRATION ECU *3 MASS AIR FLOW METER SUB-ASSEMBLY *4 PARK/NEUTRAL POSITION SWITCH ASSEMBLY *5 NO. 2 VACUUM SWITCHING VALVE ASSEMBLY ...
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
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