OEM Restraints System Part Replacement Search

2020 Lexus LS500/LS500h


DISABLE PROCEDURE AND TIME (Always Check Service Manual)

1. Turn ignition switch to OFF
2. Disconnect and isolate negative battery cable.
3. Wait at least 90 seconds.

When the cable is disconnected from the negative (-) battery terminal, the memory of various systems will be cleared. Because of this, be sure to make a record of the contents memorized in each system before starting work. When work is finished, adjust each system to its previous state.

REV: 06/2020


When the SRS parts are deployed (including when only an airbag or pretensioner is deployed) due to a collision, be sure to replace all sensors in the damaged areas (anywhere in need of repair) [AIRBAG SENSOR,FRONT; AIRBAG SENSOR,FRT DOOR; AIRBAG SENSOR,SEAT TRACK; AIRBAG SENSOR,QTR PANEL] and airbag ECU assembly [MODULE, AIRBAG CONTROL]

[Deployed Airbags]
• Horn button assembly [AIRBAG, STEERING WHEEL]
• Lower No. 1 instrument panel airbag assembly [AIRBAG,KNEE BOLSTER]
• Lower No. 2 instrument panel airbag assembly [AIRBAG,KNEE BOLSTER]
• Instrument panel passenger airbag assembly [AIRBAG,INSTRUMENT PNL]
• Curtain shield airbag assembly [AIRBAG,ROOF]
• Front seat airbag assemblies [AIRBAG,FRONT SEAT LT/RT]
• Rear seat airbag assembly [AIRBAG,REAR SEAT]


Before using an electric welder on the vehicle, remove any SRS parts around the area being repaired
Before repairs, remove the airbag sensor assemblies if impacts are likely to be applied to the sensor during repairs.

• Airbag ECU assembly [MODULE, AIRBAG CONTROL]
• Front airbag sensor [AIRBAG SENSOR,FRONT]
• Door side airbag sensor [AIRBAG SENSOR,FRT DOOR]
• Side airbag sensor assembly [AIRBAG SENSOR,SIDE]
• No. 2 side airbag sensor assembly y [AIRBAG SENSOR,SIDE]
• Rear airbag sensor [AIRBAG SENSOR,QTR PANEL]
• Seat position airbag sensor [AIRBAG SENSOR,SEAT TRACK]
• Front seat inner belt assembly
• Rear seat inner belt assembly
• Horn button assembly [AIRBAG, STEERING WHEEL]
• Instrument panel passenger without door airbag assembly
• Lower No. 1 instrument panel airbag assembly [AIRBAG,KNEE BOLSTER]
• Lower No. 2 instrument panel airbag assembly [AIRBAG,KNEE BOLSTER]
• Front seat airbag assembly
• Curtain shield airbag assembly [AIRBAG,ROOF]
• Rear seat airbag assembly [AIRBAG,REAR SEAT]
• Rear seat cushion airbag assembly
• Front seat outer belt assembly
• Rear seat outer belt assembly
• Occupant detection ECU
• Pedestrian detection ECU assembly

• If any of the SRS parts are dropped, or if any cracks, dents or other defects are found, replace them with new parts

Replace any faulty parts of the seat belt systems (outer belt, inner belt, bolts, nuts, tether anchor hardware and other related parts). When inspecting a vehicle that has been involved in a collision, be sure to check all of the seat belt systems regardless of whether or not the system was activated in the collision. Replace any damaged or malfunctioning systems.

Additional Information

*This matrix does not currently contain all production vehicles sold in the United States. Please refer back to this page frequently to ensure the most up-to-date information. The following charts were developed in cooperation with AudaExplore, a Solera company. The contents are based on the information available at the time of publication. To ensure that the most recent information is used, always refer to the vehicle maker's technical information before working with airbags and other passive restraint systems.

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