Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Lexus LS 500h AWDFACTORY OEM SERVICE PROCEDURE
Electrical Component Locations
Select a section or procedure below to view factory instructions:
Acoustic Vehicle Alerting System (W/ Front Lidar Sensor)Acoustic Vehicle Alerting System (W/O Front Lidar Sensor)Active Noise Control SystemAdaptive Variable Suspension System (W/ Front Lidar Sensor)Adaptive Variable Suspension System (W/O Front Lidar Sensor)Advanced Drive / Driver Monitor Camera SystemAdvanced Drive Extension SystemAdvanced Drive SystemAdvanced Driver Assistance System / Driver Monitor Camera SystemAdvanced Parking SystemAir Suspension SystemAirbag SystemAudio / Video SystemAutomatic High Beam System (For Mono Camera Type)Automatic High Beam System (For Stereo Camera Type)Battery / Charging SystemBlind Spot Monitor System (W/ Front Lidar Sensor)Blind Spot Monitor System (W/O Front Lidar Sensor)Can Communication System (W/ Front Lidar Sensor)Can Communication System (W/O Front Lidar Sensor)Climate Control Seat SystemClock SystemCooling Fan SystemCXPI Communication System (W/ Front Lidar Sensor)CXPI Communication System (W/O Front Lidar Sensor)Digital Key SystemDigital Rear-View Mirror SystemDoor Closer SystemDynamic Radar Cruise Control System (For Stereo Camera Type)Easy Access Buckle SystemElectric Parking Brake SystemElectronic A/T Shift Lever System (L310F)Electronically Controlled Brake System (W/ Front Lidar Sensor)Electronically Controlled Brake System (W/O Front Lidar Sensor)Emission Control SystemEngine Control SystemETHERNET Communication SystemFront Camera System (For Mono Camera Type)Front Camera System (For Stereo Camera Type)Front Lidar SystemFront Power Seat Control System (W/ Front Lidar Sensor)Front Power Seat Control System (W/O Front Lidar Sensor)Front Radar Sensor System (For Mono Camera Type)Front Radar Sensor System (For Stereo Camera Type)Front Side Radar Sensor System (For Mono Camera Type)Front Side Radar Sensor System (For Stereo Camera Type)Fuel Lid Opener SystemFuel SystemGarage Door Opener SystemHEADUP Display System (W/ Front Lidar Sensor)Heated Steering Wheel System (W/ Front Lidar Sensor)Heated Steering Wheel System (W/O Front Lidar Sensor)Heating / Air Conditioning SystemHorn SystemHybrid Battery SystemHybrid Control SystemHybrid Transmission System (L310F)Ignition SystemLane Tracing Assist System (For Stereo Camera Type)Left Side Lidar SystemLighting System (Ext, For Mono Camera Type)Lighting System (Ext, For Stereo Camera Type)Lighting System (Int)Lin Communication System (W/ Front Lidar Sensor)Lin Communication System (W/O Front Lidar Sensor)Meter / Gauge SystemMotor Generator Control SystemOccupant Classification System (W/ Front Lidar Sensor)Occupant Classification System (W/O Front Lidar Sensor)Panoramic View Monitor SystemParking Support Alert SystemParking Support Brake SystemPedestrian Protection SystemPower Door Lock Control System (W/ Front Lidar Sensor)Power Integration System (W/ Front Lidar Sensor)Power Integration System (W/O Front Lidar Sensor)Power Mirror Control SystemPower Steering SystemPower Tilt & Power Telescopic Steering Column SystemPower Trunk Lid SystemPower Window Control System (W/ Front Lidar Sensor)Power Window Control System (W/O Front Lidar Sensor)Pre-Collision System (For Stereo Camera Type)Rear Door Sunshade SystemRear Lidar SystemRear Multi Operation Panel SystemRear Power Seat Control SystemRear Seat Entertainment SystemRear Seat Reminder SystemRear Sunshade SystemRight Side Lidar SystemRoad Sign Assist System (For Stereo Camera Type)Safety Connect SystemSeat Belt SystemSeat Belt Tension Reducer SystemSeat Belt Warning SystemSeat Heater SystemSeat Vibration SystemSliding Roof SystemSmart Access System (For Entry, W/ Front Lidar Sensor)Smart Access System (For Entry, W/O Front Lidar Sensor)Smart Access System (For Start, W/ Front Lidar Sensor)Smart Access System (For Start, W/O Front Lidar Sensor)Spatial Information Service SystemSub Battery System (W/ Front Lidar Sensor)Telematics SystemTheft Deterrent System (W/ Front Lidar Sensor)Theft Deterrent System (W/O Front Lidar System)Tire Pressure Warning System (W/ Front Lidar Sensor)Tire Pressure Warning System (W/O Front Lidar Sensor)Traffic Jam Assist SystemWindow Defogger SystemWindshield Deicer SystemWiper System / Washer SystemWireless Charging SystemWireless Door Lock Control System (W/ Front Lidar Sensor)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.