2021 Lexus ES 300h BaseFACTORY OEM SERVICE PROCEDURE

Electrical Component Locations

Select a section or procedure below to view factory instructions:

Acoustic Vehicle Alerting SystemActive Noise Control System (Hybrid)Adaptive Variable Suspension SystemAirbag System (Hybrid)Audio / Video System (For 8 Inch Display)Audio / Video System (For 12.3 Inch Display)Battery / Charging System (A25A-FXS)Blind Spot Monitor System (Hybrid)Can Communication System (Hybrid)Climate Control Seat System (Hybrid)Dynamic Radar Cruise Control System (Hybrid)Electric Parking Brake System (Hybrid)Electronically Controlled Brake System (Hybrid)Emission Control System (A25A-FXS)Engine Control System (A25A-FXS)Engine Cooling Fan System (A25A-FXS)Front Camera SystemFront Power Seat Control System (Hybrid) (W/ Memory)Front Power Seat Control System (W/O Memory)Front Radar Sensor SystemFuel Lid Opener System (Hybrid)Fuel System (A25A-FXS)Garage Door Opener System (Hybrid)Grille Shutter SystemHEADUP Display System (Hybrid)Heated Steering Wheel System (Hybrid)Heating / Air Conditioning System (Hybrid)Horn System - InspectionHybrid Battery System (For Lithium-Ion Battery)Hybrid Control System (For Lithium-Ion Battery)Hybrid Control System (For Nickel Metal Hydride Battery)Ignition System (A25A-FXS)Lane Tracing Assist SystemLEXUS ENFORM System (Hybrid)Lighting System (Ext) (Hybrid)Lighting System (Int) (Hybrid)Lin Communication System (Hybrid)Luggage Compartment Door Opener System (Hybrid)Meter / Gauge System (Hybrid)Motor Generator Control System (For Lithium-Ion Battery)Motor Generator Control System (For Nickel Metal Hydride Battery)Occupant Classification System (Hybrid)Panoramic Moon Roof SystemPanoramic View Monitor SystemParking Assist Monitor SystemParking Support Alert SystemParking Support Brake SystemPower Door Lock Control System (Hybrid)Power Mirror Control System (Hybrid) (W/ Memory)Power Mirror Control System (Hybrid) (W/O Memory)Power Steering System (Hybrid)Power Tilt & Power Telescopic Steering Column System (Hybrid)Power Trunk Lid System (Hybrid)Power Window Control System (Hybrid)Pre-Collision SystemRear Seat Reminder SystemRear Sunshade System (Hybrid)Road Sign Assist SystemSafety Connect System (Hybrid)Seat Belt Tension Reducer SystemSeat Belt Warning System (Hybrid)Seat Heater System (Hybrid)Sliding Roof System (Hybrid)Smart Access System (For Entry) (Hybrid)Smart Access System (For Start) (Hybrid)Telematics System (Hybrid)Theft Deterrent System (Hybrid)Tire Pressure Warning System (Hybrid)Window Defogger System (Hybrid)Windshield Deicer System (Hybrid)Wiper System / Washer System (Hybrid)Wireless Charging System
Factory Service Tools

Use the Manual With the Right Hardware

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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