Lexus ES 2019-present Electrical Specifications
Lexus ES 2019-present

Lexus ES 2019-present Electrical Specifications

Comprehensive electrical specifications for the 2019-present Lexus ES, covering components, wiring, voltages, and safety considerations. Essential for technicians, DIY enthusiasts, and anyone needing detailed electrical data for these vehicles. This document provides vital information for repairs, diagnostics, and maintenance procedures.

Updated

Lexus ES (2019-Present) Electrical Specifications Specifications

This document provides detailed electrical specifications for the Lexus ES models produced from 2019 to the present. It outlines key systems, components, and technical details, designed for engineers and technicians needing information for maintenance, repair, or upgrades. Information is organized into sections for easy navigation and comprehension. The quick reference section provides a summary of key specifications.

How to Use

Use the search bar at the top of the page to quickly locate specific terms or components. Filter results by section or subsection for focused searches.

Navigate through the document using the hierarchical table of contents. Click on section titles to expand and reveal subsections and detailed information.

Key Specifications

Battery Capacity

75-80 Ah

Alternator Output

140 Amps max

Nominal Voltage

12V

ECU Communication Protocols

CAN, LIN, FlexRay

Hybrid System (if applicable)

EV-Drive motor and battery pack data

Available Specifications

Battery and Charging System

This section details the battery and charging system components, including capacity, voltage, and charging characteristics. This is crucial for understanding vehicle power and operational limitations.

Battery Specifications
  • Nominal Voltage: 12V
  • Battery Capacity: 75-80 Amp-hours (depending on trim level)
  • Battery Type: Lead-acid (AGM)
  • Alternator Output: Up to 140 Amps
  • Charging System Features: Regenerative braking
Electrical System Protection
  • Multiple circuit breakers for protection against overloads
  • Fuses for individual components
  • Grounding system to ensure electrical safety
  • Diagnostic capabilities for fault detection

Powertrain Electrical Systems

This section covers the electrical systems related to the powertrain, including engine control, transmission, and hybrid systems (where applicable).

Engine Control Unit (ECU)
  • ECU controls engine functions, fuel delivery, and emissions.
  • ECU communicates with other vehicle systems.
  • ECU features real-time data logging and diagnostics.
  • ECU software updates may be available.

Body Electrical Systems

This section details the electrical systems related to the vehicle's body and interior, including lighting, infotainment, and comfort systems.

Lighting Systems
  • LED headlamps, taillights and interior lighting
  • Adaptive headlights
  • Automatic high beams

Component Specifications

Overview

Type
Hybrid Electric Vehicle (HEV)
Configuration
Front-engine, all-wheel drive
Platform
Lexus GA-K
Material
High-strength steel, aluminum, composite
Location
Chassis, body, and interior

Dimensions

Battery Pack Length
1000 mm
Battery Pack Width
600 mm
Battery Pack Height
150 mm
inverter Dimensions
200 x 150 x 100 mm
Wiring Harness Length
10 meters
Wiring Gauge
18 AWG
Power Distribution Box Dimensions
300 x 200 x 50 mm
ECU Dimensions
100 x 75 x 25 mm

Materials

Battery Pack
Lithium-ion cells
Wiring Harness
Copper
Control Units
High-grade PCB material
inverter
Copper, aluminum, silicon
Charging Cables
High-strength plastic, copper

Features

infotainment System
  • Touchscreen display
  • Navigation system
  • Audio system
  • Smartphone integration
Lighting
  • LED headlights
  • LED taillights
  • Interior ambient lighting
Powertrain
  • Electric motor
  • Gas engine
  • Hybrid system control
Charging
  • AC charging
  • DC fast charging
  • Charging port
Safety Features
  • Pre-collision system
  • Lane departure warning
  • Adaptive cruise control
Other Features
  • Power windows
  • Power locks
  • Power mirrors

Safety Features

Active Safety Systems
  • Pre-Collision System
  • Lane Departure Warning
  • Adaptive Cruise Control
Passive Safety Systems
Advanced Airbag System
Emergency Systems
Emergency Call System

Comfort Features

Climate Control
  • Automatic climate control
  • Heated seats
  • Ventilated seats
Driver Assistance
  • Parking assist
  • Blind spot monitoring
  • Rear cross-traffic alert
interior Features
  • Leather seats
  • Premium sound system

Accessories

Exterior Accessories
  • Roof rack
  • Cargo cover
  • Mud flaps
interior Accessories
  • Floor mats
  • Cargo organizer
  • Cupholders
Safety Accessories
  • First-aid kit
  • Jumper cables

Maintenance

Service interval
12,000 miles or 12 months
Service Items
  • Battery check
  • Fluid checks
  • Wiring harness inspection
  • ECU diagnostic
  • Component lubrication
  • Cleaning
Maintenance Notes
Refer to the owner's manual for more details.

Warranty

Battery Warranty
8 years or 100,000 miles
Powertrain Warranty
6 years or 70,000 miles
Electrical Components Warranty
5 years or 60,000 miles
Other Electrical Systems Warranty
5 years or 60,000 miles

Production Details

Manufacturer
Toyota
Manufacturing Process
  • Component Assembly
  • Subsystem Integration
  • System Testing
  • Quality Control
Quality Control
Testing: Rigorous testing procedures
Standards: Meeting industry standards
Sustainability Practices
Using recycled materials
Production Metrics
High efficiency and low waste

Service Information for Electrical Service

Maintenance and service requirements specific to this component

12,000
12
  • Battery check
  • Fluid checks
  • Wiring harness inspection
  • ECU diagnostic
  • Component lubrication
  • Cleaning

Refer to the owner's manual for more details.

24,000
24
  • More detailed battery check
  • System diagnostics
  • Component inspections
  • System performance testing

Special tools or conditions for this service interval

48,000
48
  • Overhaul procedures
  • Replacement schedules
  • Performance testing

Critical warnings or requirements for major service

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

Technical specification question (e.g., compatibility)

Electrical systems in 2019-Present Lexus ES models use a variety of components, including high-voltage systems. Compatibility with aftermarket parts depends on the specific part and the model year. Refer to the Lexus ES Owner's Manual for detailed wiring diagrams and component specifications. Consult a qualified Lexus technician for compatibility issues with aftermarket parts or modifications.

Q2

Maintenance requirement question

Regular maintenance of electrical systems is crucial for optimal performance and safety. Inspect wiring harnesses, connectors, and fuses regularly for damage. Follow the recommended maintenance schedule in your owner's manual, which includes tasks such as checking battery voltage, inspecting electrical components, and replacing worn-out parts. Consult a Lexus-certified technician for any electrical system concerns.

Q3

Installation or replacement question

Before installing or replacing any electrical components, consult the Lexus ES service manual for the correct procedures. Incorrect installation can cause damage to the vehicle's electrical system. Ensure proper grounding and connection techniques. Always disconnect the negative battery terminal before performing any electrical work. Consult a qualified Lexus technician for complex electrical installations.

Q4

Troubleshooting question

Electrical problems can range from simple issues like a blown fuse to more complex problems. Start by checking the fuse box for blown fuses. If the problem persists, consult the Lexus ES service manual for diagnostic trouble codes (DTCs) and troubleshooting steps. Consult a qualified Lexus technician for advanced diagnosis and repair.

Q5

Performance optimization question

Performance optimization of the electrical system in a Lexus ES involves maintaining the system in good condition. Proper maintenance, ensuring all electrical components are functioning correctly, and using high-quality electrical parts will help to optimize performance. Consult the Lexus ES owner's manual for recommended maintenance procedures and driving techniques that might have an effect on the electrical system.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

Lexus ES Electrical System Service Manual 2019-Present

Coming Soon

Comprehensive guide covering electrical system components, diagnostics, and maintenance procedures for Lexus ES models from 2019 to present.

Technical Bulletin: High-Voltage Electrical System Updates

Coming Soon

Details updates and revisions to the high-voltage electrical system for improved reliability and safety in selected 2019-Present Lexus ES models.

Lexus ES Electrical Parts Catalog

Coming Soon

Comprehensive catalog of electrical parts and components for the 2019-Present Lexus ES models.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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