Lexus GS 2012-2020 Electrical Specifications
Explore the detailed electrical specifications for the 2012-2020 Lexus GS, including battery capacity, alternator output, wiring diagrams, and fuse box layouts. Ideal for maintenance, repair, and upgrades.
Overview Specifications
This document provides detailed electrical specifications for the 2012-2020 Lexus GS models. It covers key components such as the battery, alternator, lighting systems, and onboard electronics. Use this guide to understand the technical aspects of the vehicle's electrical systems, troubleshoot issues, or identify compatible parts. The information is organized into sections for easy navigation and includes a quick reference table for key specifications.
How to Use
Use the search function to find specific terms or components within the document. Enter keywords like 'battery' or 'alternator' to quickly locate relevant information.
Navigate through the document using the section titles and subsections. Each section is organized by major electrical components, with detailed points listed under each subsection.
Key Specifications
Battery Voltage
12V
Alternator Output
150A
Headlight Type
LED/HID
Infotainment Screen Size
12.3 inches
USB Ports
4
Available Specifications
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system details for the 2012-2020 Lexus GS. It includes information on voltage, capacity, and maintenance requirements.
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system details for the 2012-2020 Lexus GS. It includes information on voltage, capacity, and maintenance requirements.
Battery Specifications
- 12V lead-acid battery
- Capacity: 70Ah (standard)
- Cold Cranking Amps (CCA): 650A
- Maintenance-free design
- Replacement interval: 3-5 years
- Compatible with AGM batteries
Alternator Output
- Output: 150A (standard)
- Voltage: 14.4V
- Efficient power delivery
- Integrated voltage regulator
- Compatible with hybrid models (if applicable)
Lighting Systems
This section details the lighting systems, including headlights, taillights, and interior lighting. It covers bulb types, wattage, and advanced lighting technologies.
Lighting Systems
This section details the lighting systems, including headlights, taillights, and interior lighting. It covers bulb types, wattage, and advanced lighting technologies.
Exterior Lighting
- LED headlights (standard on higher trims)
- HID headlights (optional)
- LED daytime running lights
- LED taillights with dynamic turn signals
- Fog lights: 55W halogen or LED
Interior Lighting
- LED ambient lighting
- Map lights: 5W LED
- Trunk light: 10W halogen
- Adjustable brightness settings
- Theater-style dimming
Onboard Electronics
This section focuses on the vehicle's onboard electronics, including the infotainment system, navigation, and driver-assistance features. It provides details on connectivity, power consumption, and system integration.
Onboard Electronics
This section focuses on the vehicle's onboard electronics, including the infotainment system, navigation, and driver-assistance features. It provides details on connectivity, power consumption, and system integration.
Infotainment System
- 12.3-inch touchscreen display
- Bluetooth connectivity
- USB ports: 2 (front), 2 (rear)
- Wireless charging pad (optional)
- Mark Levinson premium audio system (optional)
Driver-Assistance Features
- Adaptive cruise control
- Lane departure warning
- Blind-spot monitoring
- 360-degree camera system
- Parking assist sensors
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Component Specifications
Overview
- Type
- 12V electrical system
- Configuration
- Negative ground
- Platform
- Lexus GS platform
- Material
- High-grade copper wiring
- Location
- Front and rear distribution
Dimensions
- Battery Length
- 10.5 in (26.67 cm)
- Battery Width
- 6.9 in (17.53 cm)
- Battery Height
- 7.5 in (19.05 cm)
- Alternator Diameter
- 5.1 in (12.95 cm)
- Alternator Length
- 7.2 in (18.29 cm)
- Wiring Harness Length
- 98.4 ft (30 m)
- Fuse Box Dimensions
- 8.3 x 5.9 x 2.4 in (21.1 x 15 x 6.1 cm)
Materials
- Battery Case
- Polypropylene
- Wiring
- Copper with PVC insulation
- Alternator Housing
- Aluminum alloy
- Fuse Box
- Thermoplastic
Features
- Lighting
-
- LED headlights
- Adaptive front lighting system
- Automatic high beam
- LED daytime running lights
- Power Distribution
-
- Smart key system
- Power windows with auto up/down
- Power door locks
- Power adjustable steering wheel
- infotainment
-
- 12.3-inch display
- Mark Levinson premium audio
- Bluetooth connectivity
- Navigation system
- Safety
-
- Blind spot monitor
- Lane departure alert
- Pre-collision system
- Adaptive cruise control
- Comfort
-
- Dual-zone climate control
- Heated and ventilated seats
- Ambient interior lighting
- Power sunroof
Safety Features
- Circuit Protection
-
- Multiple fuse boxes
- Circuit breakers
- Overload protection
- Battery Safety
-
- Sealed battery
- Automatic shut-off
- Corrosion-resistant terminals
- Wiring Safety
-
- Heat-resistant insulation
- Abrasion-resistant sheathing
- Fire-retardant materials
Comfort Features
- Climate Control
-
- Automatic temperature control
- Rear seat vents
- Air purification system
- Lighting
-
- Ambient interior lighting
- Automatic dimming mirrors
- Puddle lamps
- Seating
-
- Heated front seats
- Ventilated front seats
- Memory seat settings
Accessories
- Charging
-
- USB ports
- 12V power outlets
- Wireless charging pad
- Lighting
-
- LED fog lights
- Interior mood lighting
- Trunk lighting
- Audio
-
- Premium sound system
- Subwoofer
- Surround sound
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Battery inspection
- Alternator belt check
- Fuse inspection
- Wiring harness check
- Lighting system test
- Maintenance Notes
- Use only OEM parts for replacements
Warranty
- Basic
- Years: 4Miles: 50000Coverage: Bumper to bumper
- Powertrain
- Years: 6Miles: 70000Coverage: Engine and transmission
- Corrosion
- Years: 5Miles: UnlimitedCoverage: Perforation from corrosion
- Hybrid
- Years: 8Miles: 100000Coverage: Hybrid components
Production Details
- Manufacturer
- Lexus
- Manufacturing Process
-
- Automated assembly
- Precision wiring
- Quality control testing
- Quality Control
- Testing: Voltage testing, Current testing, Insulation testingStandards: ISO 9001
- Sustainability Practices
-
- Recyclable materials
- Energy-efficient production
- Waste reduction
- Production Metrics
- Units Per Year: 50000Defect Rate: 0.01%
Service Information for electrical Service
Maintenance and service requirements specific to this component
- Inspect battery terminals
- Check alternator output
- Test all fuses
- Inspect wiring harness
- Check lighting system
Ensure all connections are secure and free of corrosion
- Replace battery if necessary
- Check alternator belt tension
- Inspect grounding points
- Test charging system
- Check power distribution
Use diagnostic tools for accurate testing
- Replace alternator belt
- Inspect and replace fuses as needed
- Check all electrical connections
- Test all electronic components
- Perform system diagnostics
Major service may require specialized equipment
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the electrical system specifications for the 2012-2020 Lexus GS?
What are the electrical system specifications for the 2012-2020 Lexus GS?
The 2012-2020 Lexus GS features a 12-volt electrical system with a 12V 35Ah battery. It supports advanced electrical components like LED lighting, a 12.3-inch infotainment display, and a premium audio system. The vehicle is compatible with standard charging systems and aftermarket accessories designed for 12V systems. Always verify compatibility with Lexus-approved parts to ensure optimal performance and safety.
Q2 What are the maintenance requirements for the Lexus GS electrical system?
What are the maintenance requirements for the Lexus GS electrical system?
Regular maintenance includes inspecting the battery terminals for corrosion, ensuring proper voltage levels (12.4V-12.7V), and checking alternator output. Replace the battery every 3-5 years or as needed. Inspect wiring and fuses for wear or damage. Follow the owner's manual for scheduled maintenance, including software updates for the infotainment and safety systems to maintain electrical performance.
Q3 How do I replace the battery in a 2012-2020 Lexus GS?
How do I replace the battery in a 2012-2020 Lexus GS?
To replace the battery, first, turn off the engine and disconnect the negative terminal, followed by the positive terminal. Remove the battery hold-down clamp and carefully lift the battery out. Install the new battery, ensuring it is securely placed. Reconnect the positive terminal first, then the negative terminal. Tighten the hold-down clamp and test the electrical system to ensure proper functionality.
Q4 What should I do if my Lexus GS electrical system malfunctions?
What should I do if my Lexus GS electrical system malfunctions?
Start by checking the battery voltage with a multimeter. If the voltage is below 12V, recharge or replace the battery. Inspect fuses for blown circuits and replace as needed. If issues persist, use an OBD-II scanner to check for error codes. For complex issues like infotainment or lighting problems, consult a certified Lexus technician for diagnostics and repairs.
Q5 How can I optimize the electrical performance of my Lexus GS?
How can I optimize the electrical performance of my Lexus GS?
To optimize performance, ensure the battery is fully charged and terminals are clean. Use high-quality, Lexus-approved parts for replacements. Regularly update the vehicle's software for infotainment and safety systems. Avoid overloading the electrical system with aftermarket accessories. For enhanced performance, consider upgrading to a high-capacity battery if using additional electrical components.
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 GS 2012-2020 Service Manual
Coming SoonComprehensive guide covering electrical system maintenance, troubleshooting, and repair procedures for the Lexus GS.
Technical Service Bulletin: Electrical System Updates
Coming SoonDetails software updates and fixes for the electrical system, including infotainment and lighting components.
Lexus GS Parts and Accessories Catalog
Coming SoonCatalog listing OEM electrical components, batteries, and accessories compatible with the 2012-2020 Lexus GS.
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