Infiniti G20 1999-2002 Electrical Specifications
Explore detailed electrical specifications for the 1999-2002 Infiniti G20, including battery, alternator, starter motor, fuses, relays, and wiring diagrams. Ideal for maintenance, troubleshooting, and upgrades.
Overview Specifications
This document provides detailed electrical specifications for the 1999-2002 Infiniti G20. It includes information on the vehicle's electrical system, components, and key technical details. Use this guide to understand the electrical architecture, troubleshoot issues, or perform maintenance. Sections are organized to help you quickly locate specific information, and a quick reference table highlights key specifications for easy access.
How to Use
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Navigate through the document by scrolling through the sections or using the table of contents. Each major section is divided into subsections for detailed information on specific electrical components or systems.
Key Specifications
Battery Voltage
12V
Alternator Output
90A
Headlight Wattage
55/60W
Starter Motor Power
1.4 kW
Ignition Timing
15° BTDC
Available Specifications
Battery and Charging System
This section covers the battery specifications and the charging system components, including the alternator and voltage regulator. It provides details on capacity, output, and maintenance requirements.
Battery and Charging System
This section covers the battery specifications and the charging system components, including the alternator and voltage regulator. It provides details on capacity, output, and maintenance requirements.
Battery Specifications
- Type: Lead-acid, maintenance-free
- Voltage: 12V
- Capacity: 60 Ah
- Cold Cranking Amps (CCA): 540 A
- Dimensions: 9.5 x 7 x 7.5 inches
- Terminal Type: Top post
Charging System
- Alternator Output: 90A
- Voltage Regulator: Integrated
- Belt Type: Serpentine
- Charging Voltage: 13.5-14.5V
Lighting System
This section provides details on the vehicle's lighting system, including headlights, taillights, and interior lights. It covers bulb types, wattage, and replacement procedures.
Lighting System
This section provides details on the vehicle's lighting system, including headlights, taillights, and interior lights. It covers bulb types, wattage, and replacement procedures.
Exterior Lighting
- Headlights: Halogen, 55/60W
- Taillights: LED
- Turn Signal Bulbs: 21W
- Fog Lights: Optional, 55W
Interior Lighting
- Dome Light: 10W
- Map Lights: 5W
- Trunk Light: 5W
- Glove Box Light: 2W
Electrical Components
This section focuses on key electrical components such as the starter motor, ignition system, and fuses. It includes technical specifications and maintenance tips.
Electrical Components
This section focuses on key electrical components such as the starter motor, ignition system, and fuses. It includes technical specifications and maintenance tips.
Starter Motor
- Type: Gear reduction
- Voltage: 12V
- Power: 1.4 kW
- Teeth: 9
Ignition System
- Ignition Coil Type: Conventional
- Spark Plug Gap: 1.1 mm
- Distributor: Electronic
- Ignition Timing: 15° BTDC
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Component Specifications
Overview
- Type
- 12V DC system
- Configuration
- Negative ground
- Platform
- Integrated with engine control unit
- Material
- Copper wiring with PVC insulation
- Location
- Distributed throughout vehicle
Dimensions
- Battery Length
- 9.5 inches / 241 mm
- Battery Width
- 6.8 inches / 173 mm
- Battery Height
- 7.6 inches / 193 mm
- Alternator Diameter
- 5.1 inches / 130 mm
- Alternator Length
- 8.3 inches / 211 mm
- Wiring Harness Length
- 98.4 feet / 30 meters
- Fuse Box Dimensions
- 6.3 x 4.7 x 2.2 inches / 160 x 120 x 56 mm
Materials
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum alloy
- Wiring
- Copper core with PVC insulation
- Fuse Box
- Heat-resistant plastic
- Connectors
- Nylon with brass contacts
Features
- Lighting
-
- Halogen headlights
- LED tail lights
- Automatic headlight leveling
- Daytime running lights
- Charging
-
- 90 amp alternator
- Voltage regulator
- Battery monitoring system
- Security
-
- Immobilizer system
- Central locking
- Anti-theft alarm
- Convenience
-
- Power windows
- Power mirrors
- Power door locks
- Remote keyless entry
- instrumentation
-
- Digital odometer
- Trip computer
- Warning light system
- Fuel level sensor
Safety Features
- Circuit Protection
-
- Fuse protection
- Circuit breakers
- Overload protection
- Emergency
-
- Hazard warning lights
- Automatic door unlocking in crash
- Visibility
-
- Automatic headlights
- Rain-sensing wipers
Comfort Features
- Climate Control
-
- Automatic temperature control
- Rear defogger
- Lighting
-
- Map lights
- Vanity mirror lights
- Audio
-
- AM/FM/CD stereo
- Steering wheel controls
- Seating
-
- Heated seats
- Power seat controls
Accessories
- Audio
-
- Premium sound system
- CD changer
- Equalizer
- Lighting
-
- Fog lights
- Interior mood lighting
- Puddle lights
- Convenience
-
- Garage door opener
- Compass mirror
- Cargo area light
Maintenance
- Service interval
-
- Battery inspection every 6 months
- Alternator check every 15,000 miles
- Wiring inspection every 30,000 miles
- Fuse replacement as needed
- Connector cleaning every 2 years
- Notes
-
- Use only manufacturer-recommended fuses
- Keep battery terminals clean
- Check ground connections regularly
Warranty
- Basic
- Years: 3Miles: 36000Coverage: Electrical components
- Powertrain
- Years: 5Miles: 60000Coverage: Alternator, starter
- Corrosion
- Years: 7Miles: 100000Coverage: Wiring harness
- Battery
- Years: 2Miles: 24000Coverage: Replacement or prorated
Production Details
- Manufacturer
- Nissan Motor Corporation
- Process
-
- Automated wiring harness assembly
- Precision battery manufacturing
- Quality tested alternator production
- Quality Control
- Testing: Voltage regulation tests, Circuit continuity checks, Load testingCertifications: ISO 9001, JIS D 5301
- Sustainability
-
- Recyclable wiring materials
- Lead-free battery technology
- Energy-efficient production
- Metrics
- Daily Output: 1500 unitsDefect Rate: 0.02%Production Time: 4 hours per vehicle
Service Information for electrical Service
Maintenance and service requirements specific to the electrical system
- Battery terminal cleaning
- Alternator belt inspection
- Lighting system check
- Fuse inspection
- Ground connection check
Use dielectric grease on battery terminals
- Alternator output test
- Battery load test
- Wiring harness inspection
- Connector cleaning
- Charging system diagnostics
Perform tests with engine running
- Complete system diagnostics
- Fuse box cleaning
- Ground strap replacement
- Wire insulation check
- Electrical component testing
Use manufacturer-approved diagnostic tools
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the electrical specifications for the 1999-2002 Infiniti G20?
What are the electrical specifications for the 1999-2002 Infiniti G20?
The 1999-2002 Infiniti G20 features a 12-volt electrical system with a 60-amp alternator and a 45-amp battery. The vehicle is equipped with a multi-port fuel injection system, electronic ignition, and a 4-speed automatic or 5-speed manual transmission. It supports standard electrical components like power windows, mirrors, and door locks. The alternator and battery are compatible with most aftermarket replacements, but OEM parts are recommended for optimal performance.
Q2 What are the maintenance requirements for the electrical system in the Infiniti G20?
What are the maintenance requirements for the electrical system in the Infiniti G20?
Regular maintenance for the electrical system includes inspecting and cleaning battery terminals every 6 months, checking alternator output annually, and replacing spark plugs every 30,000 miles. Ensure all fuses and relays are intact and replace any damaged wiring. The battery should be tested every year and replaced every 3-5 years. Keep the electrical connections free of corrosion and ensure the charging system is functioning properly.
Q3 How do I replace the alternator in a 1999-2002 Infiniti G20?
How do I replace the alternator in a 1999-2002 Infiniti G20?
To replace the alternator, disconnect the negative battery cable. Remove the serpentine belt using a wrench to release tension. Disconnect the electrical connectors and mounting bolts from the alternator. Install the new alternator by reversing the steps, ensuring all connections are secure. Reattach the serpentine belt and reconnect the battery. Test the alternator output to confirm proper installation.
Q4 What should I do if my Infiniti G20's electrical system is malfunctioning?
What should I do if my Infiniti G20's electrical system is malfunctioning?
Start by checking the battery for charge and corrosion. Test the alternator output to ensure it’s charging correctly. Inspect fuses and relays for damage or wear. Use a multimeter to check for continuity in wiring. If issues persist, consult the service manual or a professional technician to diagnose potential problems with the ECU, sensors, or other components.
Q5 How can I optimize the electrical performance of my Infiniti G20?
How can I optimize the electrical performance of my Infiniti G20?
To optimize electrical performance, use high-quality OEM or aftermarket parts. Regularly clean battery terminals and ensure proper grounding. Upgrade to a high-output alternator if adding aftermarket electronics. Use synthetic lubricants for moving parts and keep wiring harnesses free of damage. Regularly inspect and maintain the charging system to ensure consistent performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Infiniti G20 Service Manual
Coming SoonDetailed guide covering maintenance, repair, and troubleshooting for the 1999-2002 Infiniti G20, including electrical system specifications and procedures.
Infiniti Technical Service Bulletin
Coming SoonOfficial updates and fixes for common electrical issues in the 1999-2002 Infiniti G20, including alternator and battery-related concerns.
Infiniti G20 Parts Catalog
Coming SoonComprehensive catalog of OEM and compatible aftermarket parts for the 1999-2002 Infiniti G20, including electrical components.
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Technical Information
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