Infiniti I35 2002-2004 Electrical Specifications
Explore the detailed electrical specifications for the 2002-2004 Infiniti I35, including battery, alternator, fuse box, wiring diagrams, and lighting systems. Ideal for repairs, maintenance, and upgrades.
Overview Specifications
This document provides detailed electrical specifications for the 2002-2004 Infiniti I35. It is designed to assist technicians, enthusiasts, and owners in understanding the vehicle's electrical system. The content is organized into sections covering major electrical components, wiring, and key specifications. Use the search and navigation instructions to quickly locate specific information.
How to Use
Use the search functionality to find specific terms or components. Enter keywords like 'battery', 'alternator', or 'fuse box' to locate relevant sections quickly.
Navigate through the document using the section titles and subsections. Each major section is divided into subsections with detailed technical points for easy reference.
Key Specifications
Battery Voltage
12V
Alternator Output
110A
Main Fuse Rating
120A
Headlight Wattage
55W/60W
Interior Light Wattage
5W/10W
Available Specifications
Battery and Charging System
This section covers the battery, alternator, and related components of the Infiniti I35's charging system. It includes details on voltage, capacity, and maintenance requirements.
Battery and Charging System
This section covers the battery, alternator, and related components of the Infiniti I35's charging system. It includes details on voltage, capacity, and maintenance requirements.
Battery Specifications
- Type: Maintenance-free lead-acid battery
- Voltage: 12V
- Capacity: 70Ah
- Cold Cranking Amps (CCA): 550A
- Terminal Type: Top-post
- Replacement Interval: 3-5 years
Alternator Specifications
- Output: 110A
- Voltage: 14V
- Type: Internally regulated alternator
- Belt Type: Serpentine
- Replacement Interval: 100,000-150,000 miles
Fuse Box and Wiring
This section provides information on the fuse box layout, wiring diagrams, and electrical circuits. It includes details on fuse ratings and circuit protection.
Fuse Box and Wiring
This section provides information on the fuse box layout, wiring diagrams, and electrical circuits. It includes details on fuse ratings and circuit protection.
Fuse Box Layout
- Location: Driver's side dashboard
- Number of Fuses: 40
- Main Fuse Rating: 120A
- Common Fuse Ratings: 10A, 15A, 20A, 30A
- Spare Fuses Included: Yes
- Fuse Type: Blade-type
Wiring Diagrams
- Color Coding: Standardized for easy identification
- Wire Gauge: 18-12 AWG
- Ground Points: Multiple throughout the vehicle
- Circuit Protection: Fuses and relays
- Wiring Harness: Durable and heat-resistant
Lighting System
This section details the lighting system, including headlights, taillights, and interior lights. It covers bulb types, wattage, and replacement procedures.
Lighting System
This section details the lighting system, including headlights, taillights, and interior lights. It covers bulb types, wattage, and replacement procedures.
Headlight Specifications
- Type: Halogen or HID (depending on trim)
- Wattage: 55W (low beam), 60W (high beam)
- Bulb Type: H7 (low beam), 9005 (high beam)
- Replacement Interval: 2-3 years
- Adjustment: Manual or automatic leveling
Interior Lighting
- Type: LED and incandescent
- Wattage: 5W (dome light), 10W (map light)
- Bulb Type: T10 (dome light), DE3175 (map light)
- Replacement Interval: 5-7 years
- Dimmer Control: Yes
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Component Specifications
Overview
- Type
- 12V DC system
- Configuration
- Negative ground
- Platform
- Integrated with engine control unit (ECU)
- Material
- Copper wiring with PVC insulation
- Location
- Distributed throughout vehicle
Dimensions
- Battery Length
- 9.5 in (241 mm)
- Battery Width
- 6.9 in (175 mm)
- Battery Height
- 7.5 in (190 mm)
- Alternator Diameter
- 5.1 in (130 mm)
- Alternator Length
- 7.9 in (200 mm)
- Starter Motor Diameter
- 4.7 in (120 mm)
- Starter Motor Length
- 6.3 in (160 mm)
Materials
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum alloy
- Starter Motor Windings
- Copper
- Wiring Harness
- PVC-insulated copper
- Fuse Box
- Thermoplastic
Features
- Lighting System
-
- Xenon HID headlights
- Automatic headlight leveling
- LED tail lights
- Fog lights
- Power Distribution
-
- 120A alternator
- 70Ah battery
- Centralized fuse box
- Smart charging system
- Sensors
-
- Battery voltage sensor
- Alternator load sensor
- Light sensor
- Rain sensor
- Entertainment
-
- Bose audio system
- 6-disc CD changer
- Steering wheel audio controls
- Automatic volume adjustment
- Climate Control
-
- Automatic temperature control
- Rear defogger timer
- Solar sensor
- Dual-zone climate control
Safety Features
- Circuit Protection
-
- Main fuse box
- Individual circuit fuses
- Relay protection
- Lighting Safety
-
- Automatic headlights
- Emergency brake light flasher
- Daytime running lights
- Emergency Features
-
- Hazard warning system
- Automatic door unlock
- Emergency trunk release
Comfort Features
- Power Accessories
-
- Power windows with auto-up/down
- Power door locks
- Power adjustable pedals
- Power moonroof
- Seating
-
- Heated front seats
- Driver seat memory
- Power lumbar support
- Convenience
-
- Automatic dimming rearview mirror
- HomeLink garage door opener
- Keyless entry system
Accessories
- Exterior
-
- Automatic headlight washers
- Heated side mirrors
- Rear spoiler with LED brake light
- interior
-
- Illuminated vanity mirrors
- Map lights
- Ambient lighting
- Audio
-
- Subwoofer
- Amplifier
- Satellite radio
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Battery terminal cleaning
- Alternator belt inspection
- Ground connection check
- Fuse inspection
- Wiring harness inspection
- Maintenance Notes
- Use only manufacturer-recommended replacement parts for electrical components
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Major electrical components
- Corrosion
- Miles: UnlimitedYears: 7Coverage: Battery corrosion
- Emissions
- Miles: 80,000Years: 8Coverage: Emission-related electrical components
Production Details
- Manufacturer
- Nissan Motor Corporation
- Manufacturing Process
-
- Automated wiring harness assembly
- Robotic component installation
- Computerized testing
- Quality Control
- Voltage Testing: 100% testedCurrent Draw: Verified for all circuitsinsulation Resistance: Minimum 1MΩ
- Sustainability Practices
-
- Lead-free battery terminals
- Recyclable wiring materials
- Energy-efficient production
- Production Metrics
- Daily Output: 1200 unitsDefect Rate: 0.02%Energy Consumption: 15 kWh per vehicle
Service Information for electrical Service
Maintenance and service requirements specific to electrical system
- Inspect battery terminals and cables
- Check alternator output voltage
- Test starter motor operation
- Inspect all fuses and relays
- Verify proper operation of all lights
Use dielectric grease on battery terminals
- Load test battery
- Inspect alternator belt condition
- Check ground connections
- Test charging system performance
- Inspect wiring harness for damage
Replace battery if capacity below 70%
- Replace alternator brushes if worn
- Inspect starter motor brushes
- Check all electrical connectors
- Test all sensors and switches
- Verify proper operation of all power accessories
May require specialized diagnostic equipment
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the electrical system specifications for the 2002-2004 Infiniti I35?
What are the electrical system specifications for the 2002-2004 Infiniti I35?
The 2002-2004 Infiniti I35 features a 12-volt electrical system with a 90-amp alternator and a maintenance-free battery. The vehicle supports a variety of electrical components, including power windows, door locks, and a premium audio system. It is compatible with standard automotive electrical accessories, but modifications should be checked for compatibility with the vehicle's wiring and fuse ratings.
Q2 What are the maintenance requirements for the electrical system?
What are the maintenance requirements for the electrical system?
Regular maintenance for the electrical system includes inspecting the battery terminals for corrosion, ensuring the alternator is functioning properly, and checking the wiring for wear or damage. The battery should be tested annually, and fuses should be inspected for any signs of failure. It is recommended to follow the manufacturer's service schedule for optimal performance.
Q3 How do I replace the alternator in a 2002-2004 Infiniti I35?
How do I replace the alternator in a 2002-2004 Infiniti I35?
To replace the alternator, first disconnect the negative battery terminal. Remove the serpentine belt using a wrench to release tension. Disconnect the electrical connectors and mounting bolts from the alternator. Install the new alternator, reconnect the electrical connectors, and reinstall the serpentine belt. Finally, reconnect the battery terminal and test the system.
Q4 What should I do if my Infiniti I35's electrical system is malfunctioning?
What should I do if my Infiniti I35's electrical system is malfunctioning?
Start by checking the battery voltage and connections. Inspect fuses and relays for any signs of failure. Use a multimeter to test the alternator output and wiring continuity. If the issue persists, consult the service manual or a professional technician for further diagnostics and repair.
Q5 How can I optimize the electrical system's performance?
How can I optimize the electrical system's performance?
Ensure the battery is fully charged and terminals are clean. Use high-quality electrical components and avoid overloading the system with aftermarket accessories. Regularly inspect wiring and connections for wear. Upgrading to a higher-capacity alternator or battery may improve performance if additional electrical loads are added.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2002-2004 Infiniti I35 Service Manual
Coming SoonComprehensive guide covering electrical system diagnostics, maintenance, and repair procedures for the Infiniti I35.
Infiniti I35 Technical Service Bulletin
Coming SoonLatest updates and fixes for common electrical system issues in the 2002-2004 Infiniti I35.
Infiniti I35 Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket electrical components for the 2002-2004 Infiniti I35.
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Technical Information
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