Subaru Subaru Impreza 1992-2000 Electrical Specifications
Explore the complete electrical specifications for the 1992-2000 Subaru Impreza, including wiring diagrams, fuse box layouts, alternator output, battery requirements, and sensor details. Ideal for repairs, maintenance, and upgrades.
Overview Specifications
This document provides detailed electrical specifications for the 1992-2000 Subaru Impreza. It is designed to assist mechanics, enthusiasts, and owners in understanding the vehicle's electrical system. The content is organized into major sections, each focusing on a specific aspect of the electrical system. Use the search functionality to find specific terms or navigate through sections for comprehensive information. Detailed subsections and quick reference tables are included for easy access to key specifications.
How to Use
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Key Specifications
Battery Voltage
12V
Alternator Output
70A
Spark Plug Gap
0.8mm
Headlight Wattage
55W/60W
Ignition Timing
10° BTDC
Available Specifications
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system details for the 1992-2000 Subaru Impreza. 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 1992-2000 Subaru Impreza. It includes information on voltage, capacity, and maintenance requirements.
Battery Specifications
- 12V DC system
- Battery capacity: 45Ah
- Maintenance-free battery type
- Cold cranking amps (CCA): 320A
Alternator Output
- Alternator type: 12V 70A
- Regulated voltage: 13.5-14.5V
- Belt-driven alternator
- Pulley diameter: 50mm
Ignition System
This section details the ignition system components, including the distributor, spark plugs, and ignition coil specifications. It provides insights into timing and performance.
Ignition System
This section details the ignition system components, including the distributor, spark plugs, and ignition coil specifications. It provides insights into timing and performance.
Distributor Details
- Distributor type: Electronic
- Ignition timing: 10 degrees BTDC
- Rotor type: Fixed
- Cap material: Bakelite
Spark Plug Specifications
- Spark plug gap: 0.8mm
- Heat range: 5
- Thread size: 14mm
- Torque: 18-22 Nm
Lighting System
This section outlines the lighting system, including headlights, taillights, and interior lighting. It provides details on bulb types, wattage, and voltage requirements.
Lighting System
This section outlines the lighting system, including headlights, taillights, and interior lighting. It provides details on bulb types, wattage, and voltage requirements.
Headlight Specifications
- Headlight type: Halogen
- Wattage: 55W (low beam), 60W (high beam)
- Voltage: 12V
- Beam pattern: H4
Taillight Details
- Bulb type: LED
- Wattage: 21W
- Voltage: 12V
- Lens color: Red
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Component Specifications
Overview
- Type
- 12V DC system
- Configuration
- Negative ground
- Platform
- Integrated wiring harness
- Material
- Copper wiring with PVC insulation
- Location
- Distributed throughout vehicle
Dimensions
- Battery Length
- 9.06 in (230 mm)
- Battery Width
- 6.88 in (175 mm)
- Battery Height
- 7.5 in (190 mm)
- Alternator Diameter
- 5.12 in (130 mm)
- Alternator Length
- 6.3 in (160 mm)
- Wiring Harness Length
- 98.4 ft (30 m)
- Fuse Box Dimensions
- 6.3 x 4.7 x 2.4 in (160 x 120 x 60 mm)
Materials
- Wiring
- Copper with PVC insulation
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum alloy
- Fuse Box
- Thermoplastic
- Connectors
- Nylon with brass contacts
Features
- Lighting System
-
- Halogen headlights
- Integrated fog lights
- LED tail lights
- Automatic headlight leveling
- Power Distribution
-
- Centralized fuse box
- Relay-controlled circuits
- Circuit breakers for high-load systems
- Smart alternator control
- Charging System
-
- 70-90 amp alternator
- Voltage regulator
- Battery monitoring system
- Load response control
- Sensors
-
- Battery voltage sensor
- Light sensor
- Rain sensor
- Temperature sensor
- Entertainment
-
- AM/FM radio
- Cassette player
- CD player (optional)
- 4-speaker system
Safety Features
- Circuit Protection
-
- Blade-type fuses
- Thermal circuit breakers
- Overload protection
- Lighting Safety
-
- Automatic headlight shutoff
- Emergency brake light system
- Daytime running lights
- Short Circuit Protection
- Integrated in all circuits
Comfort Features
- Climate Control
-
- Manual AC system
- Heater controls
- Defogger system
- Power Accessories
-
- Power windows
- Power mirrors
- Central locking system
- instrumentation
-
- Analog gauges
- Warning light system
- Trip computer (optional)
Accessories
- Exterior Lighting
-
- Fog light kit
- Driving light kit
- LED conversion kit
- Audio System
-
- Upgraded speakers
- CD changer
- Subwoofer kit
- Security
-
- Alarm system
- Keyless entry
- Immobilizer system
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Battery terminal cleaning
- Alternator belt inspection
- Fuse condition check
- Ground connection verification
- Wiring harness inspection
- Maintenance Notes
- Use only manufacturer-recommended fuses and relays
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Electrical components excluding wear items
- Battery
- Miles: 60,000Years: 5Coverage: Replacement for manufacturing defects
- Alternator
- Miles: 50,000Years: 4Coverage: Repair or replacement
- Wiring
- Miles: 100,000Years: 7Coverage: Repair of wiring harness defects
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Automated wiring harness assembly
- Robotic component testing
- Environmental stress testing
- Quality Control
- Voltage Testing: 100% of unitsContinuity Testing: 100% of circuitsEnvironmental Testing: Random sampling
- Sustainability Practices
-
- Lead-free soldering
- Recyclable wiring materials
- Energy-efficient production
- Production Metrics
- Daily Output: 1200 unitsDefect Rate: 0.02%Energy Usage: 15 kWh per unit
Service Information for electrical Service
Maintenance and service requirements specific to electrical system
- Inspect battery terminals and cables
- Check alternator output voltage
- Test all lighting circuits
- Verify ground connections
- Inspect wiring harness for damage
Use dielectric grease on all electrical connections
- Load test battery
- Check alternator belt tension
- Inspect all fuses and relays
- Test charging system performance
- Verify proper operation of all sensors
Replace battery if capacity drops below 70%
- Complete electrical system diagnostic
- Replace alternator brushes if worn
- Inspect and clean all ground points
- Check wiring harness for corrosion
- Test all safety-related circuits
Use factory diagnostic tools for accurate testing
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What electrical components are compatible with the 1992-2000 Subaru Impreza?
What electrical components are compatible with the 1992-2000 Subaru Impreza?
The 1992-2000 Subaru Impreza is compatible with a range of electrical components, including alternators, starters, and wiring harnesses designed for the GC/GM chassis. Ensure compatibility by checking part numbers and specifications, as variations exist between model years and trims. For example, the alternator output ranges from 70-90 amps depending on the model. Always verify with the manufacturer or a trusted parts catalog.
Q2 What are the maintenance requirements for the electrical system in a 1992-2000 Subaru Impreza?
What are the maintenance requirements for the electrical system in a 1992-2000 Subaru Impreza?
Regular maintenance for the electrical system includes inspecting the battery terminals for corrosion, checking the alternator belt for wear, and ensuring all fuses and relays are functioning. The battery should be tested annually, and wiring should be inspected for fraying or damage. Replace spark plugs and ignition components as recommended, typically every 30,000-60,000 miles, to maintain optimal performance.
Q3 How do I replace the alternator in a 1992-2000 Subaru Impreza?
How do I replace the alternator in a 1992-2000 Subaru Impreza?
To replace the alternator, disconnect the negative battery terminal. Remove the serpentine belt using a wrench to release tension. Unbolt the alternator and disconnect the electrical connectors. Install the new alternator, reconnect the electrical connectors, and reattach the serpentine belt. Tighten all bolts securely and reconnect the battery terminal. Test the alternator output with a multimeter to ensure proper installation.
Q4 What should I do if my Subaru Impreza's electrical system is malfunctioning?
What should I do if my Subaru Impreza's electrical system is malfunctioning?
Start by checking the battery voltage with a multimeter; it should read 12.6V when off and 13.7-14.7V when running. Inspect fuses and relays for damage. If the alternator is suspected, test its output. For wiring issues, look for visible damage or loose connections. If the problem persists, consult a professional mechanic or refer to the vehicle's service manual for advanced diagnostics.
Q5 How can I optimize the electrical performance of my 1992-2000 Subaru Impreza?
How can I optimize the electrical performance of my 1992-2000 Subaru Impreza?
To optimize electrical performance, upgrade to a high-output alternator if using additional accessories like audio systems or lighting. Use high-quality wiring and connectors to reduce resistance. Regularly clean battery terminals and ensure proper grounding. Consider installing a voltage stabilizer to maintain consistent power delivery. Always follow the manufacturer's guidelines for modifications to avoid overloading the 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.
1992-2000 Subaru Impreza Service Manual
Coming SoonComprehensive guide covering electrical system diagnostics, maintenance, and repair procedures for the 1992-2000 Subaru Impreza.
Subaru Technical Service Bulletin: Electrical System Updates
Coming SoonDetails common electrical issues and updates for the 1992-2000 Impreza, including wiring harness recalls and alternator improvements.
Subaru Impreza Electrical Parts Catalog
Coming SoonCatalog listing OEM and aftermarket electrical components compatible with the 1992-2000 Subaru Impreza, including part numbers and specifications.
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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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