Subaru Subaru Impreza 2011-2016 Electrical Specifications
Explore the detailed electrical specifications for the 2011-2016 Subaru Impreza, including battery capacity, alternator output, fuse box configurations, and wiring diagrams. Essential for maintenance, troubleshooting, and upgrades.
Overview Specifications
This document provides detailed electrical specifications for the 2011-2016 Subaru Impreza. It is designed to assist technicians, enthusiasts, and owners in understanding the vehicle's electrical systems, including wiring, battery, alternator, and lighting. Use the search functionality to locate specific terms or navigate through sections to explore detailed information about each electrical component.
How to Use
Use the search bar to enter keywords related to the electrical system, such as 'battery voltage' or 'headlight wiring'. Results will highlight relevant sections and subsections for quick access.
Scroll through the sections to explore major electrical components. Each section contains subsections with detailed technical points. Use the table of contents for direct access to specific topics.
Key Specifications
Battery Voltage
12 V
Alternator Output
110 A
Headlight Wattage
55 W (Low Beam)
Fuse Rating Range
5A to 40A
Wiring Gauge
16-22 AWG
Available Specifications
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system details for the 2011-2016 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 2011-2016 Subaru Impreza. It includes information on voltage, capacity, and maintenance requirements.
Battery Specifications
- Battery type: 12V lead-acid
- Capacity: 48 Ah
- Cold Cranking Amps (CCA): 500 A
- Maintenance-free design
- Terminal type: SAE posts
- Replacement interval: 3-5 years
Alternator Specifications
- Output: 110 A
- Voltage: 14.4 V
- Belt type: Serpentine
- Pulley diameter: 60 mm
- Replacement interval: 100,000-150,000 miles
Lighting System
This section provides details on the lighting system, including headlights, taillights, and interior lighting. It covers bulb types, wattage, and replacement procedures.
Lighting System
This section provides details on the lighting system, including headlights, taillights, and interior lighting. It covers bulb types, wattage, and replacement procedures.
Headlight Specifications
- Low beam: H11, 55 W
- High beam: 9005, 65 W
- LED daytime running lights (DRL)
- Automatic headlight leveling system
- Replacement interval: 2-3 years
Taillight Specifications
- Bulb type: LED
- Wattage: 21 W
- Integrated brake and turn signals
- Water-resistant design
- Replacement interval: 5-7 years
Wiring and Fuses
This section outlines the wiring harness, fuse box locations, and electrical protection systems. It includes details on wire gauge, fuse ratings, and troubleshooting tips.
Wiring and Fuses
This section outlines the wiring harness, fuse box locations, and electrical protection systems. It includes details on wire gauge, fuse ratings, and troubleshooting tips.
Fuse Box Locations
- Main fuse box: Under the dashboard
- Secondary fuse box: Engine compartment
- Fuse ratings: 5A to 40A
- Color-coded fuses for easy identification
- Spare fuses included in fuse box
Wiring Harness
- Wire gauge: 16-22 AWG
- Insulation: Heat-resistant PVC
- Grounding points: 4 primary locations
- Shielded wiring for sensitive components
- Replacement interval: As needed
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Component Specifications
Overview
- Type
- 12V Electrical System
- Configuration
- Negative Ground
- Platform
- Subaru Global Platform
- Material
- Copper Wiring
- Location
- Front Engine Compartment
Dimensions
- Battery Length
- 7.5 in (19 cm)
- Battery Width
- 5.0 in (12.7 cm)
- Battery Height
- 7.9 in (20 cm)
- Alternator Diameter
- 5.5 in (14 cm)
- Alternator Weight
- 6.6 lbs (3 kg)
- Wire Gauge
- 10 AWG
- Fuse Box Dimensions
- 6 in x 4 in x 2 in (15.2 cm x 10.2 cm x 5.1 cm)
Materials
- Wiring
- Copper with PVC Insulation
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum
- Fuse Box
- Thermoplastic
Features
- Lighting
-
- LED Daytime Running Lights
- Halogen Headlights
- LED Tail Lights
- Automatic Headlight Leveling
- Power Distribution
-
- Central Fuse Box
- Relay System
- Circuit Breakers
- Power Distribution Module
- Charging System
-
- 100 Amp Alternator
- Voltage Regulator
- Battery Sensor
- Safety Systems
-
- ABS Wiring Harness
- Airbag Control Module
- Seatbelt Pretensioner Wiring
- Entertainment
-
- AM/FM Radio Antenna
- Bluetooth Connectivity
- USB Port
Safety Features
- Circuit Protection
-
- Fuses
- Circuit Breakers
- Emergency Features
-
- Hazard Lights
- Emergency Brake Light
- Crash Safety
-
- Impact Sensors
- Airbag Deployment System
Comfort Features
- Climate Control
-
- Automatic Climate Control
- Heated Seats Wiring
- Power Accessories
-
- Power Windows
- Power Door Locks
- Power Mirrors
- Lighting Comfort
-
- Interior Dome Light
- Map Lights
- Ambient Lighting
Accessories
- Audio
-
- Subwoofer Wiring
- Amplifier Kit
- Speaker Wires
- Lighting
-
- Fog Lights
- LED Light Bars
- Interior LED Kits
- Charging
-
- USB Charger Port
- Wireless Charger
- Cigarette Lighter Adapter
Maintenance
- Service interval
-
- Battery Check
- Alternator Belt Inspection
- Fuse Check
- Wiring Harness Inspection
- Ground Connection Check
- Maintenance Notes
-
- Ensure battery terminals are clean and tight
- Inspect for corrosion on wiring
- Check alternator output voltage
Warranty
- Battery Warranty
- 3 years / 36,000 miles
- Alternator Warranty
- 5 years / 60,000 miles
- Electrical System Warranty
- 3 years / 36,000 miles
- Accessory Warranty
- 1 year / 12,000 miles
- Warranty Terms
- Coverage includes defects in materials and workmanship
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Automated Wiring Harness Assembly
- Quality Control Testing
- Environmental Compliance
- Quality Control
- Testing: Voltage Drop Test, Circuit Continuity Test, Load TestingStandards: ISO 9001, ISO 14001
- Sustainability Practices
-
- Recyclable Materials
- Energy-Efficient Manufacturing
- Waste Reduction
- Production Metrics
-
- Annual Output: 500,000 Units
- Defect Rate: < 0.1%
- Energy Usage: 10 kWh per Unit
Service Information for Electrical Service
Maintenance and service requirements specific to the electrical system
- Inspect battery terminals
- Check alternator belt tension
- Test battery voltage
- Inspect wiring harness
- Check fuse connections
Ensure all connections are clean and secure
- Perform alternator output test
- Check ground connections
- Inspect lighting system
- Test ABS wiring
- Inspect airbag system wiring
Use a multimeter for accurate voltage readings
- Replace battery if necessary
- Inspect and clean alternator
- Check all electrical connectors
- Test power distribution module
- Inspect seatbelt pretensioner wiring
Replace any corroded or damaged components
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the electrical system of the 2011-2016 Subaru Impreza compatible with aftermarket accessories?
Is the electrical system of the 2011-2016 Subaru Impreza compatible with aftermarket accessories?
The electrical system of the 2011-2016 Subaru Impreza is designed to support a range of OEM and aftermarket accessories. However, compatibility depends on the specific accessory and its power requirements. Always check the accessory's voltage and current specifications against the vehicle's electrical system, which operates on a 12-volt DC system. Using incompatible accessories can lead to electrical issues or void warranties.
Q2 What are the maintenance requirements for the electrical system?
What are the maintenance requirements for the electrical system?
Regular maintenance of the electrical system includes checking the battery terminals for corrosion, ensuring the alternator is functioning correctly, and inspecting wiring for wear or damage. Replace the battery every 3-5 years and test the charging system annually. Fuses and relays should also be inspected periodically to prevent electrical failures.
Q3 How do I replace the battery in a 2011-2016 Subaru Impreza?
How do I replace the battery in a 2011-2016 Subaru Impreza?
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, securing it with the hold-down clamp. Reconnect the positive terminal first, then the negative terminal. Ensure all connections are tight and corrosion-free.
Q4 What should I do if my Subaru Impreza's electrical components stop working?
What should I do if my Subaru Impreza's electrical components stop working?
If electrical components fail, start by checking the fuses related to the affected system. Replace any blown fuses with the correct amperage. If fuses are intact, inspect the wiring for damage or loose connections. Test the battery and alternator for proper voltage output. If issues persist, consult a professional technician for further diagnosis.
Q5 How can I optimize the electrical system's performance?
How can I optimize the electrical system's performance?
To optimize performance, use high-quality components and ensure all connections are secure and free of corrosion. Upgrade to a higher-capacity battery if using additional accessories. Regularly clean and inspect the alternator and wiring. Avoid overloading the system by limiting the use of high-power accessories simultaneously.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2011-2016 Subaru Impreza Service Manual
Coming SoonComprehensive guide covering electrical system maintenance, troubleshooting, and repair procedures for the 2011-2016 Subaru Impreza.
Technical Service Bulletin: Electrical System Updates
Coming SoonDetails updates and fixes for known electrical system issues in the 2011-2016 Subaru Impreza.
Subaru Impreza Electrical Parts Catalog
Coming SoonCatalog listing OEM and compatible aftermarket electrical parts for the 2011-2016 Subaru Impreza.
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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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