Subaru Subaru Forester 2009-2013 Electrical Specifications
Explore the complete electrical specifications for the 2009-2013 Subaru Forester, including wiring diagrams, battery capacity, alternator output, and fuse box layouts. Ideal for maintenance, repairs, and upgrades.
Overview Specifications
This document provides detailed electrical specifications for the 2009-2013 Subaru Forester. It is designed to assist technicians, enthusiasts, and owners in understanding the vehicle's electrical systems, including the battery, alternator, wiring, and lighting. Use the search functionality to locate specific terms or navigate through sections to explore detailed information about each component. This guide is a comprehensive resource for troubleshooting, maintenance, and upgrades.
How to Use
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Key Specifications
Battery Voltage
12V
Alternator Output
110A
Headlight Wattage
55W (low beam)
Fuse Ratings
5A-30A
Cold Cranking Amps
550A
Available Specifications
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system details for the 2009-2013 Subaru Forester. It includes information on voltage, capacity, and maintenance tips to ensure optimal performance.
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system details for the 2009-2013 Subaru Forester. It includes information on voltage, capacity, and maintenance tips to ensure optimal performance.
Battery Specifications
- 12-volt lead-acid battery
- Cold Cranking Amps (CCA): 550A
- Reserve Capacity (RC): 100 minutes
- Battery Group Size: 35
- Maintenance-free design
- Replacement interval: 3-5 years
Alternator Specifications
- Output: 110 amps
- Voltage: 14.4V at 2000 RPM
- Belt-driven with automatic tensioner
- Integrated voltage regulator
- 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 for the 2009-2013 Subaru Forester.
Lighting System
This section provides details on the lighting system, including headlights, taillights, and interior lighting. It covers bulb types, wattage, and replacement procedures for the 2009-2013 Subaru Forester.
Exterior Lighting
- Headlights: H11 (low beam), 9005 (high beam)
- Taillights: 7443 (bulb type)
- Fog lights: H11 (bulb type)
- Turn signals: 7440NA (amber)
- Wattage: 55W (low beam), 65W (high beam)
Interior Lighting
- Dome light: 31mm festoon bulb
- Map lights: 168 (bulb type)
- Trunk light: 168 (bulb type)
- LED upgrade options available
- Wattage: 5W (dome light), 3W (map lights)
Wiring and Fuses
This section outlines the wiring harness, fuse box locations, and fuse ratings for the 2009-2013 Subaru Forester. It includes diagrams and troubleshooting tips for electrical issues.
Wiring and Fuses
This section outlines the wiring harness, fuse box locations, and fuse ratings for the 2009-2013 Subaru Forester. It includes diagrams and troubleshooting tips for electrical issues.
Fuse Box Locations
- Main fuse box: Under the hood
- Interior fuse box: Driver's side dashboard
- Spare fuses included in fuse box
- Fuse ratings: 5A to 30A
- Fuse types: Mini, standard, and maxi
Wiring Harness
- Color-coded wiring for easy identification
- Main harness runs along the chassis
- Connectors: Weatherproof and corrosion-resistant
- Ground points: 6 primary locations
- Harness protection: Conduit and loom
Search Specifications
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Component Specifications
Overview
- Type
- 12V DC system
- Configuration
- Negative ground
- Platform
- Subaru Global Platform
- 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
- 6.3 in (160 mm)
- Fuse Box Width
- 8.7 in (220 mm)
- Fuse Box Depth
- 3.9 in (100 mm)
- Wire Gauge Range
- 8 AWG to 22 AWG
Materials
- Battery Case
- Polypropylene
- Alternator Housing
- Aluminum alloy
- Wiring Harness
- Copper with PVC insulation
- Fuse Box
- Thermoplastic
- Connectors
- Nylon with brass contacts
Features
- Lighting System
-
- Halogen headlights
- LED tail lights
- Automatic headlight leveling
- Daytime running lights
- Power Distribution
-
- Centralized fuse box
- Smart alternator control
- Battery management system
- Circuit protection relays
- Charging System
-
- 120A alternator
- Maintenance-free battery
- Battery sensor
- Voltage regulator
- Safety Systems
-
- ABS wiring harness
- Airbag control module
- Seatbelt pretensioners
- Crash sensor wiring
- infotainment
-
- AM/FM radio wiring
- Bluetooth module
- Navigation system wiring
- Steering wheel controls
Safety Features
- Circuit Protection
-
- Main fuse 120A
- Secondary fuses 10A-40A
- Circuit breakers
- Crash Safety
-
- Impact sensor wiring
- Automatic fuel pump cutoff
- Emergency flasher system
- Fire Prevention
-
- Flame-retardant wiring
- Fuse protection
- Heat-resistant insulation
Comfort Features
- Climate Control
-
- Automatic AC wiring
- Heated seat controls
- Rear defogger circuit
- Power Features
-
- Power window motors
- Power door lock actuators
- Power mirror controls
- Lighting Comfort
-
- Dome light delay
- Map lights
- Puddle lights
- Audio Comfort
-
- Steering wheel controls
- USB charging port
- Auxiliary input
Accessories
- Exterior Lighting
-
- Fog light kit
- LED light bar
- Roof-mounted work light
- interior Electronics
-
- Dash cam wiring kit
- USB charger adapter
- Bluetooth hands-free kit
- Performance
-
- High-output alternator
- Upgraded battery
- Performance wiring harness
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Battery terminal cleaning
- Alternator belt inspection
- Fuse box inspection
- Ground connection check
- Wiring harness inspection
- Maintenance Notes
- Use only OEM-specified fuses and relays
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Electrical components
- Powertrain
- Miles: 60,000Years: 5Coverage: Alternator and starter
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Wiring harness
- Battery
- Miles: 36,000Years: 3Coverage: Replacement if defective
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Automated wiring harness assembly
- Robotic soldering
- Precision molding
- Automated testing
- Quality Control
- Voltage Testing: 100% testedContinuity Check: Automated systeminsulation Test: High-voltage check
- Sustainability Practices
-
- Lead-free soldering
- Recyclable 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
- Check alternator output
- Test all fuses
- Inspect wiring harness
- Verify ground connections
Use dielectric grease on all connections
- Load test battery
- Inspect alternator brushes
- Check starter motor
- Test all relays
- Verify charging system
Replace battery if capacity below 70%
- Replace battery
- Inspect all wiring insulation
- Test all ground points
- Verify ECU connections
- Check all lighting circuits
Consider replacing alternator if original
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What electrical components are compatible with the 2009-2013 Subaru Forester?
What electrical components are compatible with the 2009-2013 Subaru Forester?
The 2009-2013 Subaru Forester is compatible with a range of electrical components, including alternators, batteries, and wiring harnesses designed for this model. Ensure compatibility by checking part numbers and specifications, such as voltage (12V) and amperage (e.g., 100-120A for alternators). Always verify fitment with your vehicle's trim level and production year.
Q2 What are the maintenance requirements for the electrical system in a 2009-2013 Subaru Forester?
What are the maintenance requirements for the electrical system in a 2009-2013 Subaru Forester?
Regular maintenance includes inspecting the battery terminals for corrosion, checking the alternator's output, and ensuring all wiring connections are secure. Replace the battery every 3-5 years and test the charging system annually. Follow the owner's manual for specific intervals and consult a professional for complex diagnostics.
Q3 How do I replace the alternator in a 2009-2013 Subaru Forester?
How do I replace the alternator in a 2009-2013 Subaru Forester?
To replace the alternator, disconnect the battery, remove the serpentine belt, and unbolt the alternator. Disconnect electrical connectors and install the new alternator in reverse order. Ensure proper belt tension and reconnect the battery. Refer to the service manual for torque specifications and detailed steps.
Q4 What should I do if my 2009-2013 Subaru Forester's electrical system is malfunctioning?
What should I do if my 2009-2013 Subaru Forester's electrical system is malfunctioning?
Start by checking the battery voltage and connections. Inspect fuses and relays for damage. Use a multimeter to test the alternator and wiring for faults. Common issues include dead batteries, faulty alternators, or corroded connectors. If problems persist, consult a professional technician.
Q5 How can I optimize the electrical performance of my 2009-2013 Subaru Forester?
How can I optimize the electrical performance of my 2009-2013 Subaru Forester?
Optimize performance by upgrading to a high-output alternator, using a high-capacity battery, and ensuring all wiring is in good condition. Regularly clean battery terminals and inspect the charging system. Avoid overloading the electrical system with aftermarket accessories.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2009-2013 Subaru Forester Service Manual
Coming SoonComprehensive guide covering electrical system diagnostics, repairs, and maintenance procedures.
Subaru Technical Service Bulletin: Electrical System Updates
Coming SoonDetails updates and fixes for common electrical issues in the 2009-2013 Forester.
Subaru Forester Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket electrical components for the 2009-2013 Forester.
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Technical Information
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