Subaru Subaru Forester 2014-2018 Electrical Specifications
Explore the detailed electrical specifications for the 2014-2018 Subaru Forester, including battery, alternator, starter motor, and wiring details. Ideal for maintenance, repairs, and upgrades.
Overview Specifications
This document provides a comprehensive breakdown of the electrical specifications for the 2014-2018 Subaru Forester. It is designed to assist technicians, enthusiasts, and owners in understanding the vehicle's electrical systems, components, and key technical details. Use this guide to locate specific information, troubleshoot issues, or gain a deeper understanding of the Forester's electrical architecture. The document is organized into sections for easy navigation and includes a quick reference for key specifications.
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Navigate through the document using the section titles and subsections. Each section provides detailed descriptions and technical points for specific electrical components or systems.
Key Specifications
Battery Voltage
12V
Alternator Output
130A
Headlight Wattage
55W (Low Beam)
Main Fuse Rating
120A
Wiring Gauge
12-18 AWG
Available Specifications
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system components for the 2014-2018 Subaru Forester. It includes details on voltage, capacity, and maintenance requirements.
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system components for the 2014-2018 Subaru Forester. It includes details on voltage, capacity, and maintenance requirements.
Battery Specifications
- 12-volt lead-acid battery
- Group size: 35
- Cold Cranking Amps (CCA): 550
- Reserve Capacity (RC): 100 minutes
Alternator Output
- Output: 130 amps
- Voltage: 14.2-14.8 volts
- Regulator: Built-in
- Belt type: Serpentine
Lighting System
This section provides details on the exterior and interior lighting systems, including headlights, taillights, and interior illumination. It covers bulb types, wattage, and replacement procedures.
Lighting System
This section provides details on the exterior and interior lighting systems, including headlights, taillights, and interior illumination. It covers bulb types, wattage, and replacement procedures.
Headlights
- Low beam: H11 halogen (55W)
- High beam: 9005 halogen (65W)
- LED daytime running lights
- Automatic on/off functionality
Interior Lighting
- Dome light: 8W
- Map lights: 5W
- LED ambient lighting
- Dimmer control included
Electrical Components
This section outlines key electrical components such as fuses, relays, and wiring harnesses. It includes details on their locations, functions, and troubleshooting tips.
Electrical Components
This section outlines key electrical components such as fuses, relays, and wiring harnesses. It includes details on their locations, functions, and troubleshooting tips.
Fuses and Relays
- Fuse box locations: Under dashboard, engine bay
- Relay types: Mini ISO, Micro ISO
- Main fuse rating: 120A
- Circuit protection: Blade fuses
Wiring Harness
- Material: Copper with PVC insulation
- Gauge: 12-18 AWG
- Color-coded for easy identification
- Connector types: Weatherproof
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Component Specifications
Overview
- Type
- 12V Electrical System
- Configuration
- Negative Ground
- Platform
- Subaru Global Platform
- Material
- Copper Wiring
- Location
- Front and Rear of Vehicle
Dimensions
- Battery Length
- 9.5 inches (24.1 cm)
- Battery Width
- 6.9 inches (17.5 cm)
- Battery Height
- 7.6 inches (19.3 cm)
- Alternator Diameter
- 5.9 inches (15 cm)
- Alternator Length
- 7.1 inches (18 cm)
- Fuse Box Length
- 8.3 inches (21.1 cm)
- Fuse Box Width
- 4.7 inches (11.9 cm)
Materials
- Battery Casing
- Polypropylene
- Wiring
- Copper with PVC Insulation
- Alternator Housing
- Aluminum
- Fuse Box
- Thermoplastic
- Connectors
- Brass with Nickel Plating
Features
- Lighting
-
- LED Headlights
- LED Daytime Running Lights
- Automatic Headlight Leveling
- Fog Lights
- Power Distribution
-
- Central Fuse Box
- Relay Control Module
- Smart Alternator Control
- Battery Management System
- Entertainment
-
- 6.2-inch Touchscreen Display
- Safety
-
- ABS Wiring Harness
- Airbag Control Module
- Tire Pressure Monitoring System
- Comfort
-
- Dual-Zone Automatic Climate Control
- Heated Front Seats
- Power Windows with Auto-Up/Down
Safety Features
- Circuit Protection
-
- Fuse Protection
- Circuit Breakers
- Short Circuit Detection
- Battery Safety
-
- Battery Ventilation
- Battery Terminal Covers
- Battery Overcharge Protection
- Wiring Safety
-
- Heat-Resistant Wiring
- Corrosion-Resistant Connectors
- Ground Fault Detection
Comfort Features
- Climate Control
-
- Automatic Temperature Control
- Rear Defogger
- Heated Side Mirrors
- Lighting Comfort
-
- Interior Illumination
- Cargo Area Light
- Vanity Mirror Lights
- Power Management
-
- Keyless Entry
- Power Door Locks
- Remote Start System
Accessories
- Lighting Accessories
-
- LED Interior Light Kit
- Fog Light Covers
- Cargo Area LED Strip
- Power Accessories
-
- 12V Power Outlet Adapter
- USB Charging Port
- Portable Jump Starter
- Audio Accessories
-
- Bluetooth Adapter
- Subwoofer Kit
- Amplifier Wiring Harness
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Battery Terminal Cleaning
- Alternator Belt Inspection
- Fuse Box Check
- Wiring Harness Inspection
- Ground Connection Verification
- Maintenance Notes
- Use only Subaru-recommended parts for electrical system maintenance.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Electrical Components
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Alternator and Starter
- Corrosion Warranty
- Miles: UnlimitedYears: 5Coverage: Battery Terminals and Wiring
- Battery Warranty
- Miles: 36,000Years: 3Coverage: Original Equipment Battery
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Automated Wiring Harness Assembly
- Robotic Soldering
- Quality Control Testing
- Quality Control
- Electrical Testing: 100% Component TestingDurability Testing: High-Temperature and Humidity TestingSafety Testing: Short Circuit and Overload Testing
- Sustainability Practices
-
- Recyclable Wiring Materials
- Energy-Efficient Manufacturing
- Reduced Lead Content in Components
- Production Metrics
- Annual Output: 500,000 UnitsDefect Rate: 0.01%Energy Consumption: 10 kWh per Unit
Service Information for Electrical Service
Maintenance and service requirements specific to the electrical system
- Inspect Battery Terminals
- Check Alternator Output
- Test Fuse Box Connections
- Verify Ground Connections
- Inspect Wiring Harness
Ensure all connections are clean and secure.
- Replace Battery if Needed
- Inspect Alternator Belt
- Test Charging System
- Check Voltage Regulator
- Inspect Starter Motor
Use a multimeter for accurate electrical testing.
- Replace Alternator Belt
- Inspect All Wiring Harnesses
- Test Battery Load Capacity
- Check All Electrical Connectors
- Perform System Diagnostics
Replace any damaged wiring or connectors immediately.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the electrical system specifications for the 2014-2018 Subaru Forester?
What are the electrical system specifications for the 2014-2018 Subaru Forester?
The 2014-2018 Subaru Forester features a 12-volt electrical system with a 12V 55Ah battery. It includes a 130-amp alternator to power the vehicle’s electronics, including the infotainment system, lighting, and climate control. The vehicle is compatible with standard and AGM batteries. Ensure the battery meets Subaru’s specifications for optimal performance and avoid using incompatible chargers or accessories to prevent damage to the electrical system.
Q2 What are the maintenance requirements for the electrical system in a 2014-2018 Subaru Forester?
What are the maintenance requirements for the electrical system in a 2014-2018 Subaru Forester?
Regular maintenance includes checking the battery terminals for corrosion, ensuring the alternator is functioning properly, and inspecting wiring for wear or damage. Battery voltage should be tested every 12 months or as specified in the owner’s manual. Replace the battery every 3-5 years or if it fails load testing. Additionally, inspect fuses and relays during routine service to ensure all electrical components are operating correctly.
Q3 How do I replace the battery in a 2014-2018 Subaru Forester?
How do I replace the battery in a 2014-2018 Subaru Forester?
To replace the battery, first, turn off the engine and remove the key. Open the hood and locate the battery in the engine bay. Disconnect the negative terminal first, followed by the positive terminal. Remove the battery hold-down clamp and carefully lift out the old battery. Place the new battery in the tray, secure it with the clamp, and reconnect the positive terminal first, then the negative terminal. Ensure terminals are tight and free of corrosion.
Q4 What should I do if my Subaru Forester’s electrical system malfunctions?
What should I do if my Subaru Forester’s electrical system malfunctions?
Start by checking the battery voltage and connections for corrosion or looseness. Inspect fuses and relays for damage and replace if necessary. If the alternator is suspected, test its output using a multimeter. If issues persist, scan the vehicle for diagnostic trouble codes using an OBD-II scanner. Common issues include a failing alternator, dead battery, or faulty wiring. Consult a professional mechanic for complex electrical problems.
Q5 How can I optimize the electrical system performance in my 2014-2018 Subaru Forester?
How can I optimize the electrical system performance in my 2014-2018 Subaru Forester?
To optimize performance, use a high-quality battery that meets Subaru’s specifications. Regularly clean battery terminals to prevent corrosion. Minimize parasitic drain by turning off lights and accessories when not in use. Upgrade to LED bulbs for reduced power consumption. Ensure the alternator is functioning correctly and consider using a battery maintainer if the vehicle is stored for extended periods.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2014-2018 Subaru Forester Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 2014-2018 Subaru Forester, including electrical system specifications and procedures.
Technical Service Bulletin: Electrical System Updates
Coming SoonDetails updates and fixes for common electrical system issues in the 2014-2018 Subaru Forester, including alternator and battery-related concerns.
Subaru Forester Parts and Accessories Catalog
Coming SoonCatalog of OEM and aftermarket parts and accessories for the 2014-2018 Subaru Forester, including electrical components like batteries and alternators.
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Technical Information
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