Volkswagen Volkswagen Jetta 2011-2018 Electrical Specifications
Explore the detailed electrical specifications for the 2011-2018 Volkswagen Jetta, including battery, alternator, wiring, and lighting systems. Ideal for maintenance, repairs, and upgrades.
Overview Specifications
This document provides detailed electrical specifications for the 2011-2018 Volkswagen Jetta. It is designed to assist technicians, enthusiasts, and owners in understanding the vehicle's electrical systems, including wiring, battery, alternator, and lighting. Use this guide to troubleshoot, maintain, or upgrade the electrical components of your Jetta. The document is organized into sections for easy navigation and includes a quick reference table for key specifications.
How to Use
Use the search functionality to quickly locate specific terms or components within the document. Enter keywords such as 'battery capacity' or 'alternator output' to find relevant information.
Navigate through the document using the section titles and subsections. Each section is organized by major electrical systems, with detailed points listed under each subsection for easy reference.
Key Specifications
Battery Voltage
12V
Alternator Output
140A
Headlight Wattage
55W
Fuse Ratings
5A-40A
Battery Capacity
70Ah
Available Specifications
Battery and Charging System
This section covers the battery specifications, alternator output, and charging system details for the 2011-2018 Volkswagen Jetta. 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 2011-2018 Volkswagen Jetta. It includes information on voltage, capacity, and maintenance requirements.
Battery Specifications
- Battery type: AGM (Absorbent Glass Mat)
- Voltage: 12V
- Capacity: 70Ah (Amp-hours)
- Cold Cranking Amps (CCA): 640A
- Maintenance-free design
- Replacement interval: Approximately 4-6 years
Alternator Output
- Output: 140A (Amps)
- Voltage regulation: 13.5-14.5V
- Efficiency: 85%
- Belt-driven design
- Compatible with start-stop systems
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.
Headlights
- Low beam: H7 bulb, 55W
- High beam: H15 bulb, 55W
- Daytime Running Lights (DRL): LED
- Automatic headlight control available
- Adaptive headlights optional
Taillights and Brake Lights
- Taillight: LED
- Brake light: LED, 21W
- Turn signal: LED, 21W
- Rear fog light: 21W
- Replacement procedure: Accessible from trunk
Wiring and Fuses
This section outlines the wiring harness, fuse box locations, and fuse ratings for the 2011-2018 Volkswagen Jetta. It includes diagrams and troubleshooting tips.
Wiring and Fuses
This section outlines the wiring harness, fuse box locations, and fuse ratings for the 2011-2018 Volkswagen Jetta. It includes diagrams and troubleshooting tips.
Fuse Box Locations
- Primary fuse box: Located under the dashboard
- Secondary fuse box: Located in the engine bay
- Fuse ratings: 5A to 40A
- Color-coded fuses for easy identification
- Spare fuses included in fuse box
Wiring Harness
- Material: Copper with PVC insulation
- Wire gauge: 0.5mm² to 6mm²
- Connector types: Weatherproof and standard
- Routing: Secured with clips and ties
- Common issues: Corrosion or loose connections
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Component Specifications
Overview
- Type
- 12V DC system
- Configuration
- Negative ground
- Platform
- PQ35 (2011-2014), MQB (2015-2018)
- Material
- Copper wiring, ABS plastic housings
- Location
- Front engine bay, dashboard, and rear trunk
Dimensions
- Battery Length
- 9.45 in (240 mm)
- Battery Width
- 6.89 in (175 mm)
- Battery Height
- 7.48 in (190 mm)
- Alternator Diameter
- 5.12 in (130 mm)
- Alternator Weight
- 8.82 lbs (4 kg)
- Wiring Harness Length
- 196.85 ft (60 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
- ABS plastic
- Alternator Housing
- Aluminum alloy
- Fuse Box
- Thermoplastic
- Connectors
- Nylon with gold-plated contacts
Features
- Lighting
-
- Halogen headlights (standard)
- LED daytime running lights (optional)
- Automatic headlight control
- Rain-sensing wipers with light sensor
- infotainment
-
- Touchscreen display (5.0-6.3 in)
- Bluetooth connectivity
- USB and AUX inputs
- SD card reader
- Safety Systems
-
- Electronic Stability Control (ESC)
- Tire Pressure Monitoring System (TPMS)
- Anti-lock Braking System (ABS)
- Airbag control module
- Climate Control
-
- Automatic climate control (optional)
- Heated seats (optional)
- Rear defogger
- Air conditioning with electric compressor
- Power Management
-
- Start-stop system (optional)
- Battery monitoring system
- Energy recuperation
- Low power mode
Safety Features
- Circuit Protection
-
- Multiple fuse boxes
- Circuit breakers
- Overload protection
- Emergency Features
-
- Automatic hazard lights on impact
- Emergency call system (optional)
- Battery disconnect in crash
- Fire Prevention
-
- Flame-retardant wiring
- Heat-resistant insulation
- Automatic power cut-off
Comfort Features
- Lighting
-
- Ambient interior lighting (optional)
- Automatic dimming rearview mirror
- Puddle lights
- Convenience
-
- Keyless entry
- Push-button start (optional)
- Power windows with one-touch operation
- Audio
-
- 8-speaker sound system
- Subwoofer (optional)
- Noise cancellation
- Climate
-
- Dual-zone climate control (optional)
- Heated steering wheel (optional)
- Rear air vents
Accessories
- Charging
-
- USB charger ports
- 12V power outlet
- Wireless charging pad (optional)
- Lighting
-
- LED interior light kit
- Fog lights
- Trunk light
- Audio
-
- Upgraded amplifier
- Satellite radio
- External microphone
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Battery inspection and cleaning
- Alternator belt tension check
- Fuse inspection
- Wiring harness inspection
- Ground connection check
- Maintenance Notes
- Use only VW-approved electrical components for replacements
Warranty
- Battery Warranty
- Miles: 36,000Years: 3Coverage: Defects in materials or workmanship
- Electrical System Warranty
- Miles: 60,000Years: 5Coverage: Wiring, alternator, and starter
- infotainment Warranty
- Miles: 36,000Years: 3Coverage: Display and control units
- Lighting Warranty
- Miles: 24,000Years: 2Coverage: Headlights and taillights
Production Details
- Manufacturer
- Volkswagen AG
- Manufacturing Process
-
- Automated wiring harness assembly
- Robotic soldering
- Quality testing for each component
- Quality Control
- Testing: High-voltage testing, Vibration testing, Temperature cyclingCertifications: ISO 9001, ISO 14001, ISO 26262
- Sustainability Practices
-
- Recyclable wiring materials
- Lead-free soldering
- Energy-efficient production
- Production Metrics
- Units Per Year: 500,000Defect Rate: 0.01%Energy Consumption: 2.5 kWh per unit
Service Information for electrical Service
Maintenance and service requirements specific to the electrical system
- Inspect battery terminals for corrosion
- Check alternator output voltage
- Test all exterior lights
- Inspect wiring harness for damage
- Verify fuse box integrity
Use a multimeter for accurate voltage readings
- Replace cabin air filter (if equipped with electrical sensor)
- Inspect and clean ground connections
- Test battery capacity
- Check charging system performance
- Inspect all electrical connectors
Perform diagnostic scan for error codes
- Replace battery if necessary
- Inspect and replace alternator belt
- Test all electrical sensors
- Check and update software for control modules
- Inspect and replace worn wiring
Use VW-specific diagnostic tools for software updates
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What electrical components are compatible with the 2011-2018 Volkswagen Jetta?
What electrical components are compatible with the 2011-2018 Volkswagen Jetta?
The 2011-2018 Volkswagen Jetta is compatible with a range of electrical components, including OEM and aftermarket parts. Key components include the alternator (120-150A), battery (H6 or H7 group size), and lighting systems (H7 bulbs for headlights). Ensure compatibility by checking part numbers and consulting the vehicle's manual or a certified technician. Aftermarket parts should meet VW's specifications for voltage, amperage, and fitment.
Q2 What are the maintenance requirements for the electrical system in a 2011-2018 Volkswagen Jetta?
What are the maintenance requirements for the electrical system in a 2011-2018 Volkswagen Jetta?
Regular maintenance of the electrical system includes inspecting the battery terminals for corrosion, checking the alternator's output voltage (13.5-14.5V), and ensuring all fuses and relays are functioning. Replace the battery every 3-5 years and inspect wiring for wear or damage. Follow the owner's manual for specific intervals and consult a technician for advanced diagnostics.
Q3 How do I replace the headlight bulb in a 2011-2018 Volkswagen Jetta?
How do I replace the headlight bulb in a 2011-2018 Volkswagen Jetta?
To replace the headlight bulb, first, ensure the vehicle is off and the headlights are cool. Open the hood and locate the headlight assembly. Remove the dust cover, disconnect the wiring harness, and release the bulb retaining clip. Carefully remove the old bulb (H7 type) and insert the new one, avoiding touching the glass. Reassemble the components and test the headlight.
Q4 What should I do if my 2011-2018 Volkswagen Jetta's electrical system is malfunctioning?
What should I do if my 2011-2018 Volkswagen Jetta's electrical system is malfunctioning?
Start by checking the battery voltage with a multimeter (should be 12.6V when off and 13.5-14.5V when running). Inspect fuses and relays for damage. If issues persist, use a diagnostic scanner to check for error codes. Common problems include faulty alternators, corroded battery terminals, or damaged wiring. Consult a professional for complex issues.
Q5 How can I optimize the electrical performance of my 2011-2018 Volkswagen Jetta?
How can I optimize the electrical performance of my 2011-2018 Volkswagen Jetta?
To optimize electrical performance, ensure the battery is fully charged and terminals are clean. Upgrade to high-quality bulbs for better lighting. Use a battery maintainer if the vehicle is stored for long periods. Regularly inspect the alternator and wiring for wear. Avoid overloading the electrical system with aftermarket accessories that exceed the vehicle's capacity.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2011-2018 Volkswagen Jetta Electrical Service Manual
Coming SoonDetailed guide covering wiring diagrams, component locations, and troubleshooting procedures for the electrical system.
Technical Service Bulletin: Electrical System Updates
Coming SoonSummary of updates and fixes for common electrical issues in the 2011-2018 Volkswagen Jetta.
Volkswagen Jetta Electrical Parts Catalog
Coming SoonComprehensive catalog of OEM and compatible aftermarket electrical parts for the 2011-2018 Jetta.
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