Audi Audi A5 2007-2016 Electrical Specifications
Detailed electrical specifications and wiring diagrams for the 2007-2016 Audi A5 (B8 generation). Includes battery, CAN bus, and circuit information for repair, maintenance, and upgrades.
Audi A5 (2007-2016) Electrical Specifications Overview Specifications
This document provides a comprehensive overview of the electrical specifications for the Audi A5 models produced between 2007 and 2016. It includes detailed information on battery, charging, wiring, and lighting systems, as well as key electrical components. Use this guide to identify specifications, troubleshoot issues, and ensure compatibility when upgrading or replacing electrical components.
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Navigate through the document by selecting major sections from the table of contents. Each section contains subsections with detailed specifications and technical points.
Key Specifications
Battery Capacity
70 Ah
Alternator Output
150A
System Voltage
12V
Max Electrical Load
1800W
Fuse Box Locations
3 (Driver, Passenger, Rear)
Available Specifications
Electrical System Overview
This section provides an overview of the Audi A5's electrical system, including the battery, alternator, and wiring harness. It also covers key electrical components and their specifications.
Electrical System Overview
This section provides an overview of the Audi A5's electrical system, including the battery, alternator, and wiring harness. It also covers key electrical components and their specifications.
Battery Specifications
- Battery type: Maintenance-free, lead-acid
- Capacity: 70 Ah (ampere-hours)
- Cold cranking amps (CCA): 650 CCA
- Voltage: 12V
- Recommended replacement interval: 5-7 years
Alternator Specifications
- Alternator type: Belt-driven, internally regulated
- Output: 150A (amps)
- Voltage: 14.5V
- Maximum electrical load capacity: 1800W
- Recommended replacement interval: 80,000 - 100,000 miles
Wiring and Electronics
This section details the wiring harness, fuse boxes, and electronic control units (ECUs) in the Audi A5. It also covers diagnostic interfaces and communication protocols.
Wiring and Electronics
This section details the wiring harness, fuse boxes, and electronic control units (ECUs) in the Audi A5. It also covers diagnostic interfaces and communication protocols.
Wiring Harness
- Wiring harness type: High-durability, shielded cables
- Primary wiring color codes: Black, red, yellow, green, blue
- Secondary wiring color codes: Brown, grey, white, orange
- Connector types: AMP, Tyco, JST
- Harness protection: Thermal and chemical resistant
Fuse Boxes
- Number of fuse boxes: 3 (driver's side, passenger side, rear)
- Fuse types: Blade fuses (ATO/ATC)
- Fuse ratings: 5A, 10A, 15A, 20A, 25A, 30A
- Fuse box locations: Driver's side kick panel, passenger side glove box, rear cargo area
- Fuse diagram: Refer to owner's manual or electrical diagram
Lighting Systems
This section covers the specifications for the Audi A5's lighting systems, including headlights, taillights, and interior lighting.
Lighting Systems
This section covers the specifications for the Audi A5's lighting systems, including headlights, taillights, and interior lighting.
Exterior Lighting
- Headlight type: Bi-Xenon HID (high-intensity discharge)
- Headlight wattage: 35W (low beam), 35W (high beam)
- Taillight type: LED (light emitting diode)
- Taillight power consumption: 0.5W - 1.5W
- Turn signal type: LED
- Fog light type: Halogen
Interior Lighting
- Interior light type: LED
- Interior light power consumption: 0.5W - 1W
- Door puddle light type: LED
- Trunk light type: Halogen
- Ambient lighting: Optional LED ambient lighting package
- Dimming control: Variable resistance
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Component Specifications
Overview
- Type
- CAN Bus System
- Configuration
- 12V Electrical Architecture
- Platform
- Audi A5 (B8)
- Material
- Copper Wiring with Cross-Linked Polyethylene Insulation
- Location
- Central Electrical System
Dimensions
- Battery Length
- 10.25 in (260 mm)
- Battery Width
- 6.75 in (171 mm)
- Battery Height
- 7.5 in (190 mm)
- Alternator Output
- 150A
- Alternator Size
- 7.5 x 5 x 5 in (190 x 127 x 127 mm)
- Wiring Harness Length
- 65 ft (19.8 meters)
- Fuse Box Dimensions
- 6 x 4 x 2 in (152 x 102 x 51 mm)
- Ecu Size
- 8 x 6 x 2 in (203 x 152 x 51 mm)
- Relay Module Size
- 5 x 3 x 2 in (127 x 76 x 51 mm)
- Electrical System Weight
- 45 lbs (20.4 kg)
Materials
- Battery
- Absorbent Glass Mat (AGM)
- Wiring Harness
- Cross-Linked Polyethylene (XLPE)
- Alternator Housing
- Aluminum Alloy
- Fuse Box
- High-Temperature Plastic (PA 66)
- Ecu Casing
- Aluminum Alloy
Features
- Power Management
-
- Energy Recuperation System
- Smart Alternator Control
- Voltage Stabilization
- Load Management
- Lighting
-
- LED Headlights
- Adaptive Headlight Control
- LED Taillights
- Interior Ambient Lighting
- Convenience
-
- Keyless Entry and Start
- Remote Battery Cut-Off
- Digital Instrument Cluster
- Automatic Climate Control
- Safety
-
- Emergency Call System (eCall)
- Battery Monitoring System
- Overvoltage Protection
- Short-Circuit Protection
- infotainment
-
- Audi MMI Infotainment System
- Bluetooth Connectivity
- USB Interfaces
- Voice Command
- Comfort
-
- Heated Seats
- Ventilated Seats
- Climate-Controlled Seats
- Ambient Lighting Control
Safety Features
- Battery Protection
-
- Overcharge Protection
- Deep Discharge Protection
- Thermal Monitoring
- Circuit Protection
-
- Fuse Boxes with High-Rated Fuses
- Relay Modules with Overload Protection
- Circuit Breakers for Critical Systems
- Diagnostics
-
- OBD-II Compliance
- Real-Time System Monitoring
- Fault Code Memory
Comfort Features
- Lighting Control
-
- Ambient Lighting Adjustment
- Automatic Headlight Dimming
- Rain-Sensing Wipers with Light Integration
- Climate Control
-
- 3-Zone Climate Control
- Air Quality Sensor
- Humidity Control
- infotainment Integration
-
- Smartphone Integration
- Wireless Charging
- Voice-Controlled Navigation
- Seat Adjustment
-
- 12-Way Power Seats
- Memory Seats
- Heated Steering Wheel
Accessories
- Charging Accessories
-
- Battery Charger (12V)
- Trickle Charger
- Solar Charger Kit
- Wiring Accessories
-
- High-Quality Cable Harness
- Heat-Shrink Tubing
- Circuit Testing Kit
- interface Accessories
-
- OBD-II Scanner
- CAN Bus Analyzer
- USB Interfaces
Maintenance
- Service interval
- Every 15,000 miles or 12 months
- Service Items
-
- Battery Terminal Cleaning
- Alternator Belt Inspection
- Fuse Box Inspection
- Wiring Harness Check
- ECU Software Update
- Maintenance Notes
- Follow recommended maintenance schedule for optimal performance
Warranty
- Basic Warranty
- Miles: 50000Years: 4Coverage: Electrical Components
- Battery Warranty
- Miles: 100000Years: 8Coverage: Battery and Charging System
- Electrical Component Warranty
- Miles: 50000Years: 4Coverage: Electrical System Components
- Extended Warranty
- Miles: 150000Years: 10Coverage: Extended Electrical System Protection
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- Automated Wiring Harness Assembly
- Robot-Assisted ECU Installation
- High-Voltage Testing
- Quality Control Audits
- Quality Control
- inspection: 100% Electrical System InspectionTesting: Functional Testing of All ComponentsCertification: Compliance with ISO 9001 Standards
- Sustainability Practices
- Recyclable Materials: 90% of Electrical ComponentsEnergy Efficiency: Reduced Power ConsumptionEnvironmental Compliance: EU and EPA Standards
- Production Metrics
- Units Produced: Over 500,000 UnitsProduction Cycle: 24/7 ManufacturingDefect Rate: <1%Warranty Claims: Lowest in Class
Service Information for Electrical System Service
Maintenance and service requirements specific to the electrical system
- Battery Terminal Inspection
- Alternator Belt Check
- Fuse Box Inspection
- Wiring Harness Visual Check
Essential for maintaining electrical system health
- Battery Load Test
- Alternator Output Test
- ECU Software Update
- Circuit Breaker Check
Recommended before extreme weather conditions
- Wiring Harness Integrity Test
- Fuse Replacement (As Needed)
- Lighting System Check
- Power Distribution Unit Inspection
Ensure all electrical components are functioning optimally
- Battery Replacement (If Needed)
- Alternator Replacement (If Needed)
- Complete Electrical System Diagnostic
- Relay Module Check
Critical for long-term system reliability
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the key technical specifications of the electrical system in the 2007-2016 Audi A5?
What are the key technical specifications of the electrical system in the 2007-2016 Audi A5?
The 2007-2016 Audi A5 features a 12-volt electrical system with a maintenance-free battery. It includes advanced components such as a CAN bus system for efficient communication between modules, and optional features like a Bose sound system and Audi adaptive cruise control. The system supports power windows, central locking, and optional xenon headlights. Compatibility with aftermarket accessories should be verified against OEM specifications to ensure functionality.
Q2 What maintenance is required for the electrical system?
What maintenance is required for the electrical system?
Regular maintenance includes checking the battery terminals for corrosion, ensuring all connections are secure, and updating software periodically. Inspect wiring and fuses every 30,000 miles. Replace the battery every 5-7 years. Keep the alternator belt in good condition and ensure all lights function properly. Refer to the service manual for specific schedules.
Q3 How do I install or replace electrical components?
How do I install or replace electrical components?
Start by disconnecting the battery to prevent short circuits. For fuses, locate the appropriate fuse box (passenger side or trunk), remove the fuse using pullers, and insert the new one. When replacing the battery, disconnect the negative terminal first, then the positive, remove the old battery, secure the new one, and reconnect the terminals in reverse order. Always refer to the service manual for specific procedures.
Q4 How do I troubleshoot common electrical issues?
How do I troubleshoot common electrical issues?
Begin with the basics: check fuses and relays. Use a multimeter to test power and ground connections. For issues like faulty lights or accessories, inspect connectors and wiring for damage. Use a fault code reader to diagnose DTCs via the OBD-II port. Consult the repair manual for detailed procedures and possible solutions.
Q5 How can I optimize the electrical system's performance?
How can I optimize the electrical system's performance?
Optimize by using high-quality components and ensuring proper grounding. Keep the battery charged and terminals clean. Consider upgrading to a high-performance alternator if you've added power-draining accessories. Regular software updates can improve system efficiency. Always follow manufacturer guidelines for modifications.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Audi A5 Electrical System Service Manual
Coming SoonComprehensive guide covering electrical system diagnosis, repair, and maintenance procedures.
Audi Technical Bulletin: Electrical System Updates
Coming SoonDetails updates and fixes for known electrical issues in 2007-2016 models.
Audi A5 Parts and Accessories Catalog
Coming SoonCatalog listing compatible electrical parts and accessories for 2007-2016 models.
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Technical Information
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