Audi Audi S3 2013-present

Audi Audi S3 2013-present Electrical Specifications

Detailed technical specifications for the 2013-Present Audi S3 electrical system, including wiring diagrams, fuse layouts, battery details, and advanced systems like ADAS and MMI.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the electrical specifications for the 2013-Present Audi S3, including key features, measurements, and technical details

How to Use

Use the search function to locate specific electrical specifications by entering keywords such as 'battery voltage', 'alternator output', or 'fuse ratings'.

Navigate through the electrical documentation sections using the table of contents or by scrolling through the major sections listed below.

Key Specifications

Battery Voltage

12.6V - 14.4V

Alternator Output

180A at 14.2V

Main Fuse Rating

150A

Headlight Power

55W per side

Wiring Harness Length

12 meters

Available Specifications

Battery and Charging System

Detailed information about the battery specifications, alternator output, and charging system components

Battery Specifications

12V AGM (Absorbent Glass Mat) battery
Capacity: 70 Ah
Cold Cranking Amps (CCA): 760 A
Battery voltage range: 12.6V - 14.4V

Alternator Output

Alternator type: Bosch 180A
Output voltage: 14.2V ± 0.2V
Maximum output current: 180A
Efficiency: 85% at full load

Note: Ensure the alternator belt tension is within 500-600 N for optimal performance.

Fuse and Relay System

Information about fuse ratings, relay locations, and circuit protection

Fuse Ratings

Main fuse rating: 150A
Standard mini fuse ratings: 5A, 10A, 15A, 20A, 25A, 30A
Maxi fuse ratings: 40A, 50A, 60A, 80A
Fuse box locations: Engine compartment and driver-side dashboard

Relay Functions

Starter relay: 12V, 30A
Fuel pump relay: 12V, 20A
Headlight relay: 12V, 15A
Relay box location: Engine compartment

Note: Relays are color-coded for easy identification.

Lighting System

Technical details about the exterior and interior lighting systems

Exterior Lighting

Headlight type: LED with adaptive lighting
Headlight power consumption: 55W per side
Taillight power consumption: 21W per side
Fog light power consumption: 35W per side

Interior Lighting

Dome light: 10W LED
Footwell lighting: 5W LED per side
Ambient lighting: RGB LED with 16 color options
Power consumption for interior lighting: 30W total

Note: Ambient lighting brightness is adjustable via the MMI system.

Wiring and Connectors

Details about wiring harnesses, connectors, and grounding points

Wiring Harness Specifications

Main wiring harness length: 12 meters
Wire gauge range: 0.5 mm² to 16 mm²
Insulation material: Cross-linked polyethylene (XLPE)
Temperature rating: -40°C to 125°C

Connector Types

Waterproof connectors: IP67 rated
Pin count: 2 to 48 pins
Material: High-temperature thermoplastic
Voltage rating: 600V max

Note: Ensure connectors are properly seated to avoid electrical faults.

Search Specifications

Search by specification name, value, or description

Component Specifications

Battery

Type: AGM (Absorbent Glass Mat)

Voltage: 12V

Capacity: 70Ah

Cold Cranking Amps: 680A

Part Number: 000915105DL

Maintenance: Maintenance-free

Replacement interval: 5 years or 60,000 miles

Alternator

Type: Bosch

Output: 180A

Voltage: 14V

Part Number: 06E903023F

Operational Temperature Range: -40°C to 120°C

Efficiency: 85%

Starter Motor

Type: Bosch

Power: 1.4kW

Voltage: 12V

Part Number: 06E911024E

Operational Temperature Range: -40°C to 120°C

Cranking Speed: 120 rpm

Fuse Box

Location: Driver's side dashboard

Fuse Types

Mini
Micro2
Micro3

Main Fuse Rating: 150A

Auxiliary Fuse Rating: 30A

Part Number: 8V0941127A

Diagnostic Note: Use VCDS for fault codes

Lighting System

Headlights: Type: LED
Power: 35W
Lumen Output: 3200 lm
Part Number: 8V0941005A

Taillights: Type: LED
Power: 15W
Lumen Output: 1200 lm
Part Number: 8V0945095B

Fog Lights: Type: Halogen
Power: 55W
Lumen Output: 1500 lm
Part Number: 8V0941699

Wiring Harness

Material: Copper with PVC insulation

Gauge Range: 0.5mm² to 4.0mm²

Temperature Rating: -40°C to 105°C

Part Number: 8V0971334A

Maintenance Note: Inspect for wear and corrosion every 30,000 miles

Sensors

Oxygen Sensor: Type: Wideband
Voltage Range: 0.1V to 1.0V
Part Number: 06E906262B
Operational Temperature Range: -40°C to 800°C

Crankshaft Position Sensor: Type: Hall Effect
Voltage: 5V
Part Number: 06E907407A
Operational Temperature Range: -40°C to 150°C

Camshaft Position Sensor: Type: Hall Effect
Voltage: 5V
Part Number: 06E907407B
Operational Temperature Range: -40°C to 150°C

Control Modules

Engine Control Module: Type: Bosch MED17.1
Voltage: 12V
Part Number: 8V0907115A
Operational Temperature Range: -40°C to 85°C
Diagnostic Note: Use VCDS for fault codes

Transmission Control Module: Type: Bosch
Voltage: 12V
Part Number: 8V0927156A
Operational Temperature Range: -40°C to 85°C
Diagnostic Note: Use VCDS for fault codes

Body Control Module: Type: Bosch
Voltage: 12V
Part Number: 8V0907069A
Operational Temperature Range: -40°C to 85°C
Diagnostic Note: Use VCDS for fault codes

Charging System

Charging Voltage: 14.2V to 14.8V

Charging Current: 180A

Battery Monitoring Sensor: Type: Intelligent Battery Sensor
Part Number: 8V0915181A
Operational Temperature Range: -40°C to 120°C

Diagnostic Note: Check for voltage drops and alternator output

Grounding System

Ground Strap Material: Copper

Ground Strap Gauge: 16mm²

Ground Points

Engine block to chassis
Transmission to chassis
Battery to chassis

Maintenance Note: Inspect and clean ground points every 30,000 miles

Service Information Service

Detailed service requirements and schedules for the electrical system

10,000

Inspect battery terminals for corrosion
Check alternator output voltage
Inspect wiring harness for wear

Use VCDS for system diagnostics

30,000

Test battery capacity
Inspect grounding system
Check all fuses and relays

Replace battery if capacity is below 70%

60,000

Replace battery
Inspect and clean all sensors
Check control module connections

Use OEM parts for replacements

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the voltage of the Audi S3's electrical system?

The Audi S3 utilizes a 12-volt electrical system, with the battery typically rated at 12V and 70Ah. The alternator output is approximately 140A to support the vehicle's electrical demands.

What type of battery is used in the Audi S3?

The Audi S3 is equipped with a maintenance-free AGM (Absorbent Glass Mat) battery, part number 000-915-105-DG, with a capacity of 70Ah and a cold cranking amperage (CCA) of 680A.

How do I reset the battery management system (BMS) after replacing the battery?

After replacing the battery, the BMS must be reset using a diagnostic tool such as VCDS or ODIS. Navigate to the 'Battery Adaptation' module and input the new battery's specifications, including capacity, type (AGM), and serial number.

What is the fuse rating for the Audi S3's headlights?

The low-beam headlights are protected by 15A fuses, while the high-beam headlights use 10A fuses. Always refer to the fuse diagram in the owner's manual or service documentation for precise locations.

Can I upgrade the Audi S3's alternator for higher electrical demands?

Yes, the alternator can be upgraded to a higher-output model, such as a 180A or 200A unit, to support additional electrical accessories. However, ensure compatibility with the vehicle's electrical system and consult an Audi-certified technician.

What is the maximum load capacity for the Audi S3's 12V power outlet?

The 12V power outlet is rated for a maximum load of 120W (10A). Exceeding this limit may cause the fuse to blow or damage the electrical system.

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 S3 Electrical System Overview

Coming Soon

Detailed guide covering the electrical system architecture, including wiring diagrams, fuse layouts, and component locations.

Battery Replacement and BMS Reset Procedure

Coming Soon

Step-by-step instructions for replacing the battery and resetting the Battery Management System (BMS) using diagnostic tools.

Fuse and Relay Layout for Audi S3

Coming Soon

Comprehensive fuse and relay layout diagram with descriptions of each circuit and its corresponding fuse rating.

Alternator Upgrade Guide

Coming Soon

Technical guide for upgrading the alternator to support higher electrical loads, including compatibility and installation instructions.

About the Author

Expert automotive knowledge and experience

ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

Facebook Contact

15+ Years

Experience

500+ Guides

Guides

50+ Makes

Vehicles

1000+ Solutions

Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

ASE Master Technician Certification
Advanced Diagnostic Specialist
Hybrid/Electric Vehicle Systems
Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.

Legal Disclaimer

Important information about using this content

Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.

General Information

The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.

Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.

Technical Information

All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
Vehicle specifications and procedures may vary by model year, trim level, and region.
Always follow the manufacturer's recommended procedures and safety precautions.
Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
If you're unsure about any procedure, consult a qualified professional mechanic.

Intellectual Property

All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.