Audi Audi RS3 2017-present

Audi Audi RS3 2017-present Electrical Specifications

Comprehensive technical guide for the electrical system of the 2017-Present Audi RS3, covering wiring, diagnostics, and component specifications.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the electrical specifications for the 2017-Present Audi RS3, 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 using the table of contents or section headers to find detailed information on specific components and systems.

Key Specifications

Battery Voltage

12 V

Alternator Output

180 A

Fuse Rating Range

5 A to 40 A

Headlight Lumen Output

2000 lm (Low Beam)

Audio System Power

705 W

Available Specifications

Battery and Charging System

Detailed information on the battery, alternator, and charging system specifications for the Audi RS3.

Battery Specifications

12V AGM (Absorbent Glass Mat) battery
Capacity: 70 Ah
Cold Cranking Amps (CCA): 760 A
Battery dimensions: 278 mm x 175 mm x 190 mm
Weight: 22.5 kg

Alternator Specifications

Output: 180 A at 6000 rpm
Voltage: 14 V
Belt type: Poly-V belt
Cooling: Air-cooled
Weight: 5.8 kg

Note: Ensure the alternator belt is properly tensioned to prevent slippage and ensure optimal performance.

Fuse and Relay System

Comprehensive details on the fuse and relay system, including ratings and locations.

Fuse Box Locations

Main fuse box: Located in the engine compartment
Secondary fuse box: Located under the dashboard
Additional fuse box: Located in the trunk
Fuse ratings range: 5 A to 40 A
Total number of fuses: 48

Relay Specifications

Relay type: 12V mini ISO relays
Current rating: 20 A to 30 A
Relay locations: Integrated within fuse boxes
Common relays: Fuel pump, headlights, cooling fan
Relay lifespan: Typically 100,000 cycles

Note: Always replace relays with the same specifications to avoid electrical system malfunctions.

Lighting System

Detailed specifications for the exterior and interior lighting systems.

Exterior Lighting

Headlights: LED with adaptive beam control
Low beam: 25 W, 2000 lm
High beam: 30 W, 2500 lm
Fog lights: LED, 15 W, 1200 lm
Rear lights: Full LED with dynamic turn signals

Interior Lighting

Dome light: LED, 5 W, 300 lm
Footwell lighting: LED, 1 W, 50 lm
Ambient lighting: RGB LED, adjustable brightness
Trunk light: LED, 3 W, 200 lm
Glove box light: LED, 1 W, 50 lm

Note: LED lights are more energy-efficient and have a longer lifespan compared to traditional bulbs.

Infotainment and Connectivity

Technical details on the infotainment system and connectivity features.

Infotainment System

Display: 10.1-inch MMI touchscreen
Resolution: 1920 x 720 pixels
Processor: NVIDIA Tegra 30
Audio system: Bang & Olufsen, 14 speakers, 705 W
Navigation: GPS with real-time traffic updates

Connectivity Features

Bluetooth: 5.0 with A2DP and aptX support
Wi-Fi: 802.11ac, dual-band
USB ports: 2 x USB-C, 3.1 Gen 1
Wireless charging: Qi standard, up to 15 W
Apple CarPlay and Android Auto support

Note: Ensure the vehicle's software is up to date to maintain compatibility with the latest devices and features.

Search Specifications

Search by specification name, value, or description

Component Specifications

Battery

Type: AGM (Absorbent Glass Mat)

Voltage: 12 V

Capacity: 70 Ah

Cold Cranking Amps: 760 A

Part Number: 8S0915105B

Maintenance: Maintenance-free

Replacement interval: 5 years or 60,000 miles

Alternator

Type: Bosch

Output: 180 A

Voltage: 14 V

Part Number: 8S0903131A

Efficiency: 85%

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

Starter Motor

Type: Bosch

Power: 1.4 kW

Voltage: 12 V

Part Number: 8S0911024C

Operating Temperature Range: -40°C to 150°C

Replacement interval: 10 years or 120,000 miles

Fuse Box

Location: Driver's side dashboard

Fuse Types

Mini
Micro2
Maxi

Fuse Ratings

5 A
7.5 A
10 A
15 A
20 A
25 A
30 A
40 A

Part Number: 8S0941153A

Maintenance: Inspect every 20,000 miles

Lighting System

Headlights: Type: LED
Power: 35 W
Lumen Output: 3200 lm
Part Number: 8S0941029A

Taillights: Type: LED
Power: 15 W
Lumen Output: 800 lm
Part Number: 8S0945095B

Fog Lights: Type: Halogen
Power: 55 W
Lumen Output: 1500 lm
Part Number: 8S0941699A

Wiring Harness

Material: Copper

insulation: PVC

Temperature Rating: -40°C to 105°C

Part Number: 8S0971200A

Maintenance: Inspect every 30,000 miles

Sensors

Oxygen Sensor: Type: Heated Zirconia
Part Number: 06E906262C
Operating Temperature Range: -40°C to 900°C
Replacement interval: 100,000 miles

Crankshaft Position Sensor: Type: Magnetic
Part Number: 06B905161B
Operating Temperature Range: -40°C to 150°C
Replacement interval: 100,000 miles

Camshaft Position Sensor: Type: Hall Effect
Part Number: 06E905161C
Operating Temperature Range: -40°C to 150°C
Replacement interval: 100,000 miles

Control Modules

Engine Control Module: Type: Bosch MED17
Part Number: 8S0907115B
Operating Voltage: 9 V to 16 V
Operating Temperature Range: -40°C to 85°C

Transmission Control Module: Type: Bosch
Part Number: 8S0927156A
Operating Voltage: 9 V to 16 V
Operating Temperature Range: -40°C to 85°C

Body Control Module: Type: Bosch
Part Number: 8S0937089C
Operating Voltage: 9 V to 16 V
Operating Temperature Range: -40°C to 85°C

Charging System

Charging Voltage: 14.2 V to 14.8 V

Charging Current: Up to 180 A

Alternator Belt Tension: 500 N to 600 N

Part Number: 8S0903131A

Maintenance: Inspect every 20,000 miles

Diagnostic System

Diagnostic Port: Type: OBD-II
Location: Driver's side footwell
Protocols: ISO 15765-4 (CAN), ISO 14230-4 (KWP2000), ISO 9141-2

Scan Tool Compatibility

VCDS
ODIS
Generic OBD-II scanners

Fault Code Clearing: Manual or via scan tool

Service Information Service

Detailed service requirements and schedules

10,000

Inspect battery terminals and connections
Check alternator output
Inspect wiring harness for damage

Ensure all electrical connections are secure and free of corrosion

20,000

Test starter motor performance
Check fuse box for blown fuses
Inspect lighting system for functionality

Replace any faulty fuses or bulbs as necessary

30,000

Inspect and clean all sensors
Check control module connections
Test diagnostic system functionality

Use a scan tool to verify sensor and control module operation

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the battery capacity of the 2017-Present Audi RS3?

The Audi RS3 is equipped with a 12V lithium-ion battery with a capacity of 70Ah. This battery supports the vehicle's electrical systems, including the start-stop function and energy management.

What type of alternator is used in the Audi RS3?

The Audi RS3 uses a high-efficiency 180A alternator with integrated smart charging technology. It ensures optimal power supply to the vehicle's electrical systems, including the advanced driver assistance systems.

What is the voltage rating for the Audi RS3's electrical system?

The electrical system operates at a standard 12V rating, with a tolerance range of 11.5V to 14.5V to ensure stable performance across various conditions.

How does the Audi RS3 manage its electrical load?

The Audi RS3 employs an intelligent energy management system that dynamically allocates power based on demand. It prioritizes critical systems such as safety and navigation while optimizing energy usage for auxiliary systems.

What are the safety precautions for handling the Audi RS3's electrical system?

Always disconnect the battery before performing any electrical work. Use insulated tools and wear protective gear to prevent short circuits and electrical shocks. Refer to the official service manual for detailed procedures.

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 RS3 Electrical System Overview

Coming Soon

Comprehensive guide detailing the electrical architecture, components, and specifications of the Audi RS3.

Battery Maintenance and Replacement Procedures

Coming Soon

Step-by-step instructions for maintaining and replacing the Audi RS3's lithium-ion battery, including safety precautions.

Alternator Troubleshooting Guide

Coming Soon

Diagnostic procedures and troubleshooting tips for the Audi RS3 alternator to ensure optimal performance.

Energy Management System Documentation

Coming Soon

Technical documentation on the Audi RS3's energy management system, including operational parameters and optimization tips.

About the Author

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Alan Montanye

Automotive Technical Specialist

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