Audi Audi S6 2018-present

Audi Audi S6 2018-present Electrical Specifications

Detailed technical specifications for the electrical system of the 2018-Present Audi S6, including wiring diagrams, fuse layouts, and advanced electrical features like MMI and Virtual Cockpit.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the electrical specifications for the 2018-Present Audi S6, 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 capacity', 'alternator output', or 'fuse ratings'.

Navigate through the electrical documentation sections using the table of contents. Each major section is divided into subsections for detailed technical information.

Key Specifications

Battery Capacity

70Ah

Alternator Output

180A

Main Fuse Rating

150A

Headlight Power

35W

Wiring Harness Length

1.2 km

Available Specifications

Battery and Charging System

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

Battery Specifications

12V AGM battery with a capacity of 70Ah
Cold cranking amps (CCA) of 760A at -18°C
Battery dimensions: 278mm x 175mm x 190mm
Weight: 22.5 kg
Maintenance-free design with integrated charge indicator

Alternator Specifications

Output: 180A at 6000 RPM
Voltage regulation range: 13.5V to 14.8V
Integrated smart charging system for optimized efficiency
Weight: 6.8 kg
Cooling: Air-cooled with internal fan

Note: The alternator output may vary slightly depending on engine load and operating conditions.

Fuse and Relay System

Technical details about the fuse and relay system, including ratings and locations

Fuse Ratings

Main fuse: 150A
Headlight fuses: 15A
Power window fuses: 20A
Audio system fuse: 25A
ECU fuse: 10A

Relay Locations

Relay for fuel pump located in the engine compartment
Relay for cooling fan in the central electrics box
Relay for headlights in the fuse panel under the dashboard
Relay for horn in the engine compartment
Relay for starter motor in the central electrics box

Note: Always refer to the fuse and relay diagram for accurate identification.

Lighting System

Specifications for the exterior and interior lighting systems

Exterior Lighting

LED headlights with adaptive beam technology
Headlight power consumption: 35W per side
Daytime running lights (DRL) power: 10W
Rear LED tail lights with dynamic turn signals
Fog lights: 55W halogen bulbs

Interior Lighting

Ambient lighting with 30 color options
Overhead LED lights: 5W each
Footwell lighting: 3W per side
Trunk lighting: 5W LED
Dashboard backlighting: 2W

Note: Interior lighting settings can be customized via the MMI system.

Wiring and Connectors

Technical details about the wiring harness and electrical connectors

Wiring Harness

Total length of wiring: approximately 1.2 km
Wire gauge: 0.5mm² to 16mm² depending on application
Insulation: High-temperature resistant PVC
Shielding: EMI/RFI shielded for critical circuits
Weight: 12.3 kg

Electrical Connectors

Waterproof connectors for exterior components
Gold-plated terminals for low resistance
Maximum current rating: 30A per pin
Operating temperature range: -40°C to 120°C
Connector types: AMP, Deutsch, and Molex

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: 760A

Part Number: 4M0915105B

Maintenance: Maintenance-free

Replacement interval: 5 years or 60,000 miles

Alternator

Type: Belt-driven

Output: 180A

Voltage: 14V

Part Number: 4M0903151A

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

Efficiency: 85%

Starter Motor

Type: Permanent magnet

Power: 1.4kW

Voltage: 12V

Part Number: 4M0912024C

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

Cranking Speed: 200-300 rpm

Fuse Box

Location: Driver's side dashboard

Fuse Types

Mini
Micro2
Micro3

Fuse Ratings

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

Main Fuse Rating: 150A

Part Number: 4M0937151E

Lighting System

Headlights: Type: LED
Brightness: 3200 lumens
Color Temperature: 5500K
Part Number: 4M0941029A

Taillights: Type: LED
Brightness: 200 lumens
Color Temperature: 3000K
Part Number: 4M0945095B

Fog Lights: Type: Halogen
Brightness: 1200 lumens
Color Temperature: 4300K
Part Number: 4M0941699C

Wiring Harness

Material: Copper with PVC insulation

Wire Gauge

18 AWG
20 AWG
22 AWG

Temperature Rating: 105°C

Part Number: 4M0971337A

Length: Approximately 1500 meters

Sensors

Oxygen Sensor: Type: Wideband
Operating Voltage: 12V
Response Time: 100ms
Part Number: 06E906262C

Crankshaft Position Sensor: Type: Hall effect
Operating Voltage: 5V
Response Time: 50ms
Part Number: 06B905161B

Camshaft Position Sensor: Type: Inductive
Operating Voltage: 12V
Response Time: 75ms
Part Number: 06A906433C

Control Modules

Engine Control Module: Type: ECU
Operating Voltage: 12V
Memory: 2MB
Part Number: 4M0907551A
Operational Temperature Range: -40°C to 85°C

Transmission Control Module: Type: TCU
Operating Voltage: 12V
Memory: 1MB
Part Number: 4M0927156B
Operational Temperature Range: -40°C to 85°C

Body Control Module: Type: BCM
Operating Voltage: 12V
Memory: 512KB
Part Number: 4M0937090C
Operational Temperature Range: -40°C to 85°C

Charging System

Wireless Charging Pad: Type: Qi standard
Power Output: 15W
Compatibility: Qi-enabled devices
Part Number: 4M0035723A

Usb Ports: Type: USB-C
Power Output: 5V/3A
Location: Front console, Rear console
Part Number: 4M0035724B

Diagnostics

Obd2 Port: Location: Driver's side footwell
Protocol: CAN bus
Baud Rate: 500 kbps
Part Number: 4M0937337D

Fault Codes: Standard: ISO 15031-6
Readability: Audi-specific codes, Generic OBD2 codes
Diagnostic Tool: VCDS (VAG-COM Diagnostic System)

Service Information Service

Detailed service requirements and schedules for the electrical system

10,000 miles

12 months

Check battery voltage and charge level
Inspect alternator belt for wear
Test starter motor operation

Ensure all electrical connections are secure and free of corrosion

30,000 miles

36 months

Inspect and clean battery terminals
Check wiring harness for damage
Test all lighting systems

Replace any blown fuses and inspect for potential short circuits

60,000 miles

72 months

Replace battery if necessary
Inspect and test all sensors
Update control module software

Perform a full diagnostic scan to identify any fault codes

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the voltage of the 2018-Present Audi S6's electrical system?

The 2018-Present Audi S6 operates on a 12-volt electrical system. The battery is a 12V AGM (Absorbent Glass Mat) type, typically rated at 70Ah and 760A (EN) cold cranking amps.

What is the alternator output for the Audi S6?

The alternator in the 2018-Present Audi S6 has an output of 180A. This ensures sufficient power for the vehicle's advanced electrical systems, including the MMI (Multi Media Interface) and driver assistance features.

How do I reset the electrical system after a battery replacement?

After replacing the battery, the Audi S6 requires a system reset to ensure proper communication between the battery control module and the vehicle's electrical system. This can be done using the Audi diagnostic tool (ODIS) to register the new battery and reset the energy management system.

What is the fuse rating for the Audi S6's headlights?

The LED headlights in the 2018-Present Audi S6 are protected by 15A fuses. Always refer to the fuse diagram in the owner's manual or service documentation for precise fuse locations and ratings.

Can I upgrade the Audi S6's electrical system for additional accessories?

Upgrading the electrical system for additional accessories is possible but requires careful planning. Ensure the alternator and battery can handle the increased load. Use only genuine Audi parts or approved aftermarket components to avoid voiding the warranty or causing electrical faults.

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 S6 Electrical System Overview

Coming Soon

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

Battery Replacement and Registration Procedure

Coming Soon

Step-by-step instructions for replacing the battery and registering it with the vehicle's energy management system.

Fuse Box Diagram and Specifications

Coming Soon

Comprehensive fuse box diagram with fuse ratings and locations for the 2018-Present Audi S6.

Alternator Testing and Diagnostics

Coming Soon

Guide to testing the alternator and diagnosing common electrical issues in the Audi S6.

About the Author

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