Audi Audi S7 2019-present

Audi Audi S7 2019-present Electrical Specifications

Detailed technical specifications and documentation for the electrical system of the 2019-Present Audi S7, covering wiring diagrams, component details, and diagnostic procedures.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the electrical specifications for the 2019-Present Audi S7, 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 or by scrolling through the document. Each major section is labeled with a title and contains subsections for detailed information.

Key Specifications

Battery Capacity

70 Ah

Alternator Output

180 A

Main Fuse Rating

5 A to 80 A

Wiring Harness Length

1500 meters

Headlight Power Consumption

35 W per side

Available Specifications

Battery and Charging System

Detailed information about the battery specifications, charging system, and related components

Battery Specifications

12V AGM (Absorbent Glass Mat) battery
Capacity: 70 Ah
Cold Cranking Amps (CCA): 760 A
Reserve Capacity: 120 minutes
Battery weight: 22.5 kg

Alternator Specifications

Output: 180 A at 6000 rpm
Voltage: 14.4 V
Efficiency: 85%
Weight: 6.8 kg

Note: The alternator is designed to support the vehicle's high electrical demands, including advanced driver-assistance systems and infotainment.

Fuse and Relay System

Information about the fuse box locations, fuse ratings, and relay configurations

Main Fuse Box

Located in the engine compartment
Contains 40 fuses with ratings from 5 A to 80 A
Includes relays for headlights, cooling fans, and fuel pump
Fuse box cover includes a detailed diagram

Interior Fuse Box

Located under the dashboard on the driver's side
Contains 30 fuses with ratings from 5 A to 30 A
Includes relays for interior lighting, infotainment, and climate control
Fuse box accessible via a removable panel

Wiring and Connectors

Details about the wiring harnesses, connectors, and electrical routing

Wiring Harness Specifications

Total length of wiring: ~1500 meters
Wire gauge range: 0.5 mm² to 16 mm²
Insulation material: Cross-linked polyethylene (XLPE)
Harness weight: 28 kg

Connector Types

Waterproof connectors for exterior components
Gold-plated terminals for low-resistance connections
Modular connectors for easy assembly and disassembly
Color-coded connectors for simplified identification

Note: All connectors meet IP67 standards for dust and water resistance.

Lighting System

Technical details about the exterior and interior lighting systems

Exterior Lighting

LED headlights with adaptive beam technology
Headlight power consumption: 35 W per side
Daytime Running Lights (DRL) power: 10 W
Rear LED taillights with dynamic turn signals

Interior Lighting

Ambient lighting with 30 color options
LED dome light power: 5 W
Reading lights: 2 W per side
Footwell lighting: 3 W per side

Search Specifications

Search by specification name, value, or description

Component Specifications

Battery

Type: AGM (Absorbent Glass Mat)

Voltage: 12V

Capacity: 92Ah

Cold Cranking Amps: 850A

Part Number: 4M0915105A

Maintenance: Maintenance-free

Replacement interval: 5 years or 60,000 miles

Alternator

Type: Belt-driven

Output: 210A

Voltage: 14V

Part Number: 4M0903153B

Efficiency: 85%

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

Starter Motor

Type: Permanent magnet

Power: 1.4kW

Voltage: 12V

Part Number: 4M0912024C

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

Diagnostic Codes

P0615
P0616
P0617

Fuse Box

Location: Driver's side dashboard

Fuse Types

Mini
Micro2
Maxi

Main Fuse Rating: 150A

Part Number: 4M0937127A

Diagnostic Access: Via OBD-II port

Lighting System

Headlights: Type: LED Matrix
Power: 35W
Lumen Output: 3200 lm
Part Number: 4M0941029A

Taillights: Type: LED
Power: 15W
Lumen Output: 1200 lm
Part Number: 4M0945095B

Fog Lights: Type: LED
Power: 25W
Lumen Output: 1500 lm
Part Number: 4M0941697C

Wiring Harness

Material: Copper with PVC insulation

Gauge Range: 0.5mm² to 6.0mm²

Temperature Rating: -40°C to 125°C

Part Number: 4M0971337D

Maintenance: Inspect every 30,000 miles

Sensors

Battery Sensor: Type: Hall Effect
Part Number: 4M0915181E
Operational Range: 8V to 16V
Diagnostic Codes: P0562, P0563

Alternator Sensor: Type: Voltage Sensor
Part Number: 4M0903154F
Operational Range: 10V to 15V
Diagnostic Codes: P0620, P0621

Control Modules

Body Control Module: Part Number: 4M0907063G
Voltage: 12V
Operational Temperature Range: -40°C to 85°C
Diagnostic Codes: U0155, U0156

Engine Control Module: Part Number: 4M0907115H
Voltage: 12V
Operational Temperature Range: -40°C to 125°C
Diagnostic Codes: P0601, P0602

Charging System

Wireless Charging Pad: Power Output: 15W
Compatibility: Qi Standard
Part Number: 4M0910445J
Operational Temperature Range: 0°C to 40°C

Usb Ports: Type: USB-C
Power Output: 5V/3A
Part Number: 4M0910446K
Operational Temperature Range: 0°C to 40°C

Diagnostic System

Obd Ii Port: Location: Under dashboard, driver's side
Protocols: ISO 15765-4 (CAN), ISO 14230-4 (KWP2000)
Part Number: 4M0907381L
Diagnostic Codes: P0001 to P0999, U0001 to U0999

Diagnostic Tool Compatibility

VAS 5054A
ODIS

Service Information Service

Detailed service requirements and schedules for the electrical system

10,000

Inspect battery terminals for corrosion
Check alternator belt tension
Test battery voltage and charging system

Use Audi-approved diagnostic tools for testing

30,000

Inspect wiring harness for wear or damage
Check all fuses and relays
Test all lighting systems

Replace any damaged components with OEM parts

60,000

Replace battery if necessary
Inspect and clean all electrical connections
Perform full diagnostic scan

Ensure all control modules are updated to the latest software version

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the voltage of the 2019-Present Audi S7's electrical system?

The 2019-Present Audi S7 operates on a 12-volt electrical system. The battery is a 12V AGM (Absorbent Glass Mat) type, with a capacity of 70Ah and a cold cranking amperage (CCA) of 760A.

What is the maximum alternator output for the Audi S7?

The Audi S7 is equipped with a high-output alternator rated at 210A. This ensures sufficient power for the vehicle's advanced electrical systems, including the MMI (Multi Media Interface), adaptive lighting, and driver assistance systems.

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

After replacing the battery, the vehicle's electrical system must be reset using the Audi diagnostic tool (ODIS). This ensures proper communication between the battery control module (BCM) and the vehicle's onboard systems. Failure to reset may result in improper charging and system malfunctions.

What is the fuse rating for the Audi S7's headlight system?

The LED headlight system in the Audi S7 is protected by a 15A fuse. For the optional Matrix LED headlights, a 20A fuse is used. Always refer to the fuse diagram in the owner's manual or service documentation for precise details.

Can I install aftermarket electrical components without voiding the warranty?

Installing non-genuine or aftermarket electrical components may void the vehicle's warranty, especially if the installation causes damage to the electrical system. Always consult an authorized Audi service center before making 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 S7 Electrical System Overview

Coming Soon

Detailed guide covering the 12V electrical system, battery specifications, and alternator performance for the 2019-Present Audi S7.

Battery Replacement and Reset Procedure

Coming Soon

Step-by-step instructions for replacing the AGM battery and resetting the electrical system using Audi diagnostic tools.

Fuse and Relay Diagrams

Coming Soon

Comprehensive diagrams and descriptions of fuse and relay locations for the Audi S7's electrical system.

LED and Matrix Headlight Specifications

Coming Soon

Technical specifications and maintenance guidelines for the LED and optional Matrix headlight systems.

About the Author

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