OEM factory wiring diagrams for the 2018 Audi A7 3.0L TFSI Quattro. Includes full electrical schematics, connector locations, module data lines, and system communication layouts for accurate diagnostics and repairs.
The Audi A7 2018 Wiring Diagrams Manual delivers complete factory schematics covering the C7.5 (Typ 4G8) A7 Quattro Prestige 3.0L TFSI configuration. This technical reference outlines every circuit, from body electronics to high-level data lines, providing the same detail used by OEM technicians and service engineers.
Systems Covered
Air Conditioning System (Automatic & Comfort Circuits) – all HVAC sensors, blowers, and temperature control motors
Anti-Lock Braking System (ABS/ESP) – wheel sensors, hydraulic unit, and electronic control integration
Anti-Theft & Central Locking – immobilizer, door modules, KESSY access/start system, and alarm circuits
Active Bodyworks System – rear spoiler, actuator motors, and control module wiring
Body Control Modules (BCM2, J519) – interior and exterior lighting, comfort access, steering column electronics
Computer Data Lines (CAN, LIN, FlexRay) – complete communication map linking all ECUs and control modules
Hybrid & Auxiliary Systems – cooled/heated cupholder circuits and rear A/C subsystems
Table of Contents
Active Bodyworks System
• Rear Spoiler Control Module
• Adjustment Switch and Motor AssemblyAir Conditioning System
• Basic Circuits (1–3)
• Comfort Circuits (1–3)
• Temperature Sensors and Door MotorsCup Holder and Rear A/C Circuits
• Heated & Cooled Cupholder
• Rear A/C Control and Vent Temperature SensorsAnti-Lock Braking System (ABS/ESP)
• Hydraulic Unit and Wheel Sensors
• Control Module and Data LinesAnti-Theft / Central Locking System
• Door Modules and Lock Control Units
• Keyless Access, Immobilizer, Alarm
• Tailgate Lock and Rear Access SensorsBody Control Modules
• Comfort System Central Control
• Steering Column Electronics
• Vehicle Electrical System ControllerComputer Data Lines
• CAN, LIN, FlexRay Topology
• ECU Interconnections
• Diagnostic Gateway
Technical Highlights
OE-accurate wire colors, circuit IDs, and terminal references
Detailed ground and splice point indexing
Data bus overview for CAN-Powertrain, CAN-Infotainment, and CAN-Convenience networks
Includes Active Aerodynamics (Rear Spoiler) wiring diagrams
Supports advanced diagnostics via ODIS, VCDS, OBDeleven, or similar tools
File Information
Format: PDF (Digital Download)
Language: English
Pages: 157
⚠️ Notice
Digital delivery only — no physical media is shipped. Ensure Adobe Reader or any modern PDF viewer is installed.






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