Audi S3 Prestige 2018 Wiring Diagrams PDF | 2.0L TFSI Quattro

The Audi S3 2018 Wiring Diagrams Manual delivers complete factory schematics for the 8V.2 MQB platform equipped with the 2.0L TFSI Quattro engine. Ideal for professional workshops, it provides detailed wiring logic, ECU interconnections, and system-level diagrams identical to those used in Audi service environments.

Systems Covered

• Air Conditioning System (Automatic / Manual) – compressor clutch, blower motor, climate control sensors, and temperature regulators

• ABS / ESP System – hydraulic control unit, wheel speed sensors, and control circuits

• Anti-Theft & Access/Start Authorization – door control modules, immobilizer, and alarm wiring

• Body Control & Comfort Modules – interior lighting, mirrors, windows, and BCM circuits

• CAN & FlexRay Communication Lines – full interconnection of ECUs across drivetrain, chassis, and infotainment networks

• Cooling Fan & Auxiliary Circuits – cooling control, temperature sensors, and fan relays

Technical Highlights

• OEM color-coded circuit diagrams

• Connector terminal IDs and wire color codes

• Ground and power distribution mapping

• CAN and FlexRay data topology diagrams

• Cross-references for HVAC, BCM, and ECU pins

Table of Contents

• Air Conditioning System
   • Automatic and Manual Circuits
   • Sensors, Compressors, and Blower Motors

• ABS / ESP System
   • Hydraulic Unit and Control Module
   • Wheel Sensors and Pressure Switches

• Anti-Theft & Access Authorization
   • Keyless Entry and Immobilizer
   • Door Module and Trunk Release

• Body Control Modules
   • Interior / Exterior Lighting
   • Comfort and Mirror Circuits
   • Steering Column and Control Electronics

• Communication Networks
   • CAN, LIN, and FlexRay Topology
   • Diagnostic Connector and Ground Points

• Cooling and Auxiliary Circuits
   • Radiator Fan and Relay Control
   • Temperature Sensors

File Information

• Format: PDF (Digital Download)

• Language: English

• Pages: 148

⚠️ Notice

Digital delivery only — no physical media is shipped. Ensure Adobe Reader or any modern PDF viewer is installed.