Audi RS 3 2018 Wiring Diagrams PDF | 2.5L TFSI Quattro

The Audi RS 3 2018 Wiring Diagrams Manual provides a complete set of factory schematics for the 2.5L TFSI Quattro (DAZA/DAZC engine codes). This technical reference is essential for advanced diagnostics, ECU repairs, retrofits, and electrical maintenance on the MQB platform RS 3.

Systems Covered

• Air Conditioning System (Automatic, 5-section layout) – wiring for compressors, sensors, blend motors, and HVAC controls

• Anti-Lock Brake System (ABS/ESP) – hydraulic control unit, sensors, and control logic circuits

• Anti-Theft & Keyless Access System – access/start authorization, door control modules, alarm sensors, and lock actuators

• Body Control Modules (BCM, Steering Column Control, Lighting Systems) – exterior/interior lights, wiper, and power distribution diagrams

• CAN/FlexRay Communication Network – complete data-bus integration across ECUs including HVAC, ABS, BCM, and infotainment systems

• Cooling Fan and Auxiliary Circuits – radiator fan control, temperature sensors, and coolant circulation schematics

Table of Contents

• Air Conditioning System
   • Automatic A/C (1–5 of 5)
   • Blower motors and actuators
   • Pressure and temperature sensors

• Anti-Lock Braking System
   • Wheel sensors and hydraulic valves
   • ABS/ESP module control

• Anti-Theft & Access Systems
   • Keyless start/stop
   • Door lock control and alarm circuits

• Body Control Modules
   • Steering column electronic systems
   • Lighting and interior control circuits

• Communication Networks
   • CAN, LIN, and FlexRay topology
   • ECU gateway and OBD connector

• Cooling Fan System
   • Radiator fans and relays
   • Temperature sensors and control logic

Technical Highlights

• OEM factory schematics with color-coded lines

• Wire colors, terminal numbers, and connector ID references

• Ground and power distribution tables

• Data bus interconnection map (CAN, LIN, FlexRay)

• Connector pin-outs for major modules (ABS, BCM, ECM, HVAC)

• Fully compatible with ODIS, VCDS, OBDeleven, and other diagnostic software

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.