Audi S2 & RS2 Schematics


This section is almost complete. In time the complete set of S2 / RS2 related wiring diagrams shall be made available here. The links below access the vast majority of this info:


Some useful reference material…

 * Primer document on how to read schematic sheets *

Audi Schematic Symbols & Explanations

3B Engine Component Locations

ABY & ADU Engine Component Locations

Interior Component Locations



Electrics Demystified Guides…

ABY / ADU Wiring Details – every pin – includes corrections on factory ignition wiring (pages 13-16)

NEW - Electric Windows & 1-Touch operation

IMPORTANTHow to retrofit a fuse to the headlight washer circuit (all models)



S2 / RS2 Wiring Diagrams

Audi Coupe S2

Audi 80 S2 Avant

Audi 80 S2 Sedan

Audi RS2 Avant



Wiring Diagrams from other notable Audi petrol engines

NEW - B3 Models (Audi 80/90 from 1987 – 1991 and Coupe from 1988 - 1996)

NEW - B4 Models (Audi 80 Saloon & Avant from 1992 – 1996)




Instructions – Follow the links applicable to the vehicle model and chassis variant, then year of manufacture and engine code.

Last Updated 22nd September 2009