LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2020 >> Q3 Premium S-Line >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> OEM Wiring Diagrams >> Wiring Diagrams >> Network Data Bus >> Light Switch, Rain/Light Recognition Sensor, Towing Recognition Control Module, Vehicle Electrical System Control Module, Data Bus on Board Diagnostic Interface, Electronic Steering Column Lock Control Module
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Light Switch, Rain/Light Recognition Sensor, Towing Recognition Control Module, Vehicle Electrical System Control Module, Data Bus on Board Diagnostic Interface, Electronic Steering Column Lock Control Module

G00611436Courtesy of AUDI OF AMERICA, LLC

E1 -  Light Switch

G397 -  Rain/Light Recognition Sensor

J345 -  Towing Recognition Control Module

J519 -  Vehicle Electrical System Control Module

J533 -  Data Bus on Board Diagnostic Interface

J764 -  Electronic Steering Column Lock Control Module

T2q -  2-Pin Connector, Black

T2qx -  2-Pin Connector, Black

T3a -  3-Pin Connector, Black

T4l -  4-Pin Connector, Black

T4w -  4-Pin Connector, Red

T10d -  10-Pin Connector, Black

T20a -  20-Pin Connector, Black

T73a -  73-Pin Connector, Black

T73b -  73-Pin Connector, Black

TIL -  Coupling Point in Interior, Left, On the Lower Left A-Pillar

B273 -  Positive Connection (15) (in Main Wiring Harness)

B397 -  Comfort System CAN Bus High Connection 1 (in Main Wiring Harness)

B407 -  Comfort System CAN Bus Low Connection 2 (in Main Wiring Harness)

B698 -  LIN Bus Connection 3 (in Main Wiring Harness)

* -  For Vehicles with Trailer Socket

*2 -  Through October 2018

*3 -  From October 2018