Car Data | Audi A3 2012-

SmartCAN and ByPass Relay towbar wiring instructions for an Audi A3 2012-

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The boxes below show key fitting details Cable entry point, CAN connection details, etc. Alphanumeric references (e.g. A4) refer to the car map at to foot of the page .
Socket cable entry point M60 Grommet
Longer Cable Required? -
Power Source Fusebox.
Constant Live Colour -
Fusebox/Battery Location B9
Add Fuse -
Compatible SmartCAN Module/Kit TF2302. TF2352VW
CAN HI/LO Location In steering column. Also B9 Array, Pos G, Cham 7+8
HI/LO Pins/Colours HI Orange/green, LO Orange/brown
Hard Brake Connection B9 Control centre
Is Data Two Way? Yes
Link to Recode Data VCDS Coding Guide for VAG vehicles
RECODE ADDS: C2 on dash; PDC; TSP; Auto hold brake adjustment

Wire colours and locations, use LED type probe to confirm correct wire in given location.

Notes Wiring: See blue plug below window at 21 on estate
Compatible ByPass Relay TF2218/7 Series
Other Appropriate Relay TF2302. Kit:TF2352
Lights Wire Colours Alternative Location Comment
LH Flasher Black - JL41 -
Fog Light Black/Red - L50 Pink/blue on estate
RH Flasher Black/Green - JR45 -
RH Side Light Do not connect Brake & sides share one wire - See Notes
Brake Light Black/Blue - - -
LH Side Light Do not connect Brake & sides share one wire - See Notes
Reverse Grey/White - L50 -
Wiring Diagram