Car Data | Audi A5 Saloon etc Late 2008 -

SmartCAN and ByPass Relay towbar wiring instructions for an Audi A5 Saloon etc Late 2008 -

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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 JR45
Add Fuse
Compatible SmartCAN Module/Kit TF2302, TF2351
CAN HI/LO Location JR45 Control centre
HI/LO Pins/Colours HI Orange/green, LO Orange/brown
Hard Brake Connection JR45 Control panel
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
Likely to display "ECS recode" when module installs. Recode to clear

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

Notes Brake and sidelight issue, Models A4 and Q5. Modulated current on the common sidelight/brake wire can make the brake & side lights come on together. Go to high level brake light and number plate light wires at JR46. Lights may stay on when tailgate is up.
Compatible ByPass Relay TF2218/7 Series
Other Appropriate Relay TF2302. Kit:TF2351
Lights Wire Colours Alternative Location Comment
LH Flasher Black/Blue - JL41 -
Fog Light Grey/White - JL43 -
RH Flasher Black/Green - JR45 -
RH Side Light Grey - JL43 -
Brake Light Grey/Blue - JR45 -
LH Side Light Grey - JL41 -
Reverse Blue - JL43 -
Wiring Diagram