Auxiliary Battery, Data Bus On Board Diagnostic Interface

Courtesy of AUDI OF AMERICA, LLC

A1 

Auxiliary Battery Type:BT, Slpdok:, Aim:BTA1

J533 

Data Bus on Board Diagnostic Interface Type:BT, Slpdok:, Aim:BTJ533

T6bu 

6-Pin Connector, Black

T54 

54-Pin Connector, Black

624  Ground Connection near Starter Battery Type:VB, Slpdok:, Aim:VB624

B383  Powertrain CAN Bus High Connection 1 (in Main Wiring Harness)

B390  Powertrain CAN Bus Low Connection 1 (in Main Wiring Harness)