Data Bus on Board Diagnostic Interface, Information Electronics Control Module 1, Diagnostic Connection

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

J533 

Data Bus on Board Diagnostic Interface

J794 

Information Electronics Control Module 1

T2ir 

2-Pin Connector, White

T5af 

5-Pin Connector, Purple

T12i 

12-Pin Connector, Green

T12j 

12-Pin Connector, Gray

T16m 

16-Pin Connector, Black

T32jr 

32-Pin Connector, Black

U31 

Diagnostic Connection

238 

Ground Connection 1 (in Interior Wiring Harness)

286 

Ground Connection 8 (in Interior Wiring Harness)

639 

Ground Connection on Left A-Pillar

A178 

Infotainment CAN Bus High Connection (in Instrument Panel Wiring Harness)

A179 

Infotainment CAN Bus Low Connection (in Instrument Panel Wiring Harness)

* 

Refer to the Applicable Multimedia System Wiring Diagram

*2 

Through July 2020

*3 

From July 2020