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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Accessories & Equipment >> Warning Systems >> Communication (1 Of 2) >> 91 Communication >> External Multimedia Device Connection >> Overview - External Multimedia Device Connection

Overview - External Multimedia Device Connection

There are several versions of the External Audio Source Connection -R199- :

>>USB charge<< and >>USB connection<< are in the USB Connection Baseplate -R193-.

AMI - Audi Music Interface

ASI - Audi Smartphone Integration

From MY 2017, the USB Connection Baseplate -R193- is labeled as the USB Distributor -R293-.

The External Audio Source Connection -R199- is part of the Information Electronics Control Module 1 -J794-.

AMI Component Location - USB Connection Baseplate R193, USB Charging, AUX IN, UE4

Fig 1: AUX IN component location - USB Connection Baseplate -R193-
GWWA91-12026Courtesy of AUDI OF AMERICA, LLC

The connections -1- are located in the center console storage compartment -2-.

External devices can be charged via the USB connection.

AMI Component Location - USB Connection Baseplate R193, USB (quantity: 2), AUX IN, ASI, UI2/UE7, through MY 2016

Fig 2: AMI Component Location - USB Distributor -R293- /USB Connection 1 -U41- /USB Connection 2 -U42-, AUX IN, ASI, UI2/UE7
GWWA91-12615Courtesy of AUDI OF AMERICA, LLC

AMI Component Location - USB Distributor R293 / USB Connection 1 U41 / USB Connection 2 U42, AUX IN, ASI, UI2/UE7, from MY 2017

Fig 3: AMI Component Location - USB Distributor -R293- /USB Connection 1 -U41- /USB Connection 2 -U42-, AUX IN, ASI, UI2/UE7
GWWA91-12615Courtesy of AUDI OF AMERICA, LLC

The interfaces -1- are located in the center console storage compartment.

The USB ports are fully connected. Various devices can be connected.

Suitable adapter cables are needed. Refer to the Owner's Manual.

Fault Finding is performed using the "Guided Fault Finding"  on the Vehicle Diagnostic Tester.