Audi A4: Overview - Navigation System

Overview - Navigation System, MMI Navigation, 7UF

7UF - Navigation

Information Electronics Control Module 1 -J794- with integrated CD player/SD memory card reader/navigation system in the glove compartment

• SD card with navigation data
• Front Information Display Control Head -J685-, display in center of the instrument panel
• Multimedia System Control Head -E380- in the center console, UJ0
• External Audio Source Connection -R199- (USB Charging, AUX IN) in the center console storage compartment, UE4
• Digital Sound System Control Module -J525- in the left rear of the luggage compartment, only 9VS
• Sound system: Standard/Bang & Olufsen, 9VD/9VS
• Radio -R- integrated in the Information Electronics Control Module 1 -J794-, I8S
• Bluetooth hands-free calling, 9ZX
• Voice recognition system, QH1

Optional

• Digital Radio -R147- integrated in the Information Electronics Control Module 1 -J794-, only ER1/ER2 and QV3
• Radio System, Satellite -R146- integrated in the Information Electronics Control Module 1 -J794-, only ER3 and QV3
• Instrument Cluster Control Module -J285-, instrument cluster display, 9S7
• External Audio Source Connection -R199- (USB quantity 2, Aux IN) in the center console storage compartment, UI2/UE7
• Audi phone box, 9ZE
• Audi phone box connect, 9ZE/EL3
• Multifunction Steering Wheel

ASI - Audi Smartphone Integration

1 - GPS Antenna -R50- in the Roof Antenna -R216-

2 - Front Information Display Control Head -J685- Display in Center of the Instrument Panel

3 - Multimedia System Control Head -E380- in the Center Console

4 - Information Electronics Control Module 1 -J794- in the Glove Compartment

5 - Telephone Baseplate -R126-/External Audio Source Connection -R199- in the Center Console Storage Compartment

6 - MOST Bus

7 - Digital Sound System Control Module -J525- in Luggage Compartment on Left Rear Side

8 - TV Tuner -R78- in Luggage Compartment on Rear Right Side

9 - Microphone Unit in Front Roof Module -R164- in the Front Interior Lamp -W1-

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

Repairing antenna wires. Refer to → Chapter "General Repair Information".

Notes on MOST Bus

The optical data bus "MOST Bus" is used in addition to the CAN Bus.

A fiber-optic cable is used. Fiber optic cables are routed inside corrugated tubes for protection.

Replace the complete fiber-optic cable if possible.

The front surface of the connectors must not be contaminated.

If disconnecting the connectors: Attach the Fiber-Optic Repair Set - Connector Protective Caps -VAS6223/9-.

When routing fiber-optic cables, make sure not to go below the minimum bending radius of 25 mm. Do not crush or kink the fiber-optic cables.

Repairing fiber-optic cables. Refer to → Chapter "General Repair Information".

Overview - Navigation System, MMI Navigation Plus, 7UG

7UG - Navigation Plus

Information Electronics Control Module 1 -J794- with integrated DVD player/SD memory card reader/navigation system/HDD in the glove compartment

• Internal hard drive memory (HDD) for storing navigation data and MP3 files
• Front Information Display Control Head -J685-, display in center of the instrument panel
• Multimedia System Control Head -E380- MMI touch in the center console, UJ1
• Instrument Cluster Control Module -J285-, instrument cluster display, 9S7
• External Audio Source Connection -R199- (USB Charging, AUX IN) in the center console storage compartment, UE4
• Digital Sound System Control Module -J525- in the left rear of the luggage compartment, only 9VS
• Sound system: Standard/Bang & Olufsen, 9VD/9VS
• Radio -R- integrated in the Information Electronics Control Module 1 -J794-, I8H
• Bluetooth hands-free calling, 9ZX
• Voice recognition system, QH1

Optional

• Digital Radio -R147- integrated in the Information Electronics Control Module 1 -J794-, only ER1/ER2 and QV3
• Radio System, Satellite -R146- integrated in the Information Electronics Control Module 1 -J794-, only ER3 and QV3
• TV Tuner -R78- in the right rear of the luggage compartment, QU1/QV1
• Instrument Cluster Control Module -J285-, instrument cluster display, 9S8
• External Audio Source Connection -R199- (USB quantity 2, Aux IN) in the center console storage compartment, UI2/UE7
• Audi phone box, 9ZE
• Audi phone box connect, 9ZE/EL3
• Multifunction Steering Wheel

ASI - Audi Smartphone Integration

1 - GPS Antenna -R50- in the Roof Antenna -R216-

2 - Front Information Display Control Head -J685- Display in Center of the Instrument Panel

3 - Multimedia System Control Head -E380- in the Center Console

4 - Information Electronics Control Module 1 -J794- in the Glove Compartment

5 - Telephone Baseplate -R126-/External Audio Source Connection -R199- in the Center Console Storage Compartment

6 - MOST Bus

7 - Digital Sound System Control Module -J525- in Luggage Compartment on Left Rear Side

8 - TV Tuner -R78- in Luggage Compartment on Rear Right Side

9 - Microphone Unit in Front Roof Module -R164- in the Front Interior Lamp -W1-

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

Repairing antenna wires. Refer to → Chapter "General Repair Information".

Notes on MOST Bus

The optical data bus "MOST Bus" is used in addition to the CAN Bus.

A fiber-optic cable is used. Fiber optic cables are routed inside corrugated tubes for protection.

Replace the complete fiber-optic cable if possible.

The front surface of the connectors must not be contaminated.

If disconnecting the connectors: Attach the Fiber-Optic Repair Set - Connector Protective Caps -VAS6223/9-.

When routing fiber-optic cables, make sure not to go below the minimum bending radius of 25 mm. Do not crush or kink the fiber-optic cables.

Repairing fiber-optic cables. Refer to → Chapter "General Repair Information".

READ NEXT: