Audi A4: Communication
Audi A4 (B9) 2016-2026 Service Manual / Electrical System / Communication
- Infotainment System
- Sound System
- Antenna Systems
- Telephone System
- Navigation System
- Rearview Camera System
- Multifunction Steering Wheel
- Connection for External Multimedia Devices
- Rear Seat Entertainment System (RSE)
- Peripheral Camera
- Mobile Online Services
READ NEXT:
Overview - Infotainment System
Overview - Infotainment System, MMI Radio Plus, 18E
Information Electronics Control Module 1 -J794- with
integrated CD player/SD card reader in the glove compartment
Multimedia System Control Head
Component Location Overview - Infotainment System
1 - Bracket
2 - Information Electronics Control Module 1 -J794-
Connector assignment. Refer to
→ Wiring diagrams, Troubleshooting & Component locations.
Removing an
SEE MORE:
Overview - Steering Gear
Overview - Steering Gear
1 - Bolt
Replace after removing
Tightening specification -Item 2-
2 - Subframe Crossbrace
Overview. Refer to
→ Chapter "Overview - Subframe".
3 - Steering Gear with Tie Rods
With integrated Power Steering Control Module -J500-
Battery Charger -VAS5900- Support Mode
General Information
The support mode provides the vehicle electrical system with
voltage when the Battery -A- is removed or disconnected.
For more information. Refer to the Battery Charger -VAS5900-
Operating Instructions.
The support mode is used for the following situations:
Vehicle electrical
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