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:
Coolant System/Coolant
Connection Diagram - Coolant Hoses
Connection Diagram - Coolant Hoses, Versions without Parking Heater
Note
Blue = large coolant circuit.
Red = small coolant circuit.
Brown = heating circuit.
Green = coolant circuit for the transmission.
The arrows show the coolant flow direction.
1&
Windshield washer
system
Fig. 163 Motor compartment: washer fluid reservoir cap
The windshield washer reservoir contains the
cleaning solution for the windshield/rear window*
and the headlight washer system. The reservoir capacity
can be found.
To reduce the risk of lime scale deposits on the
spray nozzles, use clean wat
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