Audi A4: Electrical System
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
- Electrical Equipment General Information
- Battery, Starter, Generator, Cruise Control
- Windshield Wiper/Washer System
- Exterior Lights, Switches
- Interior Lights, Switches
- Wiring
- Radio Installation Instructions
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
SEE MORE:
Hinge, Resetting
To complete the procedure, a second technician is required to be at the
following position.
NOTICE
Risk of damaging the hood by opening when the pedestrian
protection is triggered.
- Only open the hood after the triggered pedestrian
protection has been reset.
- Use tape to pr
Additional Safety Precautions for Airbag Control Module
WARNING
After every removal and installation of the Airbag
Control Module -J234-, the "inertial sensor basic
setting" must be performed.
If the Airbag Control Module -J234- is replaced with a
new part, the basic setting is performed when
implementing the "15 - Replace airbag control
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