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:
Upper Control Arm, Removing and Installing
Special tools and workshop equipment required
Vehicle Diagnostic Tester
Torque Wrench 1331 5-50Nm -VAG1331-
Torque Wrench 1331 Insert - Ring Wrench - 16mm -VAG1331/12-,
not illustrated
Torque Wrench 1332 40-200Nm -VAG1332-
Engine and Gearbox Jack -VAS6931-
Engine/Gearbox Jack Adapter - Wheel
Refresh Charging with Battery Charger -VAS5903-
WARNING
Risk of injury. Follow all warning messages and
safety precautions. Refer to
→ Chapter "Warnings and Safety Precautions".
WARNING
Do not check or charge a Battery -A- when the visual
indicator has "no color or is
bright yellow". Jump starting must not be used!
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