What you should/must know about Audi Electrical System

Audi electrical system is very sophisticated especially with A8 D3. This is how I understand the system.

The electrical system in general includes Alternator, Battery, Power Management System, ECM (Engine Control Module).

A8 D3 energy (power) management control unit A8 D3 j393 Fuse Box Battery Compartment A8 D3 J519 electrical system control module1 A8 D3 J520 electrical system control module 2A8 D3 Relay Fuse Box battery compartment


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