Car Wiring Diagrams for Most data bus circuit for Audi A4 B9 facelift (2019-2024)

BOTTOM COUPLING POINT ON LEFT A-PILLAR CENTER COUPLING POINT IN INTERIOR EARLY PRODUCTION GRN WIRE GRN/VIO WIRE INFORMATION ELECTRONICS CONTROL MODULE 1 INSTRUMENT CLUSTER CONTROL MODULE LATE PRODUCTION TV TUNER (IF EQUIPPED)