A3 Quattro V6-3.2L (BUB) (2008)
Information Bus: Description and Operation
Data Bus On Board Diagnostic Interface
Data Bus On Board Diagnostic Interface
General Information
‹› Data Bus On Board Diagnostic Interface (J533) interlinks the different CAN bus systems in the vehicle.
‹› It transmits data from e.g. the engine control module (drivetrain CAN bus) to the instrument cluster (instrument cluster CAN bus).
‹› Fault finding is done in "Guided Fault Finding".
‹› Repairing CAN Bus lines => Electrical Equipment - General
Information 97.