Instrument Cluster / Carrier: Description and Operation

Data Bus On Board Diagnostic Interface (J533)

General Information

• Data Bus On Board Diagnostic Interface interlinks the different CAN bus systems in the vehicle.

• It transmits data from, for example, the engine control module (drivetrain CAN bus) to the instrument cluster (instrument cluster CAN bus).

• Fault finding is done in "Guided Fault Finding" using the Vehicle diagnostic tester.