Information Bus: Description and Operation

Data Bus On Board Diagnostic Interface (J533)

General Information

The data bus on board diagnostic interface is designed as a separate control module. It has the following tasks in the vehicle:

• Perform data exchange between CAN-Bus systems "Powertrain CAN-Bus", "Convenience CAN-Bus" and "Infotainment CAN-Bus"

If the data bus on board diagnostic interface is to be replaced, the work procedure => [ Data Bus On Board Diagnostic Interface (J533), Replace ] Data Bus On Board Diagnostic Interface (J533), Replace must be performed to read out the codes stored in the module.

DTC recognition and display

The data bus on board diagnostic interface is equipped with OBD.

Use the Vehicle diagnostic tester in "Guided Fault Finding".