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"

• Transfers diagnostic data of CAN-Bus systems onto K-wire and vice-versa, allowing the data from Vehicle Diagnosis, Testing and Information System (VAS 5051B) to be utilized

If Data Bus On Board Diagnostic Interface is to be removed, the work procedure to read out the codes stored in the module must always be performed. Refer to=> [ Replacing ] Replacing.

DTC Recognition and Display

The Data Bus On Board Diagnostic Interface is equipped with OBD.

Use the Vehicle Diagnosis, Testing and Information System (VAS 5051B) under "Guided Fault Finding".

Additional information:

Refer to the Owner's Manual.