Information Bus: Description and Operation

Data Bus On Board Diagnostic Interface (J533)

• Additional information:

Refer to the Owner's Manual.

Low Version and High Version have data bus on board diagnostic interface (J533).

High Version general description

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 Data Bus On Board Diagnostic Interface is to be replaced, the work procedure to read out the codes stored in the module must always be performed. Refer to => [ Data Bus On Board Diagnostic Interface (J533), Replace ] Data Bus On Board Diagnostic Interface (J533), Replace.

Low Version general description

The data bus on board diagnostic interface is integrated in the Vehicle electrical system control module (J519).

Vehicle electrical system control module, removing and installing, refer to => [ Vehicle Electrical System Control Module (J519) ] Service and Repair.

DTC Recognition and Display

The Data Bus On Board Diagnostic Interface (J533) is equipped with OBD.

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