Wiring Harness: Description and Operation

Data Bus On Board Diagnostic Interface

General Information

The Data Bus On Board Diagnostic Interface (J533) (Gateway) 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 the Vehicle Diagnosis, Testing and Information System (VAS 5051A) to be used

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 --> [ Data Bus On Board Diagnostic Interface, Coding ] Programming and Relearning.

DTC recognition and display

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

Use the "Guided Fault Finding" operating mode on the for fault finding.