Information Bus: Description and Operation

Data Bus On Board Diagnostic Interface (J533)

The data bus on board diagnostic interface is clipped into the heater bracket inside the footwell on the driver side.

• Additional information:

Refer to the Owner's Manual.

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 Vehicle Diagnostic Tester to be utilized.

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

DTC Recognition and Display

Data Bus On Board Diagnostic Interface (J533) is equipped with On Board Diagnostics (OBD) which assists troubleshooting.

For troubleshooting, use Vehicle Diagnostic Tester in "Guided Fault Finding" mode.