Information Bus: Description and Operation

Data Bus On Board Diagnostic Interface (J533)

• The on board diagnostic interface is clipped into the heater bracket inside the driver footwell. Refer to => [ Data Bus On Board Diagnostic Interface (J533) ] Service and Repair.

• Additional information:

Refer to the Owner's Manual.

The Data Bus On Board Diagnostic Interface (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 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.

DTC Recognition and Display

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

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