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 the Vehicle diagnostic tester 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.

Additional information:

• Refer to the Owner's Manual.

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DTC Recognition and Display

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

Use the Vehicle diagnostic tester under "Guided Fault Finding".

DTC Recognition and Display

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

Use the Vehicle diagnostic tester in "Guided Fault Finding".

Replace the Data Bus On Board Diagnostic Interface (J533) => [ Replacing ] Replacing.

Remove and install the Data Bus On Board Diagnostic Interface (J533) => [ Data Bus On Board Diagnostic Interface (J533) ] Removal and Replacement

Code the Data Bus On Board Diagnostic Interface (J533) => [ Coding ] Coding.

Check the bus activity, refer to => [ Checking Bus Activity ] Checking Bus Activity.

Check the CAN-Bus systems, refer to => [ Checking Bus Participants ] Checking Bus Participants.