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".

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

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) (Low) ] Vehicle Electrical System Control Module (J519) (Low).

DTC Recognition and Display

The data bus on board diagnostic interface is equipped with OBD.

Use the "Guided Fault Finding" function on the Vehicle diagnostic tester for fault finding.

Replacing the data bus on board diagnostic interface (J533) refer to => [ Data Bus On Board Diagnostic Interface (J533), Replace ] Data Bus On Board Diagnostic Interface (J533), Replace.

Data Bus On Board Diagnostic Interface (J533) , removing and installing, High Version, refer to => [ Data Bus On Board Diagnostic Interface (J533), High Version ] Removal and Replacement.

Coding the data bus on board diagnostic interface (J533) => [ Data Bus On Board Diagnostic Interface (J533), Coding ] Data Bus On Board Diagnostic Interface (J533), Coding.

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

CAN Bus Systems (intended installation list), Adapting, refer to => [ CAN-Bus systems (Intended Installation List), Adapting ] CAN-Bus systems (Intended Installation List), Adapting.