Information Bus: Description and Operation

Data Bus on Board Diagnostic Interface

• Additional information:

318Golf 2004

319Golf 2004 - Electrical System



=> 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 diagnostic operation system (VAS 5051A) to be utilized

• If Data Bus On Board Diagnostic Interface (J533) is to be removed, the work procedure to read out the codes stored in the module must always be performed. Refer to => [ Vehicle Electrical System Control Module, Coding ] Testing and Inspection.

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, Testing and Information System (VAS 5051A) in operating mode " Guided Fault Finding".