Jetta SportWagen L5-2.5L (CBUA) (2009)
Wiring Harness: Description and Operation
Data Bus On Board Diagnostic Interface
General Information
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 the Vehicle Diagnosis, Testing and Information
System (VAS 5051A) to be used
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 --> [ Data Bus On Board Diagnostic Interface, Coding ] See: Powertrain Management/Computers and Control Systems/Information
Bus/Testing and Inspection/Programming and Relearning.
DTC recognition and display
The Data Bus On Board Diagnostic Interface is equipped with OBD.
Use the "Guided Fault Finding" operating mode on the for fault finding.