♦ Conversion of diagnostic data from CAN data bus systems to
K lead and visa versa, so that data can be used by vehicle
diagnostic, testing and information system -VAS 5051A- .
If the data bus diagnostic interface -J533- is to be removed, the
procedure ⇒ page 468 must always be performed to read out the
codes stored in the unit.
Fault detection and fault display
The data bus diagnostic interface -J533- is equipped with self-
diagnosis.
For fault finding, use vehicle diagnosis, testing and information
system -VAS 5051B- in „Guided fault finding“ mode.
Additional information:
⇒ Current flow diagrams, Electrical fault finding and Fitting loca‐
tions
⇒ Operating manual
5.2.1 Renewing data bus diagnostic interface
-J533-
Special tools and workshop equipment required
♦ Vehicle diagnosis, testing and information system -VAS
5051B-
Procedure
– Connect vehicle diagnosis, testing and information system -
VAS 5051B- .
– In vehicle diagnosis, testing and information system -VAS
5051B- , select „Guided fault finding“.
– Using GoTo button, select „Functions/component“ and the fol‐
lowing menu options in succession:
♦ Body
♦ Electrical system
♦ 01 - On Board Diagnosis capable systems
♦ Data bus diagnostic interface
♦ Data bus diagnostic interface functions
♦ Renewing data bus diagnostic interface
5.2.2 Removing and installing data bus diag‐
nostic interface -J533- (left-hand drive
vehicle)
The data bus diagnostic interface -J533- is located in the driver's
footwell, on the right, next to the steering column.
Golf Variant 2007 ➤ , Golf Variant 2010 ➤ , Jetta 2005 ➤
Electrical system - Edition 07.2010
468 Rep. gr.97 - Wiring