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5.1.3
Modifying headlight cleaning system
The “active time” of the headlight cleaning system can be variably
adjusted to between 0 and 12.75 seconds.
– Connect the vehicle diagnosis, testing and information system
-VAS 5051A- to
⇒ page 281
– Select “guided fault finding” in Vehicle Diagnosis, Testing and
Information System -VAS 5051A- .
– Using the “Go to” key, select “Function/component selection”
and the following menu items one after the other:
♦ Body
♦ Electrical System
♦ 01 - On Board Diagnostic capable systems
♦ Onboard supply control unit
♦ Onboard supply control unit functions
♦ Modifying headlight cleaning system
5.2
Data bus diagnostic interface -J533-
Note
Additional information:
⇒ Current flow diagrams, Electrical fault finding and Fitting loca‐
tions
⇒ Operating instructions
General description:
The diagnosis interface for data bus -J533- (gateway) is a sepa‐
rate control unit. It has the following functions in the vehicle:
♦ Responsible for exchange of data between CAN data bus sys‐
tems “drive train CAN data bus”, “convenience CAN data bus”
and “Infotainment CAN data bus”
♦ Converts diagnostic data from CAN data bus systems to COM
wire and vice versa. In this way, data can also be used by the
the vehicle diagnosis, testing and information system -VAS
5051A-
Note
If the data bus diagnostic interface -J533- is to be removed, first
carry out the procedure
⇒ “5.2.1 Renewing data bus diagnostic interface J533 ”,
page 295
, so that access can be gained to the codes stored
within.
Fault detection and fault display:
The data bus diagnostic interface -J533- is equipped with self-
diagnosis, which is designed to ease fault finding.
For fault finding, use the vehicle diagnosis, testing and informa‐
tion system -VAS 5051A- in “guided fault finding” mode.
Jetta 2005 ➤ , Bora 2006 ➤
Electrical System - Edition 05.2005
294
Rep. Gr.97 - Wiring