Volkswagen Golf / Golf GTI / Jetta. Manual — part 1057

01-136

Data Bus On Board
Diagnostic Interface -J533-
("Gateway") m.y. 2000
through m.y. 2001, On
Board Diagnostic (OBD)

General information

Instrument clusters from m.y. 2000 are

integrated into the "Powertrain" CAN Data
Bus network (may also be know as "CAN-
Bus" or "Data-Bus").

The Data Bus On Board Diagnostic (OBD)

interface -J533- (which is integrated into the
instrument cluster) enables data to be
exchanged between the various CAN-Bus
networks and the Data Link Connector
(DLC) "K-wire".

The Data Bus On Board Diagnostic (OBD)

interface -J533- has specific On Board
Diagnostic (OBD) capabilities via address
word 19 "Gateway", and must always be
coded separately from the instrument cluster

Page 01-149

.

Data Bus On Board Diagnostic Interface -J533- ('Gateway') m.y. 2000 through m.y.

13/2/2005

01-137

Data Bus On Board Diagnostic Interface,
On Board Diagnostic (OBD), initiating
&checking control module versions

Test requirements:

All fuses OK according to wiring diagram

Voltage supply OK (at least 11.5 V).

Scan Tool VAG 1551 or VAG 1552

connected.

Notes:

Connecting Scan Tool

Page 01-1

.

The following description applies only to Scan

Tool VAG 1551.

- Switch on ignition.

- Switch on printer with the PRINT button

(indicator lamp in button lights up).

- Press button -1- to select operating mode 1

"Rapid data transfer".

Rapid data transfer

HELP

Input address word XX

Indicated on display:

- Press buttons -1- and -9- to input "Gateway"

address word 19.

Rapid data transfer

Q

19 - Diagnostic Interface for Data Bus

Indicated on display:

- Press -Q- button to confirm input.

Data Bus On Board Diagnostic Interface -J533- ('Gateway') m.y. 2000 through m.y.

13/2/2005

01-138

Rapid data transfer

Q

Tester sends address word 19

Indicated on display:

6N0909901 Gateway K <->

CAN 0001

Coding 00007

WSC 00000

Indicated on display (example only):

1)

The Data Bus On Board

Diagnostic Inteface -J533- in
instrument cluster is referred to in
the OBD program as "Gateway".

2)

Dependant on the control modules

connected to the CAN Bus network.

Top line:

Part No. of control
module

System designation

(Gateway K <-> CAN)

1)

Software level

Bottom
line:

Coding

2)

Workshop number

- Press

button.

Rapid data transfer

HELP

Select function XX

Indicated on display:

- After the HELP button is pressed,

a list of the possible functions is
printed out.

Data Bus On Board Diagnostic Interface -J533- ('Gateway') m.y. 2000 through m.y.

13/2/2005

01-139

List of available functions

Function

page

01 -

Check Control Module
Versions

Page 01-

137

02 -

Check DTC memory

Page 01-

140

05 -

Erase DTC memory

Page 01-

146

06 -

End Output

Page 01-

148

07 -

Code Control Module

Page 01-

149

08 -

Read Measuring Value
Block

Page 01-

151

Notes:

Press HELP button to print out a complete list

of available functions. This list indicates
function capability of VAG 1551 Scan Tool (ST)
only, and does not necessarily reflect function
capability of vehicle systems equipped with
OBD. For "Gateway" address word 19, do not
attempt to select functions other than those
listed above.

After function is completed and forwarded with

button, VAG 1551 Scan Tool (ST) returns to

following start position:

Rapid data transfer

HELP

Select function XX

Indicated on display:

Data Bus On Board Diagnostic Interface -J533- ('Gateway') m.y. 2000 through m.y.

13/2/2005