Volkswagen Golf / Golf GTI / Jetta. Manual — part 806

01-1

On Board
Diagnostic
(OBD)

Tools

Special tools,
workshop
equipment, test
and measuring
appliances and
aux. items
required

V.A.G 1551/3

Cable

V.A.G 1551

Scan tool

VAS 5056B

Test box (not
VAS 5056 as
shown)

VAS 5056/3

Adapter
cable (not
VAS 5056/2
as shown)

On Board Diagnostic (OBD)

13/2/2005

01-2

Scan Tool VAS 5051

On Board Diagnostic (OBD)

13/2/2005

01-3

Scan tool, connecting

All functions, which were previously
performed with the V.A.G 1551 or
V.A.G 1552, can also be performed
with the new Scan Tool VAS 5051 in
the operating mode -vehicle On
Board Diagnostic (OBD).

Check prerequisites:

All fuses according to wiring

diagram OK.

Battery voltage at least 9 V.

- Connect V.A.G 1551 Scan tool

with V.A.G 1551/3 cable.

V.A.G 1551 -GB/7.0-

1.01.1997

Indicated on display:

Display will show the actual

software version installed (will be
shown briefly in display)

On Board Diagnostic (OBD)

13/2/2005

01-4

Note:

If the display remains blank, check V.A.G 1551

voltage supply

Electrical Wiring Diagrams, Troubleshooting &

Component Locations

Additional operating instructions can be

obtained by pressing the V.A.G 1551 Scan Tool
(ST) HELP button.

The

button is used to advance through the

program sequence.

The PRINT button is used for switching on the

printer (warning lamp in button lights up).

and then the following appears in the display:

Rapid data transfer

HELP

Enter address word XX

Indicated on display:

Note:

With the address word 00 the automatic test
sequence is carried out, i.e. the DTC memories of
all systems in the vehicle capable of On Board
Diagnostic (OBD) are checked via the rapid data
transfer.

On Board Diagnostic (OBD)

13/2/2005