Volkswagen Golf / Golf GTI / Jetta. Manual — part 827

01-85

VAS 5056B test box

It is possible to check the individual components
of the airbag system with test box VAS 5056B
and to check which components are actually
malfunctioning.

Note:

Observe safety measures when working on

airbag.

Repair Manual, Body Interior, Repair Group

69; Airbag; Safety measures when working on
airbag

Connecting test box to driver's airbag
components

Driver's airbag and steering column switch lower
trim removed.

- Connect igniter connector to inert igniter -

separate wiring harness to coil connector with
slip ring. Connect connector -3- from VAS
5056/3 with airbag wiring harness.

1 - Igniter connector on inert igniter

2 - Key

3 - Coil connector with slip ring connector

Airbag system, On Board Diagnostic (OBD)

13/2/2005

01-86

Connecting test box

to passenger airbag
components

Repair Manual, Body

Interior, Repair Group.
68; Compartments,
covers and trims;
removing glove
compartment

- Remove glove

compartment - 10

- Disconnect wiring

harness to airbag
unit and connect
yellow 2-pin
connector of VAS
5056/3 with the
wiring
harness/passenger
side airbag.

1 - Switch

2

-

Connector for
wiring
harness/passenger
side airbag

3 - Glove

compartment

4 - Connector

(without
meaning)

5 - Connector

(without
meaning)

Airbag system, On Board Diagnostic (OBD)

13/2/2005

01-87

Output Diagnostic Test Mode (DTM)

The function "Crash output" is checked with

Output Diagnostic Test Mode (DTM).

When airbags are ignited the central locking is

switched to "unlock", the interior lights are
switched "on" and the engine switched off.

Note:

Before performing the Output Diagnostic Test

Mode (DTM), switch central locking to
"lock" (operate interior lock switch).

Switch interior light switch to position "door

contact".

Start engine.

After completing the Output Diagnostic Test

Mode (DTM) the central locking controls are not
active until the ignition has been switched off
and on again.

- Connecting scan tool

Page 01-3

.

Airbag system, On Board Diagnostic (OBD)

13/2/2005

01-88

Perform function "03 Output
Diagnostic Test Mode (DTM)"

Rapid data transfer

HELP

Select function XX

Indicated on display:

- Press buttons -0- and -3-

Rapid data transfer

Q

03 Output Diagnostic Test Mode (DTM)

Indicated on display:

- Confirm entry with the -Q- button.

Output Diagnostic Test Mode (DTM) -

Crash signal

Indicated on display:

The engine stops, the central locking
must switch to "unlock" and the
interior lights must switch "on".

Output Diagnostic Test Mode (DTM) -

END

Indicated on display:

During test and assembly work
malfunctions can be recognized from
other control modules like e.g. plug
disconnected. Therefore on
completion the DTC memories of all
control modules must be checked
and erased. To do this:

When a control module answers with
its identification the number of stored
malfunctions appears on the display
or "No DTC recognized".

- Press

button.

- Press button -0- twice for address

word "Automatic test sequence"
and confirm entry with -Q- button.
The V.A.G 1551 transmits all
known address words one after
the other.

Airbag system, On Board Diagnostic (OBD)

13/2/2005