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

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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

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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 

 

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Airbag system, On Board Diagnostic (OBD)

13/2/2005

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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