Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Connecting VAS 5056B Test Box




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.


Connecting test box to driver's airbag components

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







- Connect igniter connector to inert igniter -1- and 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 - Button
3 - Coil connector with slip ring connector

Connecting test box to passenger airbag components







- 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)