A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
Side Air Bag: Service and Repair
Airbag Units After an Accident, Replacing
Airbag Units After An Accident, Replacing
NOTE:
-
The control unit for the airbag can be used for up to three side/head airbag and/or belt tensioner deployments.
-
The malfunction display "Control module defective" will appear after third deployment..
Airbag control module must be replaced:
-
If driver/passenger airbag is deployed.
-
After three side and/or head airbag deployments
-
If housing is damaged
-
In the event of tunnel deformation within 200 mm radius of control unit
Always replace the following:
-
All triggered airbag units
Additionally, if front passengers airbag has been triggered:
-
Instrument panel
-
Supports for passengers airbag module which have been bent out of shape (must not be bent back into shape).
-
Both front airbag sensors on front end
-
Lateral acceleration sensor if floor pan around sensor has been deformed
Additionally, if drivers airbag has been triggered:
-
Self-cancelling ring with slip ring.
-
Both front airbag sensors on front end
-
Lateral acceleration sensor if floor pan around sensor has been deformed
Additionally, if side airbag has been triggered:
-
Lateral acceleration sensor on side where airbag has been triggered.
-
With folding backrests: Side padding.
-
Non-triggered lateral acceleration sensor if floor pan around sensor has been deformed.
Additionally, if head airbag has been triggered:
-
Lateral acceleration sensor on side where airbag has been triggered.
-
A, B, C and D-pillar trim
-
Non-triggered lateral acceleration sensor if floor pan around sensor has been deformed
Additionally:
-
All seat belts with triggered belt tensioners
A. Airbag control module triggered:
-
Connect vehicle diagnostic, testing and information system VAS 5051 A and select vehicle system "15. Airbag". For this purpose, the
ignition must be switched on.
Front belt tensioner:
-
Read measured value block, display group 001.
A triggered belt tensioner is indicated by the display "too great".