Audi A8 2003 - Page 110

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The airbag control unit must be replaced:
♦ In the event of driver's/front passenger's airbag triggering
„however not with airbag generation 9.*, 10.* and 8.R“
⇒ page 99
♦ After three side airbag, driver's airbag, front passenger's air‐
bag or belt tensioner triggering operations
♦ If the housing is damaged
♦ In the event of tunnel deformation within a 200 mm radius of
the control unit
Always replace the following:
♦ All airbag units triggered
♦ The battery isolation igniter -N253-
Additionally, if the front passenger's airbag has been triggered:
♦ Dash panel
♦ Deformed supports for front passenger's module (must not be
bent back into shape)
♦ All front airbag sensors at front end
♦ All other lateral acceleration sensors in the event of deforma‐
tion of the anchorage points in the area of the sensors
Additionally, if the driver's airbag has been triggered:
♦ Return ring with slip ring
♦ All front airbag sensors at front end
♦ All other lateral acceleration sensors in the event of deforma‐
tion of the anchorage points in the area of the sensors
Additionally, if the side airbag has been triggered:
♦ Pressure sensors on the side on which triggering has taken
place
♦ Lateral acceleration sensors on the side on which triggering
has taken place
♦ Cover
♦ Padding
♦ Folding rear seat backrest: Side padding (if provided)
♦ All other lateral acceleration sensors in the event of deforma‐
tion of the anchorage points in the area of the sensors
Additionally:
♦ All automatic belt retractors with triggered belt tensioners
♦ All automatic belt retractors with triggered belt force limiters
(depending on equipment)
♦ Buckles for all automatic belt retractors with triggered belt ten‐
sioners
♦ Belt height adjusters (mechanical and electrical) for all auto‐
matic belt retractors with triggered belt tensioners
– If belt tensioner and/or belt force limiter triggering is suspec‐
ted, connect up a vehicle diagnostic tester .
– Check whether a crash entry has been made in the airbag
control unit in the »Guided fault-finding« routine under „15 -
Airbag“.
Audi A8 2003 ➤
General body repairs, interior - Edition 07.2011
100 Rep. gr.69 - Passenger protection