A4 Quattro Wagon L4-2.0L Turbo (BPG) (2005)
Repairs and Inspections Required After a Collision: Procedures
Airbag Units, Replacing After an Accident
Airbag Units, Replacing After An Accident
Special tools, testers and auxiliary items required
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Suitable vehicle diagnostic tool, e.g. Vehicle Diagnosis, Testing and Information System VAS 5051 A.
NOTE:
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With the airbag generation 8. * not 8.R, the airbag control module can be used for up to two deployments of side/curtain airbags and/or belt
tensioners.
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Airbag control module can be used with airbag generation 9. * and 9.R for up to two side airbag, side curtain airbag, drivers airbag, passengers
airbag and/or belt tensioner deployments.
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After the third deployment, the malfunction display "Control module defect" appears.
Airbag control module must be replaced:
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If driver/passenger airbag has deployed "does not apply for airbag generation 9.* and 8.R".
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After three deployments of drivers/passengers side/curtain airbags or belt tensioners
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if housing is damaged
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if there is deformation on tunnel in 200 mm circumference around control module
Always replace the following:
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all deployed airbag units
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Battery Switch-off Relay -J655-or Battery Interrupt Igniter -N253-(depending on vehicle equipment).
Also with passenger airbag deployment:
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Instrument panel
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deformed passenger module supports (cannot be reformed)
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all sensors for front airbag on front end
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Remaining cross acceleration sensors if anchorage point is deformed in sensor region
Also with driver airbag deployment:
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Coil connector with slip ring
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all sensors for front airbag on front end
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Remaining cross acceleration sensors if anchorage point is deformed in sensor region
Also with side airbag deployment:
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Pressure sensors on deployed side
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Cross acceleration sensors on deployed side
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Cover
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Upholstery
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with foldable rear seat backrests: Side upholstery
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Remaining cross acceleration sensors if anchorage point is deformed in sensor region
Also with side curtain airbag deployment:
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Cross acceleration sensors on deployed side
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Trim on A-pillar, B-pillar, C-pillar, D-pillar
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Remaining cross acceleration sensors if anchorage point is deformed in sensor region.
In addition:
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all seat belts with triggered belt tensioners