A4 Quattro Sedan V6-2.8L (ACK) (1997)
Repairs and Inspections Required After a Collision: Service and Repair
Air Bag System
Airbag Units, Replacing After An Accident
Accident with activation of airbag and belt tensioners (up to and including airbag 7)
Airbag control module must be replaced after every activation of airbag and belt tensioners
Accident with activation of airbag and belt tensioners (for airbag 8) (integrated as of 10/98)
NOTE:
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For vehicles with airbag 8, display will indicate airbag front and side or airbag front and side curtain.
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Airbag control module can be used for up to three side-/side curtain airbag and/or belt tensioner activations.
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After the third activation, the DTC "Control Module Malfunctioning" will appear.
Airbag control module must be replaced:
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After driver-side and/or passenger-side airbag deployment.
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If housing is damaged.
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If there is a deformation of body channel, within a circumference of 200 mmaround control module.
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After three side-/side curtain airbag deployments.
All models
Always replace any deployed airbag unit and the following
Also replace the following if passenger-side airbag deployed:
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Flap and mounting frame for airbag (do not reshape deformed mounting frames) and instrument panel (if damaged).
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Lateral acceleration sensor (if floor pan in area near sensor is deformed).
Also replace the following if driver-side airbag deployed:
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Spiral spring with slip ring.
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Lateral acceleration sensor (if floor pan in area near sensor is deformed).
Also replace the following if side airbag deployed:
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Lateral acceleration sensor for the deployed side airbag.
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Seatback cushion.
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Backrest cover.
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Lateral acceleration sensor that hasn't been activated (if area near it in floor pan has been deformed).
Also replace the following if side curtain airbag deployed:
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Acceleration sensor for deployed side airbag.
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Molded headliner.
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Trim panels at A-pillar, B-pillar, C-pillar and D-pillar.
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Acceleration sensor that hasn't been activated (if floor pan in area near sensor is deformed).
Also
All seatbelts with activated belt tensioners.
On Board Diagnostic will recognize if belt tensioners have been activated for airbag V, 7 and 8.
A - if airbag control module has been triggered:
Front seat belt tensioners:
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Read Measuring Value Block display group 1:
Read Measuring Value Block 1
->
1 2 3 4
Activated belt tensioners can be identified by "0111" or "too large" indicated on display.
Rear seat belt tensioners:
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Read Measuring Value Block display group 2:
Read Measuring Value Block 2
->
1 2 3 4