belt AUDI A4 1998 B5 / 1.G Airbag Service Workshop Manual

69-42

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)

Notes:

For vehicles with airbag 8, display will indicate
airbag front and side or airbag front and side
curtain.
Airbag control module can be used for up to
three side-/side curtain airbag and/or belt
tensioner activations.
After the third activation, the DTC "Control
Module Malfunctioning" will appear.
Airbag control module must be replaced:
After driver-side and/or passenger-side airbag
deployment.

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69-45

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: Read Measuring Value Block 1
1
2
3
4

Repair Manual, Body On Board Diagnostic (OBD), Repair Group 01

Rear seat belt tensioners: - Read Measuring Value Block display group 1:
Activated belt tensioners can be identified by "0111" or "too large"
indicated on display.
Read Measuring Value Block 2
1
2
3
4

Repair Manual, Body On Board Diagnostic (OBD), Repair Group 01
- Read Measuring Value Block display group 2:
Activated belt tensioners can be identified by "0111" or "too large"
indicated on display.
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69-46

B - If airbag control module is replaced:

- Check DTC memory:

Repair Manual, Body On Board Diagnostic
(OBD), Repair Group 01


Activated belt tensioners can be identified by the
DTC: "Ignitor for belt tensioner - resistance is too
high"

- If necessary (visual check) also replace: all
damaged components.

Accident without airbag deployment
If airbag Malfunction Indicator Lamp (MIL) -K75-
does not indicate a DTC, then airbag
components do not need to be replaced. Check
seat belts separately.
After replacing airbag units or the control module,
attach label (only tear-off strip) to registration
card and send in registration card.
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69-88


Side curtain protection airbag (sedan),
removing and installing

WARNING!
Follow all safety precautions when working on
airbags page 69
-40
and side curtain airbag
page 69
-49
.
1 -
Side curtain airbag
Removing:
- Remove upper A-pillar trim panel
page 70
-88
.
- Remove upper B-pillar trim without
loosening seat belt page 70
-91
.
- Remove upper D-pillar trim page 70
-
96
.
- Remove bolts - 4 - (2x).
- Unclip side curtain airbag at clip - 3 -.
- Fold front portion of side curtain airbag
toward rear and secure at Velcro strip
(inset). - Disconnect harness connector for side
curtain airbag Fig. 2
.
- Remove bolts - 8 - (2x).
- Remove igniter - 5 - at clip - 7 -.
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69-94


Side curtain protection airbag (Avant),
removing and installing

WARNING!
Follow safety precautions for working on
airbags page 69
-40
and side curtain airbag
page 69
-49
.
1 -
Side curtain airbag
Removing:
- Remove upper A-pillar trim panel
page 70
-88
.
- Remove upper B-pillar trim without
loosening seat belt page 70
-91
.
- Remove upper C-pillar trim page 70
-
106
.
- Remove upper D-pillar trim page 70
-
107
.
- Remove bolts - 4 - (2x).
- Unclip side curtain airbag at clip - 3 -.
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