lock AUDI A4 1999 B5 / 1.G Airbag Service Workshop Manual

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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69-51


Airbag component locations, overview

Repair Manual, Body On Board Diagnostic
(OBD), Repair Group 01
1 -
Driver-side airbag unit
Removing m.y. 1998 page 69
-53
Removing m.y. 1998 page 69
-54
2 -
Driver-side airbag unit (sport steering
wheel)
Removing m.y. 1998 page 69
-58
Removing m.y. 1998 page 69
-61
3 -
Airbag control module -J234-
Removing and installing page 69
-74
4 -
Passenger-side airbag unit
Removing page 69
-70
Locking and activating (adaptation)
5 -
Seat occupant sensor
Removing and installing page 69
-83
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69-84

- When installing, make sure bar -2- points toward
tunnel.

- After installing sensor mat, test sensor mat
function using VAG1551 Scan Tool (ST) page
69
-84
.

Testing sensor mat function

Note:
Illustration is shown without cover.

- Remove any seat mats before testing sensor
mats.

- Connect
VAG1551
scan tool
Repair Manual, Body
On Board Diagnostic (OBD), Repair Group 01
.

-
Select
Read
Measuring
Value
Block
(function
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08) and
input
display
group
number
003
Repair Manual, Body
On Board Diagnostic (OBD), Repair Group 01
.
Read Measuring Value Block number 2 for seat
occupant sensor passenger side indicates: not
occupied.

Note:
If "occupied" is indicated, even though you are not pressing sensor group,
either the sensor mat is malfunctioning or the seat cover is too tight. - Test each sensor group by pressing on them with your hand until
display changes from "not occupied" to "occupied" (max. load 12 kg).
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69-90


2 -
Grip handle adapter
3 -
Clip
4 -
Bolts (2x)
4 Nm (35 in. lb)Self-lockingAlways replaceAlways clean threaded holes for drive
flange bolts (e.g. using tap)
5 -
Igniter
6 -
Side curtain airbag harness connector
7 -
Clip
8 -
Bolts (2x) 4 Nm (35 in. lb)Self-lockingAlways replaceAlways clean threaded holes for drive
flange bolts (e.g. using tap) Use VAS5 122 and VAG 1783
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69-93


The procedure is the same at the front and the rear.
Notes:
Repair Manual, Body On Board Diagnostic (OBD), Repair Group 01
Fig. 5 Mounting side curtain airbag at roof grab handle
- Insert pre-assembly clip -A- into mounting point -C-.
- Insert pins -B- in mounting points -D-.
- Twist-securing seam -E- must face center of vehicle.
1 - Side curtain airbag
2 - Grip handle adapter, delivery casing airbag
After reconnecting the battery, check and activate the vehicle's
electrical equipment (radio, clock, window regulators) according to the
repair manual and/or Owner's Manual. If the airbag Malfunction Indicator Lamp (MIL) -K75- indicates a
malfunction, the DTC memory must be erased and then checked
again using the VAG1551 scan tool.
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69-96


WARNING!
Make sure the passenger compartment is not
occupied before connecting the battery Ground
(GND) strap. - Release front portion of airbag - 1 - and
fold it back to A-pillar, during this, twist-
securing seam -A- must face center of
vehicle.
- Clip in side curtain airbag using clip - 3 -
Fig. 4
.
- Install bolt -4- Fig. 3
.
- Remainder of installation is in reverse
order of removal
- Switch ignition on.
- Connect battery.
2 -
Grip handle adapter
3 -
Clip
4 -
Bolts (2x)
4 Nm (35 in. lb)Self-lockingAlways replaceAlways clean threaded holes for drive
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69-97


5 -
Igniter
6 -
Side curtain airbag harness connector
7 -
Retaining tab
8 -
Bolts (2x)
4 Nm (35 in. lb)Self-lockingAlways replaceAlways clean threaded holes for drive
flange bolts (e.g. using tap) Use VAS 5122 and VAG 1783
9 -
Clip
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69-100


Front and rear roof grab handles are mounted the same way.
Notes:
Repair Manual, Body On Board Diagnostic (OBD), Repair Group 01
Fig. 5 Mounting side curtain airbag at roof grab handle
- Insert pre-assembly clip -A- into mounting point -C-.
- Insert pins -B- in mounting points -D-.
- Twist-securing seam -E- must face center of vehicle.
1 - Side curtain airbag
2 - Grip handle adapter, delivery casing airbag
After reconnecting the battery, check and activate the vehicle's
electrical equipment (radio, clock, window regulators) according to the
repair manual and/or Owner's Manual. If the airbag Malfunction Indicator Lamp (MIL) -K75- indicates a
malfunction, the DTC memory must be erased and then checked
again using the VAG 1551 scan tool.
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