Repairing airbagä 09.92 — AUDI

General safety rules => Page
69-1
.
The airbag system ä 09.92 must only be electrically tested using a special tester when installed in the vehicle. Order airbag tester V.A.G 1619, with test instructions, from your local distribution centre/importer.
The only exception to this is the coil spring => Testing coil spring, Page
69-12
.

Note:

Vehicles which have been converted from Airbag 1 to Airbag 2 support self-diagnosis. In these vehicles the diagnosis connection is located directly on the airbag control units.
When ignition is switched on, the airbag warning lamp illuminates for approx. 10 seconds.
When it is extinguished, the system is operational.
If the warning lamp does not extinguish: order airbag tester from your local distribution centre/importer.
If the warning lamp does not illuminate at all: Check warning lamp. If this is OK, order airbag tester as above.

Triggering unit
Installation position => Fig.
1

Steering wheel with driver airbag unit
Removing and installing

=> Electrical System; Repair Group 94; Removing and installing steering column switch
Electrical System
Removing and installing steering column switch

Coil spring connector
Disconnecting => Page
69-10
Removing and installing coil spring => Page
69-11
Testing coil spring => Page
69-12

Voltage supply connector
Installation position => Fig.
2

Earthing point
At earthing point on driver's side A-pillar.

Voltage transformer
Powerpack

Fig.1
Triggering unit fitting location

Removing centre console at front => Page
70-62
.

A -
Connector
B -
Triggering unit

Abb.2
Power connector fitting position

Behind driver's side storage compartment

Note:

This connector -arrow- must always be disconnected when performing work on the airbag system or other work relating to the airbag system.

Disconnecting coil spring connector

Undo two screws -arrows- for steering column switch top section trim.

Disconnect connector -arrow-.

Removing and installing coil spring

Note:

When removing and installing the coil spring, the front wheels must be set to straight ahead.

Detach battery earth strap.
Disconnecting power connector => Fig. 94-729, Page
69-10
.
Remove airbag unit and steering wheel

=> Electrical System; Repair Group 94; Removing and installing steering column switch
Electrical System
Removing and installing steering column switch

Unscrew screws -arrows-.
Remove retaining washer -A-.
Detach coil spring towards rear.

Note:

The coil spring must not be twisted after removal.

Testing coil spring

Note:

The coil spring must be removed and clamped for testing.
The coil spring must not be twisted after removal.

Connect multimeter V.A.G 1526 to airbag unit connector.
Specified value < 1 ω (continuity)

If the specified value is not reached, replace coil spring.