The document provides instructions for servicing the ignition switch lock cylinder and ignition switch on an Audi vehicle. It describes removing the steering wheel and disconnecting the battery before removing parts. To remove the lock cylinder, the key must be in the ignition-on position so that an access hole is visible. Reinstallation involves pushing the lock cylinder fully into place until it clicks. Instructions are also given for removing and installing the ignition switch while keeping it and the lock cylinder in the same position.

1. 94-41
Ignition switch lock cylinder,
servicing
Steering lock cylinder - ignition switch
removing and installing
CAUTION!
Disconnect the battery Ground (GND) strap
before working on the electrical system.
Notes:
Before disconnecting the battery determine the
correct coding for the anti-theft radio.
After reconnecting the battery, check and
activate the vehicle's electrical equipment
(radio, clock, comfort and convenience
features, etc.) as outlined in this Repair Manual
or the Owner's Manual.
Notes:
For removing, the lock cylinder, always use the
spare key or shop key with the flat plastic
handle.
The master key equipped with a light and/or
remote control transmitter in its handle is
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2. unsuitable for removal because the keys broad
handle covers an access hole in the lock
cylinder.
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3. 94-42
Removing
- Remove driver's-side airbag unit and steering
wheel.
Repair Manual, Body Interior, Repair Group
69
- Remove steering column switches Page 94-37 .
- Insert spare or shop key and switch ignition on: access hole will appear
in front of switch next to ignition key slot.
Installing
- Insert length of steel wire or small screwdriver (approx. 2 mm dia.) as
far as it will go, as illustrated, and pull lock cylinder out of steering lock
housing in direction of arrow.
- Ignition switch must be in "ignition on" position.
-
Push lock cylinder with ignition key all way into steering lock housing
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4. and press in firmly until catch engages audibly.
- Install steering column switches and steering wheel.
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5. 94-43
Ignition switch, removing and installing
Removing
Note:
It is not necessary to remove the lock cylinder.
- Disconnect battery Ground (GND) strap.
- Remove driver's-side airbag unit and steering
wheel.
Repair Manual, Body Interior, Repair Group
69
- Remove steering column switche Page 94-
37 .
- Disconnect harness connector from
ignition/starter switch.
Installing
- Remove sealing paint from threads of screws -A-.
- Loosen two screws (arrows -A-) slightly and pull ignition/starter switch
out of housing in direction indicated (arrow).
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6. Notes:
The ignition switch and lock cylinder must be in the same position, e.g.
"Ignition on" when installing.
After installing, seal the screws again with pain.
- Install in reverse order of removal.
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7. 94-44
Ignition switch, terminal assignments
15 - Terminal 15
30 - Terminal 30
50 - Terminal 50
50b-Terminal 50b
75 - Terminal 75
86s- Terminal 86s
P - Park
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