Servicing steering column switch — AUDI

Upper trim
For vehicles without airbag:

Left switch
Light switch, turn-signal indicator switch, switch for manual dipping and headlight flasher, parking light and cruise control system
Connection assignment => Fig.
1
, Fig.
2
and Fig.
3

Right switch
Windscreen wiper switch, headlight washer system and on-board computer
Connection assignment => Fig.
4
, Fig.
5
and Fig.
6

Lower trim
For vehicles without airbag:

Collector ring
Horn actuation

Contact
For collector ring
Routing of wiring

=> "Current Flow Diagrams, Electrical Fault Finding and Fitting Locations" binder

Upper trim
For vehicles with airbag:

Lower trim
For vehicles with airbag:

Carbon brush
For vehicles with airbag:

Fig.1
Connection assignment for light switch, turn-signal indicator switch, switch for manual dipping and headlamp flasher, parking light and cruise control system

Notes:

Assignment of 13-pin connector -A- => Fig.
2
.
Assignment of 6-pin connector -B- => Fig.
3
.

Fig. 2
13-pin connector -A-

1 -
Light switch, contact 1 (daytime/urban driving)
2 -
Switch for manual dipping and headlight flasher, terminal 56a
3 -
Light switch, terminal X
4 -
Parking light switch, terminal PR
5 -
Parking light switch, terminal PL
6 -
Light switch and switch for manual dipping and headlamp flasher, terminal 30
7 -
Switch for manual dipping and headlamp flasher, terminal 56b
8 -
Switch for manual dipping and headlamp flasher, terminal 56
9 -
Light switch, contact 9 (daytime/urban driving)
10 -
Light switch, contact 10 (daytime/urban driving)
11 -
Parking light switch, terminal P
12 -
Light switch and switch for manual dipping and headlamp flasher, terminal 30
13 -
Light switch, terminal 58

Fig. 3
6-pin connector -B-, cruise control system

1 -
Terminal 15
2 -
On, activation and off (key-operated)
3 -
Input from control unit, contact 3
4 -
Switch-on and activation
5 -
Activation
6 -
Memory storage

Fig.4
Connection assignment for windscreen wiper switch, headlight washer system and on-board computer

Notes:

Assignment of 6-pin connector -A- => Fig.
5
.
Assignment of 13-pin connector -B- => Fig.
6
.

Fig. 5
6-pin connector -A-

1 -
On-board computer
2 -
On-board computer reset
3 -
On-board computer, right rocker
4 -
On-board computer, left rocker
5 -
Not used
9 -
Not used

Fig. 6
13-pin connector -B-

1 -
Hazard warning switch, terminal L
2 -
Windscreen wiper switch, terminal 53 a
3 -
Windscreen wiper switch, terminal 53
4 -
Windscreen wiper switch, terminal J
5 -
Not used
6 -
Windscreen wiper switch, terminal 53 c
7 -
Hazard warning switch, terminal R
8 -
Hazard warning switch, terminal 49 a
9 -
Windscreen wiper switch, terminal 53 e
10 -
Windscreen wiper switch, terminal 53 b
11 -
Not used
12 -
Not used
13 -
Not used

Replacing individual contacts in connectors

Notes:

Never use extractor tool.
Contact assignment=> Page
94-37
.
Always use appropriate current flow diagram for troubleshooting.

=> "Current Flow Diagrams, Electrical Fault Finding and Fitting Locations" binder

Slide out plug catch by hand in direction of arrow as far as it will go.

Pull out and replace appropriate contact if necessary (damage, retrofitting or poor connection).
To replace individual contacts, always use special tool 000 097 003 A or commercially available equivalent.
Insert contact in appropriate cavity.
Push home plug catch.