Audi A4. Body repair manual - part 79
Headlights, servicing
Ignitor for gas discharge lamps -N195-
(Xenon), removing and installing
WARNING!
HIGH VOLTAGE!
Disconnect the battery Ground (GND) strap
before working on parts of the Xenon
headlight which are labeled with the yellow
high voltage symbol.
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.
Removing
- Remove cover from headlight housing.
- Remove harness connector -1- on Xenon bulb by rotating
counterclockwise.
Headlights, servicing
- Remove retainer -1- in housing cover by pressing catches (arrows).
- Guide harness connector for Xenon bulb through opening in cover.
- Disconnect harness connector -1- from ignitor's harness connector.
- Remove locking plate for ignitor by loosening screws (arrows).
- Remove starter from housing.
Installing
- Install in reverse order of removal.
Front fog lights, servicing
Front fog lights, servicing
Front fog lights, 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.
Front fog lights, servicing
- Remove bumper
Repair Manual, Body Exterior, Repair Group
63
Removing
- Pry out plastic cover -2- and towing lug cover (right side) toward front.
- Remove two Torx screws -1- (later Phillips-head screws).
- Remove headlight insert -3-.
- Disconnect harness connector.
Front fog lights, servicing
- Remove Phillips-head screws -2- on housing cover.
- Release bulb retaining spring -1- and remove light socket from
housing.
- Remove lamp connector -A- from cable connector in housing cover.
Installing
- Insert new bulb into light socket without touching glass with bare
hands.
- Secure light socket with bulb retaining spring.
- Reconnect harness connector and close housing cover.
- Remainder of installation is in reverse order of removal.
- Adjust front fog lights after installing
Front fog lights, servicing
Front fog lights, adjusting
For adjustment specifications:
Repair Manual, Maintenance
- Pull off covers (arrow) from bottom part of bumper.
- Turn adjusting screw (arrow) counterclockwise to lower headlight level.
No lateral adjustment is provided.
Note:
The illustration shows the right front fog light. For the left front fog light,
the adjusting screw is in the mirror-image position.
Front turn signals, removing and installing
Front turn signals, removing
and installing
Note:
Turn signals can be removed with headlight
assemblies installed.
- Carefully press out release lever toward rear using screwdriver.
The position of the release lever depends on the headlight version:
Standard headlights: release lever is attached to headlight housing
Three-way headlights: release lever is attached to turn signal
- Press catch (lever) slightly down (arrow) and push turn signal lens out
toward front.
- Disconnect harness connector and rotate and remove bulb assembly.
Side-mounted turn signals
Side-mounted turn signals
Side-mounted turn signals, 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.
Removing
- Press side turn signal lens against retaining tab in direction of arrow
and carefully remove from fender opening.
- Carefully pull housing -2- out of rubber socket -1-.
- Bulb -3- can be pulled out of rubber socket -1- for replacement.
Installing
Side-mounted turn signals
Steering column switch, servicing
Steering column switch,
servicing
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.
Steering column switch, servicing
Steering column switch, terminal
assignments
Terminal assignments for light switch, turn signal switch, headlight
dimmer switch and flasher, parking light switch and cruise control
A - 14-pin harness connector
1 - Light switch, terminal 58
2 - Switch, terminal 14
3 - Light switch, headlight dimmer switch and flasher, terminal 30
4 - Light switch and headlight dimmer switch and flasher, terminal 30
5 - Switch for parking light, terminal PL
6 - Switch for parking light, terminal P
7 - Switch for parking light, terminal PR
8 - Light switch, terminal 11 (daytime running lights/dimmer lighting)
9 - Headlight dimmer switch and flasher, terminal 56 b
10 - Headlight dimmer switch and flasher, terminal 56 a
11 - Headlight dimmer switch and flasher, terminal 56
12 - Light switch, terminal 1 (daytime running lights/dimmer lighting)
13 - Light switch, terminal X
14 - Light switch, terminal 3 (daytime running lights/dimmer lighting)
Steering column switch, servicing
B - 6-pin connector, cruise control system
1 - On and resume
2 - Resume
3 - Set
4 - Terminal 15
5 - On, resume, and off (click stop engaged)
6 - Input from control module, terminal 3
Steering column switch, servicing
Wiper switch pin assignment
A - 6-pin connector
1 - Board computer, reset
2 - Board computer, Terminal 31
3 - Board computer, right rocker switch
4 - Board computer, left rocker switch
5 - open
6 - open
B - 13-pin harness connector
1 - Wiper switch, terminal J
2 - Wiper switch, terminal 53 c
3 - Emergency light (hazard light) switch, terminal R
4 - Wiper switch, terminal 53 b
5 - Wiper switch, terminal 53 a
6 - Emergency light (hazard light) switch, terminal L
7 - Emergency light (hazard light) switch, terminal 49 a
8 - Wiper switch, terminal 53 e
9 - Wiper switch, terminal 53