2005 Alfa Romeo 156 bulb

GETTING TO KNOW YOUR CAR
103
Warning light Message
on displayá
VDC SYSTEM (VEHICLE DYNAMICS CONTROL)
(optional for versions/markets where applicable)When the ignition key is turned to MAR, the dial warning light comes on but must go out after
a few seconds.
If the warning light does not go out, or if it stays on (together with the message + symbol on the
display and the coming on of the ASR button led) when the vehicle is running, contact Alfa Romeo
Authorized Services.
The flashing of the warning lamp when the vehicle is running indicates the actuation of the VDC
system.
W
OUTSIDE LIGHT FAILUREThe warning light comes on when an anomaly is found in one of the following lights:
– sidelights
– braking lights or corresponding fuse
– rear fog guards
– number plate lights.
The warning of a fault may mean one or more blown bulbs, a burnt fuse or cut off connection.

IN AN EMERGENCY
217
WHEN NEEDING TO CHANGE A BULB
Alterations or repairs to
the electric system not car-
ried out correctly and without tak-
ing into account the specifications
of the system may cause malfunc-
tioning and the risk of fire.
WARNING
Where possible the bulbs
should be replaced by Alfa
Romeo Authorized Services. The
correct operation and positioning
of the external lights are vital to
the safety of the vehicle and its
passengers and the subject of spe-
cific laws.
WARNING
Halogen bulbs must be
handled touching only the
metallic part. If the transparent
bulb is touched with the fingers its
lighting intensity is reduced and the
life of the bulb may be compro-
mised. If touched accidentally, rub
the bulb with a cloth moistened
with methylated spirits and allow
to dry.
WARNING
Halogen bulbs contain
pressurised gas, in the case
of breakage they may burst.
WARNING
Possible replacement of a
light on vehicles equipped
with Xeno lamps must be carried
out by Alfa Romeo Authorized Ser-
vices.
WARNING

IN AN EMERGENCY
218
GENERAL INSTRUCTIONS– When a light is not working check the
corresponding fuse is intact before replacing
the bulb.
– For the location of fuses, refer to the
paragraph “In the event of a burnt fuse”
in this chapter.
– Before changing a bulb check the con-
tacts for oxidation.
– Burnt bulbs must be replaced with oth-
ers of the same type and power.
– Always check the height of the headlight
beam after changing a bulb to ensure they
are safe.
TYPES OF BULBS
(fig. 20)
Various types of bulbs are fitted to your ve-
hicle:
A. All glass bulbs
They are pressure-fitted. Pull to re-
move.
B. Bayonet type bulbs
Press the bulb, turn counter-clockwise
to remove this type of bulb from its
holder.
C. Tubular bulbs
Free them from their contacts to re-
move.D. Halogen bulbs
To remove free it from the clip on its
seating.
fig. 20
A0B0233m

IN AN EMERGENCY
219
BULBS High beamLow beamFront sidelightFoglight (where required)Front direction indicatorSide direction indicatorRear direction indicatorStop/side lightAdditional stop lightReversing lightRear fog guardNumber plate lightFront roof lightBoot lightRear roof lightCourtesy light (where required)Glovebox light
FIGURE 20
D
D
B
D
B
A
B
B
B
A
B
B
A
C
C
C
CPOWER
55W
55W
6W
55W
21W
5W
21W
21W/5W
3.2
21W
21W
5W
10W
10W
5W
5W
5W
TYPEH1
H7
H6W
H1
PY21W
W5W
P21W
P21/5W
3.2W
P21W
P21W
W5W
C10W
C10W
C5W
C5W
C5W

IN AN EMERGENCY
220
IF ONE OF THE
EXTERNAL LIGHTS
GOES OUT
FRONT LIGHT UNITSThe front light units contain the direction
indicators, side lights/dipped and main
beam light bulbs.
To replace these bulbs the cover must be
removed turning counter-clockwise.
The bulbs are arranged inside the light
units as follows (fig. 21):
A.Direction indicators
B.Dipped beam headlights
C.Sidelight/main beam headlights.
WARNINGFor the type and power of
the light refer to what described in the pre-
vious chapter “If one of the lights needs to
be replaced”.When the bulbs have
been replaced refit the cov-
er in the correct position
turning clockwise and ensuring that
it clicks into place.
fig. 22
A0B0392m
fig. 21
A0B0224m
Fig. 22:Dipped beam headlights with
Xeno lamp
A.Sidelight/main beam headlights
B.Dipped beam headlights/sidelight.
Alterations or repairs to
the electric system not car-
ried out correctly and without tak-
ing into account the specifications
of the system may cause malfunc-
tioning and the risk of fire.
WARNING

IN AN EMERGENCY
221
REPLACEMENT OF XENON
LIGHTS
(optional for versions/
markets where applicable)
Xenon lights have a very long life, there-
fore breakdowns are unlikely.
Hereafter you find the description of the
correct procedure to replace a Xenon light.– Rotate the connector (B-fig. 24) of
the Xenon lamp by a quarter of a turn
counter-clockwise, as indicated in fig. 25,
and remove it.
Dipped-beam headlamps
To replace the bulb proceed as follows:
– Unscrew the three locking screw (B-
fig. 23) and remove the protective (A)
cover.
fig. 23
A0B0348m
fig. 25
A0B0351m
fig. 24
A0B0349m
If necessary, have the sys-
tem checked and repaired
only by Alfa Romeo Authorized
Services.
WARNING
Any operation regarding
the front light units must
be carried out with the lights
turned off and the ignition key re-
moved from the ignition switch:
risk of electric discharges.
WARNING

IN AN EMERGENCY
222
The Xenon lamp must be
handled touching only the
metallic part. If the trans-
parent bulb is touched with the fin-
gers, rub it with a clean cloth
moistened with methylated spir-
its and allow to dry before refit-
ting the bulb.
WARNINGOnce the operation has been
completed, turn dipped beam headlamps on
and check that the headlight parabola
moves when positioning the light itself. If
not, re-engage the lamp.– Turn ring (A-fig. 26) counter-clock-
wise and remove it.
– Remove the Xenon lamp (B-fig. 26).
– Fit the new bulb by placing it so that the
notch matches the groove on its housing.
– Refit the protective cover correctly
(A-fig. 23).Main beam headlamps
To replace the bulb proceed as follows:
– Turn the protective cover counter-clock-
wise (C-fig. 23) in order to reach the high-
beam headlight bulb (A-fig. 24).
– Remove connector (A-fig. 27) and re-
move the bulb operating the clips (B) as
shown in the figure.
– Fit the new bulb.
– Refit the protective cover correctly (C-
fig. 23).
fig. 26
A0B0352m
fig. 27
A0B0350m
fig. 28
A0B0354m

IN AN EMERGENCY
223
FRONT DIRECTION
INDICATORS To replace the bulb (orange colour), pro-
ceed as follows:
– Turn the bulb holder counter-clockwise
(A-fig. 30) and remove it.
– Remove the bulb (B-fig. 31) from the
bulb holder (A-fig. 31), pushing lightly
and turning counter-clockwise.
– Replace the bulb (B-fig. 31). Direction indicators
To replace the bulb proceed as follows:
– Turn the cover counter-clockwise
(A-fig. 29).
– Turn the bulb holder (B) counter-clock-
wise.
– Remove the bulb from the bulb holder,
pushing lightly and turning counter-clock-
wise.
– Replace the bulb and refit the bulb hold-
er in its housing.fig. 30
A0B0225m
Sidelights
To replace the bulb proceed as follows:
– Turn the protective cover (C-fig. 23)
counter-clockwise in order to reach the side-
light bulb.
– Remove the bulb (A-fig. 28) from the
bulb holder (B), pushing lightly and turning
counter-clockwise.
– Replace the bulb and refit the bulb hold-
er (B-fig. 28) in its housing.
– Refit the protective cover correctly
(C-fig. 23).
fig. 29
A0B0353m