Page 250 of 297

If and when249
Safety First
Operating instructions
Practical tips
Te c h n i c a l D a t a
FusesChanging a fuse
Blown fuses must be replaced
Fuse cover underneath the steering wheel
– Switch off the ignition and the component concerned.
– Identify the fuse for the failed component ⇒page 251.
– Take the plastic clip from inside the fuse cover, fit it onto the
blown fuse and pull the fuse out.
– Replace the blown fuse (which will have a melted metal strip) with a new fuse of the same ampere rating.
Fuse cover in engine compartment
– Switch off the ignition and its failed electrical component.
– Prise off the fuse cover in the engine compartment by pressing the tabs towards the centre of the cover ⇒fig. 179.
– Identify the fuse for the failed component ⇒page 251.
– Take the plastic clip from inside the fuse cover (at left-hand end of the dash panel), fit it onto th e blown fuse and pull the fuse out.
– Replace the blown fuse (which will have a melted metal strip) with a new fuse of the same ampere rating.
– Carefully fit the fuse cover back on to ensure no water can enter the fuse box.The individual electrical circuits are pr otected by fuses. The fuses are located
behind a cover at the left-hand end of the dash panel and on the left-hand
side of the engine compartment.
The electric windows are protected by circuit breakers. These reset automat-
ically after a few seconds when the overload (caused for example by frozen
windows) has been corrected.
Fig. 178 Left side of dash
panel: Fuse box coverFig. 179 Fuse box cover
in engine compartment
AlteaXL_EN.book Seite 249 M ontag, 2. Februar 2009 12:26 12
Page 252 of 297

If and when251
Safety First
Operating instructions
Practical tips
Te c h n i c a l D a t a
Fuses on left side of dash panelFusesNumber
Consumer
Amps
1
Va can t
2
Va can t
3
Va can t
4
Va can t
5
Va can t
6
Va can t
7
Va can t
8
Va can t
9
Airbag
5
10
RSE input (roof screen)
10
11
Va can t
11
Vacant
12
Left xenon headlight
10
13
Instrument panel (oil le vel)/Switchboard wiring
(BCM)/Heater / ABS, ESP/ Park Pilot/ Gate-
way/Flow meter
5
14
Gearbox/Servosteering/Brake light sensor/
Trailer/ ABS, ESP/ Haldex/ Light switch
10
15
Heated windscreen / Instrument lighting / Diag-
nosis switchboard/Engine management/Addi-
tional heating/AFS headlamps/Park Pilot
10
16
Right xenon headlight
10
17
Engine management
10
18
Vacant
19
Vacant
20
Park Pilot (Parking assistant) / Gear lever/ ESP
switchboard
10
21
Vacant
22
Volumetric alarm sensor/ Alarm horn
5
23
Diagnosis / Rain sensor / Light switch
10
24
Vacant
25
Switchboard coupling automatic gearbox
20
26
Vacu um pum p
20
27
RSE input (roof screen)
10
28
Rear wiper motor / Switchboard wiring
20
29
Vacant
30
Cigarette lighter / socket
20
31
Vacant
32
Vacant
33
Heater
40
34
Vacant
35
Vacant
36
Engine management
10
37
Engine management
10
38
Engine management
10
39
Trailer control unit (coupling)
15
Number
Consumer
Amps
AlteaXL_EN.book Seite 251 M ontag, 2. Februar 2009 12:26 12
Page 253 of 297

If and when
252Some of the electrical items listed in the table are only fitted on certain
models or are optional extras. Please note that the above list, while correct at the time of printing, is subject
to alterations. If discrepancies should
occur, please refer to the sticker on the
inside of the fuse cover for the correct information for your model.
Fuses layout, engine compartment, left partFuses
40
Trailer control unit (indicators, brakes and left
side)
20
41
Trailer control unit (fog light, reversing light and
right side)
20
42
BCM wiring switchboard
20
43
Trailer pre-installation
40
44
Rear window heater
25
45
Electric windows (front)
30
46
Rear electric windows
30
47
Engine (Fuel control unit, petrol relay)
15
48
Convenience controls
20
49
Heating controls
40
50
Heated seats
30
51
Sunroof
20
52
Headlight washer system
20
53
Vacant
20
54
Taxi (taximeter power supply)
5
55
Vacant
20
56
Taxi (taximeter power supply)
15
57
Vacant
58
Central locking control unit
30
Number
Consumer
Amps
Number
Consumer
Amps
1
Windscreen wipers
20
2
DQ200 gearbox
30
3
Cable control unit
5
4
ABS
20
5
AQ gearbox
15
6
Instrument panel/Steering column
5
7
Ignition key
40
8
Radio
15
9
Telephone/TomTom Navigator
5
10
Engine management
5
Engine management
10
11
Va ca n t
12
Electronic control unit
5
13
Petrol injection module supply
15
Diesel injection module supply
30
14
Coil
20
AlteaXL_EN.book Seite 252 M ontag, 2. Februar 2009 12:26 12