2010 VOLVO S40 relay

09 Maintenance and servicing
Engine compartment09
217
G026456
Cooling system expansion tank
Power steering fluid reservoir (concealed
behind the headlight)
Dipstick – engine oil
Radiator
Cooling fan
Washer fluid reservoir
Engine oil filler cap
Brake/clutch fluid reservoir
Battery
Relay/fuse box
Air cleaner
WARNING
The cooling fan may start or continue to
operate (for up to 6 minutes) after the engine
has been switched off.

09 Maintenance and servicing
Fuses 09
232
Replacing fuses
There are relay/fuse boxes located in the
engine compartment and the passenger com-
partment.
If an electrical component fails to function, this
may be due to a blown fuse. The easiest way
to see if a fuse is blown is to remove it.
To do so:
1. Pull the fuse straight out. If a fuse is difficult
to remove, special fuse removal tools are
located on the inside of the fuse box cov-
ers.
2. From the side, examine the curved metal
wire in the fuse to see if it is intact.
3. If the wire is broken, insert a new fuse of
the same color and amperage (written on
the fuse).
If fuses burn out repeatedly, have the electrical
system inspected by a trained and qualified
Volvo service technician.
WARNING
Never use metal objects or fuses with higher
amperage than those stated on the follow-
ing pages. Doing so could seriously damage
or overload the vehicle's electrical system.

09 Maintenance and servicing
Fuses09

233 Fuse box in the engine compartment
G007446
The fuse box in the engine compartment has
positions for 36 fuses.
•Fuses 1–18 are relays/circuit breakers and
should only be removed or replaced by an
authorized Volvo service technician.
•Fuses 19–36 may be changed at any time
when necessary.
Several extra fuses and a fuse removal tool to
assist in removing/replacing fuses can be
found on the underside of the fuse box cover
in the engine compartment.

09 Maintenance and servicing
Fuses 09
234
Fuses in the engine compartment
G020250
1.Coolant fan (radiator)50A
2.Power steering80A
3.Feed to passenger com-
partment fuse box60A
4.Feed to passenger com-
partment fuse box60A
5.Element, climate unit80A
6.Not in use
7.ABS pump30A
8.ABS valves20A
9.Engine functions30A
10.Climate system blower40A
11.Headlight washers20A
12.Feed to heated rear window30A
13.Starter motor relay30A
14.Trailer connector (acces-
sory)40A
15.Not in use
16.Feed to audio system30A
17.Windshield wipers30A
18.Feed to passenger com-
partment fuse box40A
19.Not in use
20.Horn15A
21.Not in use
22.Not in use
23.Engine control module
(ECM)/transmission control
module (TCM)10A

09 Maintenance and servicing
Fuses09

* Option/accessory, for more information, see Introduction.235
24.Not in use
25.Not in use
26.Ignition switch15A
27.A/C compressor10A
28.Not in use
29.Front fog lights*15A
30.Not in use
31.Not in use
32.Fuel injectors10A
33.Heated oxygen sensor, vac-
uum pump20A
34.Ignition coils, climate unit
pressure sensor10A
35.Engine sensor valves, A/C
relay, relay coil, PTC ele-
ment oil trap, canister, mass
air meter15A
36.Engine control module
(ECM), throttle sensor10A

09 Maintenance and servicing
Fuses09

* Option/accessory, for more information, see Introduction.237
Fuses in the passenger compartment
G020246
-Fuse 37-42, not in use-
43.Audio system, Blue-
tooth,Volvo Navigation sys-
tem*15A
44.Supplemental Restrain Sys-
tem (SRS), engine control
module10A
45.12-volt socket in rear seat15A
46.Lighting – glove compart-
ment, instrument panel, and
footwells5A
47.Interior lighting5A
48.Windshield washers15A
49.Supplemental Restrain Sys-
tem (SRS), Occupant
Weight Sensor (OWS)10A
50.Not in use
51.AWD, fuel filter relay10A
52.Transmission control mod-
ule (TCM), ABS5A
53.Power steering10A
54.Park assist*, Active Bending
Lights*10A
55.Not in use
56.Volvo Navigation System
remote key module, alarm
siren control module10A
57.On-board diagnostic
socket, brake light switch15A
58.Right high beam, auxiliary
lights relay7.5A
59.Left high beam7.5A

09 Maintenance and servicing
Fuses 09
238* Option/accessory, for more information, see Introduction.
60.Heated driver's seat*15A
61.Heated passenger's seat*15A
62.Moonroof*20A
63.Power window and door
lock – rear passenger's side
door20A
64.Audio system, Volvo Navi-
gation system*5A
65.Audio system5A
66.Audio system control mod-
ule (ICM), climate system10A
67.Not in use
68.Cruise control5A
69.Climate system, rain sen-
sor*, BLIS button*5A
70.Not in use
71.Not in use
72.Not in use
73.Moonroof, front ceiling
lighting, auto-dim mirror*,
seat belt reminder5A
74.Fuel pump relay15A
75.Not in use
76.Not in use
77.Auxiliary equipment control
module (AEM)15A
78.Not in use
79.Back-up lights5A
80.Not in use
81.Power window and door
lock – rear driver's side door20A
82.Power window – front pas-
senger's side door25A
83.Power window and door
lock – front driver's side
door25A
84.Power passenger's seat25A
85.Power driver's seat25A
86.Interior lighting relay, trunk
lighting, power seats5A