The fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingProtected Components
1 30A Right rear window
2 15A Not used (spare)
3 15A Driver seat control/lumbar
4 30A Right front window
5 10A Brake-shift interlock (BSI)
6 20A Turn signals, hazards
7 10A Low beam headlamps (left)
8 10A Low beam headlamps (right)
9 15A Courtesy lamps
10 15A Switch illumination, Puddle lamps
11 10A All wheel drive (AWD)
12 7.5A Intelligent access (IA) module
13 5A Memory/seats/mirrors/steering column,
keypad, Driver zone module
14 10A Center information display, SYNC, GPS
15 10A Climate control
16 15A Electronic finish panel (EFP), Ambient
lighting module
17 20A Global windows
18 20A Dual heated rear seat module (DHRSM)
(battery)
19 25A Not used (spare)
20 15A Diagnostic connector
21 15A Fog lamps
22 15A Park lamps, License lamps
23 15A High beam headlamps
24 20A Horn
25 10A Demand lamps
26 10A Cluster/heads-up display
27 20A IA
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2011 MKS(mks)
Owners Guide, 1st Printing
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Fuse/Relay
LocationFuse Amp
RatingProtected Components
28 5A Not used (spare)
29 5A Instrument panel cluster (run/start)
30 5A Not used (spare)
31 10A Auto high beam controller, Heads-up
display
32 10A Restraint control module
33 10A Adaptive lighting module
34 5A AdvanceTrac, Adaptive cruise control
module, Electronic power assist
steering module
35 10A AWD, DHRSM, Absolute steering angle
switch, Park aid (run/start) module
36 5A Not used (spare)
37 10A Not used (spare)
38 20A Amplifier (THXor 6 channel)
39 20A Radio/Navigation
40 20A Amplifier (THXor 2 channel)
41 15A Delayed Accessory
42 10A Not used (spare)
43 10A Rear window defroster relay, Rain
sensor
44 10A Not used (spare)
45 5A Wiper relay and module, Blower relay
46 7.5A Occupant classification sensor (OCS),
Electronic finish panel, Climate control
47 30A Circuit
BreakerNot used
48 — Delayed accessory relay
Power distribution box
The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
Roadside Emergencies
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2011 MKS(mks)
Owners Guide, 1st Printing
USA(fus)
Fuse/Relay
LocationFuse Amp
RatingProtected Components
33 40A** Intelligent access (IA) run/start
relay
34 — Not used
35 40A** Front A/C blower motor
36 20A* Passenger compartment fuse
panel run/start
37 10A* PCM run/start
38 5A* Delayed accessory
39 Diode Fuel pump diode (3.7L V6
engine)
40 Diode One-touch integrated start (OTIS)
diode
41 G8VA relay A/C clutch
42 G8VA relay Fuel pump
43 G8VA relay Backup
44 G8VA relay Auto high beam
45 — Not used
46 15A* Vehicle power 2 (PCM), Vehicle
power 3 (PCM)
47 20A* PCM Vehicle power 1
48 15A* Vehicle power4–Ignition coils
49 10A* Heated mirrors
50 Half ISO relay Blower motor relay
51 — Not used
52 Half ISO relay Starter relay
53 Half ISO relay Adaptive cruise control (stop
lamps)
54 — Not used
55 Half ISO relay Wiper relay
56 Half ISO relay HBL relay
57 — Not used
58 — Not used
Roadside Emergencies
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2011 MKS(mks)
Owners Guide, 1st Printing
USA(fus)