Page 246 of 362
The fuses are coded as follows:
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
1 30A Not used (spare)
2 15A Brake on/off switch
3 15A SYNCmodule
4 30A Moon roof
5 10A Keypad illumination, Brake shift
interlock (BSI), Passenger
compartment fuse panel
6 20A Turn signals, Stop lamps
7 10A Low beam headlamps (left)
8 10A Low beam headlamps (right)
9 15A Interior lights
10 15A Backlighting
11 10A Four wheel drive
12 7.5A Power mirror switch
13 5A Not used (spare)
14 10A FCIM (radio buttons), Front
display module, GPS module
Roadside Emergencies
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USA(fus)
Page 248 of 362

Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
41 15A Driver/passenger door lock
switches, Automatic dimming
mirror, Compass, Ambient
lighting, Moon roof, Camera
display in mirror
42 10A Not used (spare)
43 10A Rear wiper logic, Heated seats
relay, Instrument cluster
44 10A Not used (spare)
45 5A Front wiper logic, Blower motor
relay
46 7.5A Occupant classification system
(OCS), Passenger airbag
deactivation indicator (PADI)
47 30A Circuit
BreakerPower windows
48 — Delayed accessory relay
Power distribution box
The power distribution box is located in the engine compartment. Refer
to theIdentifying components in the engine compartmentsection of
theMaintenance and Specificationschapter for the location. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
WARNING:Always disconnect the battery before servicing high
current fuses.
WARNING:To reduce risk of electrical shock, always replace
the cover to the Power Distribution Box before reconnecting the
battery or refilling fluid reservoirs.
Roadside Emergencies
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USA(fus)
Page 249 of 362
The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
A 80A Midi Electronic power steering module
(EPAS)
B 125A Midi Passenger compartment fuse
panel
1 15A* Heated mirror
2 30A** Rear defroster
3 20A** Rear power point (center console)
4 — Not used
5 10A* Powertrain control module (PCM)
– keep alive power, PCM relay,
Canister vent
6 15A* Alternator
7 15A* Liftgate latch
8 20A* Trailer tow parking lamps
9 50A** Anti-lock brake system (ABS)
10 30A** Front wipers
11 30A** Starter
12 40A** Blower motor
13 10A* A/C clutch
Roadside Emergencies
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USA(fus)
Page 358 of 362

lubrication specifications .......321
refill capacities ........................321
service points ..................285–286
starting after a collision .........243
Engine block heater .................210
Engine oil ..................................289
checking and adding ..............289
dipstick ....................................289
filter, specifications ........292, 320
recommendations ...................292
refill capacities ........................321
specifications ..........................321
Event data recording ....................7
Exhaust fumes ..........................210
F
Fail safe cooling ........................299
Fleet MyKey programming ........90
Flexible Fuel Vehicle (FFV) ....301
Floor mats .............................83–84
Fluid capacities .........................321
Fog lamps ....................................52
Four-Wheel Drive vehicles
driving off road .......................235
preparing to drive your
vehicle .....................................220
Fuel ............................................301
calculating fuel
economy ............................20, 308
cap ...........................................304
capacity ...................................321
choosing the right fuel ...........305
detergent in fuel .....................306
filler funnel .............................307
filling your vehicle
with fuel ..................301, 304, 308
filter, specifications ........300, 320fuel pump shut-off switch .....243
improving fuel economy ........308
octane rating ...................305, 324
quality ......................................306
running out of fuel .........262, 307
safety information relating to
automotive fuels .....................301
Fuel - flex fuel vehicle
(FFV) .................................301, 305
Fuses ..................................244–245
G
Garage door opener ....................77
Gas cap (see Fuel cap) ............304
Gas mileage (see Fuel
economy) ...................................308
Gauges .........................................16
H
Hazard flashers .........................243
Headlamps ...................................51
aiming ........................................54
bulb specifications ....................58
daytime running lights .............53
flash to pass ..............................53
high beam .................................52
replacing bulbs .........................59
turning on and off ....................51
Heating
heating and air conditioning
system .......................................47
manual heating and air
conditioning system .................44
Hood ..........................................285
I
Ignition ...............................206, 324
Index
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O
Octane rating ............................305
Oil (see Engine oil) ..................289
Overdrive ...................................222
P
Parental MyKey programming ...90
Park Assist ................................229
Parking brake ............................213
Parts (see Motorcraft
parts) .........................................320
Passenger Occupant
Classification Sensor .................123
Power distribution box (see
Fuses) ........................................248
Power door locks ........................95
Power mirrors .............................72
Power point .................................69
Power steering ..........................220
fluid, refill capacity ................321
fluid, specifications .................321
Power Windows ...........................70
Preparing to drive your
vehicle ........................................220
R
Radio ............................................26
Rear-view camera system .........227
Recommendations for
attaching safety restraints for
children ......................................154
Relays ........................................244
Remote entry system ...............100illuminated entry ....................103
locking/unlocking
doors ................................100–101
opening the trunk ...................101
panic alarm .............................101
replacement/additional
transmitters .............................102
replacing the batteries ...........102
Reverse sensing system ...........225
Roadside assistance ..................242
Roof rack ...............................86–87
S
Safety belts (see Safety
restraints) ..........121, 125–127, 129
Safety Canopy ...........145–146, 148
Safety defects, reporting ..274–275
Safety restraints .......121, 125–127,
129
Belt-Minder...........................131
extension assembly ................130
for adults .........................126–127
for children .............................151
Occupant Classification
Sensor ......................................123
warning light and
chime ...............................130–131
Safety restraints - LATCH
anchors ......................................160
Safety seats for children ..........156
Safety Compliance
Certification Label ....................325
Satellite Radio Information ........40
Scheduled Maintenance Guide
Normal Scheduled
Maintenance and Log .............340
Index
360
2011 Mariner(mrn)
Owners Guide, 1st Printing
USA(fus)