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The fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
1 30A Driver smart window motor
2 15A Brake on/off switch, Center
high-mounted stop lamp
3 15A HEV battery fan
4 30A Passenger front smart window motor
5 10A Keypad illumination, Brake shift
interlock
6 20A Turn signal lamps
7 10A Low beam headlamps (left)
8 10A Low beam headlamps (right)
9 15A Courtesy lights/Illuminated scuff plate
10 15A Backlighting, Puddle lamps
11 — Not used
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
37 10A Humidity sensor fan
38 20A Subwoofer amplifier
39 20A Radio
40 20A Not used (spare)
41 15A Automatic dimming mirror, Moon roof,
Compass, Front windows
42 10A Electronic stability control, Adaptive
headlamps
43 10A Rain sensor
44 10A Fuel diode/Powertrain control module
45 5A Heated backlight and blower relay coil,
Wiper washer
46 7.5A Occupant classification sensor (OCS)
module, Passenger airbag off lamp
47 30A Circuit
BreakerRear windows
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.
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.
If the battery has been disconnected and reconnected, refer to the
Batterysection of theMaintenance and Specificationschapter.
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The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
1 50A* Electronic power assist steering B+
2 50A* Electronic power assist steering B+
3 40A* Powertrain control module (aux relay 5
power)
4 — Not used
5 — Not used
6 40A* Rear defrost (aux relay 4 power)
7 40A* Vacuum pump (aux relay 6 power)
8 50A* Brake system controller pump
9 20A* Wiper washer
10 30A* Brake system controller valves
11 — Not used
12 30A* Heated-cooled seats
13 15A** Motor electronics coolant/heater pump
(relay 42 & 44 power)
14 — Not used
15 — Not used
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
44 G8VA relay Motor electronics coolant pump
45 15A** Injectors
46 15A** Coil on plugs
47 10A** Powertrain control module (general):
Heater pump, Motor electronics coolant
pump relay coils, DC/DC converter,
Back-up lamps, Brake controller
48 20A** HEV high voltage battery module, Fuel
pump relay
4915A** Powertrain control module (emissions
related)
* Cartridge Fuses ** Mini Fuses
Auxiliary relay box
The auxiliary relay box is located in front of the radiator in the engine
compartment.
The components are coded as follows:
Relay Location Relay Type Function
1 High current
microLeft headlamp
2 High current
microRight headlamp
3 High current
microBlower motor
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Engine block heater .................221
Engine oil ..................................288
checking and adding ..............288
dipstick ....................................288
filter, specifications ........289, 312
recommendations ...................289
refill capacities ........................313
specifications ..........................313
Event data recording ..................12
Exhaust fumes ..........................221
F
Fleet MyKey programming ......109
Floor mats .................................107
Fluid capacities .........................313
Fog lamps ....................................77
Fuel ............................................298
calculating fuel
economy ............................38, 303
cap ...........................................300
capacity ...................................313
choosing the right fuel ...........301
detergent in fuel .....................302
filler funnel .............................302
filling your vehicle with
fuel ...........................298, 300, 304
filter, specifications ........297, 312
fuel pump shut-off ..................248
improving fuel economy ........303
octane rating ...................301, 315
quality ......................................301
running out of fuel .........262, 302
safety information relating to
automotive fuels .....................298
Fuses ..................................248–249G
Garage door opener ..................101
Gas cap (see Fuel cap) ............300
Gas mileage
(see Fuel economy) .................303
Gauges .........................................25
H
Hazard flashers .........................247
Headlamps ...................................75
aiming ..................................78–79
autolamp system .......................76
bulb specifications ....................82
daytime running lights .............78
flash to pass ..............................77
high beam .................................77
replacing bulbs .........................83
turning on and off ....................75
Heating
heating and air conditioning
system .................................67, 70
Hood ..........................................285
I
Ignition ...............................218, 315
Illuminated visor mirror .............89
Infant seats
(see Safety seats) .....................178
Inspection/maintenance (I/M)
testing ........................................308
Instrument panel
cleaning ...................................279
cluster ........................................18
lighting up panel
and interior ...............................78
Index
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J
Jack ............................................256
positioning ...............................256
storage .....................................256
Jump-starting your vehicle ......263
K
Keyless entry system
autolock ...................................113
keypad .....................................125
locking and unlocking
doors ........................................126
programming entry code .......125
Keys ...................................108, 128
positions of the ignition .........218
L
Lamps
autolamp system .......................76
bulb replacement
specifications chart ..................82
daytime running light ...............78
fog lamps ...................................77
headlamps .................................75
headlamps, flash to pass ..........77
instrument panel, dimming .....78
interior lamps .....................80, 83
replacing bulbs .........................83
LATCH anchors .........................182
Lights, warning and indicator ....18
anti-lock brakes (ABS) ..........223
Load limits .................................210
Locks
autolock ...................................113
childproof ................................117
doors ........................................113
Lubricant specifications ...........313Lug nuts ....................................262
Lumbar support, seats .............137
M
Message center ...........................36
system check button ................45
warning messages .....................46
Mirrors .........................................95
automatic dimming rearview
mirror ........................................95
heated ..................................70, 96
programmable memory ..........121
side view mirrors (power) .......95
Moon roof ....................................99
Motorcraftparts ..............283, 312
MyKey ........................................109
N
Navigation system .......................66
O
Octane rating ............................301
Oil (see Engine oil) ..................288
P
Parental MyKey
programming .............................109
Parking brake ............................224
Parts
(see Motorcraftparts) ...........312
Passenger Occupant
Classification Sensor .................145
Power distribution box
(see Fuses) ...............................252
Power door locks ......................113
Index
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2011 MKZ Hybrid(hkz)
Owners Guide, 2nd Printing
USA(fus)