fuel pressure INFINITI QX 2011 User Guide

When performing any inspection or mainte-
nance work on your vehicle, always take care to
prevent serious accidental injury to yourself or
damage to the vehicle. The following are gen-
eral precautions which should be closely ob-
served.
WARNING
●Park the vehicle on a level surface, apply the
parking brake securely and block the wheels
to prevent the vehicle from moving. Move
the selector lever to P (Park).
● Be sure the ignition switch is in the OFF or
LOCK position when performing any parts
replacement or repairs.
● Never connect or disconnect the battery or
any transistorized component while the ig-
nition switch is in the ON position.
● Never leave the engine or automatic trans-
mission related component harnesses dis-
connected while the ignition switch is in the
ON position.
● If you must work with the engine running,
keep your hands, clothing, hair and tools
away from moving fans, belts and any other
moving parts. ●
It is advisable to secure or remove any loose
clothing and remove any jewelry, such as
rings, watches, etc. before working on your
vehicle.
● Always wear eye protection whenever you
work on your vehicle.
● If you must run the engine in an enclosed
space such as a garage, be sure there is
proper ventilation for exhaust gases to
escape.
● Never get under the vehicle while it is sup-
ported only by a jack. If it is necessary to
work under the vehicle, support it with
safety stands.
● Keep smoking materials, flame and sparks
away from fuel tank and the battery.
● Your vehicle is equipped with an automatic
engine cooling fan. It may come on at any
time without warning, even if the ignition
key is in the OFF position and the engine is
not running. To avoid injury, always discon-
nect the negative battery cable before work-
ing near the fan.
● On gasoline engine models, the fuel filter or
fuel lines should be serviced by an INFINITI
retailer because the fuel lines are under high
pressure even when the engine is off.
CAUTION
● Do not work under the hood while the engine
is hot. Turn the engine off and wait until it
cools down.
● Avoid direct contact with used engine oil and
coolant. Improperly disposed engine oil,
coolant, and/or other vehicle fluids can dam-
age the environment. Always conform to lo-
cal regulations for disposal of vehicle fluid.
This “8. Maintenance and do-it-yourself” sec-
tion gives instructions regarding only those
items which are relatively easy for an owner to
perform.
A genuine INFINITI Service Manual is also avail-
able. (See “OWNER’S MANUAL/SERVICE
MANUAL ORDER INFORMATION” in the “9. Tech-
nical and consumer information” section.)
You should be aware that incomplete or im-
proper servicing may result in operating diffi-
culties or excessive emissions, and could affect
your warranty coverage. If in doubt about any
servicing, we recommend that it be done by an
INFINITI retailer.
MAINTENANCE PRECAUTIONS
Maintenance and do-it-yourself8-5

WHEELS AND TIRES
Road wheel
TypeSizeOffset in (mm)
Conventional and spare 20 × 8J 1.18 (30)
22×8J
Tire
Type SizePressure PSI (kPa) [Cold]
Conventional and spare P275/60R20 114H 35 (240)
P275/50R22 111H
DIMENSIONS
Overall length in (mm) 208.3 (5,290)
Overall width in (mm) 79.9 (2,030)
Overall height in (mm) 75.8 (1,925)
Front tread in (mm) 67.5 (1,715)
Rear tread in (mm) 67.9 (1,725)
Wheelbase in (mm) 121.1 (3,075) If you plan to travel in another country,
you
should first find out if the fuel available is
suitable for your vehicle’s engine.
Using fuel with too low an octane rating may
cause engine damage. All gasoline vehicles
must be operated with unleaded gasoline.
Therefore, avoid taking your vehicle to areas
where appropriate fuel is not available.
When transferring the registration of your ve-
hicle to another country, state, province or dis-
trict, it may be necessary to modify the vehicle
to meet local laws and regulations.
The laws and regulations for motor vehicle
emission control and safety standards vary
according to the country, state, province or
district; therefore, vehicle specifications may
differ.
When any vehicle is to be taken into another
country, state, province or district and regis-
tered, its modifications, transportation, and reg-
istration are the responsibility of the user.
INFINITI is not responsible for any inconvenience
that may result.
WHEN TRAVELING OR REGISTERING YOUR
VEHICLE IN ANOTHER COUNTRY
Technical and consumer information9-9

Child restraints................. 1-30
Booster seats ................ 1-47
LATCH system ................ 1-32
Precautions on child restraints ......1-30
Top tether strap ............... 1-34
Child safety ................... 1-28
Child safety rear door lock ...........3-6
Chimes Audible reminders ............. 2-20
Seat belt warning light and chime ....2-16
Circuit breaker, Fusible link ..........8-22
Cleaning exterior and interior .......7-2, 7-4
Climate control Automatic climate control ......4-31, 4-34
Clock ....................... 2-51
Coat hooks ................... 2-59
Cockpit ......................2-2
Cold weather driving .............5-101
Compact Disc (CD) player
(See audio system) ............... 4-57
Console box ................... 2-57
Controller, Center multi-function control
panel .......................4-3
Controls Control panel button ............4-3
INFINITI Controller ..............4-3
Coolant Capacities and recommended
fuel/lubricants ................9-2
Changing engine coolant ..........8-8
Checking engine coolant level .......8-8
Corrosion protection ...............7-6
Cruise control .................. 5-37
Fixed speed cruise control
(on ICC system) ............... 5-58
Intelligent cruise control (ICC) system . . 5-39 Cup holders
................... 2-54
D
Daytime running light system .........2-39
Dimensions ....................9-9
Distance Control Assist (DCA) system ....5-62
Distance Control Assist (DCA) system warning
light ....................... 2-13
Dot matrix liquid crystal display .......2-21
Drive belts .................... 8-17
Drive positioner ................. 3-30
Driving Cold
weather driving ........... 5-101
Driving with automatic transmission . . . 5-15
On-pavement and off-road driving .....5-6
Precautions when starting and driving . . 5-2
Safety precautions ..............5-8
Dual head restraint DVD system .......4-83
E
Economy, Fuel ................. 5-83
Elapsed time .................. 2-27
Emission control information label ......9-11
Emission control system warranty ......9-29
Engine Before starting the engine .........5-13
Break-in schedule ............. 5-83
Capacities and recommended
fuel/lubricants ................9-2
Changing engine coolant ..........8-8
Changing engine oil and filter .......8-9
Checking engine coolant level .......8-8Checking engine oil level
..........8-9
Coolant temperature gauge . . .......2-7
Emergency engine shut off .........5-12
Engine block heater ............5-102
Engine compartment check locations . . . 8-6
Engine cooling system ...........8-7
Engine oil ...................8-9
Engine oil and oil filter
recommendation ...............9-6
Engine oil replacement indicator .....2-25
Engine oil viscosity .............9-6
Engine serial number ............9-10
Engine specifications ............9-8
Engine start operation indicator .....2-23
If your vehicle overheats ..........6-13
Oil pressure gauge .............2-8
Protection mode ............... 5-14
Starting the engine ............. 5-13
Entry/exit function, Automatic drive
positioner .................... 3-30
Event Data Recorders (EDR) ..........9-32
Exhaust gas (carbon monoxide) ........5-2
Extended storage switch ............8-23
F
F.M.V.S.S./C.M.V.S.S. certification label . . . 9-11
Filter Air cleaner housing filter ..........8-18
Changing engine oil and filter . . .....8-9
Flashers
(See hazard warning flasher switch) . ....2-43
Flat tire ......................
6-2
Flat towing ................... 9-28
Flexible seating ................. 1-16
10-2

Floor mat cleaning................7-5
Fluid Automatic transmission fluid (ATF) ....8-11
Brake fluid .............. 8-12, 8-13
Capacities and recommended
fuel/lubricants ................9-2
Engine coolant ................8-7
Engine oil ...................8-9
Power steering fluid ............8-12
Window washer fluid ............8-14
FM-AM-SAT radio with Compact Disc (CD)
player ...................... 4-54
Fog light switch ................. 2-42
Forward Collision Warning (FCW) system . . . 5-75
Front passenger air bag and status light . . . 1-57
Front power seat adjustment ..........1-2
Front seat Front seat adjustment .........1-2, 1-16
Front-seat active head restraint ........1-12
Fuel Capacities and recommended
fuel/lubricants ................9-2
Fuel economy ................ 5-83
Fuel economy information (display) ....4-9
Fuel octane rating ..............9-4
Fuel recommendation ............9-4
Fuel-filler cap ................ 3-23
Fuel-filler door ............... 3-23
Gauge .....................2-8
LOOSE FUEL CAP warning .........3-25
Fuses ....................... 8-21
Fusible links .................. 8-22 G
Garage door opener, HomeLink Universal
Transceiver ................... 2-68
Gascap ..................... 3-23
Gauge .......................2-5
Engine coolant temperature gauge .....2-7
Engine oil pressure gauge .........2-8
Fuel gauge ..................2-8
Odometer ...................2-6
Speedometer .................2-6
Tachometer ..................2-7
Trip computer ................ 2-27
General maintenance ..............8-2
Glove box .................... 2-57
H
Hands-Free Phone System, Bluetooth . . . 4-96
Hazard warning flasher switch ........2-43
Head

restraints ..................1-8
Headlight washer ................ 2-41
Headlights Aiming control ............... 2-39
Aiming control (See adaptive front
lighting system (AFS)) ...........2-40
Bulb replacement .............. 8-27
Headlight switch .............. 2-37
Xenon headlights .............. 2-36
Heated seats .................. 2-44
Heated steering wheel .............2-43
Heater Automatic climate control ......4-31, 4-34
Engine block heater ............5-102
Hill start assist system .............5-91HomeLink
Universal Transceiver .......2-68
Hood release .................. 3-18
Hook Coat hooks ................. 2-59
Luggage hook ................ 2-59
Horn ....................... 2-44
I
Ignition switch (Push-button) .........5-10
Immobilizer system ............... 2-31
In-cabin microfilter ............... 4-39
Indicator Dot matrix display ............. 2-21
Lights ..................... 2-17
INFINITI Vehicle Immobilizer System . ....2-31
INFINITI voice recognition system ......4-106
INFO button ....................4-7
Inside mirror .................. 3-27
Inspection/maintenance (I/M) test ......9-31
Instrument brightness control .........2-41
Instrument panel .................2-4
Intelligent Brake Assist (IBA) off indicator
light ....................... 2-18
Intelligent Brake Assist (IBA) system .....5-80
Intelligent cruise control (ICC) system ....5-39
Main

switch indicator ........... 2-24
Intelligent Cruise Control (ICC) system
warning light .................. 2-14
Intelligent Key ..................3-2
Intelligent Key system ..............3-6
Battery replacement ............8-24
Key operating range .............3-8
Key operation ................3-9
Warning light ................ 2-14
10-3

Warning signals............... 3-12
Intelligent Key warning light ..........2-14
Interior light control switch ..........2-67
Interior light replacement ...........8-27
Interior lights .................. 2-66
iPod player operation ............. 4-70
ISOFIX child restraint .............. 1-32
J
Jump starting .................. 6-11
K
Keyless entry
(See remote keyless entry system) ......3-15
Keys ........................3-2
For Intelligent Key system .........3-6
L
Labels Air bag warning labels ...........1-63
Air conditioner specification label ....9-12
Emission control information label ....9-11
Engine serial number ............9-10
F.M.V.S.S./C.M.V.S.S. certification
label ..................... 9-11
Tire and Loading information
label .................. 8-31, 9-11
Vehicle identification number (VIN) ....9-10
Lane Departure Prevention (LDP) ON
indicator light .................. 2-19Lane Departure Prevention (LDP) system . . . 5-24
Lane departure warning (LDW) system
....5-20
Lane Departure Warning (LDW)/Prevention (LDP)
system ...................... 5-20
Lane departure warning light .........2-14
LATCH system .................. 1-32
License plate, Installing front
license plate ................... 9-12
Lift gate ..................... 3-19
Light Air bag warning light ............1-63
Bulb replacement .............. 8-26
Cargo light ................. 2-68
Fog light switch ............... 2-42
Headlight switch .............. 2-37
Headlights bulb replacement .......8-27
Indicator lights ............... 2-17
Interior

light control switch ........2-67
Interior lights ................ 2-66
Map lights .................. 2-66
Replacement ................ 8-26
Vanity mirror lights ............2-68
Warning/indicator lights and audible
reminders .................. 2-11
Xenon headlights .............. 2-36
Lights, Exterior and interior light
replacement ................... 8-27
Loading information
(See vehicle loading information) .......9-12
Lock Automatic door locks ............3-5
Door locks ..................3-4
Lift gate lock ................ 3-19
Power door lock ...............3-4
Locking with mechanical key ..........3-4
Loose fuel cap warning ............3-23Low outside temperature warning
......2-24
Low tire pressure warning light ........2-14
Low tire pressure warning system (See tire
pressure monitoring system (TPMS)) ......5-3
Luggage hooks ................. 2-59
M
Maintenance Battery .................... 8-15
General maintenance ............8-2
Indicators for maintenance ........2-25
Inside the vehicle ..............8-3
Maintenance precautions ..........8-5
Maintenance requirements .........8-2
Outside the vehicle .............8-2
Seat belt maintenance ...........1-28
Malfunction indicator light (MIL) .......2-19
Map lights .................... 2-66
Master warning light .............. 2-16
Mechanical key (Intelligent Key system) ....3-3
Memory storage, Automatic drive
positioner .................... 3-31
Meter Trip computer ................ 2-27
Meters and gauges ...............2-5
Instrument brightness control . . . ....2-41
Mirror Inside mirror ................ 3-27
Outside

mirrors ............... 3-28
Vanity mirror ................ 3-30
Moonroof .................... 2-63
10-4

N
New vehicle break-in .............. 5-83
O
Odometer .....................2-6
Off-road recovery .................5-7
Oil Capacities and recommended
fuel/lubricants ................9-2
Changing engine oil and filter .......8-9
Checking engine oil level ..........8-9
Engine oil ...................8-9
Engine oil pressure gauge .........2-8
Engine oil viscosity .............9-6
Oil filter replacement indicator ......2-25
Operation, Indicators for operation ......2-23
Outside air temperature ............2-28
Outside mirrors ................. 3-28
Overheat, If your vehicle overheats ......6-13
Owner’s Manual/Service Manual order
information ................... 9-32
P
Panic alarm ................... 3-16
Parking Brake break-in ............... 5-94
Parking brake operation ..........5-19
Parking on hills ............... 5-92
Phone Bluetooth Hands-Free Phone System . . 4-96
Car phone or CB radio ...........4-95Pocket
...................... 2-58
Power Front seat adjustment ............1-2
Power door lock ...............3-4
Power outlet ................. 2-52
Power steering fluid ............8-12
Power steering system ...........5-94
Power windows ............... 2-61
Precautions Audio operation .............. 4-40
Braking precautions ............5-94
Child restraints ............... 1-30
Cruise control ................ 5-37
Driving safety .................5-8
Lane departure warning (LDW) system . . 5-20
Maintenance .................8-5
On-pavement and off-road driving .....5-6
Seat belt usage ............... 1-18
Supplemental

restraint system ......1-50
When starting and driving .........5-2
Preview function ................ 5-95
Preview Function warning light ........2-16
Push starting .................. 6-13
Push-button ignition switch ..........5-10
R
Radio ...................... 4-40
Car phone or CB radio ...........4-95
FM-AM-SAT radio with Compact Disc (CD)
player .................... 4-54
Rain-sensing auto wiper system .......2-33
Rapid air pressure loss .............5-7
Readiness for inspection/maintenance (I/M)
test........................ 9-31Rear door lock, Child safety rear door lock . . 3-6
Rear personal lights
.............. 2-66
Rear window wiper and washer switch . . . 2-34
Rear window wiper blades ..........8-20
Recorders, Event data .............9-32
Registering your vehicle in another
country ......................9-9
Remote controller (DVD) ............4-92
Remote keyless entry system .........3-15
Reporting safety defects ............9-30
Roadside assistance program . . . . . . . . . 6-2
Rollover ......................5-6
Roof Moonroof .................. 2-64
Roof rack .................. 2-60
S
Safety Child seat belts ............... 1-28
Towing safety ................ 9-21
Satellite radio operation ............4-55
Seat adjustment Front power seat adjustment ........1-2
Front seats ............... 1-2, 1-16
Seat belt(s) Child safety ................. 1-28
Infants .................... 1-29
Injured persons ............... 1-21
Larger children ............... 1-29
Precautions on seat belt usage . . ....1-18
Pregnant women .............. 1-21
Seat

belt cleaning ..............7-6
Seat belt extenders ............. 1-27
Seat belt maintenance ...........1-28
10-5

Trailer towing.................. 9-17
Transceiver, HomeLink Universal
Transceiver ................... 2-68
Transmission Automatic transmission fluid (ATF) ....8-11
Driving with automatic transmission . . . 5-15
Transmission selector lever lock
release .................... 5-18
Transmitter
(See remote keyless entry system) ......3-15
Traveling or registering your vehicle in
another country .................9-9
Trip computer .................. 2-27
Trip odometer .................. 2-27
Turn signal switch ............... 2-42
U
Underbody cleaning ...............7-3
Uniform tire quality grading ..........9-28
USB memory operation ............4-61
V
Vanity mirror .................. 3-30
Vanity mirror lights .............. 2-68
Variable voltage control system ........8-16
Vehicle Dimensions ..................9-9
Identification number (VIN) ........9-10
Loading information ............9-12
Recovery (freeing a stuck vehicle) .....6-17
Security system ............... 2-29Vehicle dynamic control (VDC) off
switch
.................... 2-51
Vehicle dynamic control (VDC) system . . 5-98
Vehicle dynamic control (VDC) warning
light ..................... 2-17
Vehicle information and settings
(display) ....................4-7
Ventilators ................... 4-30
Voice command (INFINITI voice recognition
system) ................. 4-112, 4-122
Voice recognition system ...........4-106
Voice recognition, Alternate command
mode ...................... 4-119
Voltmeter .....................2-9
W
Warning Check tire pressure warning .......2-24
Dot matrix display ............. 2-21
Hazard warning flasher switch ......2-43
Lane departure warning (LDW) system . . 5-20
Lights ..................... 2-11
Loose fuel cap warning ..........2-24
Tire
pressure monitoring system
(TPMS) .................. 5-3, 6-2
Warning/indicator lights and audible
reminders .................. 2-10
Warning labels, Air bag warning labels . . . 1-63
Warning light 4WD warning light ............. 5-89
Air bag warning light .........1-63, 2-16
Anti-lock braking system (ABS) warning
light ...................... 2-11
Brake warning light ............. 2-12Intelligent Key warning light
........2-14
Lane departure warning light . . . . . . . 2-14
Low tire pressure warning light . .....2-14
Seat belt warning light and chime ....2-16
Warranty, Emission control system
warranty ..................... 9-29
Washer switch Rear window wiper and washer
switch .................... 2-34
Windshield wiper and washer switch . . . 2-32
Washing ......................7-2
Waxing ......................7-3
Welcome light .................. 2-65
Wheel/tire size ..................9-9
Wheels and tires ................ 8-29
Care of wheels ................7-3
Cleaning aluminum alloy wheels . . . . . . 7-4
Window washer fluid .............. 8-14
Window(s) Cleaning ....................7-3
Power windows ............... 2-61
Windshield wiper and washer switch .....2-32
Wiper Rain-sensing auto wiper system .....2-33
Rear window wiper and washer
switch .................... 2-34
Windshield wiper and washer switch . . . 2-32
Wiper blades ................ 8-19
X
Xenon headlights ................ 2-36
10-7

FUEL RECOMMENDATION:
VK56VD engine
INFINITI recommends the use of unleaded pre-
mium gasoline with an octane rating of at least
91 AKI (Anti-Knock Index) number (Research
octane number 96).
If unleaded premium gasoline is not available,
you may use unleaded regular gasoline with an
octane rating of at least 87 AKI number (Re-
search octane number 91), but you may notice a
decrease in performance.
CAUTION
●Using a fuel other than that specified could
adversely affect the emission control sys-
tems, and may also affect warranty
coverage.
● Under no circumstances should a leaded
gasoline be used, since this will damage the
three way catalyst.
● Do not use E-85 fuel in your vehicle. Your
vehicle is not designed to run on E-85 fuel.
Using E-85 fuel can damage the fuel system
components and is not covered by the
INFINITI vehicle limited warranty.
ENGINE OIL RECOMMENDATION:
● Engine oil with API Certification Mark
● Viscosity SAE 5W-30
See “CAPACITIES AND RECOMMENDED
FUEL/LUBRICANTS” in the “9. Technical and
consumer information” section for engine oil
and oil filter recommendation.
COLD TIRE PRESSURES:
The label is typically located on the driver side
center pillar or on the driver’s door. For addi-
tional information, see “WHEELS AND TIRES” in
the “8. Maintenance and do-it-yourself” sec-
tion.
NEW VEHICLE BREAK-IN PROCEDURES
RECOMMENDATION:
During the first 1,200 miles (2,000 km) of
vehicle use, follow the recommendations out-
lined in the “BREAK-IN SCHEDULE” in the “5.
Starting and driving” section of this Owner’s
Manual. Follow these recommendations for the
future reliability and economy of your new
vehicle.
GAS STATION INFORMATION