Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TENSIONER”
Supplemental Restraint System (SRS) “AIR
BAG” and “SEAT BELT PRE-TENSIONER”
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELTPRE-TENSIONER” used along with
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
collision. The SRS system composition which is available to INFINITI QX4 is as follows:
IFor a frontal collision
The Supplemental Restraint System consists of driver air bag module (located in the center of the steering wheel), front passenger air bag module (located on the instrument panel on passenger side), seat belt
pre-tensioners, a diagnosis sensor unit, warning lamp, wiring harness and spiral cable.
IFor a side collision
The Supplemental Restraint System consists of side air bag module (located in the outer side of front seat),
satellite sensor, diagnosis sensor unit (one ofcomponents of air bags for a frontal collision),wiring harness,
warning lamp (one of components of air bags for a frontal collision).
Information necessary to service the system safely is included in the RS section of this Service Manual.
WARNING:
ITo avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be performed
by an authorized INFINITI dealer.
IImproper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the RS section.
IDo not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. Spiral cable and wiring harnesses covered with yellow insulation tape either just
before the harness connectors or for the complete harness are related to the SRS.
NBMA0001
EXIT
EXIT
MA-2
PREPARATION
Special Service Tool
EXIT
EXIT
Special Service Tool
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
KV10115801
(J38956)
Oil filter cap wrench
Description
Removing oil filter
a: 64.3 mm (2.531 in)
NT375
Commercial Service Tool
Tool name
(Kent-Moore No.)
Belt tension gauge
(BT3373-F)
Description
Checking drive belt tension
AMA126
NBMA0002
NBMA0041
GI
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PD
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SU
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MA-3
IDX
NBMA0003
GENERAL MAINTENANCE
General maintenance includes those items which should be checked during the normal day-to-day operation
of the vehicle. They are essential if the vehicle is to continue operating properly. The owners can perform
checks and inspections themselves or they can have their INFINITI dealers do them.
OUTSIDE THE VEHICLE
The maintenance items listed here should be performed from time to time, unless otherwise specified.
ItemReference page
TiresCheck the pressure with a gauge periodically when at a service station,
including the spare, and adjust to the specified pressure if necessary. Check
carefully for damage, cuts or excessive wear.
—
EXIT
EXIT
Wheel nutsWhen checking the tires, make sure no nuts are missing, and check for any
loose nuts. Tighten if necessary.
Tire rotationTires should be rotated every 12,000 km (7,500 miles).MA-24
Wheel alignment and
balance
Windshield wiper
blades
Doors and engine
hood
If the vehicle pulls to either side while driving on a straight and level road, or
if you detect uneven or abnormal tire wear, there may be a need for wheel
alignment. If the steering wheel or seat vibrates at normal highway speeds,
wheel balancing may be needed.
Check for cracks or wear if they do not wipe properly.—
Check that all doors and the engine hood operate smoothly as well as the
trunk lid and back hatch. Also make sure that all latches lock securely. Lubricate if necessary. Make sure that the secondary latch keeps the hood from
opening when the primary latch is released.
When driving in areas using road salt or other corrosive materials, check
lubrication frequently.
MA-24, SU-6, “Front
—
Wheel Alignment”
MA-27
INSIDE THE VEHICLE
The maintenance items listed here should be checked on a regular basis, such as when performing periodic maintenance, cleaning the
vehicle, etc.
ItemReference page
LampsMake sure that the headlamps, stop lamps, tail lamps, turn signal lamps, and
other lamps are all operating properly and installed securely. Also check
headlamp aim.
—
Warning lamps and
buzzers/chimes
Windshield wiper
and washer
Windshield defroster Check that the air comes out of the defroster outlets properly and in sufficient
Steering wheelCheck that it has the specified play. Be sure to check for changes in the
SeatsCheck seat position controls such as seat adjusters, seatback recliner, etc. to
Seat beltsCheck that all parts of the seat belt system (e.g. buckles, anchors, adjusters
BrakesCheck that the brake does not pull the vehicle to one side when applied.—
Make sure that all warning lamps and buzzers/chimes are operating properly.—
Check that the wipers and washer operate properly and that the wipers do
not streak.
quantity when operating the heater or air conditioning.
steering condition, such as excessive play, hard steering or strange noises.
Free play: Less than 35 mm (1.38 in)
make sure they operate smoothly and that all latches lock securely in every
position. Check that the head restrains move up and down smoothly and that
the locks (if equipped) hold securely in all latched positions. Check that the
latches lock securely for folding-down rear seatbacks.
and retractors) operate properly and smoothly and are installed securely.
Check the belt webbing for cuts, fraying, wear or damage.
MA-28, RS-8, “Seat
—
—
—
—
Belt Inspection”
MA-4
GENERAL MAINTENANCE
ItemReference page
EXIT
EXIT
Brake pedal and
booster
Parking brakeCheck that the lever has the proper travel and make sure that the vehicle is
Automatic transmission “Park” mechanism
Check the pedal for smooth operation and make sure it has the proper distance under it when depressed fully. Check the brake booster function. Be
sure to keep floor mats away from the pedal.
held securely on a fairly steep hill when only the parking brake is applied.
Check that the lock release button on the selector lever operates properly
and smoothly. On a fairly steep hill check that the vehicle is held securely
with the selector lever in the “P” position without applying any brakes.
BR-13, “Brake Pedal
and Bracket” and
BR-18, “Brake Booster”
BR-30, “Parking Brake
Control”
—
UNDER THE HOOD AND VEHICLE
The maintenance items listed here should be checked periodically (e.g. each time you check the engine oil or refuel).
ItemReference page
Windshield washer
fluid
Engine coolant levelCheck the coolant level when the engine is cold.MA-15
Radiator and hosesCheck the front of the radiator and clean off any dirt, insects, leaves, etc.,
Brake fluid levelsMake sure that the brake fluid levels are between the “MAX” and “MIN” lines
BatteryCheck the fluid level in each cell. It should be between the “MAX” and “MIN”
Engine drive beltsMake sure that no belt is frayed, worn, cracked or oily.MA-13
Check that there is adequate fluid in the tank.—
that may have accumulated. Make sure the hoses have no cracks,
deformation, deterioration or loose connections.
on the reservoir.
lines.
—
MA-25
—
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Engine oil levelCheck the level on the dipstick after parking the vehicle on a level spot and
turning off the engine.
Power steering fluid
level and lines
Automatic transmission fluid level
Exhaust systemMake sure there are no loose supports, cracks or holes. If the sound of the
UnderbodyThe underbody is frequently exposed to corrosive substances such as those
Fluid leaksCheck under the vehicle for fuel, oil, water or other fluid leaks after the
Check the level on the dipstick with the engine off. Check the lines for
improper attachment, leaks, cracks, etc.
Check the level on the dipstick after putting the selector lever in “P” with the
engine idling.
exhaust seems unusual or there is a smell of exhaust fumes, immediately
locate the trouble and correct it.
used on icy roads or to control dust. It is very important to remove these
substances, otherwise rust will form on the floor pan, frame, fuel lines and
around the exhaust system. At the end of winter, the underbody should be
thoroughly flushed with plain water, being careful to clean those areas where
mud and dirt can easily accumulate.
vehicle has been parked for a while. Water dripping from the air conditioner
after use is normal. If you should notice any leaks or gasoline fumes are
evident, check for the cause and correct it immediately.
MA-17
MA-27
MA-21
MA-21
—
—
SU
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RS
BT
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MA-5
NBMA0004
PERIODIC MAINTENANCE
Two different maintenance schedules are provided, and should be used, depending upon the conditions in
which the vehicle is mainly operated. After 60,000 miles (96,000 km) or 48 months, continue the periodic
maintenance at the same mileage/time intervals.
EXIT
EXIT
Schedule 1
Schedule 2
Follow Periodic Maintenance Schedule 1 if your driving habits frequently
includes one or more of the following driving conditions:
I Repeated short trips of less than 5 miles (8 km).
I Repeated short trips of less than 10 miles (16 km) with outside tempera-
tures remaining below freezing.
I Operating in hot weather in stop-and-go “rush hour” traffic.
I Extensive idling and/or low speed driving for long distances, such as police,
taxi or door-to-door delivery use.
I Driving in dusty conditions.
I Driving on rough, muddy, or salt spread roads.
I Towing a trailer, using a camper or a car-top carrier.
Follow Periodic Maintenance Schedule 2 if none of the driving conditions
shown in Schedule 1 apply to your driving habits.
Emission Control System Maintenance
Chassis and Body
Maintenance
Emission Control System Maintenance
Chassis and Body
Maintenance
MA-7
MA-8
MA-9
MA-10
Maintenance for off-road driving
Whenever you drive off-road through sand, mud or water, more frequent maintenance may be required of the
following items:
G Brake pads and rotors
G Brake lining and drums
G Brake lines and hoses
G Wheel bearing grease
G Differential, transmission and transfer oil
G Steering linkage
G Propeller shaft and drive shafts
G Air cleaner filter
MA-6
PERIODIC MAINTENANCE
Schedule 1
EXIT
EXIT
Schedule 1
EMISSION CONTROL SYSTEM MAINTENANCE
or
- Page
Section
Reference
60
(96)
(90)
56.25
(84)
52.5
(78)
48.75
45
(72)
(66)
41.25
(60)
37.5
- Content Title
48
45
42
39
36
33
30
[R]MA-19
EM-18, “Tim-
ing Belt”
NBMA0004S01
NBMA0004S0101
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Abbreviations: R = Replace. I = Inspect. Correct or replace if necessary. [ ]: At the mileage intervals only
Miles x
(54)
33.75
30
(48)
(42)
26.25
(36)
22.5
(30)
18.75
15
(24)
(18)
11.25
7.5
(12)
(6)
3.75
(km x
1,000
27
24
21
18
15
12
9
6
3
1,000)
Months
PD
AX
SU
BR
ST
RS
BT
RRRRRRRRRRRRRRRR MA-18
HA
SC
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Drive beltsI*I*MA-13
Air cleaner filterNOTE (1)[R][R]MA-17
EVAP vapor linesI*I*MA-20
Fuel linesI*I*MA-16
Fuel filter*NOTE (2)MA-16
Engine coolantNOTE (3)R*MA-14
Engine oilRRRRRRRRRRRRRRRR MA-17
Engine oil filter (Use part
No. 15208-31U00 or
equivalent.)
Spark plugs (PLATINUM-
TIPPED type)
MAINTENANCE OPERATIONMAINTENANCE INTERVAL
Perform at number of miles,
kilometers or months,
whichever comes first.
Timing beltReplace every 105,000 miles (168,000 km)
NOTE:
(1) If operating mainly in dusty conditions, more frequent maintenance may be required.
(2) When the filter becomes clogged, the vehicle speed cannot be increased as the driver wishes. In such an event, replace the filter.
(3) After 60,000 miles (96,000 km) or 48 months, replace every 30,000 miles (48,000 km) or 24 months.
★ Maintenance items and intervals with “*” are recommended by INFINITI for reliable vehicle operation. The owner need not perform such maintenance in order to maintain the
emission warranty or manufacturer recall liability. Other maintenance items and intervals are required.
MA-7
Schedule 1 (Cont’d)
PERIODIC MAINTENANCE
EXIT
EXIT
CHASSIS AND BODY MAINTENANCE
- Page
Section
Reference
60
(96)
(90)
56.25
(84)
52.5
(78)
48.75
45
(72)
(66)
41.25
(60)
37.5
(54)
33.75
or
- Content Title
48
45
42
39
36
33
30
27
MA-26
NOTE (6)
Shaft”
AX-10, “Drive
AX-4, “Front
Wheel Bearing”
tenance Items”
RS-15, “Main-
HA-124, “Venti-
lation Air Filter”
ACTUATOR/
EL-191, “ASCD
NBMA0004S0102
PUMP CHECK”
Abbreviations: R = Replace. I = Inspect. Correct or replace if necessary. L = Lubricate
30
26.25
22.5
18.75
15
11.25
7.5
3.75
Miles x
(48)
(42)
(36)
(30)
(24)
(18)
(12)
(6)
1,000
(km x 1,000)
24
21
18
15
12
9
6
3
Months
IIIIIIIIMA-25, 26
IIIIIIII
NOTE (1)IIIIMA-21, 22, 23
MAINTENANCE OPERATIONMAINTENANCE INTERVAL
Perform at number of miles,
kilometers or months, whichever
comes first.
Brake lines & cablesIIIIMA-25
Brake pads, rotors, drums & lin-
ings
Automatic transmission & all-
mode 4WD transfer fluid & dif-
ferential gear oil (exc. LSD)
LSD gear oilNOTE (1)IRIRMA-24
Steering gear, linkage & transfer
gear, axle & suspension parts
Tire rotationNOTE (2)MA-4
Drive shaft bootsIIIIIIII
Propeller shaftNOTE (3)LLLLLLLLMA-23
Front wheel bearing greaseNOTE (4)IRIR
Exhaust systemIIIIIIIIMA-21
Ventilation air filterIRIRIRIR
Supplemental air bag systemsNOTE (5)
ASCD vacuum hosesIIII
NOTE:
(1) If towing a trailer, using a camper or a car-top carrier, or driving on rough or muddy roads, change (not just inspect) fluid (A/T, all mode 4WD transfer)/differential gear oil (exc.
LSD) at every 30,000 miles (48,000 km) or 24 months, and change LSD gear oil every 15,000 miles (24,000 km) or 12 months.
(2) Refer to “Tire rotation” under the “GENERAL MAINTENANCE” heading earlier in this section.
(3) The propeller shaft should be re-greased after being immersed in water.
(4) If operating frequently in water, replace grease every 3,750 miles (6,000 km) or 3 months.
(5) Inspect the air bag system 10 years after the date of manufacture noted on the FMVSS certification label.
(6) Refer to SU-5, “Front Suspension Parts” and SU-16, “Rear Suspension Parts”, AX-3, “Front Axle Parts” and AX-18, “Rear Axle Parts”.
MA-8
PERIODIC MAINTENANCE
Schedule 2
EXIT
EXIT
Schedule 2
EMISSION CONTROL SYSTEM MAINTENANCE
or
- Page
60
52.5
45
37.5
- Content Title
(96)
(84)
(72)
(60)
48
42
36
30
Reference Section
NBMA0004S02
NBMA0004S0201
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Abbreviations: R = Replace. I = Inspect. Correct or replace if necessary. [ ]: At the mileage intervals only
30
(48)
(36)
22.5
15
(24)
7.5
(12)
(km x 1,000)
Miles x 1,000
24
18
12
6
Months
PD
AX
SU
BR
RRRRRRRRMA-18
ST
RS
BT
HA
SC
MAINTENANCE OPERATIONMAINTENANCE INTERVAL
Perform at number of miles, kilometers
or months, whichever comes first.
Drive beltsI*I*MA-13
Air cleaner filter[R][R]MA-17
EVAP vapor linesI*I*MA-20
Fuel linesI*I*MA-16
Fuel filter*NOTE (1)MA-16
Engine coolantNOTE (2)R*MA-14
Engine oilRRRRRRRRMA-17
Engine oil filter (Use part No. 15208-
31U00 or equivalent.)
Spark plugs (PLATINUM-TIPPED type)[R]MA-19
Timing beltReplace every 105,000 miles (168,000 km)EM-18, “Timing Belt”
MA-9
NOTE:
(1) When the filter becomes clogged, the vehicle speed cannot be increased as the driver wishes. In such an event, replace the filter.
(2) After 60,000 miles (96,000 km) or 48 months, replace every 30,000 miles (48,000 km) or 24 months.
★ Maintenance items and intervals with “*” are recommended by INFINITI for reliable vehicle operation. The owner need not perform such maintenance in order to maintain the
emission warranty or manufacturer recall liability. Other maintenance items and intervals are required.
EL
IDX
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