battery INFINITI QX30 2018 Service Manual

•Keep the battery surface clean and dry.
Clean the battery with a solution of baking
soda and water.
•Make certain the terminal connections are
clean and securely tightened.
•If the vehicle is not used for 30 days or
longer, disconnect the
-negative battery
terminal cable to prevent discharge.
NOTE
Care should be taken to avoid situations
that can lead to potential battery discharge
and potential no-start conditions such as:
•Installation or extended use of electronic
accessories that consume battery power
when the engine is not running (Phone
chargers, GPS, DVD players, etc).
•Vehicle is not driven regularly and/or only
driven short distances.
In these cases, the battery may need to be
charged to maintain battery health.
WARNING
•Do not expose the battery to flames, an
electrical spark or a cigarette. Hydrogen
gas generated by the battery is explo-
sive. Explosive gases can cause blind-
ness or injury. Do not allow battery fluid
to contact your skin, eyes, fabrics orpainted surfaces. Sulfuric acid can cause
blindness or injury. After touching a bat-
tery or battery cap, do not touch or rub
your eyes. Thoroughly wash your hands.
If the acid contacts your eyes, skin or
clothing, immediately flush with water
for at least 15 minutes and seek medical
attention.
•Do not operate the vehicle if the fluid in
the battery is low. Low battery fluid can
cause a higher load on the battery which
can generate heat, reduce battery life,
and in some cases lead to an explosion.
•When working on or near a battery, al-
ways wear suitable eye protection and
remove all jewelry.
•Battery posts, terminals and related ac-
cessories contain lead and lead com-
pounds. Wash hands after handling.
•Keep battery out of the reach of chil-
dren.
•Do not tip the battery. Keep the vent
caps tight and the battery level.
ACCESSING VEHICLE BATTERY
The vehicle battery is stored under a cover. To
remove the cover to gain access to the battery:
1. Disconnect the hood release cable1and
any other cables from the battery cover.
NDI1590
BATTERY
Do-it-yourself8-9

2. Hold the battery top cover firmly and slide
it towards the front of the car
2and
upwards
3.
3. Lift the cover up and away from the bat-
tery.
NOTE
When installing the battery cover, remem-
ber to replace cables in their original posi-
tion.
MAINTENANCE FREE BATTERY
For a maintenance free battery it is not re-
quired to check the fluid level. However,
INFINITI recommends to visually check the
status of the green indicator
A(if so
equipped) periodically. If it is not visible, re-
place the battery as soon as possible.
MODELS WITH IDLE
STOP/START SYSTEM
•Ensure that the battery fitted is the special
battery that is enhanced with regard to the
charge-discharge capacity and life perfor-
mance. Avoid using any other battery for
the Idle Stop/Start System, as this may
cause early deterioration of the battery or
a malfunction of the Idle Stop/Start Sys-
tem. It is recommended that a Genuine
INFINITI battery is fitted. For more infor-
mation, it is recommended that you con-
tact an INFINITI retailer.
•If the battery terminal is disconnected (for
battery replacement, etc.) and then recon-
nected, there may be some delay before
the Stop/Start System reactivates.
BATTERY REPLACEMENT
It is recommended that a Genuine INFINITI
battery is fitted. It is recommended that you
visit an INFINITI retailer for this service.
Protective plate for battery
WARNING
Whenever the battery is replaced, always
have the protective plate underneath the
battery also reinstalled or replaced. If this
plate is not reinstalled/replaced, in the
NDI920Z
8-10Do-it-yourself

event of a collision a thermal incident could
occur, causing vehicle damage and poten-
tially causing serious injury of death.
If the vehicle battery is replaced, the protec-
tive plate underneath the battery must also
be replaced. This protective plate must be
fixed to the underside of the replacement
battery using the adhesive tape supplied with
the replacement plate. It is recommended
that you visit an INFINITI retailer to purchase
and replace the protective plate underneath
the battery.
1. Make sure the underside of the replace-
ment battery is dry and free of dust.
2. Remove the backing strips
1from the
adhesive strips.
3. Fix the protective plate to the underside
of the battery without any overlap
2.4. Fit the replacement battery in the vehicle.
NDI1634NDI1635
Do-it-yourself8-11

REINITIALISATION PROCEDURE
AFTER BATTERY
RECONNECTION
If the battery has been reconnected, check
the following items:
•Clock setting (if so equipped). For details,
see "Clock", or the separately provided
INFINITI InTouch Owner’s Manual.
•Reset the desired radio stations to the pre-
set station buttons. For details, see the
audio device descriptions in the separately
provided INFINITI InTouch Owner’s
Manual.
JUMP-STARTING
If jump-starting is necessary, see "Jump
starting". If the engine does not start by jump
starting, the battery may have to be replaced.
It is recommended that you visit an INFINITI
retailer for this service.
WARNING
Be sure the ignition switch is in the OFF
position before servicing drive belt. The en-
gine could rotate unexpectedly.
1. Visually inspect each belt for signs of un-
usual wear, cuts, fraying or looseness. If
the belt is in poor condition or loose, have
it replaced or adjusted. It is recommended
that you visit an INFINITI retailer for this
service.
2. Have the belts checked regularly for con-
dition and tension in accordance with the
maintenance schedule as shown in a
separately provided Warranty Informa-
tion and Maintenance booklet.Replace the spark plugs according to the
maintenance schedule shown in a separate
maintenance booklet.
If replacement is required, it is recommended
that you visit an INFINITI retailer.
Always replace spark plugs with recom-
mended or equivalent ones.
WARNING
Be sure the engine and ignition switch are
off and that the parking brake is engaged
securely.
CAUTION
•Be sure to use the correct socket to re-
move the spark plugs. An incorrect
socket can cause damage to the spark
plugs.
DRIVE BELT SPARK PLUGS
8-12Do-it-yourself

4. To release cover3press retaining clamp
2.
5. Fold out cover
3in the direction of the
arrow to the catch.
6. Remove cover
3forwards.
NOTE
Fuse allocation chart
4is located on the
lower right-hand side of cover
3.To close:
1. Insert cover
3on the left-hand side of
the fuse box into the retainer. Cover
3engages in the retainers.
2. Fold down cover
3until clamps2lock
audibly.
3. Fold back perforated floor covering
1.
4. Fit the floor mats.
CAUTION
Be careful not to allow children to swallow
the battery or removed parts.
NDI1594
INTELLIGENT KEY BATTERY
REPLACEMENT
8-20Do-it-yourself

CHECKING THE BATTERY
Press the(LOCK) or(UNLOCK)
button.
The battery is working properly if the battery
check light
1lights up briefly.
The battery is discharged if the battery check
light
1does not light up briefly. Replace the
battery.
NOTE
•If the key battery is checked within the
signal reception range of the vehicle,
pressing the
(LOCK) or(UN-
LOCK) button locks or unlocks the vehicle.
•You can obtain a battery from an INFINITI
retailer.
REPLACING THE BATTERY
You require a CR 2025 3 V cell battery.
Replace the battery in the Intelligent Key as
follows:
1. Take the emergency key element out of
the key (see "Mechanical key")
2. Press emergency key element
2into the
opening into the key in the direction of the
arrow until the battery cover
1opens.
When doing so, do not hold cover
1shut.
3. Remove battery tray cover
1.4. Repeatedly tap the key against your palm
until battery
1falls out.
NPA1474NPA1472NPA1473
Do-it-yourself8-21

5. Insert the new battery with the positive
terminal facing upwards. Use a lint-free
cloth to do so.
6. Make sure that the surface of the battery
is free of lint, grease and other contami-
nation.
7. Insert the front tabs of battery cover
1and then press to close it.
8. Insert emergency key element into the key
(see "Mechanical key").
9. Check the function of all key buttons on
the vehicle.
If you need assistance with replacement, it is
recommended that you visit an INFINITI re-
tailer for this service.FCC Notice:
For USA:
This device complies with Part 15 of the FCC
Rules. Operation is subject to the following
two conditions: (1) This device may not
cause harmful interference, and (2) this de-
vice must accept any interference received,
including interference that may cause unde-
sired operation.
NOTE
Changes or modifications not expressly ap-
proved by the party responsible for compli-
ance could void the user’s authority to oper-
ate the equipment.
For Canada:
This device complies with Industry Canada
license-exempt RSS standard(s). Operation
is subject to the following two conditions: (1)
this device may not cause interference, and
(2) this device must accept any interference,
including interference that may cause unde-
sired operation of the device.
SPA0784Z
8-22Do-it-yourself

The headlight is a semi-sealed beam type
which uses a replaceable headlight (halogen)
bulb. A bulb can be replaced from inside the
engine compartment without removing the
headlight assembly.
If you need assistance for bulb replacement,
it is recommended that you visit an INFINITI
retailer.
Low/High beam Headlight bulb replace-
ment:
1. Open the hood. For details, see "Hood".
2. Disconnect the negative (—) battery cable.
3. Remove the corresponding access cover
from the wheel arch.
4. Turn housing cover
1counterclockwise
and remove it.
5. Turn bulb holder
2counterclockwise and
pull out
6. Take the headlight bulb out of bulb holder
2.
7. Insert the new bulb into bulb holder
2.
8. Insert bulb holder
2and turn it clockwise.9. Press on housing cover
1and turn it to
the right.
10. Replace the cover in the front wheel arch
11. Reconnect the negative (—) battery cable
and close the hood.
NOTE
Fog may temporarily form inside the lens of
the exterior lights in the rain or in a car wash.
The fog is caused by a temperature differ-
ence between the inside and the outside of
the lens. This is not a malfunction. If large
droplets can be seen, it is recommended that
you visit an INFINITI retailer.
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8-26Do-it-yourself

Front turn signal light bulb
replacement (non-LED system only)
1. Open the hood. For details, see "Hood".
2. Disconnect the negative (—) battery cable.
3. Turn housing cover
1counterclockwise
and remove it.
4. Turn bulb holder
2counterclockwise and
pull out
5. Take the headlight bulb out of bulb holder
2.
6. Insert the new bulb into bulb holder
2.7. Insert bulb holder
2and turn it clockwise.
8. Press on housing cover
1and turn it to
the right.
9. Reconnect the negative (—) battery cable
and close the hood.If you have a flat tire, refer to "Flat tire".TIRE PRESSURE
Tire Pressure Monitoring System
(TPMS)
The Tire Pressure Monitoring System (TPMS)
monitors tire pressure of all tires. When the
low tire pressure warning light is lit, one or
more of the tires is significantly under-
inflated.
The TPMS will activate only when the vehicle
is driven at speeds above 16 MPH (25 km/h).
Also, this system may not detect a sudden
drop in tire pressure (for example a flat tire
while driving).
For additional information, refer to "Tire
Pressure Monitoring System (TPMS)".
NDI1612
WHEELS AND TIRES
Do-it-yourself8-27

Parking brake*:
Check the parking brake operation regularly.
Also make sure that the vehicle is held se-
curely on a fairly steep hill when only the
parking brake is applied. If the parking brake
needs adjustment, it is recommended you
visit an INFINITI retailer for this service.
Seats:
Check seat position controls such as seat
adjusters, seatback recliner, etc. to ensure
they operate smoothly and that all latches
lock securely in every position. Check that the
head restraints move up and down smoothly
and that the locks (if so equipped) hold se-
curely in all latched positions.
Seat belts:
Check that all parts of the seat belt system
(for example, buckles, anchors, adjusters and
retractors) operate properly and smoothly,
and are installed securely. Check the belt
webbing for cuts, fraying, wear or damage.
Steering wheel:
Check for changes in the steering condition,
such as excessive free play, hard steering or
strange noises.
Warning lights and chimes:
Make sure that all warning lights and chimes
are operating properly.Windshield defroster:
Check that the air comes out of the defroster
outlets properly and in good quantity when
operating the heater or air conditioner.
Windshield wiper and washer*:
Check that the wipers and washer operate
properly and that the wipers do not streak.
Under the hood and vehicle
The maintenance items listed here should be
checked periodically (for example, each time
you check the engine oil or refuel).
Battery*:
Except for maintenance free battery, check
the fluid level in each cell. It should be be-
tween the “UPPER” and “LOWER” lines.
NOTE
Care should be taken to avoid situations
that can lead to potential battery discharge
and potential no-start conditions such as:
1. Installation or extended use of electronic
accessories that consume battery power
when the engine is not running (Phone
chargers, GPS, DVD players, etc.)
2. Vehicle is not driven regularly and/or
only driven short distances.
In these cases, the battery may need to be
charged to maintain battery health.Brake fluid level*:
Make sure that the brake fluid level is be-
tween the “MAX” and “MIN” lines on the res-
ervoir.
Coolant level*:
Check the coolant level when the engine is
cold.
Engine drive belt(s)*:
Make sure that no belt is frayed, worn,
cracked or oily.
Engine oil level*:
Check the level after parking the vehicle on a
level spot and turning off the engine. Wait
more than 15 minutes for the oil to drain back
into the oil pan.
Exhaust system:
Make sure there are no loose supports,
cracks or holes. If the sound of the exhaust
seems unusual or there is a smell of exhaust
fumes, immediately have the exhaust system
inspected. It is recommended you visit an
INFINITI retailer for this service. See "Precau-
tions when starting and driving".
Fluid leaks:
Check under the vehicle for fuel, oil, water or
other fluid leaks after the vehicle has been
parked for a while. Water dripping from the
9-4Maintenance and Schedules