Lexus LS500 (2022 year). Manual in english — page 23
378
6-2. Maintenance
LEXUS LS500 Owner's Manual
The OBD system determines that a
problem exists somewhere in the emis-
sion control system. Your vehicle may
not pass the I/M test and may need to
be repaired. Contact your Lexus
dealer to service the vehicle.
When the battery is disconnected
or discharged
Readiness codes that are set during ordi-
nary driving are erased.
Also, depending on your driving habits, the
readiness codes may not be completely
set.
When the fuel tank cap is loose
The malfunction indicator lamp comes on
indicating a temporary malfunction and
your vehicle may not pass the I/M test.
The error code in the OBD system will
not be cleared unless the vehicle is
driven 40 or more times.
Contact your Lexus dealer to prepare
the vehicle for re-testing.
Emission inspection and
maintenance (I/M) pro-
grams
Some states have vehicle emission
inspection programs which include
OBD (On Board Diagnostics)
checks. The OBD system monitors
the operation of the emission con-
trol system.
If the malfunction indicator lamp
comes on
Your vehicle may not pass the
I/M test in the following situa-
tions:
When the malfunction indicator
lamp still remains on after sev-
eral driving trips
If your vehicle does not pass the
I/M test
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6-3.Do-it-yourself maintenance
Do-it-yourself service pre-
cautions
If you perform maintenance by
yourself, be sure to follow the cor-
rect procedure as given in these
sections.
Maintenance
Items
Parts and tools
Battery condition
(
• Grease
• Conventional
wrench (for terminal
clamp bolts)
Brake fluid level
(
• FMVSS No.116 DOT
3 or SAE J1703
brake fluid
FMVSS No.116 DOT
4 or SAE J1704
brake fluid
• Rag or paper towel
• Funnel (used only for
adding brake fluid)
Engine/inter-
cooler coolant
level (
• “Toyota Super Long
Life Coolant” or a
similar high quality
ethylene gly-
col-based non-sili-
cate, non-amine,
non-nitrite and
non-borate coolant
with long-life hybrid
organic acid tech-
nology
For the U.S.A.:
“Toyota Super Long
Life Coolant” is
pre-mixed with 50%
coolant and 50%
deionized water.
For Canada:
“Toyota Super Long
Life Coolant” is
pre-mixed with 55%
coolant and 45%
deionized water.
• Funnel (used only for
adding coolant)
Engine oil level
(
• “Toyota Genuine
Motor Oil” or equiv-
alent
• Rag or paper towel
• Funnel (used only for
adding engine oil)
Fuses (
• Fuse with same
amperage rating as
original
Headlight aim
(
• Phillips-head screw-
driver
Items
Parts and tools
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Radiator, con-
denser, inter-
cooler radiator
and intercooler
sub radiator
(
Tire inflation pres-
sure (
• Tire pressure gauge
• Compressed air
source
Washer fluid
(
• Water or washer
fluid containing anti-
freeze (for winter
use)
• Funnel (used only for
adding water or
washer fluid)
WARNING
The engine compartment contains many
mechanisms and fluids that may move
suddenly, become hot, or become elec-
trically energized. To avoid death or seri-
ous injury, observe the following
precautions.
■
When working on the engine com-
partment
●
Keep hands, clothing and tools away
from the moving fan and engine drive
belt.
●
Be careful not to touch the engine,
radiator, exhaust manifold, etc. right
after driving as they may be hot. Oil
and other fluids may also be hot.
●
Do not leave anything that may burn
easily, such as paper and rags, in the
engine compartment.
●
Do not smoke, cause sparks or expose
an open flame to fuel. Fuel fumes are
flammable.
Items
Parts and tools
■
When working near the electric cool-
ing fan or radiator grille
Be sure the engine switch is off.
With the engine switch in IGNITION
ON mode, the electric cooling fan may
automatically start to run if the air condi-
tioning is on and/or the coolant tempera-
ture is high. (
■
Safety glasses
Wear safety glasses to prevent flying or
falling material, fluid spray, etc. from get-
ting in your eyes.
NOTICE
■
If you remove the air cleaner filter
Driving with the air cleaner filter
removed may cause excessive engine
wear due to dirt in the air.
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1
Pull the hood lock release lever.
The hood will pop up slightly.
2
Pull up the auxiliary catch lever and
lift the hood.
■
Front
2WD models
Hood
Opening the hood
WARNING
■
Pre-driving check
Check that the hood is fully closed and
locked.
If the hood is not locked properly, it may
open while the vehicle is in motion and
cause an accident, which may result in
death or serious injury.
Positioning a floor jack
When using a floor jack, follow the
instructions in the manual provided
with the jack and perform the oper-
ation safely.
When raising your vehicle with a
floor jack, position the jack cor-
rectly. Improper placement may
damage your vehicle or cause
injury.
Location of the jack point
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LEXUS LS500 Owner's Manual
AWD models
■
Rear
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Fuse boxes (
Engine oil filler cap (
Engine coolant reservoir (
Intercooler coolant reservoir (
Engine oil level dipstick (
Brake fluid reservoir (
Washer fluid tank (
Radiator (
Intercooler radiator (
Electric cooling fan
Condenser (
Intercooler sub radiator (
For AWD models:
The engine oil level dipstick is located on the opposite side of the engine.
■
Battery
Engine compartment
Components
A
B
C
D
E
F
G
H
I
J
K
L
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LEXUS LS500 Owner's Manual
■
Removing the engine compartment cover
Outside
Front
■
Installing the clips
1
Push up center portion
2
Insert
3
Press
■
Removing the engine cover
Lift the front of the engine cover
straight up and then pull it forward.
Engine compartment cover
A
NOTICE
■
Checking the engine compartment
cover after installation
Make sure that the cover is securely
installed in its original position.
Engine cover
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■
Installing the engine cover
Engage the claws of the engine cover
to install it.
■
Removing the service cover
1
Pull up the passenger side end of
the rubber strip to disengage it
from the vehicle body.
2
Remove the service cover.
Push the tabs and lift away the service
cover.
■
Installing the service cover
1
Install the service cover.
Make sure to engage the claws on the
windshield side of the service cover when
installing the service cover.
NOTICE
■
Checking the engine cover after
installation
Make sure that the cover is securely
installed in its original position.
Service cover
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LEXUS LS500 Owner's Manual
2
Engage the rubber strip to the vehi-
cle body.
With the engine at operating tempera-
ture and turned off, check the oil level
on the dipstick.
■
Checking the engine oil
1
Park the vehicle on level ground.
After warming up the engine and
turning it off, wait more than 5 min-
utes for the oil to drain back into the
bottom of the engine.
2
Holding a rag under the end, pull
the dipstick out.
2WD models
AWD models
3
Wipe the dipstick clean.
4
Reinsert the dipstick fully.
5
Holding a rag under the end, pull
the dipstick out and check the oil
level.
Low
Normal
Excessive
The shape of the dipstick may differ
depending on the type of vehicle or
engine.
6
Wipe the dipstick and reinsert it
fully.
■
Checking the oil type and prepar-
ing the item needed
Make sure to check the oil type and
prepare the items needed before add-
ing oil.
Engine oil selection
NOTICE
■
Checking the service cover after
installation
Make sure that the cover is securely
installed in its original position.
Checking and adding the engine
oil
A
B
C
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Oil quantity (Low
Full)
1.6 qt. (1.5 L, 1.3 Imp. qt.)
Item
Clean funnel
■
Adding engine oil
If the oil level is below or near the low
level mark, add engine oil of the same
type as that already in the engine.
2WD models
AWD models
1
Remove the oil filler cap by turning
it counterclockwise.
2
Add engine oil slowly, checking the
dipstick.
3
Install the oil filler cap by turning it
clockwise.
■
Engine oil consumption
A certain amount of engine oil will be con-
sumed while driving. In the following situa-
tions, oil consumption may increase, and
engine oil may need to be refilled in
between oil maintenance intervals.
●
When the engine is new, for example
directly after purchasing the vehicle or
after replacing the engine
●
If low quality oil or oil of an inappropriate
viscosity is used
●
When driving at high engine speeds or
with a heavy load, or when driving while
accelerating or decelerating frequently
●
When leaving the engine idling for a long
time, or when driving frequently through
heavy traffic
■
After changing the engine oil
The engine oil maintenance data should be
reset. Perform the following procedures:
1
Press
or
of the meter control
switch to select
.
2
Press
or
to select “Vehicle Set-
tings” and then press
.
3
Press
or
to select “Oil Mainte-
nance” and then press
.
4
Press
or
to select “Yes” and
then press
.
A message will be displayed on the
multi-information display when the reset
procedure has been completed.
WARNING
■
Used engine oil
●
Used engine oil contains potentially
harmful contaminants which may
cause skin disorders such as inflamma-
tion and skin cancer, so care should be
taken to avoid prolonged and
repeated contact. To remove used
engine oil from your skin, wash thor-
oughly with soap and water.
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LEXUS LS500 Owner's Manual
■
Engine coolant reservoir
The coolant level is satisfactory if it is
between the “F” and “L” lines on the
reservoir when the engine is cold.
Reservoir cap
“F” line
“L” line
If the level is on or below the “L” line, add
coolant up to the “F” line. (
■
Intercooler coolant reservoir
The coolant level is satisfactory if it is
between the “F” and “L” lines on the
reservoir when the engine is cold.
Reservoir cap
“F” line
“L” line
If the level is on or below the “L” line, add
coolant up to the “F” line. (
■
Coolant selection
Only use “Toyota Super Long Life Coolant”
or a similar high quality ethylene glycol
based non-silicate, non-amine, non-nitrite,
and non-borate coolant with long-life
hybrid organic acid technology.
U.S.A.:
“Toyota Super Long Life Coolant” is a mix-
ture of 50% coolant and 50% deionized
water. (Minimum temperature: -31°F
[-35°C])
Canada:
“Toyota Super Long Life Coolant” is a mix-
ture of 55% coolant and 45% deionized
water. (Minimum temperature: -44°F
[-42°C])
For more details about coolant, contact
WARNING
●
Dispose of used oil and filters only in a
safe and acceptable manner. Do not
dispose of used oil and filters in house-
hold trash, in sewers or onto the
ground.
Call your Lexus dealer, service station
or auto parts store for information
concerning recycling or disposal.
●
Do not leave used engine oil within the
reach of children.
NOTICE
■
To prevent serious engine damage
Check the oil level on a regular basis.
■
When replacing the engine oil
●
Be careful not to spill engine oil on the
vehicle components.
●
Avoid overfilling, or the engine could
be damaged.
●
Check the oil level on the dipstick
every time you refill the vehicle.
●
Be sure the engine oil filler cap is prop-
erly tightened.
Checking the coolant
A
B
C
A
B
C
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your Lexus dealer.
■
If the coolant level drops within a short
time of replenishing
Visually check the radiator, hoses, engine
coolant reservoir caps, drain cock and
water pump.
If you cannot find a leak, have your Lexus
dealer test the cap and check for leaks in
the cooling system.
Check the radiator, condenser, inter-
cooler radiator and intercooler sub
radiator and clear away any foreign
objects. If either of the above parts is
extremely dirty or you are not sure of
their condition, have your vehicle
inspected by your Lexus dealer.
■
Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN” lines
on the tank.
■
Adding fluid
Make sure to check the fluid type and
prepare the necessary item.
Fluid type
FMVSS No.116 DOT 3 or SAE J1703
brake fluid
FMVSS No.116 DOT 4 or SAE J1704
brake fluid
Item
Clean funnel
■
Brake fluid can absorb moisture from
the air
Excess moisture in the brake fluid can cause
WARNING
■
When the engine is hot
Do not remove the engine coolant reser-
voir cap, the intercooler coolant reser-
voir cap and the coolant inlet cap.
(
The cooling system may be under pres-
sure and may spray hot coolant if the cap
is removed, causing serious injuries, such
as burns.
NOTICE
■
When adding coolant
Coolant is neither plain water nor
straight antifreeze. The correct mixture
of water and antifreeze must be used to
provide proper lubrication, corrosion
protection and cooling. Be sure to read
the antifreeze or coolant label.
■
If you spill coolant
Be sure to wash it off with water to pre-
vent it from damaging parts or paint.
Checking the radiator, con-
denser, intercooler radiator (if
equipped) and intercooler sub
radiator (if equipped)
WARNING
■
When the engine is hot
Do not touch the radiator, condenser,
intercooler radiator or intercooler sub
radiator as they may be hot and cause
serious injuries, such as burns.
Checking and adding the brake
fluid
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6-3. Do-it-yourself maintenance
LEXUS LS500 Owner's Manual
a dangerous loss of braking efficiency. Use
only newly opened brake fluid.
If any washer does not work or the
warning message appears on the
multi-information display, the washer
tank may be empty. Add washer fluid.
WARNING
■
When filling the reservoir
Take care as brake fluid can harm your
hands and eyes and damage painted sur-
faces.
If fluid gets on your hands or in your eyes,
flush the affected area with clean water
immediately.
If you still experience discomfort, see a
doctor.
NOTICE
■
If the fluid level is low or high
It is normal for the brake fluid level to go
down slightly as the brake pads wear out
or when the fluid level in the accumulator
is high.
If the reservoir needs frequent refilling,
there may be a serious problem.
Adding the washer fluid
WARNING
■
When adding washer fluid
Do not add washer fluid when the engine
is hot or running as washer fluid contains
alcohol and may catch fire if spilled on
the engine, etc.
NOTICE
■
Do not use any fluid other than
washer fluid
Do not use soapy water or engine anti-
freeze instead of washer fluid.
Doing so may cause streaking on the
vehicle’s painted surfaces, as well as
damaging the pump leading to problems
of the washer fluid not spraying.
■
Diluting washer fluid
Dilute washer fluid with water as neces-
sary.
Refer to the freezing temperatures listed
on the label of the washer fluid bottle.
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The battery is located in the trunk
under the luggage mat.
Removing the luggage mat:
■
Before recharging
When recharging, the battery produces
hydrogen gas which is flammable and
explosive. Therefore, observe the following
precautions before recharging:
●
If recharging with the battery installed on
the vehicle, be sure to disconnect the
ground cable.
●
Make sure the charger is off when con-
necting and disconnecting the charger
cables to the battery.
■
After recharging/reconnecting the bat-
tery
●
Unlocking the doors using the smart
access system with push-button start may
not be possible immediately after recon-
necting the battery. If this happens, use
the wireless remote control or the
mechanical key to lock/unlock the doors.
●
Start the engine with the engine switch in
ACCESSORY mode. The engine may
not start with the engine switch turned off.
However, the engine will operate nor-
mally from the second attempt.
●
The engine switch mode is recorded by
the vehicle. If the battery is reconnected,
the vehicle will return the engine switch
mode to the status it was in before the
battery was disconnected. Make sure to
turn off the engine switch before discon-
necting the battery. Take extra care when
connecting the battery if the engine
switch mode prior to discharge is
unknown.
If the system will not start even after multiple
attempts, contact your Lexus dealer.
Battery
Location
WARNING
■
Chemicals in the battery
The battery contains poisonous and cor-
rosive sulfuric acid and may produce
hydrogen gas which is flammable and
explosive. To reduce the risk of death or
serious injury, take the following precau-
tions while working on or near the bat-
tery:
●
Do not cause sparks by touching the
battery terminals with tools.
●
Do not smoke or light a match near the
battery.
●
Avoid contact with eyes, skin and
clothes.
●
Never inhale or swallow electrolyte.
●
Wear protective safety glasses when
working near the battery.
●
Keep children away from the battery.
■
Where to safely charge the battery
Always charge the battery in an open
area. Do not charge the battery in a
garage or closed room where there is
insufficient ventilation.
■
Emergency measures regarding
electrolyte
●
If electrolyte gets in your eyes
Flush your eyes with clean water for at
least 15 minutes and get immediate
medical attention. If possible, continue
to apply water with a sponge or cloth
while traveling to the nearest medical
facility.
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LEXUS LS500 Owner's Manual
Make sure that the battery terminals
are not corroded and that there are no
loose connections, cracks, or loose
clamps.
Terminals
Hold-down clamp
Check the battery condition by indica-
tor color.
Blue: Good condition
Red: Charging is necessary.
Have the vehicle inspected by your
Lexus dealer.
Clear: Replacement is necessary.
Have the battery checked by your
Lexus dealer.
WARNING
●
If electrolyte gets on your skin
Wash the affected area thoroughly. If
you feel pain or burning, get medical
attention immediately.
●
If electrolyte gets on your clothes
It can soak through clothing on to your
skin. Immediately take off the clothing
and follow the procedure above if nec-
essary.
●
If you accidentally swallow electrolyte
Drink a large quantity of water or milk.
Get emergency medical attention
immediately.
■
When replacing the battery
Use a battery designed for this vehicle.
Failure to do so may cause gas (hydro-
gen) to enter the passenger compart-
ment, causing a fire or explosion.
For replacement of the battery, contact
your Lexus dealer.
NOTICE
■
When recharging the battery
Never recharge the battery while the
engine is running. Also, be sure all acces-
sories are turned off.
Exterior
Checking the battery condition
A
B
A
B
C
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Check if the treadwear indicators are
showing on the tires. Also check the
tires for uneven wear, such as excessive
wear on one side of the tread.
New tread
Worn tread
Treadwear indicator
The location of treadwear indicators is
shown by a “TWI” or “
” mark, etc.,
molded into the sidewall of each tire.
Replace the tires if the treadwear indica-
tors are showing on a tire.
■
When to replace your vehicle’s tires
Tires should be replaced if:
●
The treadwear indicators are showing on
a tire.
●
You have tire damage such as cuts, splits,
cracks deep enough to expose the fabric,
and bulges indicating internal damage
●
A tire goes flat repeatedly or cannot be
properly repaired due to the size or loca-
tion of a cut or other damage
If you are not sure, consult with your Lexus
dealer.
■
Tire life
Any tire over 6 years old must be checked
by a qualified technician even if it has sel-
dom or never been used or damage is not
obvious.
■
Maximum load of tire
Check that the maximum load of the
replacement tire is greater than 1/2 of the
Gross Axle Weight Ratings (GAWR) of
either the front axle or the rear axle, which-
ever is greater.
For the GAWR, see the Certification Label.
For the maximum load of the tire, see the
load limit at maximum cold tire inflation
pressure mentioned on the sidewall of the
tire. (
■
Tire types
●
Summer tires
Summer tires are high-speed performance
tires best suited to highway driving under
dry conditions. Since summer tires do not
have the same traction performance as
snow tires, summer tires are inadequate for
driving on snow-covered or icy roads. For
driving on snow-covered roads or icy
Tires
Replace or rotate tires in accor-
dance with maintenance schedules
and treadwear.
Checking tires
A
B
C
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