Specifications228
Checking battery condition232
Battery recharging precautions236
Checking and replacing the blade type fuses237
Checking the cartridge type fuses239
Adding washer fluid240
Checking the headlight aim240
Replacing light bulbs242
Radio, cassette tape player,
compact disc player, power
antenna, power rear view
mirrors
Tail lights, parking lights, side
marker lights, license plate lights
Cruise control system, power
steering control system, shift
lock system, anti–lock brake
system, SRS airbag system,
power door lock system, preset
steering system, traction control
system, electronically controlled
hydraulic–driven cooling system,
passenger’s seat control system
Gauges and meters, service
reminder indicators and warning
buzzers (except discharge and
open door warning lights),
back–up lights, electronically
controlled automatic
transmission system, automatic
transmission overdrive system,
headlight
SRS airbag system, power rear
view mirrors
On–board diagnosis system
Fog lights
230
18ST–HTR15
Seat heater
ELECTRICAL COMPONENTS
No.FUSE
AMPERE
19PWR30
20IG SW40
21DOOR30
22DOME10
23EFI30
HAZ–HORN
24
15
CIRCUIT
Preset steering, electronic moon
roof, power windows, theft
deterrent system
Starting system
Theft deterrent system, seat
control system, fuel opener
control system, power door lock
system
Interior light, personal lights,
door courtesy lights, ignition
switch light, open door warning
light, trunk light, electronic moon
roof system, preset steering
system, seat belt reminder
system, cruise control system,
air conditioning system, inside
rear view mirror, door lock and
theft deterrent system, foot light,
power rear view mirror, locking
with wireless remote control
system, passenger’s seat
control system.
Multiport fuel injection
system/sequential multiport fuel
injection system
Radio, cassette tape player,
compact disc player, power
antenna
Telephone
Charging system
Traction control system
Right–hand headlight (low beam)
Left–hand headlight (low beam)
Vehicles sold in Canada
Daytime Running Light System
Vehicles sold in Canada
Right–hand headlight (high
beam)
Vehicles sold in Canada
Left–hand headlight (high beam)
Vehicles sold in U.S.A.
Starting system
231
ELECTRICAL COMPONENTS
CHECKING BATTERY CONDITION
Precautions
CAUTION
!
BATTERY PRECAUTIONS
The battery produces flammable and explosive
hydrogen gas.
Do not cause a spark by contacting the battery
terminals with tools.
Do not smoke or light a match near the battery.
The electrolyte contains poisonous and corrosive
sulfuric acid.
Avoid contact with eyes, skin or clothes.
Never inhale or swallow electrolyte.
Wear protective safety glasses when working
near the battery.
Keep children away from the battery.
EMERGENCY MEASURES
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 medical office.
If electrolyte gets on your skin, thoroughly wash
the contacted area. If you feel a pain or burn, get
medical attention immediately.
If electrolyte gets on your clothes, there is a
possibility of its soaking through to your skin, so
immediately take off the exposed clothing and
follow the procedure above, if necessary.
If you happen to swallow electrolyte, drink a large
quantity of water or milk. Follow with milk of
magnesia, beaten raw egg or vegetable oil. Then
go immediately for emergency help.
232
ELECTRICAL COMPONENTS
Checking battery exterior
Check the battery for corroded or loose connections,
cracks, or loose hold–down clamps.
1. If the battery is corroded, wash it off with a solution of
warm water and baking soda. Coat the terminals with
grease to prevent further corrosion.
2. If the connections are loose, tighten the clamp bolts –
but do not overtighten.
3. Tighten the hold–down clamp only enough to keep the
battery firmly in place. Overtightening may damage the
battery case.
NOTICE
Make sure the engine and all accessories are
turned off before performing maintenance.
When checking the battery, remove the ground
cable first and reinstall it last.
Be careful not to cause a short circuit with tools.
Take care no solution gets into the battery when
washing it.
Checking battery fluid
There are 2 types of batteries: maintenance type and
non–maintenance type.
A non–maintenance battery has “MAINTENANCE FREE
BATTERY” on its top. A maintenance type battery does not
have such indication.
Maintenance type battery
Check the fluid condition by the fluid level lines on the side
of the battery. Or if the battery has a hydrometer on its top,
you can also check the hydrometer.
Non–maintenance battery
Check the battery condition by the hydrometer on top of the
battery.
233
ELECTRICAL COMPONENTS
(a) Checking by the flui d level lines (Maintenance type
battery only)
The fluid (electrolyte) level must be between the upper
and lower lines.
When checking the fluid level, look at all six cells, not just one
or two.
If the level is lower than the lower line, add distilled water.
(See “Adding distilled water” on page 235.)
(b) Checking the hydrometer
Check the battery condition by the hydrometer color.
Maintenance type battery
BLUE – Good condition
WHITE – Charging necessary. Have the battery checked by
your Lexus dealer.
RED – Add distilled water. (See “Adding distilled water” on
page 235.)
Non–maintenance type battery
BLUE – Good condition.
WHITE – Charging necessary. Have the battery checked by
your Lexus dealer.
RED – Have the battery checked by your Lexus dealer.
234
NOTICE
For non–maintenance battery:
Do not refill the battery with water.
ELECTRICAL COMPONENTS
Adding distilled water
(Maintenance type battery only)
1. Remove the vent plugs.
2. Add distilled water to cells needing fluid.
If the side of the battery is covered, check the water level by
looking down directly above the cell as illustrated above.
3. Retighten the vent plugs securely.
NOTICE
Do not overfill the cells. Excess electrolyte could
squirt out of the battery during heavy charging,
causing corrosion or damage.
Use a cover on the battery for longer life.
235
ELECTRICAL COMPONENTS
BATTERY RECHARGING
PRECAUTIONS
During recharging, the battery is producing hydrogen
gas.
Therefore, before recharging:
1. Maintenance type batteries – Remove the vent plugs.
2. If recharging with the battery installed on the vehicle, be
sure to disconnect the ground cable.
3. Make sure the power switch on the recharger is of f when
connecting the charger cables to the battery and when
disconnecting them.
CAUTION
!
Always charge the battery in an unconfined area.
Do not charge the battery in a garage or closed
room where there is not sufficient ventilation.
Non–maintenance batteries: Only do a slow
charge (5A or less). Charging at a quicker rate is
dangerous. The battery may explode causing
personal injuries.
Maintenance type batteries: Be sure to remove
the vent plugs before recharging.
NOTICE
Never recharge the battery while the engine is
running. Also, make sure all accessories are turned
off.
236
CHECKING AND REPLACING THE
BLADE TYPE FUSES
1.Turn the ignition switch off and open the fuse box
lid.
Determine which fuse may be causing the problem. The lid
of the fuse box shows the name of the circuit for each fuse.
ELECTRICAL COMPONENTS
2.Make sure the inoperative component is turned off.
Pull the suspected fuse straight out with the pull–out
tool and check it. If it has blown, push a new fuse into
the clips.
237
ELECTRICAL COMPONENTS
a. Look carefully at the fuse. If the thin wire is broken, the
fuse has blown. If you are not sure or if it is too dark to see,
try replacing the suspected fuse with one of the same value
that you know is good.
b. Install only a fuse with the amperage rating designated on
the fuse box lid.
If you do not have a spare fuse, in an emergency you can pull
out the “CIG,” “RAD NO.1,” “DOME” or “HTR” fuse, which
may be dispensable for normal driving, and use it if its
amperage rating is the same.
If you cannot use one of the same amperage, use one lower
than, but as close as possible to, the amperage. If the
amperage is lower than the specified, the fuse might blow
out again but this does not indicate anything wrong. Be sure
to get the correct fuse as soon as possible and return the
substitute to its original clips.
It is a good idea to purchase a set of spare fuses and keep
them in your vehicle for emergencies.
If the new fuse immediately blows out, there is a problem
with the electrical system. Have your Lexus dealer correct
it as soon as possible.
CAUTION
!
Never use a fuse with a higher amperage rating, or
any other object, in place of a fuse. This may cause
extensive damage and possibly a fire.
238
CHECKING THE CARTRIDGE TYPE
FUSES
If the headlights or other electrical components do not
work and the blade type fuses are O.K., check the
cartridge type fuses. If any of the cartridge type fuses
are blown, they must be replaced.
ELECTRICAL COMPONENTS
If there is an overload in the circuits from the battery, the
fuses are designed to blow before the entire wiring harness
is damaged.
NOTICE
Before replacing the fuses, have the cause of
electrical overload determined and repaired by your
Lexus dealer.
CAUTION
!
Always use a genuine Lexus fuse or equivalent for
replacement. Never install an ordinary wire – even
for a temporary fix. This may cause extensive
damage and possibly a fire.
239
ELECTRICAL COMPONENTS
ADDING WASHER FLUID
If the washer tank becomes nearly empty, add washer
fluid.
You may use plain water as washer fluid. However, in cold
areas where temperatures range below the freezing point,
use washer fluid containing antifreeze. This product is
available at your Lexus dealer and most auto parts stores.
Follow the manufacturer’s directions for how much to mix
with water.
NOTICE
Do not use engine antifreeze or any other substitute
because it may damage your vehicle’s paint.
CHECKING THE HEADLIGHT AIM
Before checking the headlight aim:
1. Be sure that the body around the headlights is not
deformed.
2. Park the vehicle on a level spot.
3. The driver gets into the driver’s seat so that the vehicle
has its normal load (with the tank full).
4. Bounce the vehicle several times.
240
ELECTRICAL COMPONENTS
To check the headlight aim, check the vertical and
horizontal gauges.
1. Look at the beam angle gauge (vertical movement). The
bubble of the gauge should not deviate from the center of the
gauge by more than two marks on either side of the gauge.
2. Look at the beam angle gauge (horizontal movement).
The read mark should not deviate by more than one mark on
either side of the gauge.
If the error is over the value specified above, take the vehicle
to your Lexus dealer to adjust the headlight aim.
241
ELECTRICAL COMPONENTS
REPLACING LIGHT BULBS
The illustration on the following pages show the locations of
light bulbs. If it is necessary to replace a bulb, take your
vehicle to your Lexus dealer as soon as possible. Use bulbs
with the bulb numbers and wattage ratings given in the table.
CAUTION
!
Halogen bulbs have pressurized gas inside and
require special handling. They can burst or shatter
if scratched or dropped. Hold a bulb only by its
plastic or metal case. Do not touch the glass part of
a bulb with bare hands.
NOTICE
Only use a bulb of the listed type.
Light BulbsBulb No.WType
Headlights (low beam)900655A
Headlights (high beam)900565B
Fog lights—55C
Parking lights—5E
Front side marker lights1943.8E
Front turn signal lights1157 NA27/8D
Rear turn signal lights115627D
Light BulbsBulb No.WType
Stop lights115627D
Tail lights—5E
Back–up lights115627D
High mounted stoplight92118E
License plate lights—5E
Interior light—10F
Personal lights—8D
Glovebox light—1.2E
Door courtesy lights—5E
Footlights—1.2E
Vanity lights—3F
Trunk light1943.8E
A: HB4 halogen bulbs
B: HB3 halogen bulbs
C: H3 halogen bulbs
D: Single end bulbs
E: Wedge base bulbs
F: Double end bulbs
242
LIGHT LOCATION
ELECTRICAL COMPONENTS
243
ELECTRICAL COMPONENTS
244
SECTION 7
REPORTING SAFETY DEFECTS
FOR U.S. OWNERS
Reporting safety defects for U.S. owners254
253
REPORTING SAFETY DEFECTS FOR U.S. OWNERS
REPORTING SAFETY DEFECTS FOR
U.S. OWNERS
If you believe that your vehicle has a defect which
could cause a crash or could cause injury or death,
you should immediately inform the National
Highway Traffic Safety Administration (NHTSA) in
addition to notifying Toyota Motor Sales, U.S.A.,
Inc. (Toll–free: 1–800–25–LEXUS).
If NHTSA receives similar complaints, it may open
an investigation, and if it feels that a safety defect
exists in a group of vehicles, it may order a recall
and remedy campaign. However, NHTSA cannot
become involved in individual problems between
you, your dealer, or Toyota Motor Sales, U.S.A.,
Inc.
To contact NHTSA, you may either call the Auto
Safety Hotline toll–free at 1–800–424–9393 (or
366–0123 in Washington, D.C., area) or write to:
NHTSA, U.S. Department of Transportation,
Washington, D.C. 20590. You can also obtain
other information about motor vehicle safety from
the Hotline.
254
SECTION 6 – 5
SERVICE PROCEDURES AND
SPECIFICATIONS
Body
Specifications246
Protecting your vehicle from corrosion247
Washing and waxing248
Cleaning the interior249
245
BODY
SPECIFICATIONS
–DIMENSIONS AND WEIGHT
Overall length4860 mm (191.3 in.)
Overall width1790 mm (70.5 in.)
Overall height1350 mm (53.1 in.)*
Wheelbase2690 mm (105.9 in.)
Tread– Front1520 mm (59.8 in.)
– Rear1525 mm (60.0 in.)
Vehicle capacity weight (occupants + luggage)340 kg (750 lb.)
*: Unladen vehicle
–FUEL TANK
Capacity78 L (20.6 gal., 17.2 Imp.gal.)
246
PROTECTING YOUR VEHICLE
FROM CORROSION
Proper care of your Lexus can help ensure long–term
corrosion prevention
The most common causes of corrosion to your vehicle
are:
The accumulation of road salt, dirt and moisture in
hard–to–reach areas under the vehicle.
Chipping of paint or undercoating caused by minor
accidents or by stones and gravel.
The following conditions will cause or accelerate
corrosion of your vehicle, so it is important to keep your
vehicle, particularly the underside, as clean as possible
and to repair any damage to paint or protective coatings
as soon as possible.
The presence of road salt or dust control chemicals, salt in
the air near the sea coast, industrial air pollution.
High humidity, especially at temperatures just above
freezing point.
Certain parts of your vehicle are wet or damp for an
extended period of time, even though other parts of the
vehicle are dry.
Components of the vehicle which are prevented from
quick–drying due to lack of proper ventilation are exposed
to high temperature.
BODY
To help prevent corrosion on your Lexus, follow these
guidelines:
Keep your vehicle clean by regular washing. In addition,
observe the following points.
If you drive on salted roads in the winter or if you live near
the ocean, you should hose off the undercarriage at least
once a month to minimize corrosion.
High pressure water or steam is effective for cleaning the
vehicle’s underside and wheel housings. Pay particular
attention to these areas as it is difficult to see all the mud
and dirt. It will do more harm than good to simply wet the
mud and debris without removing them. The lower edge of
doors, rocker panels and frame members have drain holes
which should not be allowed to clog with dirt as trapped
water in these areas can cause corrosion.
Wash the underside of the vehicle thoroughly when winter
is over.
See “Washing and waxing” for more tips.
Check the condition of your vehicle’s paint and trim. If
you find any chips or scratches in the paint, touch them up
immediately to prevent corrosion from starting. If the chips
or scratches have gone through the bare metal, have a
qualified body shop make the repair.
247
BODY
Check the interior of your vehicle. Water and dirt can
accumulate under the floor mats and could cause corrosion.
Occasionally check under the mats to make sure the area is
dry. Be particularly careful when transporting chemicals,
cleansers, fertilizers, salt, etc. These should be transported
in proper containers. If a spill or leak should occur,
immediately clean and dry the area.
Use mud shields on your wheels. If you drive on salted or
gravel roads, mud shields help protect your vehicle. Full size
shields, which come near to the ground as possible, are the
best. We recommend that the fittings and the area where the
shields are installed be treated to resist corrosion. Your
Lexus dealer will be happy to assist in supplying and
installing the shields if they are recommended for your area.
Do not park your vehicle in a damp, poorly ventilated
garage. If you wash your vehicle in the garage, or if you drive
it in covered with water or snow, your garage may be so
damp it will cause corrosion. Even if your garage is heated,
a wet vehicle can corrode if the ventilation is poor.
WASHING AND WAXING
Washing your Lexus by hand
Work in the shade and wait until the vehicle body is not
hot to the touch.
1. Rinse off loose dirt with a hose. Remove any mud or
road salt from the underside of the vehicle or in the wheel
wells.
2. Wash with a mild car–wash soap, mixed according to the
manufacturer’s instructions. Use a soft cotton mitt and keep
it wet by dipping it frequently into the wash water. No not rub
hard – let the soap and water remove the dirt.
Aluminum wheels: Use only a mild soap or neutral
detergent.
Urethane bumpers and side moldings: Wash carefully.
Do not scrub with abrasive cleaners. The bumper and side
molding faces are soft.
Road tar: Remove with turpentine or cleaners that are
marked safe for painted surfaces.
NOTICE
Do not use gasoline or strong solvents, which may
be toxic or cause damage.
3. Rinse thoroughly – dried soap can cause streaking. In
hot weather you may need to rinse each section right after
you wash it.
248
4. To prevent water spots, dry the vehicle using a clean soft
cotton towel. Do not rub or press hard – you might scratch
the paint.
Automatic car wash
NOTICE
To prevent damage to the antenna, make sure it is
retracted before driving your vehicle through an
automatic car wash.
Your vehicle may be washed in an automatic car wash, but
remember that the paint can be scratched by some type of
brushes, unfiltered washing water, or the washing process
itself. Scratching reduces paint durability and gloss,
especially on darker colors. The manager of the car wash
should be able to advise you whether the process is safe for
the paint on your vehicle.
Waxing your Lexus
Polishing and waxing is recommended to maintain the
original beauty of your Lexus’ finish.
1. Always wash and dry the vehicle before you begin
waxing, even if you are using a combined cleaner and wax.
2. Use a good quality polish and wax. If the finish has
become extremely weathered, use a car–cleaning polish,
followed by a separate wax. Carefully follow the
manufacturer’s instructions and precautions. Be sure to
polish and was the chrome trim as well as the paint.
BODY
3. Wax the vehicle again when water does not bead but
remains on the surface in large patches.
CLEANING THE INTERIOR
CAUTION
!
Do not wash the vehicle floor with water, or allow
water to get onto the floor when cleaning the vehicle
interior or exterior. Water may get into audio
components or other electrical components above
or under the floor carpet (or mat) and cause a
malfunction; and it may cause body corrosion.
Leather Interior
Remove dirt using a soft cloth dampened with 5% solution
of neutral detergent for wool. Then thoroughly wipe off all
traces of detergent with a clean damp cloth.
After cleaning or whenever any part of the leather gets wet,
dry with a soft clean cloth. Allow the leather to dry in a
ventilated shaded area.
NOTICE
If a stain should fail to come out with a neutral
detergent, apply a cleaner that does not contain an
organic solvent.
249
BODY
Never use organic substances such as benzine,
alcohol or gasoline, or alkaline or acid solutions
for cleaning the leather as these could cause
discoloring.
Use of a nylon brush or synthetic fiber cloth, etc.
may scratch the fine grained surface of the leather.
Mildew may develop on soiled leather upholstery.
Be especially careful to avoid oil spots. try to keep
your upholstery always clean.
Long exposure to direct sunlight may cause the
leather surface to harden and shrink. Keep your
vehicle in a shaded area, especially in the summer.
The interior of your vehicle is apt to heat up on hot
summer days, so avoid placing on the upholstery
items made of vinyl or plastic or containing was as
these tend to stick to leather when warm.
Improper cleaning of the leather upholstery could
result in discoloration or staining.
Synthetic Leather Areas (Dash)
The synthetic leather areas may be easily cleaned with
a mild soap or detergent and water.
First vacuum over the upholstery to remove loose dirt. Then,
using a sponge or soft cloth, apply the soap solution to the
synthetic leather. After allowing it to soak in for a few minutes
to loosen the dirt, remove the dirt and wipe off the soap with
a clean damp cloth. If all the dirt does not come off, repeat
the procedure. Commercial foaming–type cleaners are also
available which work well. Follow the manufacturer’s
instructions.
NOTICE
Do not use solvent, thinner, gasoline or window
cleaner on the interior.
250
BODY
Carpets, Windows and Seat Belts
Begin by vacuuming thoroughly to remove as much dirt as
possible. Several types of foam cleaners are available;
some are in aerosol cans and others are powders or liquids
which you mix with water to produce a foam. To shampoo the
carpets, use a sponge or brush to apply the foam. Rub in
overlapping circles. Do not apply water – the best results are
obtained by keeping the carpet as dry as possible. Read the
shampoo instructions and follow them closely.
The seat belts may be cleaned with mild soap and water
or with lukewarm water.
Use a cloth or sponge. As you are cleaning, check the belts
for excessive wear, fraying or cuts.
NOTICE
Use a good foam–type shampoo to clean the
carpets.
Do not use dye or bleach on the belts–it may
weaken them.
The windows may be cleaned with any household
window cleaner.
When cleaning the inside of the rear window, be
careful not to scratch or damage the heater wires.
Air Conditioning Control Panel, Car Audio,
Instrument Panel, Console Panel, and
Switches
Use a soft damp cloth for cleaning.
Soak a clean soft cloth in water or lukewarm water then
lightly wipe off any dirt.
NOTICE
Do not use organic substances (solvents,
kerosene, alcohol, gasoline, etc.) or alkaline or
acidic solutions. these chemicals can cause
discoloring, staining or peeling of the surface.
If you use cleaners or polishing agents, make sure
their ingredients do not include the substances
mentioned above.
If you use a liquid car freshener, do not spill the
liquid onto the vehicle’s interior surfaces. It may
contain the ingredients mentioned above.
Immediately clean any spill using the method
mentioned above.
If you have any questions about the cleaning of your
Lexus, your local Lexus dealer will be pleased to
answer them.
251
BODY
252
SECTION 6 – 3
SERVICE PROCEDURES AND
SPECIFICATIONS
Chassis
Specifications (SC400)214
Specifications (SC300)216
Checking brake fluid218
Checking power steering fluid219
Checking tire pressure220
Rotating tires221
Checking and replacing tires222
Installing snow tires and chains224
Replacing wheels225
Aluminum wheel precautions226
Suspension and chassis226
213
CHASSIS
SPECIFICATIONS (SC400)
–AUTOMATIC TRANSMISSION
Fluid capacity
Drain and refill1.9 L (2.0 qt., 1.7 Imp.qt.)
Fluid typeAutomatic transmission fluid Type T–II or equivalent
–DIFFERENTIAL
Oil capacity1.35 L (1.42 qt., 1.19 Imp.qt.)
Oil typeHypoid gear oil API GL–5
Oil viscosityAbove –18°C (0°F): SAE90
Below –18°C (0°F): SAE80W or SAE80W–90
–BRAKES
Pedal clearance *
Pedal freeplay1 – 6 mm (0.04 – 0.24 in.)
Brake pad wear limit1.0 mm (0.04 in.)
Parking brake lining wear limit1.0 mm (0.04 in.)
Parking brake adjustment *
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3
*1:Minimum pedal clearance when depressed with the pressure of 490 N (50 kgf, 110 lbf.) with the engine running
*2:Parking brake adjustment when depressed with the pressure of 196 N (20 kgf, 44 lbf.)
1
2
88 mm (3.5 in.) Min.
5 – 8 clicks
214
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