2003 Lexus GX470 Basic Functions / LEXUS 2003 GX470 OWNER'S MANUAL (OM60979U)

ELECTRICAL COMPONENTS
452
 Good  Blown
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. Only install 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”, “RADIO NO.1” or “SEAT HEATER” 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 that 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.

ELECTRICAL COMPONENTS
453
CHECKING THE CARTRIDGE TYPEFUSES
The engine compartment fuse box is located under the left
side engine compartment cover. Before checking the
engine compartment fuses, remove the cover. (For
details, see “Removing the engine compartment covers”
on page 405.)
Engine compartment
Driver’s side instrument panel
 Good  Blown

ELECTRICAL COMPONENTS
454If 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.
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.
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.

ELECTRICAL COMPONENTS
455
REPLACING LIGHT BULBS
The illustrations 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
 To prevent burning yourself, do not replace the light
bulbs while they are hot.
 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.
The inside of the lens of exterior lights such as headlights may
temporarily fog up when the lens becomes wet in the rain or in
a car wash. This is not a problem because the fogging is
caused by the temperature dif ference between the outside and
inside of the lens, just like the windshield fogged up in the rain.
However, if there is a large drop of water on the inside of the
lens, or if there is water pooled inside the light, contact your
Lexus dealer. LIGHT LOCATION
Light Bulbs Bulb No. W Type
1Headlights (High beam) 9005 60 A
2Headlights (Low beam)
−−55 B
3Front side marker lights 168 5 C
4Front turn signal lights 4157NAK 27/8 D
5Parking lights 168 5 C
6Fog lights −−55 E

ELECTRICAL COMPONENTS
456
Light Bulbs Bulb No. W Type
7Running board lights 194 3.8 C
8Rear turn signal lights 7440 21 C
9Stop/tail lights7443 21/5 C
10Stop/tail and rear side
marker lights7443 21/5 C
11Back−
up lights 7440 21 C
12License plate lights 168 5 C
Light Bulbs Bulb No. W Type
13Vanity lights −−2F
14Personal lights −−8G
15Interior lights −−8F
16Door courtesy lights −−3.8 G
17Glove box light −−1.2 C
A: HB3 halogen bulbs
B: H11 halogen bulbs
C: Wedge base bulbs (clear)
D: Wedge base bulbs (amber)
E: H3 halogen bulbs
F: Double end bulbs
G: Single end bulbs

ELECTRICAL COMPONENTS
457

SECTION 6 – 5
458
SERVICE PROCEDURES AND
SPECIFICATIONS
Body
Specifications459
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . .
Protecting your vehicle from corrosion 460
. . . . . . . . . . . . . . . . . . . . . .
Washing and waxing 461
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\

Cleaning the interior 463
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
.
Rain clearing mirrors 466
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\

BODY
459
SPECIFICATIONS
DIMENSIONS AND WEIGHTOverall length
4780 mm (188.2 in.)
Overall width1880 mm (74.0 in.)
Overall height*11855 mm (73.0 in.)*2
1895 mm (74.6 in.)*3
Wheelbase2790 mm (109.8 in.)
Tread − Front
− Rear1580 mm (62.2 in.)
1580 mm (62.2 in.)
Vehicle capacity weight (occupants + luggage)556 kg (1225 lb.)
*1: Unladen vehicle
*2: Without roof luggage carrier
*3: With roof luggage carrier
FUEL TANK
Capacity
87 L (23 gal., 19.1 lmp.gal.)