Page 1 of 17
SECTION 6 – 4
189
SERVICE PROCEDURES AND
SPECIFICATIONS
Electrical components
Specifications190 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking battery condition and fluid level
194 . . . . . . . . . . . . . . . . . . .
Battery recharging precautions
196 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking and replacing the blade type fuses
196 . . . . . . . . . . . . . . . .
Checking the cartridge type fuses198 . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing the windshield wiper blades199 . . . . . . . . . . . . . . . . . . . . . .
Adding washer fluid202 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the headlight aim202 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing light bulbs203 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page 4 of 17
ELECTRICAL COMPONENTS
Passenger’s side kick panel
192
NO.FUSEAMPERECIRCUIT
1ECU-IG15
Cruise control system, power
steering control system, shift
lock system, anti-lock brake
system. SRS airbag system,
power door lock and theft
deterrent system, power
antenna, telephone, electronic
cooling fan system.
2GAUGE10
Gauges and meters warning
lights and buzzers (except
discharge and open door
warning lights), back-up
lights, electronically,
controlled automatic
transmission system,
automatic transmission
overdrive system, rear
window and outside rear
view mirror defogger
3STOP25
Stop lights, cruise control
system cancel device, shift
lock system, anti-lock brake
system
4SEAT
HTR15Seat heater
5WIPER20Windshield wipers and
washer, headlight cleaner
Page 5 of 17

ELECTRICAL COMPONENTS
193
NO.FUSEAMPERECIRCUIT
6TURN7.5Turn signal lights
7IGN7.5
Electronic fuel injection
system, electronic cooling fan
system, SRS airbag system
8CIG/
RADIO15
Radio, cassette tape player,
compact disc player, power
antenna, power rear view
mirrors, cigarette lighter,
theft deterrent system, shift
lock system, SRS airbag
system, clock
9MIR-HTR10Outside rear view mirror defogger
10TAIL15Tail lights, parking lights
11ECU-B15
SRS airbag system, anti-lock
brake system, daytime
running light system
12FOG15Fog lights
13AM140Ignition system
14P/W30Electronic moon roof, power
windows
15DEF40Rear window and outside
rear view mirror defogger
NO.FUSEAMPERECIRCUIT
16STARTER10Starting system, electronic fuel
injection system
17ALT-S7.5Charging system
18EFI15Electronic fuel injection system
19HEAD
(RH) HI15
Vehicles sold in the U.S.A.
Right-hand headlight
Vehicles sold in Canada
Right-hand headlight
(high beam)
20DOME20
Radio, cassette tape player,
compact disc player, power
antenna, interior light,
personal lights, door courtesy
lights, ignition switch light,
trunk room light, electronic
moon roof system,
instrument panel lights, door
lock and theft deterrent
system, locking with wireless
remote control system
21HAZ-
HORN15Emergency flashers, horns
22HEAD
(LH) HI15
Vehicles sold in the U.S.A.
Left-hand headlight
Vehicles sold in Canada
Left-hand headlight
(high beam)
Page 6 of 17

ELECTRICAL COMPONENTS
194
NO.FUSEAMPERECIRCUIT
23AM230Ignition system, electronic
fuel injection system
24ALT100Charging system
25ABS60Anti-lock brake system
26HEAD
(LWR-LH)15
Vehicles sold in Canada
Left-hand headlight
(low beam)
27HEAD
(LWR-RH)15
Vehicles sold in Canada
Right-hand headlight
(low beam)
28TEL15Telephone
29RADIO20
Radio, cassette tape player,
compact disc player, power
antenna
30DRL7.5Daytime running light system
31HTR40Environmental control
system
CHECKING BATTERY
CONDITION AND FLUID LEVEL
CAUTION:
BATTERY PRECAUTIONS
The battery produces an 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.
Page 10 of 17

ELECTRICAL COMPONENTS
Engine compartment
Passenger’s side kick panel
198b. 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/RADIO”, “RADIO”, “DOME” or “MIR-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 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 another
object, in place of a fuse. It may cause extensive damage
and possibly cause a fire.
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
melted, they must be replaced.
Page 14 of 17
ELECTRICAL COMPONENTS
Beam angle gauge
(vertical movement)
Beam angle gauge
(horizontal movement)
202
ADDING WASHER FLUID
If any washer does not work, the washer tank may be
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 on 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 headlight is not deformed.
2. Park the vehicle on a level spot.
3. The driver gets into the driver’s seat and puts the vehicle in
a state readying for a driving (with a full tank).
4. Bounce the vehicle several times.
Page 15 of 17

Beam angle gauge (vertical movement)
BubbleAcceptable range
ELECTRICAL COMPONENTS
Beam angle gauge (horizontal movement)
Acceptable range
Mark
203 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 to either side of the gauge.2. Look at the beam angle gauge (horizontal movement). The
blue mark should not deviate by more than one mark to 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.
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 Lexus dealer as soon as possible. Use bulbs with the bulb
numbers and wattage ratings given in the table.
The single end bulbs are removed by pressing them in and
turning counterclokwise. Double-end bulbs (*) or wedge base
bulbs (**) pull straight out of the holder clips.
NOTICE:
Only use a bulb of the listed type.
Page 16 of 17
ELECTRICAL COMPONENTS
Headlights
Fog lights
Parking and front turn signal lights
204Light Bulbs
Bulb No.Wattage
Headlights (low and high beam)900655
Headlights (high beam)900565
Fog lightsH355
Front turn signal and parking lights1157 NA27/8
Rear turn signal lights115627
Stop and tail lights115727/8
Back-up lights115627
High mounted stoplight**92118
License plate lights**____5
Rear side marker lights____5
lnterior light*____8
Personal lights
with moon roof
without moon roof____
____10
8
Glovebox light**____1.2
Door courtesy light**____3
Vanity lights*____3
Trunk room light**1943.8
LOCATION OF LIGHTS