ignition lexus LS400 1994 Engine / 1994 LS400: ELECTRICAL COMPONENTS

ELECTRICAL COMPONENTS
221
NO.FUSEAMPERECIRCUIT
18RADIO
NO. 120Radio, cassette tape player,
compact disc player, power antenna
19HAZ-HORN15Emergency flashers, horns
20DOME10
Interior light, personal lights, door
courtesy lights, ignition switch light,
open door warning light, trunk
room light, electric moon roof
system, radio cassette tape player,
compact disc player, preset
steering system, seat belt warning
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, automatic light
control system
21TEL15Telephone
22EFI20Multiport fuel injection system
23SEAT HTR20Seat heater
24AIRSUS20Lexus ride control system, height
control system
25DRL10Vehicles sold in Canada
Daytime Running Light System
26
HEAD LH15Vehicles sold in U.S.A.
Left-hand headlight
HEAD
LH-LWR10Vehicles sold in Canada
Left-hand headlight (low beam)
NO.FUSEAMPERECIRCUIT
27
HEAD RH15Vehicles sold in U.S.A.
Right-hand headlight
HEAD
RH-LWR10Vehicles sold in Canada
Right-hand headlight (low beam)
28HEAD
LH-UPR15Vehicles sold in Canada
Left-hand headlight (high beam)
29HEAD
RH-UPR15Vehicles sold in Canada
Right-hand headlight (high beam)
NO.CIRCUIT
BREAKERAMPERECIRCUIT
30P/W30
Preset steering, power shoulder
anchor, electric moon roof, power
windows
31DOOR30
Theft deterrent system, seat
control system, fuel opener
control system
32DEFOG40Rear window defogger

ELECTRICAL COMPONENTS
224
BATTERY RECHARGING
PRECAUTIONS
During recharging, the battery is producing hydrogen
gas.
Therefore, before recharging:
1. Remove the vent plugs.
2. If recharging with the battery installed on the vehicle, be
sure to disconnect the ground cable.
3. Be sure the power switch on the recharger is off 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 insufficient ventilation.
NOTICE:
Never recharge the battery while the engine is running.
Also, be sure all accessories are turned off.
CHECKING AND REPLACING THE
BLADE TYPE FUSES
Driver’s side kick panel
Engine compartment
Spare fuses
Pull-out tool
1. Turn the ignition switch off and open the fuse box lid.

ELECTRICAL COMPONENTS
226
CHECKING THE CIRCUIT
BREAKERS
Driver’s side
kick panel
Circuit breakers
In the event the defogger, air conditioning, power
windows, power door locks, or moon roof does not
operate, check its circuit breaker (C
.B).
To reset the circuit breaker, first turn the ignition switch off and
carefully insert a thin object, such as a toothpick, needle or
safety pin, into the hole in the circuit breaker and push until you
hear a click. The component should now operate. This may be
done without removing the circuit breaker.
If the circuit breaker immediately goes off again or the
component does not operate, turn off the component switch
and have the electrical system checked by your Lexus dealer
as soon as possible.
CHECKING THE CARTRIDGE TYPE
FUSES
GoodMelted
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.
If there is an overload in the circuits from the battery, the fuses
are designed to melt 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.

ELECTRICAL COMPONENTS
227
REPLACING THE WINDSHIELD
WIPER BLADES
When the wipers no longer clean adequately, the wiper
blades may be worn or cracked, and require replacement.
Replacing driver’s side wiper blade
1. Turn the ignition switch on. Turn the wiper switch to the “LO”
position.
2. Quickly turn the ignition switch to the “ACC” position as soon
as the wiper on the driver’s side comes to the edge of the
windshield on the driver’s side.
3. Use a screwdriver to release the lock joining the wiper arm
and blade.
4. Slide the wiper blade downward to separate it from the wiper
arm.
5. Remove the wiper blade.

ELECTRICAL COMPONENTS
229
Replacing passenger side wiper blade
1. Turn the ignition switch on. Turn the wiper switch to the “LO”
position.
2. Quickly turn the ignition switch to the “ACC” position as soon
as the wiper on the driver’s side comes to the edge of the
windshield on the driver’s side.
3. Press on the lock pin at the rear side where the wiper arm
and blade connect, and slide the wiper blade downward to
disconnect it.
4. Place the wiper blade square to the wiper arm and then pull
the wiper blade straight off.