2006 LEXUS LS430 light

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Cartridge fuses
■If there is an overload in the circuits from the battery
The fuses are designed to blow before the wiring harness is damaged.
If the headlights or other electrical components do not work and the blade
fuses are O.K., check the cartridge fuses.
■ Fuse location
■ Checking whether fuses ar
e good or blown
Good
Blown
If replacement is necessary,
replace with a genuine Lexus fuse
or equivalent with the same amper -
age rating as original.
Engine CompartmentEngine Compartment
1
2

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Headlight aim
Adjusting the vertical aiming
Adjusting bolt A
Adjusting bolt B
Turn bolt A in either dir
ection using
a Phillips-head screwdriver.
Remember the turning direction
and the number of turns in mind.
Before checking the headlight aim
Make sure the vehicle has a full tank of gas and the body around
the headlight is not deformed.
Park the vehicle on a level spot.
Sit in the driver’s seat.
Bounce the vehicle several times.
Check the headlight aim.
1
2

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4-3. Do-it-yourself maintenance
Turn bolt B the same number of turns and in the same direction as
step 1 using a Phillip s-head scr
ewdriver.
If you cannot properly aim the headlights, take the vehicle to your Lexus dealer
to adjust the headlight aim. 
After adjusting the headlight in the vertical dir
ection, check if the light has been
shifted from the adjusted position in the horizontal direction.

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Light bulbs
You can replace following bulbs. Contact your Lexus dealer for more infor-
mation about replacing other light bulbs.
■ Prepare a replacement light bulb.
Check the wattage of the light bulb being replaced. ( P.
3 7 2 )
High mounted stop light
Back-up light
Rear turn signal light
1
2
3

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4-3. Do-it-yourself maintenance
Replacing light bulbs
■High-mounted stop light

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4-3. Do-it-yourself maintenance
4
Maintenance and care
■Back-up lights

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4-3. Do-it-yourself maintenance
■Rear turn signal lights

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4-3. Do-it-yourself maintenance
4
Maintenance and care
■Installing light bulbs
Fully install light bulbs and any parts used to s
ecure them. Failing to do so may result
in heat damage or fire, or water entering the headlight unit, and may damage the
headlights or cause condensation to build up on the lens.
■Condensation build up on the inside of the lens
Contact your Lexus dealer for more inform ation i
n the following situations. Tempo-
rary condensation build up on th
e inside of the headlight lens does not indicate a
malfunction.
• Large drops of water are built up on the inside of the lens.
• Water has built up inside the headlight.
■LED light bulbs
The tail and stop lights consist of a number of LEDs. if any LED burns out, we rec -
ommend you take your vehicle to your Lexus d
ealer to have the light inspected as
soon as possible.
■Discharge headlights
The headlights may turn off or may not turn on for a short time. If they turn on after a
short period of time, this do es not indicate a malfunction.
CAUTION
■Replacing light bulbs
●Turn off the headlight. Do not attempt to replace the bulb immediately after turn -
ing off the headlight. 
The bulb becomes very hot and may cause burns.
●Do not touch the glass portion of the light bulb. Hold th e bulb by the plastic or
metal portion. 
If the bulb is scratched or dropped it may blow out or crack.
●Do not attempt to repair or disassemble lig ht bulbs, connectors, electric circuits
or component parts. 
Doing so may result in serious injury due to electric shock.