2006 LEXUS LS430 fuses

TABLE OF CONTENTSIndex
Refreshing rear seat 
switches ......................................... 222
Coat hooks ..................................... 223
Floor mats........................................ 224
Sunshades ....................................... 225
Trunk features................................ 227
Garage door opener .................. 232
Compass (vehicles without 
navigation syst em)
................... 238
4-1. Maintenance and care............ 244 Cleaning and protecting the 
vehicle exterior .......................... 244
Cleaning and protecting the 
vehicle interior............................ 247
4-2. Maintenance ............................. 250 Maintenance requ irements
.... 250
General maintenance ................ 252
Emission inspection and 
maintenance (I/M) 
programs....................................... 255
4-3. Do-it-yourself 
maintenance ........................... 256
Do-it-yourself service 
precautions .................................. 256
Hood................................................. 260
Positioning the jack ...................... 261
Engine compartment.................. 262 Tires ................................................... 278
Tire inflation pressure................ 283
Wheels.............................................. 287
Air conditioning filters............... 289
Wireless remote control

battery ............................................ 295
Blade fuses ..................................... 298
Cartridge fuses ............................ 309
Headlight aim.................................... 311
Light bulbs ........................................ 313
5-1. Essential information .............. 320 If your vehicle needs to be 
towed............................................. 320
If you think something is 
wrong ............................................. 324
Fuel pump shut off system ........ 325
Event data recorder .................... 326
5-2. Steps to take in an 
emergency .............................. 328
If a warning light turns on... ...... 328
If a warning message 
appears.......................................... 334
If you have a flat tire..................... 347
If the engine will not start ......... 353
If the transmission selector 
lever cannot be shifted 
from P............................................. 354
If you lose your keys ................... 355
4Maintenance and care
5When trouble arises

4Maintenance and care
243
4-1. Maintenance and care ........ 244
Cleaning and protecting the  vehicle exterior ........................ 244
Cleaning and protecting the  vehicle interior ......................... 247
4-2. Maintenance .......................... 250 Maintenance requirements.. 250
General maintenance............. 252
Emission inspection and 
maintenance (I/M) 
programs.................................... 255 4-3. Do-it-yourself

maintenance ......................... 256
Do-it-yourself service 
precautions .............................. 256
Hood.............................................. 260
Positioning the jack .................... 261
Engine compartment ............... 262
Tires ................................................. 278
Tire inflation pressure .............. 283
Wheels ........................................... 287
Air conditioning filters
............ 289
Wireless remote control  battery ......................................... 295
Blade fuses .................................. 298
Cartridge fuses ......................... 309
Headlight aim................................ 311
Light bulbs ..................................... 313

256
4-3. Do-it-yourself maintenance
Do-it-yourself service precautions
Do-it-yourself maintenancePa r t s a n d t o o l s
Battery condition 
( P. 2 7 3 )
•Warm water
• Baking soda
•Grease
• Conventional wrench 
(for terminal clamp bolts)
Blade type fuses
( P. 2 9 8 )
• Fuse with same amperage rating as original
Brake fluid level 
(P. 2 7 0 )
• FMVSS No.116 DOT 3 or SAE J1703 brake
fluid
•Rag or paper towel
• Funnel (used only for adding brake fluid)
Cartridge type fuses 
(P. 3 0 9 )
• Genuine Lexus fuse or equivalent with same
amperage rating as original
Engine coolant level 
(P. 2 6 8 )
• “Toyota Super Long Life Coolant” or similar
high quality ethylene glycol based non-silicate,
non-amine, non-nitrate and non-borate coolant
with long-life hybrid organic acid technology.
“Toyota Super Long Life Coolant” is pre-mixed
with 50% coolant and 50% de-ionized water
(vehicles sold in the U.S.A.), 55% coolant 45%
de-ionized water (vehicles sold in Canada).
• Funnel (used only for adding coolant)
Engine oil level
( P. 2 6 3 )
• “Toyota Genuine Motor Oil” or equivalent
•Rag or paper towel
• Funnel (used only for adding oil)
If you perform maintenance yourself, be sure to follow the correct procedure
given in these sections.

298
4-3. Do-it-yourself maintenance
Blade fuses
If a light does not turn on or if any of the electrical components do not operate,
a fuse may have blown. If this happens check and replace the fuses as neces
-
sary. 
If after replacing the fuse the light stil l
does not illuminate, the bulb may need
replacing.
Turn the ignition switch to the LOCK position.
Open the fuse box cover.
Fuse box inside the engine compartment
Push the tabs in and lift the lid off.
Fuse box inside the driver’s side
kick panel
Pull the tab and remove the lid.

299
4-3. Do-it-yourself maintenance
4
Maintenance and care
Fuse box inside the passenger’s
side kick panel
Pull the tab and remove the cover.
Fuse box in the trunk
Pull the tab and remove the cover.
Inspect the suspected fuse and refer to “Fuse layout and amper -
age rating”. (
P. 300)
Remove the fuse with the pull-out tool
and check if it has blown.
Spare fuses
Pull out tool1
2

308
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
RR SEAT LH30Power seat system
RR SEAT RH30Power seat system
CAUTION
■When replacing a fuse
Observe the following precautions. 
Failing to do so may cause damage , a
nd possibly a fire or injury.
• Never use a fuse of higher amperage rati ng, or us
e any other object in place of
a fuse.
• Always use genuine Lexus fuses, or a fuse of an equal standard of quality. 
Do not use copper wire or other objects, even as a temporary measure.
• Do not modify the fuse or the fuse box.
12
13

309
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

310
4-3. Do-it-yourself maintenance
CAUTION
■When replacing fuses
Always use a genuine Lexus fuse or equivalent. 
Never install an ordinary wire - even as a temporary fix. 
This may cause extensive damage and possibly a fire.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer
.