2017 LEXUS LS600H Owners Manual

5376-3. Do-it-yourself maintenance
6
Maintenance and care
LS600h/LS600hL_EE(OM50G20E)
Engine compartment: fuse box near the power control unit (right-
hand drive vehicles)
There are high voltage parts and
wiring near the fuse box. For
inspection and replacement of
the fuses, contact any authorized
Lexus dealer or repairer, or
another duly qualified and
equipped professional.
Driver’s side instrument panel
Remove the lid.
Passenger’s side instrument panel
Remove the lid.

5386-3. Do-it-yourself maintenance
LS600h/LS600hL_EE(OM50G20E)
Trunk (type A fuse box)
Remove the 12-volt battery cover
( P. 502) and then remove the
lid.
Trunk (type B fuse box)
Remove the cover.
Trunk (type C fuse box)
Remove the 12-volt battery cover
( P. 502) and then remove the
terminal cover.
Remove the fuse with the pullout
tool.
Only type A fuse can be removed
using the pullout tool.
3

5396-3. Do-it-yourself maintenance
6
Maintenance and care
LS600h/LS600hL_EE(OM50G20E)
Check if the fuse is blown.
Normal fuse
Blown fuse
Type A and B:
Replace the blown fuse with a new fuse of an appropriate amperage rating. The
amperage rating can be found on the fuse box lid.
Type C and D:
Contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
4
1
2
Type AType B
Type CType D

5406-3. Do-it-yourself maintenance
LS600h/LS600hL_EE(OM50G20E)
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may need
replacement. ( P. 541)
●If the replaced fuse blows again, have the vehicle inspected by any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional.
■If there is an overload in a circuit
The fuses are designed to blow, protect ing the wiring harness from damage.
CAUTION
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than that indicated, or use any
other object in place of a fuse.
●Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
●Do not modify the fuses or fuse boxes.
■Fuse box near the power control unit
Never check or replace the fuses as there are high voltage parts and wiring near
the fuse box.
Doing so may cause electric shock, resulting in death or serious injury.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional as
soon as possible.

5416-3. Do-it-yourself maintenance
6
Maintenance and care
LS600h/LS600hL_EE(OM50G20E)
Check the wattage of the light bulb to be replaced. (P. 631)
Rear fog lights
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of
replacement varies depending on the bulb. As there is a danger that
components may be damaged, we recommend that replacement is
carried out by any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional.
Preparing for light bulb replacement
Bulb locations

5426-3. Do-it-yourself maintenance
LS600h/LS600hL_EE(OM50G20E)
■Rear fog lights
Open the trunk lid and remove
the cover.
Turn the bulb base counter-
clockwise.
Remove the light bulb.
When installing, reverse the steps listed.
Replacing light bulbs
1
2
3
4

5436-3. Do-it-yourself maintenance
6
Maintenance and care
LS600h/LS600hL_EE(OM50G20E)
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by any
authorized Lexus dealer or repair er, or another duly qualified and
equipped professional.
●Headlight low beams
●Headlight low/high beams
●Headlight high beams (vehicles without near-infrared ray transmit-
ters)
●Front position lights and daytime running lights
●Front turn signal lights
●Front fog lights
●Side turn signal lights
●Outer foot lights
●Tail lights
●Stop lights
●Back-up lights
●Rear turn signal lights
●High mounted stoplight
●License plate lights
■LED Lights
The lights other than the rear fog lights each consist of a number of LEDs. If any of
the LEDs burn out, take your vehicle to any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional to have the light replaced.
■Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not indi-
cate a malfunction. Contact any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional for more information in the following situations:
●Large drops of water have built up on the inside of the lens.
●Water has built up inside the headlight.

5446-3. Do-it-yourself maintenance
LS600h/LS600hL_EE(OM50G20E)
CAUTION
■Replacing light bulbs
●Turn off the lights. Do not attempt to replace the bulb immediately after turning
off the lights.
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the light bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clean dry cloth to avoid
getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failure to do so may
result in heat damage, fire, or water entering the headlight unit. This may damage
the headlights or cause condensation to build up on the lens.
■To prevent damage or fire
●Make sure bulbs are fully seated and locked.
●Check the wattage of the bulb before installing to prevent heat damage.