2021 Lexus LC500 fuse box

3046-3. Do-it-yourself maintenance
LC500Fuse box ( P.331)
Engine oil level dipstick ( P.305)
Engine coolant reservoir ( P.308)
Engine oil filler cap ( P.306)
Brake fluid reservoir ( P.309)
Washer fluid tank ( P.310)
Electric cooling fan
Condenser ( P.309)
Radiator ( P.309)
Engine compartment
Components
A
B
C
D
E
F
G
H
I

3056-3. Do-it-yourself maintenance
6
Maintenance and care
LC500hEngine oil level dipstick ( P.305)
Power control unit coolant reservoir ( P.308)
Engine oil filler cap ( P.306)
Brake fluid reservoir ( P.309)
Fuse boxes ( P.331)
Washer fluid tank ( P.310)
Engine coolant reservoir ( P.308)
Electric cooling fan
Condenser ( P.309)
Radiator ( P.309)
■12-volt battery
 P.311
With the engine at operating tempera-
ture and turned off, check the oil level on the dipstick.
■Checking the engine oil
1 Park the vehicle on level ground.
A
B
C
D
E
F
G
H
I
J
Checking and adding the engine
oil

3316-3. Do-it-yourself maintenance
6
Maintenance and care
1Turn the engine switch switch> off.
2 Open the Fuse box cover.
Engine compartment: type A fuse
box (LC500)
Push the tab in and lift the lid off.
Engine compartment: type B fuse
box (LC500h)
Push the tab in and lift the lid off.
WARNING
■Removed battery and other parts
These parts are small and if swallowed by
a child, they can cause choking. Keep
away from children. Failure to do so
could result in death or serious injury.
NOTICE
■When replacing the battery
Use a screwdriver of appropriate size.
Applying excessive force may deform or
damage the cover.
■For normal operation after replacing
the battery
Observe the following precautions to
prevent accidents:
●Always work with dry hands.
Moisture may cause the battery to
rust.
●Do not touch or move any other com-
ponent inside the remote control.
●Do not bend either of the battery ter-
minals.
Checking and replacing
fuses
If any of the electrical components
do not operate, a fuse may have
blown. If this happens, check and
replace the fuses as necessary.
Checking and replacing fuses

3326-3. Do-it-yourself maintenance
Engine compartment: type C fuse
box (LC500h)
Push the tab in and lift the lid off.
Trunk
Remove the luggage mat.
Push the tab in and lift the lid off.
Driver’s side instrument panel
Push the tab in and remove the lid.
Make sure to push the tab in during removal or installation.
Front passenger’s side instrument
panel
Remove the cover, and then remove the
footwell light connector.
Push the tab in and remove the lid.
Make sure to push the tab in during
removal or installation.

3336-3. Do-it-yourself maintenance
6
Maintenance and care
3Remove the fuse with the pullout
tool.
Only type A fuses can be removed using
the pullout tool.
LC500
LC500h
4 Check if the fuse is blown.
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 your Lexus dealer.
Type A
Normal fuse
Blown fuse
Type BNormal fuse
Blown fuse
Type CNormal fuse
Blown fuse
A
B
A
B
A
B

3346-3. Do-it-yourself maintenance
Type DNormal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure that the
tab is installed securely.
●If the lights do not turn on even after the
fuse has been replaced, a bulb may need
replacement. ( P.336)
●If the replaced fuse blows again, have the
vehicle inspected by your Lexus dealer.
■If there is an overload in a circuit
The fuses are designed to blow, protecting
the wiring harness from damage.
■When replacing light bulbs
Lexus recommends that you use genuine
Lexus products designed for this vehicle.
Because certain bulbs are connected to cir-
cuits designed to prevent overload, non-
genuine parts or parts not designed for this
vehicle may be unusable.
WARNING
■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.
A
B
●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.
NOTICE
■Before replacing fuses
Have the cause of electrical overload
determined and repaired by your Lexus
dealer as soon as possible.

3717-2. Steps to take in an emergency
7
When trouble arises
cables and a second vehicle with a 12-
volt battery, you can jump start your
vehicle using the following procedure.
1Confirm that the electronic key
(including the card key) is being
carried.
When connecting the jumper (or booster)
cables, depending on the situation, the
alarm may activate and doors locked.
( P.73)
2 Open the hood ( P.302) and
open the fuse box cover.
Push the tab in and lift the lid off.
LC500
LC500h
3 Open the exclusive jump starting
terminal cover.
LC500
LC500h
4 Remove the engine cover.

3737-2. Steps to take in an emergency
7
When trouble arises
LC500hExclusive jump starting terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery terminal (second vehicle)
Solid, stationary, unpainted metallic point away from the exclusive jump starting
terminal and any mo ving parts as shown in the illustration
6 Start the engine of the second vehi-
cle. Increase the engine speed
slightly and maintain at that level for
approximately 5 minutes to
recharge the 12-volt battery of your
vehicle.
7 Open and close any of the door of
your vehicle with the engine switch
off.
8 Maintain the engine speed of the
second vehicle and start the engine
of your vehicle by
turning the engine switch switch> to IGNITION ON mode
.
9 Once the vehicle’s engine system> has started, remove the
jumper cables in the exact reverse order from which they were con-
nected.
10 Close the exclusive jump starting
terminal cover, and reinstall the fuse
box cover to its original position.
Once the engine
starts, have the vehicle inspected at
your Lexus dealer as soon as possible.
■Starting the engine
when the 12-volt battery is discharged
The engine cannot be
started by push-starting.
■To prevent 12-volt battery discharge
●Turn off the headlights and the audio sys-
tem while the engine is
stopped.
●Turn off any unnecessary electrical com-
ponents when the vehicle is running at a
low speed for an extended period, such
as in heavy traffic.
A
B
C
D