fuse lexus LC500 2018 User Guide

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6-3. Do-it-yourself maintenance
Blown fuse
Type D
Normal 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.355)
●If the replaced fuse blows again, have the
vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
■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.
B
A
B
●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.
NOTICE
■Before replacing fuses
Have the cause of electrical overload
determined and repaired by any autho- rized Lexus retailer or Lexus authorized repairer, or any reliable repairer as soon
as possible.

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7-2. Steps to take in an emergency
When trouble arises
One of the following may be the cause
of the problem:
 The electronic key may not be func-
tioning properly. ( P.390)
 There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle. ( P.201)
 The engine may be flooded.
Try to restart the engine again fol-
lowing correct starting procedures.
( P.163)
 There may be a malfunction in the
engine immobilizer system.
( P.70)
 There may be a malfunction in the
shift control system.* ( P.166)
 There may be a malfunction in the
steering lock system.
*: It may not be possible to shift the shift
position from P.
One of the following may be the cause
of the problem:
 The 12-volt battery may be dis-
charged. ( P.392)
 The 12-volt battery terminal con-
nections may be loose or corroded.
( P.326)
The engine starting system may be
malfunctioning due to an electrical
problem such as electronic key battery
depletion or a blown fuse. However, an
interim measure is available to start the
engine.
One of the following may be the cause
of the problem:
 One or both of the 12-volt battery
terminals may be disconnected.
( P.326)
 The 12-volt battery may be dis-
charged. ( P.392)
 There may be a malfunction in the
If the engine will not start
(LC500)
If the engine will not start even
though correct starting procedures
are being followed ( P.163), con-
sider each of the following points:
The engine will not start even
though the starter motor oper-
ates normally.
The starter motor turns over
slowly, the interior lights and
headlights are di m, or the horn
does not sound or sounds at a low
volume.
The starter motor does not turn
over
The starter motor does not turn
over, the interior lights and head-
lights do not turn on, or the horn
does not sound.

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7-2. Steps to take in an emergency
steering lock system.
Contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable
repairer if the problem cannot be repaired,
or if repair procedures are unknown.
When the engine does not start, the
following steps can be used as an
interim measure to start the engine if
the engine switch is functioning nor-
mally. Do not use this starting proce-
dure except in cases of emergency.
1 Press the parking brake switch to
check that the parking brake is set.
( P.187)
Parking brake indicator will come on.
2Turn the engine switch to ACCES-
SORY mode.
3 Press and hold the engine switch
for about 15 seconds while
depressing the brake pedal firmly.
Even if the engine can be started using
the above steps, the system may be
malfunctioning. Have the vehicle
inspected by any authorized Lexus
retailer or Lexus authorized repairer,
or any reliable repairer.
One of the following may be the cause
of the problem:
 The electronic key may not be func-
tioning properly. ( P.390)
 There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle. ( P.201)
 There may be a malfunction in the
immobilizer system. ( P.70)
 There may be a malfunction in the
shift control system.* ( P.170)
 There may be a malfunction in the
steering lock system.
 The hybrid system may be malfunc-
tioning due to an electrical problem
such as electronic key battery
depletion or a blown fuse. However,
depending on the type of malfunc-
tion, an interim measure is available
to start the hybrid system.
*: It may not be possible to shift the shift
position from P.
Starting the engine in an emer-
gency
If the hybrid system will not
start (LC500h)
Reasons for the hybrid system not
starting vary depending on the situ-
ation. Check the following and per-
form the appropriate procedure:
The hybrid system will not start
even though the correct starting
procedure is being followed.
( P.167)

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7-2. Steps to take in an emergency
2Open the hood (P.316) and
open the fuse box cover.
Push the tab in an d lift the lid off.
LC500 (Left-hand drive vehicles)
LC500 (Right-hand drive vehicles)
LC500h (Left-hand drive vehicles)
LC500h (Right-hand drive vehi-
cles)
3 Open the exclusive jump starting
terminal cover.
LC500 (Left-hand drive vehicles)
LC500 (Right-hand drive vehicles)

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7-2. Steps to take in an emergency
When trouble arises
LC500h (Right-hand drive vehicles)
Exclusive 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 moving parts as shown in the illustration
5 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.
6 Open and close any of the door of
your vehicle with the engine switch
<power switch> off.
7 Maintain the engine speed of the
second vehicle and start the engine
<hybrid system> of your vehicle by
turning the engine switch <power
switch> to IGNITION ON mode
<ON mode>.
8 Once the vehicle’s engine <hybrid
system> has started, remove the
jumper cables in the exact reverse
order from which they were con-
nected.
9 Close the exclusive jump starting
terminal cover, and reinstall the fuse
box cover to tits original position.
Once the engine <hybrid system> starts, have the vehicle inspected at any autho-rized Lexus retailer or Lexus authorized
repairer, or any reliable repairer as soon as possible.
■Starting the engine <hybrid system> when the 12-volt battery is discharged
The engine <hybrid system> cannot be started by push-starting.
■To prevent 12-volt battery discharge
●Turn off the headlights and the audio sys-tem while the engine <hybrid system> is
stopped.
●Turn off any unnecessary electrical com-
A
B
C
D

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Alphabetical index
Correct driving posture ............................ 29
Driving position memory ........................ 140
Head restraints..............................................143
Jam protection function............................139
Memory recall function ............................. 141
Seat heaters ................................................. 288
Seat position memory .............................. 140
Seat ventilators ........................................... 288
Front turn signal lights
Replacing light bulbs................................355
Turn signal lever .......................................... 186
Fuel...................................................................... 201
Capacity ........................................................... 412
Fuel gauge........................................................88
Fuel pump shut off system..................... 367
Information ...................................................... 421
Refueling ......................................................... 201
Type ....................................................................412
Warning light ............................................... 373
Fuel consumption
Average fuel consumption after refueling
............................................................................ 94
Average fuel economy .............................. 94
Current fuel consumption ........................ 94
Fuel filler door................................................. 201
If the fuel filler d oor cannot be opened
........................................................................ 388
Refueling ......................................................... 201
Fuel gauge......................................................... 88
Fuel pump shut off system ........................367
Fuses................................................................. 350
G
Gauges............................................................... 88
Gear Shift Indicator ...........................178, 185
Glove box .......................................................293
Glove box light..............................................293
Grocery bag hooks.....................................295
H
Headlight cleaners ....................................... 196
Headlights ..........................................................191
Automatic High Beam system ............. 193
Follow me home system ......................... 192
Light switch ...................................................... 191
Replacing light bulbs ............................... 355
Head restraints............................................... 143
Head-up display ..............................................99
Heated steering wheel.............................. 288
Heaters
Air conditioning system ......................... 280
Heated steering wheel ........................... 288
Outside rear view mirrors...................... 281
Seat heaters ................................................. 288
High-voltage components ..........................65
Hill-start assist control................................262
Hood .................................................................. 316
Open ................................................................. 316
Pop Up Hood................................................. 43
Hooks
Cargo hooks ............................................... 295
Coat hooks .................................................. 298
Grocery bag hooks................................. 295
Retaining hooks (floor mat) .....................28
Horn.................................................................... 145
Hybrid battery (traction battery)
Location .............................................................65
Specification ...................................................412
Warning message ....................................... 68
Hybrid battery (traction battery) air vents
............................................................................ 68
Hybrid system...................................................62
Emergency shut off system..................... 68
Energy monitor/consumption screen104
EV drive mode............................................... 171
High voltage components........................65
Hybrid System Indicator ......................... 103
Hybrid system precautions......................65
Hybrid vehicle driving tips..................... 267

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Alphabetical index
Refueling ........................................................... 201
Capacity ........................................................... 412
Fuel types ......................................................... 412
If the fuel filler d oor cannot be opened
........................................................................ 388
Opening the fuel tank cap ..................... 201
Regenerative braking....................................63
Remote Touch ............................................... 274
Replacing
Electronic key battery..............................349
Fuses ............................................................... 350
Light bulbs.....................................................355
Tires ..................................................................339
Rev indicator .................................................... 89
Rev peak ............................................................ 90
Road Sign Assist ...........................................226
RSA (Road Sign Assist).............................226
Run-flat tires ....................................... 329, 384
S
Seat belt reminder light .............................373
Seat belts ........................................................... 30
Child restraint system installation ......... 49
Cleaning and maintaining the seat belt
.........................................................................307
Emergency Locking Retractor .............. 32
How to wear your seat belt ....................... 31
How your child should wear the seat belt
............................................................................ 32
Pregnant women, proper seat belt use31
Reminder light and buzzer ................... 373
Seat belt guide ............................................... 32
Seat belt pretensioners .............................. 33
SRS warning light.......................................369
Seat heaters................................................... 288
Seat lights ......................................................... 291
Seat position memory ................................. 140
Seats ...................................................................138
Adjustment precautions .......................... 138
Adjustment..................................................... 138
Child seats/child restraint system installa-
tion.....................................................................48
Cleaning .........................................................307
Driving position memory ........................ 140
Head restraints............................................. 143
Jam protection function ........................... 139
Properly sitting in the seat ........................ 29
Seat heaters ................................................. 288
Seat position memory............................... 140
Seat ventilators ........................................... 288
Seat ventilators............................................. 288
Sensor
Automatic headlight system .................... 191
Automatic High Beam system ............. 193
Inside rear view mirror ............................. 146
Intrusion sensor and tilt sensor ..............78
Lexus parking assist.................................. 243
LKA (Lane-Keeping Assist) .................. 218
Radar sensor ................................................204
Rain-sensing windshield wipers .......... 197
Service plug.......................................................65
Service reminder message ....................... 312
Shift lever
Automatic transmission ............................173
Hybrid transmission................................... 179
Shift lever light ................................................ 291
Shift position and gear position ................ 88
Side airbags .......................................................35
Side mirrors ..................................................... 147
Adjustment ......................................................147
BSM (Blind Spot Monitor)....................248
Folding.............................................................. 148
Linked mirror function when reversing
........................................................................... 148
Mirror position memory .......................... 140
Side turn signal lights ...................................186
Replacing light bulbs ............................... 355
Turn signal lever .......................................... 186
Side windows ..................................................150
Slip indicator ................................................... 371