check engine lexus LC500h 2018 / LEXUS 2018 LC500,LC500H (OM11405U) Repair Manual

3748-1. Specifications
LC500_LC500h_OM_OM11405U_(U)
LC500
■Oil capacity (Drain and refill [Ref-
erence
*])
*: The engine oil capacity is a reference quantity to be used when changing the
engine oil. Warm up and turn off the
engine, wait more than 5 minutes, and
check the oil level on the dipstick.
■Engine oil selection
“Toyota Genuine Motor Oil” is used in
your Lexus vehicle. Use Lexus
approved “Toyota Genuine Motor Oil”
or equivalent to satisfy the following
grade and viscosity.
Oil grade: ILSAC GF-5 multigrade
engine oil
Recommended viscosity: SAE 5W-30 SAE 5W-30 is the best choice for
good fuel economy and good starting
in cold weather.
If SAE 5W-30 is not available, SAE
10W-30 oil may be used. However, it
should be replaced with SAE 5W-30
at the next oil change.
Outside temperature
Oil viscosity (5W-30 is explained here
as an example):
• The 5W in 5W-30 indicates the characteristic of the oil which allows
Electric motor (traction motor) (LC500h)
TypePermanent magnet synchronous motor
Maximum output131.9 kW
Maximum torque221.3 ft•lbf (300 N•m, 30.6 kgf•m)
Hybrid battery (traction battery) (LC500h)
TypeLithium-ion battery
Voltage3.7 V/cell
Capacity3.6 Ah
Quantity84 cells
Overall voltage310.8 V
Lubrication system
With filter9.1 qt. (8.6 L, 7.6 Imp.qt.)
Without filter8.3 qt. (7.9 L, 7.0 Imp.qt.)
A

3758-1. Specifications
LC500_LC500h_OM_OM11405U_(U)
8
Vehicle specifications
cold startability. Oils with a lower
value before the W allow for easier
starting of the engine in cold
weather.
• The 30 in 5W-30 indicates the vis- cosity characteristic of the oil when
the oil is at high temperature. An oil
with a higher viscosity (one with a
higher value) may be better suited if
the vehicle is operated at high
speeds, or under extreme load con-
ditions.
How to read oil container label:
The International Lubricant Specifica-
tion Advisory Committee (ILSAC)
Certification Mark is added to some oil
containers to help you select the oil you
should use.
LC500h
■Oil capacity (Drain and refill [Ref-
erence
*])
*: The engine oil capacity is a reference quantity to be used when changing the
engine oil. Warm up the engine and turn
off the hybrid system, wait more than 5
minutes, and check the oil level on the
dipstick.
■Engine oil selection
“Toyota Genuine Motor Oil” is used in
your Lexus vehicle. Use Lexus
approved “Toyota Genuine Motor Oil”
or equivalent to satisfy the following
grade and viscosity.
Oil grade: ILSAC GF-5 multigrade
engine oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choice for
good fuel economy and good starting
in cold weather.
If SAE 0W-20 is not available, SAE
5W-20 oil may be used. However, it
must be replaced with SAE 0W-20 at
the next oil change.
Outside temperature
Oil viscosity (0W-20 is explained here
as an example):
• The 0W in 0W-20 indicates the characteristic of the oil which allows
cold startability. Oils with a lower
value before the W allow for easier
starting of the engine in cold
weather.
• The 20 in 0W-20 indicates the vis- cosity characteristic of the oil when
the oil is at high temperature. An oil
with a higher viscosity (one with a
With filter6.0 qt. (5.7 L, 5.0 Imp.qt.)
Without filter5.8 qt. (5.5 L, 4.8 Imp.qt.)
A

3798-1. Specifications
LC500_LC500h_OM_OM11405U_(U)
8
Vehicle specifications
*1: Minimum pedal clearance when depressed with a force of 112.4 lbf (500 N, 51.0 kgf)
while the engine is running .
When performing the brake pedal inspection, also be sure to check that the brake sys-
tem warning light is not illumin ated when the engine is running ing>. (If the brake system warning lig ht is illuminated, refer to P.334.)
*2: Make sure to confirm that the brake warning light (yellow) does not illuminate. (If the
brake warning light illuminates, refer to P.338.)
Type A
Parking brake indicator*2
When pushing the parking brake switch for
1 to 4 seconds: comes on
When pulling the parking brake switch for 1
to 4 seconds: turns off
Fluid typeSAE J1703 or FMVSS No.116 DOT 3
Steering
Free playLess than 1.2 in. (30 mm)
Tires and wheels
Tire sizeFront tires: 245/45RF20 99Y
Rear tires: 275/40RF20 102Y
Tire inflation pressure
(Recommended cold tire inflation pressure)
Driving under normal conditions
Front: 33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Rear: 33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Driving at high speeds (above 137 mph
[220 km/h]) (in countries where such
speeds are permitted by law)
Add 10 psi (70 kPa, 0.7 kgf/cm
2 or bar) to
the front tires and rear tires. Never exceed
the maximum cold tire inflation pressure
indicated on the tire sidewall.
Wheel sizeFront wheels: 20  8 1/2J
Rear wheels: 20  9 1/2J
Wheel nut torque103.3 ft•lbf (140 N•m, 14.3 kgf•m)

418What to do if... (Troubleshooting)
LC500_LC500h_OM_OM11405U_(U)
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
 If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.354)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.354)
 Is the electronic key battery weak or
depleted? ( P.318)
 Is the engine switch
in IGNITION ON mode mode>?
When locking the doors, turn the engine
switch off. ( P.142, 146)
 Is the electronic key left inside the
vehicle?
When locking the doors, make sure that
you have the electronic key on your per-
son.
The function may not operate prop-
erly due to the condition of the radio wave. (
P.108)
 The function to prevent the elec-
tronic key from being left inside the
trunk will operate and you can open
the trunk as usual. Take the key out
from the trunk. ( P.105)
 Did you press the engine switch
while firmly
depressing the brake pedal?
( P.140, 143)
 Is the shift position in P? ( P.149,
155)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.107)
 Is the steering wheel unlocked?
( P.141, 144)
 Is the electronic key battery weak or
depleted?
In this case, the engine can
be started in a temporary way. ( P.356)
 Is the 12-volt battery discharged?
( P.357)
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The doors cannot be locked or
unlocked
The trunk lid is closed with the
electronic key left inside
If you think something is wrong
The engine does
not start
The steering wheel cannot be
turned after the engine system> is stopped

419What to do if... (Troubleshooting)
LC500_LC500h_OM_OM11405U_(U)419What to do if... (Troubleshooting)
 It is locked automatically to prevent
theft of the vehicle. ( P.141, 144)
 Is the window lock switch pressed?
The power window at the passenger’s seat
cannot be operated if the window lock
switch is pressed. ( P.126)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is
not running operating>) for a period of time.
( P.143, 146)
 The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? ( P.339)
 The parking brake indicator is on
Is the parking brake released? ( P.162)
Depending on the situation, other
types of warning buzzer may also
sound. ( P.334, 344)
 Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds.
(
 P.64)
To stop the alarm, turn the engine
switch to IGNITION
ON mode , or start the
engine .
 Is the electronic key left inside the
vehicle?
Check the message on the multi-informa-
tion display. ( P.344)
 When a warning light turns on or a
warning message is displayed, refer
to P.334, 344.
 Slow down the vehicle, drive with
extra caution, and take your vehicle
to the nearest Lexus dealer or
authorized tire dealer as soon as
possible to have the tire replaced.
( P.350)
 Try the procedure for when the vehi-
cle becomes stuck in mud, dirt, or
snow. ( P.370)
The windows do not open or
close by operating the power
window switches
The engine switch switch> is turned off automati-
cally
A warning buzzer sounds during
driving
An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

423What to do if... (Troubleshooting)
LC500_LC500h_OM_OM11405U_(U)Alphabetical index423
Ignition switch (engine switch) ............ 140
Ignition switch (power switch) ..............143
Overheating.....................................364, 366
Power switch ................................................. 143
Engine coolant.............................................. 295 Capacity ......................................................... 376
Checking ....................................................... 295
Preparing and checking before winter......................................................................... 233
Engine coolant temperature gauge ........74
Engine immobilizer system ........................ 62
Engine oil ........................................................ 293 Capacity ......................................................... 374
Checking ....................................................... 293
Preparing and checking before winter......................................................................... 233
Warning light ............................................... 334
Warning message..................................... 347
Engine oil maintenance data .................. 294
Engine oil temperature gauge ...................74
Engine switch (power switch) ....... 140, 143 Auto power off function ................ 143, 146
Changing the engine switch (power switch) modes..................................142, 146
If your vehicle has to be stopped in an
emergency ................................................ 326
Starting the engine (hybrid system) 140,
143
EPS (Electric Power Steering) ...............227 Function ...........................................................227
Warning light ...............................................335
EV drive mode................................................ 147
Event data recorder (EDR) ............................7
EV indicator ...................................................... 55
F
First-aid kit storage belt ............................ 256
Flat tire ............................................................. 350 Tire pressure warning system .............303
Floor mats ...........................................................22
Fluid Automatic transmission ...........................377 Brake ................................................................378
Hybrid transmission..................................378
Washer ........................................................... 297
Footwell light ................................................. 252
Front passenger occupant classification system .............................................................. 38
Front seats ......................................................... 114 Adjustment ....................................................... 114
Cleaning ......................................................... 277
Correct driving posture ............................ 23
Driving position memory .......................... 116
Head restraints............................................... 119
Jam protection function ............................. 115
Memory recall function.............................. 117
Seat heaters .................................................. 249
Seat position memory ................................ 116
Seat ventilators ............................................ 249
Front side marker light ................................ 167 Light switch .....................................................167
Replacing light bulbs ................................ 324
Front turn signal lights .................................. 161 Replacing light bulbs ................................ 324
Turn signal lever ............................................ 161
Fuel ...................................................................... 176 Capacity ......................................................... 373
Fuel gauge ........................................................ 74
Fuel pump shut off system.....................333
Information ..................................................... 381
Refueling...........................................................176
Type .................................................................. 373
Warning light .............................................. 338
Fuel consumption Average fuel consumpt ion after refueling
............................................................................. 79
Average fuel economy .............................. 79
Current fuel consumption ........................ 79
Fuel filler door ................................................. 176 If the fuel filler do or cannot be opened
..........................................................................354
Refueling...........................................................176
Fuel gauge ..........................................................74
Fuel pump shut off system........................ 333

427What to do if... (Troubleshooting)
LC500_LC500h_OM_OM11405U_(U)Alphabetical index427
Indicator .........................................................338
Operation........................................................ 162
Parking brake engaged warning buzzer ...........................................................................164
Warning message.......................................164
Parking lights ................................................... 167 Light switch ..................................................... 167
Replacing light bulbs................................ 324
PCS (Pre-Collision System) .................... 184 Function ........................................................... 184
PCS OFF switch ......................................... 186
Warning light ............................................... 336
Warning message...................................... 190
Personal lights............................................... 252
Pop-up display ..................................................76
Pop Up Hood................................................... 36
Power control unit...........................................57
Power control unit coolant ...................... 295 Capacity ......................................................... 376
Checking ....................................................... 295
Preparing and checking before winter......................................................................... 233
Power outlet .................................................. 258
Power steering (Elect ric power steering
system)...........................................................227 Warning light ...............................................335
Warning message..................................... 345
Power switch (engine switch) ....... 140, 143 Auto power off function ................ 143, 146
Changing the power switch (engine switch) modes..................................142, 146
If your vehicle has to be stopped in an
emergency ................................................ 326
Starting the hybrid system (engine) 140, 143
Power windows ..............................................125 Door lock linked window operation.. 126
Jam protection function............................ 126
Operation........................................................125
Window lock switch .................................. 126
Pre-Collision System (PCS) .................... 184 Function ........................................................... 184 PCS OFF switch ......................................... 186
Warning light ...............................................336
Warning message ...................................... 190
R
Radar cruise control (dynamic radar cruise
control with full-speed range).............. 198
Radiator ........................................................... 296
Rear side marker lights ............................... 167 Light switch .....................................................167
Replacing light bulbs ................................ 324
Rear turn signal lights ................................... 161 Replacing light bulbs ................................ 324
Turn signal lever ............................................ 161
Rear view mirror Inside rear view mirror .............................. 122
Outside rear view mirrors.......................123
Rear window defogger ............................. 243
Refueling ........................................................... 176 Capacity ......................................................... 373
Fuel types ....................................................... 373
If the fuel filler do or cannot be opened
..........................................................................354
Opening the fuel tank cap ......................176
Regenerative braking ................................... 55
Remote Touch .............................................. 236
Replacing Electronic key battery ............................... 318
Fuses.................................................................. 319
Light bulbs ..................................................... 324
Tires ................................................................. 309
Resetting the message indicating mainte- nance is required ...................................... 282
Rev indicator .................................................... 75
Rev peak..............................................................76
Run-flat tires....................................... 303, 350
S
Seat belt reminder light............................. 339
Seat belts............................................................ 24 Automatic Locking Retractor................. 26

429What to do if... (Troubleshooting)
LC500_LC500h_OM_OM11405U_(U)Alphabetical index429
Stop lights Replacing light bulbs................................ 324
Storage feature ............................................ 254
Stuck If the vehicle becomes stuck................ 370
Sunshade......................................................... 259
Sun visors ........................................................ 258
Switches “SOS” button ............................................... 266
Active rear wing switch .......................... 224
Automatic High Beam system..............170
Brake Hold switch ..................................... 165
BSM (Blind spot monitor) switch........ 216
Door lock switches ...................................... 101
Driving mode select switch ..................208
Driving position memory switches ...... 116
Dynamic radar cruise control with full-speed range switch .................................199
Emergency flashers switch ................... 326
Engine switch................................................ 140
EV drive mode switch .............................. 147
Garage door opener switches ..........260
Heated steering wheel switch............. 249
HUD (Head-up display) switch............ 84
Ignition switch..................................... 140, 143
Instrument panel light control switch... 77
Intuitive parking assist switch.................210
Light switches ................................................ 167
LKA (Lane-Keeping Assist) switch...193
Meter control switches .............................. 79
Outside rear view mirror switches ..... 123
Paddle shift switches . 153, 154, 159, 160
Parking brake switch ................................. 162
PCS OFF switch ......................................... 186
Power door lock switch ............................ 101
Power switch ................................................. 143
Power window switches ..........................125
Rear window and outside rear view mir- ror defoggers switch ............................ 242
Seat heater switches ................................ 249
Seat ventilator switches .......................... 249
Snow mode switch .......................... 153, 159 Tilt and telescopic steering control switch
............................................................................. 121
Tire pressure warning reset switch.. 306
Trunk opener main switch...................... 106
Trunk opener switch ................................. 104
Vehicle-to-vehicle distance switch.... 199
VSC OFF switch .......................................228
Window lock switch...................................126
Windshield wiper and washer switch172
Windshield wiper de-icer switch....... 246
T
Tachometer........................................................74 Variable red zone......................................... 76
Tail lights............................................................ 167 Light switch .....................................................167
Replacing light bulbs ................................ 324
Theft deterrent system Alarm................................................................... 64
Engine immobilizer system...................... 62
Theft prevention labels ...............................65
Tire inflation pressure ..................................313 Maintenance data ...................................... 379
Tire inflation pressure display function......................................................................... 303
Warning light .............................................. 340
Tire information ............................................ 383 Glossary ........................................................ 386
Size ................................................................... 384
Tire identification number..................... 384
Uniform Tire Quality Grading ........... 385
Tire pressure warning system ................ 303 Function ......................................................... 303
Initializing....................................................... 306
Installing tire pres sure warning valves
and transmitters...................................... 305
Registering ID codes ...............................307
Warning light .............................................. 340
Tires.................................................................... 301 Chains ............................................................. 234
Checking ........................................................ 301
If you have a flat tire ................................. 350

431What to do if... (Troubleshooting)
LC500_LC500h_OM_OM11405U_(U)Alphabetical index431
Pre-collision braking................................. 184
Seat belt reminder..................................... 339
Warning label ...................................................57
Warning lights............................................... 334 ABS ..................................................................335
Brake hold operated indicator ........... 337
Brake Override System ......................... 337
Brake pad wear..........................................338
Brake system ...................................334, 338
Charging system ....................................... 334
Electric power steering ..........................335
High coolant temperature ....................340
LKA (Lane-Keeping Assist)................. 336
Low engine oil pressure......................... 334
Low fuel level ...............................................338
Malfunction indicator lamp...................335
Master warning light ................................ 339
Parking brake indicator ..........................338
Pre-collision system ................................. 336
Seat belt reminder light .......................... 339
Slip indicator ................................................ 337
SRS....................................................................335
Tire pressure ................................................340
Warning messages ..................................... 344
Warning reflector storag e belt.............. 256
Washer .............................................................. 172 Checking ....................................................... 297
Preparing and checking before winter......................................................................... 233
Switch ................................................................ 172
Washing and waxing...................................274
Weight Cargo capacity............................................ 138
Load limits ...................................................... 138
Weight ............................................................ 372
Wheels ...............................................................315 Replacing wheels.......................................309
Size.................................................................... 379
Window lock switch ..................................... 126
Windows ...........................................................125 Power windows............................................125
Rear window defogger .......................... 243 Washer ............................................................. 172
Windshield wiper de-icer ........................ 246
Windshield wipers ........................................ 172 Position..............................................................174
Rain-sensing windshield wipers ........... 172
Winter driving tips....................................... 233
Wireless remote control ..............................97 Battery-Saving Function..........................108
Locking/Unlocking ..................................... 97
Replacing the battery ................................ 318
For information regarding the equipment listed below, refer to
the “NAVIGATION SYSTEM
OWNER’S MANUAL”.
· Audio/video system
· Navigation system
· Lexus parking assist monitor
· Lexus Enform