steering LEXUS LS600H 2015 Repair Manual

5057-2. Steps to take in an emergency
7
When trouble arises
LS600hL_U(OM50E41U)
■The LKA (Lane-Keeping Assist) lane departure warning function (if equipped)
In the following cases, the warning message will not be displayed even if a lane line is
crossed.
●When the vehicle speed deviates from the operating range of the LKA system
functions
●When the lane lines cannot be recognized
●When the steering wheel is turned as far as necessary to cause the vehicle to
change lanes
■System warning lights
The master warning light does not come on or flash in the following cases. Instead, a
separate system warning light will come on or flash along with the message shown
on the multi-information display.
●Malfunction of the brake system
The brake system warning light (red indicator) comes on. ( P. 4 9 3 )
●Malfunction of the regenerative brake syst em, electronically controlled brake sys-
tem or electric parking brake
The brake system warning light (yellow indicator) comes on. ( P. 495)
●Malfunction of the ABS
The ABS warning light comes on. ( P. 4 9 4 )
●Malfunction of the charging system
The charging system warning light comes on. ( P. 4 9 4 )
●Indicates that a door or the trunk is not fully closed
The open door warnin g light comes on. (P. 4 9 6 )
●High engine coolant temperature
The needle of the engine coolant temperature gauge enters the red zone.
( P. 5 3 0 )
■If “Maintenance required ” is shown (U.S.A. only)
Perform the necessary maintenance.
Please reset the message after the maintenance is performed. ( P. 4 2 6 )
■If “Hybrid System Overheat” is shown
Coping method: P. 5 3 0
This message may be displayed when driv ing under severe operating conditions.
(For example, when driving up a long steep hill.)
■Warning buzzer
In some cases, the buzzer may not be hear d due to ambient noise or sounds from the
audio system.

5177-2. Steps to take in an emergency
7
When trouble arises
LS600hL_U(OM50E41U)
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly. (P. 5 2 6 )
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●There may be a malfunction in the immobilizer system. ( P. 8 8 )
●There may be a malfunction in the steering lock system.
●The hybrid system may be malfunctio ning due to an electrical problem
such as electronic key battery de pletion or a blown fuse. However,
depending on the type of malfuncti on, an interim measure is available
to start the hybrid system. ( P. 5 1 8 )
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 5 2 7 )
●The 12-volt battery terminal connecti ons may be loose or corroded.
If the hybrid system will not start
Reasons for the hybrid system not st arting vary depending on the situa-
tion. Check the following and perf orm the appropriate procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 2 1 6 )
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.

5458-1. Specifications
8
Vehicle specifications
LS600hL_U(OM50E41U)
*: Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the fac-
tory. Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equiva-
lent of matching quality to satisfy th e above specification. Please contact your
Lexus dealer for further details.
*: Minimum pedal clearance when depressed with a force of 112 lbf (500 N, 51 kgf)
while the hybrid system is operating.
When performing the brake pedal inspection, also be sure to check that the
brake system warning light is not illumina ted when the hybrid system is operating
(If the brake system warning light is illuminated, refer to P. 493).
Rear differential
Oil capacity1.42 qt. (1.35 L, 1.19 Imp. qt.)
Oil type and viscosity*Toyota Genuine Differential gear oil LX
75W-85 GL-5 or equivalent
Brakes
Pe d a l c l e a r a n c e*5.8 in. (147 mm) Min.
Pedal free play0.04 - 0.08 in. (1.0 - 2.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Fluid typeSAE J1703 or FMVSS No.116 DOT 3
Steering
Free playLess than 1.2 in. (30 mm)

5598-1. Specifications
8
Vehicle specifications
LS600hL_U(OM50E41U)
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a man-
ufacturer
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of hybrid transmission,
power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1
* below
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty 12-volt battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated

5708-2. Customization
LS600hL_U(OM50E41U)
Automatic
air condi-
tioning sys-
tem
( P. 3 3 6 )
A/C Auto switch opera-
tionOnOffO—O
Exhaust gas sensor sensi-
tivityStandard-3 to 3O—O
Air conditioning control of
Eco drive modeOnOff——O
Climate
control
seats
( P. 3 8 7 )
Front climate control seat
temperature adjustment
during automatic opera-
tion (individual seat adjust-
ment available)
Level 3
(standard)
Level 1
(cool) to level 5
(warm)
O—O
Rear climate control seat
start-up conditions when
power switch is in the ON
position (individual seat
adjustment available)
OffOn
(AUTO)O—O
Function that warms seats
faster than usual (individual
seat adjustment available)
OnOff——O
Time until function that
warms seats faster than
usual turns off (individual
seat adjustment available)
Standard
Short
——OLong
Heated
steering
wheel

(  P. 3 8 5 )
Automatic steering wheel
heatingOnOffO—O
Time until automatic steer-
ing wheel heating turns offLevel 3
(standard)
Level 1
(short) to level 5 (long)
O—O
ItemFunctionDefault settingCustom-
ized setting123

594What to do if... (Troubleshooting)
LS600hL_U(OM50E41U)●
Did you press the power switch
while firmly depressing the
brake pedal? ( P. 2 1 6 )
●Is the shift lever in P? ( P. 2 1 6 )
●Is the electronic key anywhere detectable inside the vehicle?
( P. 1 2 9 )
●Is the steering wheel unlocked? ( P. 2 1 8 )
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary
way. ( P. 5 2 6 )
●Is the 12-volt battery discharged? ( P. 5 2 7 )
●Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake
pedal with the power switch in ON mode ( P. 5 1 9 )
●It is locked automatically to prevent theft of the vehicle.
( P. 218)
If you think something is wrong
The hybrid system does not start
The shift lever cannot be shifted from P even if you depress the
brake pedal
The steering wheel cannot be turn ed after the hybrid system is
stopped

600Alphabetical index
LS600hL_U(OM50E41U)
Card key ................................................... 120
Care ................................................. 418, 422Aluminum wheels ............................... 419
Exterior..................................................... 418
Interior ..................................................... 422
Seat belts ................................................ 423
Cargo capacity........................................213
Cargo hooks .......................................... 373
Cargo net ................................................ 373
Caution label ...............................................81
Chains ....................................................... 327
Child restraint system............................ 62 Booster seats, definition .................... 62
Booster seats, installation.................... 71
Convertible seats, definition ............ 62
Convertible seats, installation .........69
Front passenger occupant classification system .........................55
Infant seats, definition .......................... 62
Infant seats, installation .......................69
Installing CRS with LATCH anchors .....................68
Installing CRS with seat belts ..........69
Installing CRS with top tether strap ......................... 72 Child safety .................................................. 61
12-volt battery precautions ........................... 452, 529
Airbag precautions.............................. 45
Child restraint system......................... 62
Climate control seat precautions .........................................391
Heated steering wheel precautions .......................................386
How your child should wear the seat belt ................................. 37, 38
Installing child restraints .................... 66
Moon roof precautions ....................195
Power window lock switch............ 189
Power window precautions ............ 191
Rear door child-protectors ............146
Removed electronic key battery precautions .............. 473
Seat belt comfort guide ......................37
Seat belt extender precautions ....... 41
Seat belt precautions .......................... 65
Trunk precautions ............................... 152
Child-protectors .................................... 146
Cigarette lighter ................................... 380
Cleaning .........................................418, 422 Aluminum wheels ................................419
Exterior .....................................................418
Interior ..................................................... 422
Seat belts................................................ 423
Climate control seat ........................... 387
Climate control seat filter ................. 390
Clock......................................................... 378
Clock light ............................................... 360
Coat hooks ............................................... 401
Coin holder .............................................367
Condenser............................................... 447
C

602Alphabetical index
LS600hL_U(OM50E41U)
Driver’s seat position memory .......... 172
Driving........................................................ 198Break-in tips .......................................... 199
Correct driving posture .................... 34
Driving mode select switch ......... 283
Hybrid vehicle driving tips............. 323
Procedures ............................................ 198
Winter drive tips .................................325
Dynamic radar cruise control with full-speed range ....................... 257 Function .................................................. 257
Eco drive mode ..................................... 283
EDR (Event data recorder) .................... 11
Electric motor (traction motor) ..........76
Electric Power Steering (EPS) ....... 290 Function ................................................. 290
Warning light .......................................494
Electronic key ......................................... 120 If the electronic key does not operate properly.............................524
Replacing the battery ....................... 472
Electronically modulated air suspension............................................ 287
Emergency flashers ............................. 484 Emergency, in case of
If the 12-volt battery is discharged......................................... 527
If the electronic key does not operate properly ........ 524
If the hybrid system will not start ......................................... 517
If the parking brake cannot be released .......................520
If the shift lever cannot be shifted from P ..............519
If the warning buzzer sounds ...... 493
If the warning light turns on .......... 493
If the warning message is displayed ........................................503
If you have a flat tire ...............506, 515
If you think something is wrong .............................................. 492
If your vehicle becomes stuck......................................................535
If your vehicle has to be stopped in an emergency..........485
If your vehicle needs to be towed .......................................486
If your vehicle overheats ................530
E

603Alphabetical index
LS600hL_U(OM50E41U)
Energy monitor ........................................ 113
EngineACCESSORY mode........................ 217
Compartment......................................439
Engine switch ........................................ 216
Hood ........................................................436
How to start the hy brid system .... 216
Identification number ...................... 539
If the hybrid system will not start......................................... 517
Ignition switch (power switch).................................. 216
Overheating ........................................ 530
Power switch......................................... 216
Engine compartment cover ............. 440
Engine coolant....................................... 445 Capacity .................................................543
Checking................................................445
Preparing and checking before winter ....................................325
Engine coolant temperature gauge ........................................................ 99
Engine oil ................................................. 442 Capacity .................................................. 541
Checking................................................ 442
Preparing and checking before winter ....................................325
Engine switch ...........................................216
EPS (Electric Power Steering) .............. 290 Function ................................................. 290
Warning light .......................................494
EV drive mode......................................... 221
Event data recorder (EDR) .................... 11 First-aid kit storage belt......................375
Flat tire
Vehicles with a spare tire ............. 506
Vehicles with run-flat tires.............. 515
Floor mats....................................................32
Fluid Brake........................................................545
Hybrid transmission ......................... 544
Washer ................................................... 449
Fog lights...................................................243 Replacing light bulbs .........................481
Switch ...................................................... 243
Footwell light .......................................... 360
Front automatic air conditioning system .................................................... 336
Front fog lights........................................243 Replacing light bulbs .........................481
Switch ...................................................... 243
Front passenger occupant classification system ........................... 55
Front seats ................................................. 156 Adjustment..............................................156
Cleaning................................................. 422
Climate control seats ...................... 387
Correct driving posture .................... 34
Driving position memory................. 172
Head restraints ..................................... 179
Power easy access system .............159
Seat position memory ....................... 172
Front side marker lights......................234 Light switch........................................... 234
Replacing light bulbs .........................481
Welcome light illumination control.................................................... 126F

604Alphabetical index
LS600hL_U(OM50E41U)
Front turn signal lights .........................227Replacing light bulbs ......................... 481
Turn signal lever ................................. 227
Fuel ............................................................. 249 Capacity ................................................ 540
Fuel gauge ................................................99
Information ........................................... 550
Refueling.................................................249
Type ............................................. 249, 540
Warning light ...................................... 496
Fuel consumption Average fuel consumption............. 107
Average fuel consumption after refueling..................................... 107
Current fuel consumption .............. 107
Fuel filler door ........................................ 249 If the fuel filler door cannot be opened ......................... 252
Refueling.................................................249
Fuses .......................................................... 474
Garage door opener .......................... 403
Gauges ........................................................ 99
Glove box ................................................ 366 Head restraints........................................ 179
Active head restraint......................... 180
Adjustment ............................................ 179
Headlight cleaner ................................ 248
Headlights ................................................234 Adaptive Front-lighting System (AFS) ................................... 235
Automatic High Beam system .................................................. 238
Light switch........................................... 234
Replacing light bulbs .........................481
Wattage ................................................. 549
Headlight aim .........................................479
Heaters Front automatic air conditioning system...................... 336
Heated steering wheel ...................385
Outside rear view mirrors ............358
Rear air conditioning system .........351
Height control Electronically modulated air suspension......................................... 287
High-voltage components .................... 81
Hill-start assist control ....................... 289
Hood ......................................................... 436 Open ....................................................... 436
G
H