engine Lexus IS300h 2014 Repair Manual
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Page 562 of 612

5629-1. Specifications
IS300h_EE(OM53C61E)
Engine
Model2AR-FSE
Ty p e4-cylinder in line, 4-cycle, gasoline
Bore and stroke90.0 × 98.0 mm (3.54 × 3.86 in.)
Displacement2494 cm3 (152.2 cu. in.)
Va l v e c l e a r a n c e
(engine cold)Automatic adjustment
Drive belt tensionAutomatic adjustment
Fuel
Fuel type
EU area:
Unleaded gasoline conforming to European standard
EN228 only
Except EU area:
Unleaded gasoline only
Research Octane Number95 or higher
Fuel tank capacity
(Reference)66 L (17.4 gal., 14.5 Imp. gal.)
Electric motor (traction motor)
Ty p ePermanent magnet synchronous motor
Maximum output105 kW
Maximum torque300 N•m (30.6 kgf•m, 221.3 ft•lbf)
Hybrid battery (traction battery)
Ty p eNickel-Metal hydride battery
Vo l t a g e7. 2 V/m o d u l e
Capacity6.5 Ah (3HR)
Quantity32 modules
Overall voltage230.4 V
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Page 563 of 612
![Lexus IS300h 2014 Repair Manual 563
9 9-1. Specifications
Vehicle specifications
IS300h_EE(OM53C61E)
■Oil capacity (Drain and refill [Reference*])
*: The engine oil capacity is a reference quantity to be used when changing the eng Lexus IS300h 2014 Repair Manual 563
9 9-1. Specifications
Vehicle specifications
IS300h_EE(OM53C61E)
■Oil capacity (Drain and refill [Reference*])
*: The engine oil capacity is a reference quantity to be used when changing the eng](/img/36/30033/w960_30033-562.png)
563
9 9-1. Specifications
Vehicle specifications
IS300h_EE(OM53C61E)
■Oil capacity (Drain and refill [Reference*])
*: 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. Lexus recom-
mends the use of approved “Toyota Genuine Motor Oil”. Another motor oil of
matching quality can also be used.
Oil grade:
0W-20, 5W-20, 5W-30 and 10W-30:
API grade SL “Energy-Conserving”, SM “Energy-Conserving” or SN
“Resource-Conserving”; or ILSAC multigrade engine oil
1 5 W- 4 0 a n d 2 0 W- 5 0 :
API grade SL, SM or SN multigrade engine oil
Recommended viscosity (SAE):
SAE 0W-20 is filled into your Lexus
vehicle at manufacturing, and the
best choice for good fuel economy
and good starting in cold weather.
If SAE 0W-20 oil is not available,
SAE 5W-30 oil may be used. How-
ever, it should be replaced with SAE
0W-20 at the next oil change.
If you use SAE 10W-30 or a higher
viscosity engine oil in extremely low
temperatures, the engine may
become difficult to start, so SAE
0 W-20, 5W-20 or 5W-30 engine
oil is recommended.
Lubrication system
With filter4.5 L (4.8 qt., 4.0 Imp. qt.)
Without filter4.1 L (4.3. qt., 3.6 Imp. qt.)
Temperature range anticipated
before next oil change.Preferred
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Page 564 of 612

5649-1. Specifications
IS300h_EE(OM53C61E)
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 viscosity 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 conditions.
How to read oil container labels:
Either or both API registered marks are added to some oil containers to help
you select the oil you should use.
API Service Symbol
Top portion: “API SERVICE SN”
means the oil quality designation by
American Petroleum Institute (API).
Center portion: “SAE 0W-20”
means the SAE viscosity grade.
Lower portion: “Resource-
Conserving” means that the oil has
fuel-saving and environmental pro-
tection capabilities.
ILSAC Certification Mark
The International Lubricant Specification Advisory Committee (ILSAC) Certifica-
tion Mark is displayed on the front of the container.
1
2
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Page 565 of 612

565
9 9-1. Specifications
Vehicle specifications
IS300h_EE(OM53C61E)
■Spark plug
Cooling system
Gasoline engine
Po w e r c o n t ro l u n i t
Left-hand drive
vehiclesRight-hand drive
vehicles
Capacity8.2 L (8.7 qt.,
7. 2 I m p . q t . )2.0 L (2.1 qt.,
1.8 Imp. qt.)2.2 L (2.3 qt.,
1.9 Imp. qt.)
Coolant type
Use either of the following:
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based non-silicate,
non-amine, non-nitrite, and non-borate coolant with long-
life hybrid organic acid technology
Do not use plain water alone.
Ignition system
Make DENSO FK20HBR8
Gap 0.8 mm (0.031 in.)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
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Page 571 of 612

571
9 9-1. Specifications
Vehicle specifications
IS300h_EE(OM53C61E)
■Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your vehicle has a fuel tank opening that only accom-
modates the special nozzle on unleaded fuel pumps.
■If your engine knocks
●Consult any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
●You may occasionally notice light knocking for a short time while accelerating or driv-
ing uphill. This is normal and there is no need for concern.
Fuel information
EU area:
Your vehicle must use only unleaded gasoline conforming to European stan-
dard EN228.
For optimum engine performance, select unleaded gasoline with a Research
Octane Number of 95 or higher.
Except EU area:
Your vehicle must use only unleaded gasoline.
For optimum engine performance, select unleaded gasoline with a Research
Octane Number of 95 or higher.
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Page 572 of 612

5729-1. Specifications
IS300h_EE(OM53C61E)
NOTICE
■Notice on fuel quality
●Do not use improper fuels. If improper fuels are used, the engine will be damaged.
●Do not use leaded gasoline.
Leaded gasoline will cause the three-way catalytic converter to lose its effectiveness
and the emission control system to function improperly.
●Gasoline engine (EU area): Bioethanol fuel sold under names such as “E50” or
“E85” and fuel containing a large amount of ethanol should not be used. The use of
these fuels will damage the vehicle’s fuel system. In case of any doubt, ask any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped professional.
●Gasoline engine (except EU area): Bioethanol fuel sold under names such as “E50”
or “E85” and fuel containing a large amount of ethanol should not be used. Your vehi-
cle can use gasoline mixed with 10% max ethanol. The use of fuel with more than 10%
ethanol content (E10) will damage the vehicle’s fuel system. You must ensure that
refueling is carried out only from a source where fuel specification and quality can be
guaranteed. In case of any doubt, ask any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
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Page 593 of 612

593Alphabetical index
IS300h_EE(OM53C61E)
Child-protectors ................................... 140
Cleaning ....................................... 426, 430
Aluminum wheels .............................. 427
Exterior.................................................... 426
Interior .....................................................430
Seat belts..................................................431
Clock .........................................................420
Coat hooks .............................................. 424
Condenser ............................................. 446
Console box ............................................ 414
Coolant ..................................................... 444
Capacity ................................................ 565
Checking ............................................... 444
Preparing and checking
before winter ....................................... 311
Cooling system...................................... 444
Engine overheating ..........................552
Hybrid system overheating ..........552
Cruise control
Cruise control ..................................... 245
Dynamic radar cruise control ..... 249
Cup holders ............................................. 415
Current fuel consumption.................... 116
Curtain shield airbags ........................... 43
Customizable features ....................... 574DAB (Digital Audio Broadcast) ..... 339
Daytime running light system ..........227
Defogger
Front windshield................................. 404
Outside rear view mirrors ............ 404
Rear window........................................ 404
Differential............................................... 567
Digital Audio Broadcast (DAB) ..... 339
Dimensions ............................................. 560
Display
Drive information...................................116
Dynamic radar cruise control ..... 249
LDA (Lane Departure Alert) .......262
Multi-information display...................115
Warning message ............................509
Distance ...................................................... 117
Do-it-yourself maintenance ............. 435
Door courtesy lights
Location ..................................................... 411
Wattage ................................................. 570
Door lock
Doors......................................................... 136
Smart entry & start system ............. 149
Wireless remote control ................. 130D
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Page 595 of 612

595Alphabetical index
IS300h_EE(OM53C61E)
If you have a flat tire ............. 526, 540
If you think something
is wrong...............................................502
If your vehicle becomes stuck.... 556
If your vehicle has to be
stopped in an emergency..........495
If your vehicle needs to
be towed.............................................496
If your vehicle overheats ................552
Emergency brake signal .................... 287
Emergency flashers ............................. 494
Emergency tire puncture
repair kit ................................................ 526
Energy monitor......................................... 121
Engine........................................................ 562
ACCESSORY mode ...................... 210
Compartment...................................... 439
Engine switch.......................................209
Hood ........................................................ 437
How to start the hybrid
system ..................................................209
Identification number ........................ 561
Ignition switch
(power switch).................................209
Overheating .........................................552
Power switch .......................................209Engine coolant....................................... 444
Capacity................................................. 565
Checking ............................................... 444
Preparing and checking
before winter........................................ 311
Engine coolant temperature
gauge ...................................................... 109
Engine oil ................................................. 440
Capacity................................................. 563
Checking ............................................... 440
Preparing and checking
before winter........................................ 311
Engine switch ......................................... 209
EPS (Electric Power Steering) ....... 286
Function.................................................. 286
Warning light....................................... 504
EV drive mode......................................... 214
EV indicator ............................................... 117
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Page 598 of 612

598Alphabetical index
IS300h_EE(OM53C61E)
Hooks
Cargo hooks.......................................... 417
Coat hooks ........................................... 424
Retaining hooks (floor mat)............. 34
Horn ............................................................. 177
Hybrid battery (traction battery).......83
Hybrid battery (traction battery)
air vents..................................................... 84
Hybrid system ........................................... 79
Emergency shut off system.............. 84
Energy monitor/
consumption screen.........................121
EV drive mode ..................................... 214
High voltage components ............... 83
Hybrid System Indicator ................... 113
Hybrid system precautions.............. 83
Hybrid vehicle driving tips ........... 309
If the hybrid system
will not start .........................................541
Overheating .........................................552
Power (ignition) switch ...................209
Starting the hybrid system.............209Hybrid System Indicator ...................... 113
Hybrid transmission ..............................216
If the shift lever cannot be
shifted from P................................... 543
Paddle shift switches.......................... 218
S mode ..................................................... 219
Identification
Engine ....................................................... 561
Vehicle...................................................... 561
Ignition switch (power switch) ........ 209
Illuminated entry system ...................... 412
Immobilizer system ................................. 90
Indicators .................................................. 106
Initialization
Moon roof ...............................................189
Multi-information display................... 117
Power windows ...................................185
Tire pressure warning
system.................................................... 451
I
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Page 602 of 612

602Alphabetical index
IS300h_EE(OM53C61E)
Odometer................................................. 109
Oil
Differential oil ....................................... 567
Engine oil ...............................................563
Opener
Hood ........................................................ 437
Trunk ..........................................................143
Outer foot lights
Location..................................................... 411
Replacing light bulbs....................... 486
Wattage..................................................570
Outside rear view mirrors .................180
Adjusting and folding........................ 180
BSM (Blind Sport Monitor)..........299
Linked mirror function
when reversing................................. 182
Mirror position memory.................. 168
Outside rear view mirror
defoggers ..........................................404
Outside temperature ........................... 109
Overheating ...........................................552Paddle shift switches .............................218
Parking assist sensors..........................267
Parking brake......................................... 224
PCS
(Pre-Crash Safety system)............ 292
Function...................................................292
PCS OFF switch................................ 293
Warning light....................................... 504
Personal lights.......................................... 412
Wattage ................................................. 570
Pollen removal mode.......................... 404
Pop-up display.......................................... 117
Pop Up Hood............................................ 56
Power control unit .................................. 83
Power control unit coolant ............... 444
Capacity................................................. 565
Checking ............................................... 444
Preparing and checking before
winter ....................................................... 311
OP
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