2017 Lexus ES350 check engine

520
ES350_OM_OM33C68U_(U)9-1. Spec
ifications
Cooling system
Capacity 9.7 qt. (9.2 L, 8.1 Imp.qt.)
Coolant type
Use either of the following:
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based non-sili-cate, non-amine, non-nitrite, and non-borate cool-
ant with long-life hybrid organic acid technology
Do not use plain water alone.
Ignition system
Spark plug
MakeDENSO FK20HR11
Gap0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
Battery
Open voltage at 68 °F
(20 °C):12.3 V or higher
(Voltage is checked 20 minutes after the engine and all
lights are turned off.)
Charging rates5 A max.

560What to do if... (Troubleshooting)
ES350_OM_OM33C68U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be made
by your Lexus dealer. ( →P. 9 3 )
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( →P. 9 4 )
●Is the electronic key battery weak or depleted? ( →P. 4 5 7 )
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( →P. 1 5 5 )
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
( → P. 1 1 0 )
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
(→ P. 9 8 )
●The function to prevent the electronic 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. 1 0 3 )
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 rear door cannot be opened
The trunk lid is closed with the electronic key left inside

562What to do if... (Troubleshooting)
ES350_OM_OM33C68U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( →P. 4 8 3 )
●The parking brake indicator is on
Is the parking brake released? ( →P. 1 6 4 )
Depending on the situation, other type s of warning buzzer may also sound.
( → P. 482, 488)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( →P. 6 7 )
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
●Is the electronic key left inside th e vehicle or the moon roof opened?
Check the message on the multi-information display. ( →P. 4 8 8 )
●When a warning light turns on or a warning message is displayed, refer to
P. 482, 488.
●Stop the vehicle in a safe place and replace the flat tire with the spare tire.
(→ P. 4 9 1 )
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
(→ P. 5 1 3 )
A warning buzzer sounds during driving
An alarm is activate
d and the horn sounds
A warning buzzer sounds wh en 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

568Alphabetical index
ES350_OM_OM33C68U_(U)
EngineAccessory mode................................. 155
Compartment ....................................... 431
Engine switch ........................................ 154
Hood ........................................................ 429
How to start the engine ................... 154
Identification number ........................ 517
If the engine will not start............... 502
Ignition switch (engine switch)..... 154
Overheating .......................................... 510
Engine compartment cover ............. 432
Engine coolant Capacity ................................................ 520
Checking................................................436
Preparing and checking before winter ....................................263
Engine coolant temperature gauge .........................................................76
Engine immobilizer system ................. 65
Engine oil Capacity .................................................. 518
Checking................................................433
Preparing and checking before winter ....................................263
Enhanced VSC ..................................... 258
EPS (Electronic Power Steering)Function ..................................................259
Warning light ...................................... 483
Event data recorder (EDR) ...................10 Flat tire ........................................................ 491
Floor mats....................................................26
Fluid
Automatic transmission ....................521
Brake.......................................................... 521
Washer ..................................................... 441
Fog lights
Switch ........................................................ 172
Footwell light...........................................379
Front passenger occupant classification system ............................44
Front personal lights ........................... 380
Front seats Adjustment............................................... 116
Cleaning................................................... 417
Correct driving posture .................... 28
Driving position memory................... 117
Head restraints .......................................121
Power easy access system ............... 117
Seat heaters .......................................... 378
Seat position memory .........................117
Seat ventilators.................................... 378
Front side marker lights
Light switch.............................................165
Replacing light bulbs ....................... 467
Wattage ................................................. 524
Front turn signal lights
Replacing light bulbs ....................... 465
Turn signal lever ...................................163
Wattage ................................................. 524F