2017 TOYOTA 4RUNNER check engine light

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4RUNNER (U)_(OM35B37U)6-1. Maintenance and care
Cleaning and protecting the vehicle exterior .......... 338
Cleaning and protecting the vehicle interior ........... 341
6-2. Maintenance Maintenance requirements ................... 344
General maintenance ........ 346
Emission inspection and maintenance (I/M)
programs ......................... 349
6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ..................... 350
Hood.................................. 353
Engine compartment ......... 354
Tires .................................. 369
Tire inflation pressure........ 375
Wheels .............................. 378
Air conditioning filter .......... 381
Wireless remote control/ electronic key
battery ............................. 383
Checking and replacing fuses ............................... 386
Light bulbs ......................... 389 7-1. Essential information
Emergency flashers ........... 406
If your vehicle has to be stopped in an
emergency....................... 407
7-2. Steps to take in an emergency
If your vehicle needs to be towed .......................... 409
If you think something is wrong............................... 415
Fuel pump shut off system ............................. 416
If a warning light turns on or a warning buzzer
sounds ............................. 417
If a warning message or indicator is displayed ....... 426
If you have a flat tire .......... 433
If the engine will not start ................................. 448
If you cannot operate back door opener ............ 450
If the electronic key does not operate properly ........ 451
If the vehicle battery is discharged ....................... 453
If your vehicle overheats.... 457
If the vehicle becomes stuck ................................ 460
6Maintenance and care7When trouble arises

15Pictorial index
4RUNNER (U)_(OM35B37U)
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 369
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . P. 472
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 272
Checking/rotation/tire pressure warning system . . . . . . . . . P. 369
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 433
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 353
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 353
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 465
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 457
Headlights/daytime running lights . . . . . . . . . . . . . . . . . . . . P. 208
Front side marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 208
Front turn signal/parking lights . . . . . . . . . . . . . . . . . . . . . . P. 208
Fog lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 206
Stop/tail lights/rear side marker lights . . . . . . . . . . . . . . . . P. 208
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 208
Back-up lights
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 201
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Light bulbs of the exterior lights for driving
(Replacing method: P. 389, Wattages: P. 473)
*: Vehicles with a smart key system
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691-1. For safe use
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For safety and security
4RUNNER (U)_(OM35B37U)
Exhaust gas precautions
Harmful substance to the human body is included in exhaust
gases if inhale.
CAUTION
Exhaust gases include harmful carbon monoxide (CO), which is colorless and
odorless. Observe the following precautions.
Failure to do so may cause exhaust gases enter the vehicle and may lead to
an accident caused by light-headedness, or may lead to death or a serious
health hazard.
■Important points while driving
● Keep the back door closed.
● If you smell exhaust gases in the vehicle even when the back door is
closed, open the windows and have the vehicle inspected at your Toyota
dealer as soon as possible.
■ When parking
● If the vehicle is in a poorly ventilated area or a closed area, such as a
garage, stop the engine.
● Do not leave the vehicle with the engine on for a long time.
If such a situation cannot be avoided, park the vehicle in an open space
and ensure that exhaust fumes do not enter the vehicle interior.
● Do not leave the engine running in an area with snow build-up, or where it
is snowing. If snowbanks build up around the vehicle while the engine is
running, exhaust gases may collect and enter the vehicle.
■ Exhaust pipe
The exhaust system needs to be checked periodically. If there is a hole or
crack caused by corrosion, damage to a joint or abnormal exhaust noise, be
sure to have the vehicle inspected and repaired by your Toyota dealer.

782. Instrument cluster
4RUNNER (U)_(OM35B37U)
*1: These lights turn on when the engine switch is turned to IGNITION ONmode (vehicles with a smart key system) or the engine switch is turned to
the “ON” position (vehicles without a smart key system) to indicate that a
system check is being performed. They will turn off after the engine is
started, or after a few seconds. There may be a malfunction in a system if
the lights do not come on, or do not turn off. Have the vehicle inspected by
your Toyota dealer.
*2: The light flashes to indicate a malfunction.
*3: The light flashes rapidly to indicate a malfunction.
*4: The light flashes continuously to indicate a malfunction.
Open door warning light
(→P. 419)*1Master warning light
(→P. 426)
Low fuel level warning
light ( →P. 419)*1Tire pressure warning
light (→P. 420)
Seat belt reminder light
(→P. 420)
(if equipped)
Unengaged “Park” warn-
ing light ( →P. 419)
*1
Low engine oil pressure
warning light ( →P. 417)*1
(if equipped)
KDSS warning light
(→P. 419)
*1
Power steering warning
light ( →P. 419)*1, 2
(if equipped)
Automatic running
boards indicator light
(→P. 419)

802. Instrument cluster
4RUNNER (U)_(OM35B37U)
*1: These lights turn on when the engine switch is turned to the “ON” position(vehicles without a smart key system) or the engine switch is turned to
IGNITION ON mode (vehicles with a smart key system) to indicate that a
system check is being performed. They will turn off after the engine is
started, or after a few seconds. There may be a malfunction in a system if
the lights do not come on, or do not turn off. Have the vehicle inspected by
your Toyota dealer.
*2: The light flashes to indicate that the system is operating.
*3: The light does not turn on when the system is disabled.
*4: This light illuminates on the center panel.
(if equipped)
“A-TRAC” indicator
(→P. 243)*1
(if equipped)
Crawl Control indicator
(→P. 253)
*1
(if equipped)
“AUTO LSD” indicator
(→P. 245)*1, 2
(if equipped)
Automatic running
boards indicator
(→P. 112)
(if equipped)
Multi-terrain Select indi-
cator (→P. 256)
CAUTION
■ If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS warning light not
come on when you start the engine, this could mean that these systems are
not available to help protect you in an accident, which could result in death
or serious injury. Have the vehicle inspected by your Toyota dealer immedi-
ately if this occurs.

822. Instrument cluster
4RUNNER (U)_(OM35B37U)
The brightness of the instrument panel lights can be adjusted.
Brighter
Darker
■ The meters and display illuminate when
Vehicles without a smart key system
The engine switch is in the “ON” position.
Vehicles with a smart key system
The engine switch is in IGNITION ON mode.
■ The brightness of the instrument panel lights
When the headlight switch is turned to on, the brightness will be reduced
slightly unless the control dial is turned fully upward.
Instrument panel light control
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NOTICE
■To prevent damage to the engine and its components
● Do not let the indicator needle of the tachometer enter the red zone, which
indicates the maximum engine speed.
● The engine may be overheating if the engine coolant temperature gauge is
in the red zone (H). In this case, immediately stop the vehicle in a safe
place, and check the engine after it has cooled completely. (→ P. 457)

1093-2. Opening, closing and locking the doors
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Operation of each component
4RUNNER (U)_(OM35B37U)■
Note for locking the doors
●Touching the door lock sensor while wearing gloves may delay or prevent
lock operation. Remove the gloves and touch the lock sensor again.
● When the lock operation is performed using the lock sensor, recognition sig-
nals will be shown up to two consecutive times. After this, no recognition
signals will be given.
● If the door handle becomes wet while the electronic key is within the effec-
tive range, the door may lock and unlock repeatedly. Place the electronic
key in a location 6 ft. (2 m) or more away from the vehicle while the vehicle
is being washed. (Take care to ensure that the key is not stolen.)
● If the electronic key is inside the vehicle and a door handle becomes wet
during a car wash, a buzzer will sound outside the vehicle. To turn off the
alarm, lock all the doors.
● The lock sensor may not work properly if it comes into contact with ice,
snow, mud, etc. Clean the lock sensor and attempt to operate it again, or
use the lock sensor on the lower part of the door handle.
● Fingernails may scrape against the door during operation of the door han-
dle. Be careful not to injure fingernails or damage the surface of the door.
■ Note for the unlocking function
●Gripping the door handle when wearing a glove may not unlock the door.
● A sudden approach to the effective range or door handle may prevent the
doors from being unlocked. In this case, return the door handle to the origi-
nal position and check that the doors unlock before pulling the door handle
again.
● If there is another electronic key in the detection area, it may take slightly
longer to unlock the doors after the door handle is gripped.
■ When the vehicle is not driven for extended periods
To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m)
of the vehicle.
■ To operate the system properly
●Make sure to carry the electronic key when operating the system. Do not get
the electronic key too close to the vehicle when operating the system from
the outside of the vehicle.
● Depending on the position and holding condition of the electronic key, the
key may not be detected correctly and the system may not operate properly.
(The alarm may go off accidentally, or the door lock prevention function may
not operate.)
■ If the smart key system do es not operate properly
● Locking and unlocking the doors: Use the mechanical key. ( →P. 451)
● Starting the engine: →P. 452
■ Customization
Settings (e. g. operation signal) can be changed.
(Customizable features: →P. 489)

1133-2. Opening, closing and locking the doors
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Operation of each component
4RUNNER (U)_(OM35B37U)
■Jam protection function
During Automatic running boards operation:
If a board contacts an obstacle when extending, it will retract. If an obstacle
gets caught between a board and the vehicle when retracting, the board will
extend.
If an obstacle is detected 3 times in a row during Automatic running boards
operation, the board will stop at the position it contacts the obstacle. When a
side door on the same side as the board is opened and closed one more
time, the board will extend and retract, or retract and extend. After this, the
board will resume normal operation.
■ Automatic retraction function
The boards will be automatically retracted, for safety, under the following con-
ditions:
●A board is not completely retracted
● Vehicle speed is approximately 5 mph (8 km/h) or higher
The boards will not automatically extend again when vehicle speed returns to
less than 5 mph (8 km/h).
■ If the Automatic running boards indicator comes on when driving first
commences
A board has not completely retracted. Check that nothing is caught between
the board and the vehicle.
Additionally, if the engine is started immediately after a door has been closed,
the automatic running board may not retract completely and the automatic
running boards indicator may illuminate. In this case, open and close the door
to retract the running board and turn off the indicator.
■ If the Automatic running boa rds indicator light flashes
There may be a malfunction in the Automatic running boards system. Have
the vehicle inspected by your Toyota dealer immediately.
■ When snow or mud is attached to the board or the board is frozen
The Automatic running boards may not operate correctly. Before stepping on
a board, check that it is completely extended. If the Automatic running boards
are not operating correctly, turn the Automatic running boards switch off and
refrain from use.
When removing snow or mud, turn the Automatic running boards switch off.
■ After recharging/reco nnecting the battery
If the Automatic running boards have not completely extended or retracted,
the boards may not move in the intended direction the first time they are oper-
ated. However, from the second time onwards, the boards will resume normal
operation.
■ When getting in and out of the vehicle
Take care because clothes and shoes may become dirty due to contact with
the lower part of the vehicle body.