2017 TOYOTA 4RUNNER engine

4137-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B37U)
CAUTION
Observe the following precautions.
Failure to do so may result in death or serious injury.
■When towing the vehicle
■ While towing
● When towing using cables or chains, avoid sudden starts, etc. which place
excessive stress on the towing eyelets, cables or chains. The towing eye-
lets, cables or chains may become damaged, broken debris may hit peo-
ple, and cause serious damage.
● Vehicles without a smart key system: Do not turn the engine switch to the
“LOCK” position.
There is a possibility that the steering wheel is locked and cannot be oper-
ated.
● Vehicles with a smart key system: Do not turn the engine switch off.
There is a possibility that the steering wheel is locked and cannot be oper-
ated.
2WD models: Be sure to transport the vehi-
cle with all four wheels raised off the
ground. If the vehicle is towed with the tires
contacting the ground, the drivetrain and
related parts may be damaged or an acci-
dent may occur due to a change in direc-
tion of the vehicle.
4WD models: Be sure to transport the vehi-
cle with all four wheels raised off the
ground. If the vehicle is towed with the tires
contacting the ground, the drivetrain or
related parts may be damaged, the vehicle
may fly off the truck.

4147-2. Steps to take in an emergency
4RUNNER (U)_(OM35B37U)
NOTICE
■To prevent damage to the vehicle when towing using a wheel-lift type
truck
● 2WD models without a smart key system: Do not tow the vehicle from the
rear when the engine switch is in the “LOCK” position or the key is
removed. The steering lock mechanism is not strong enough to hold the
front wheels straight.
● 2WD models with a smart key system: Do not tow the vehicle from the rear
when the engine switch is off. The steering lock mechanism is not strong
enough to hold the front wheels straight.
● When raising the vehicle, ensure adequate ground clearance for towing at
the opposite end of the raised vehicle. Without adequate clearance, the
vehicle could be damaged while being towed.
■ To prevent damage to the vehicle wh en towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
■ To prevent damage to the vehic le during emergency towing
Do not secure cables or chains to the suspension components.

4157-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B37U)
●Fluid leaks under the vehicle.
(Water dripping from the air co nditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temperature gauge needle continually points higher
than normal.
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
● Engine missing, stumbling or running roughly
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, spon gy feeling, pedal almost touches
the floor
If you think something is wrong
If you notice any of the follow ing symptoms, your vehicle proba-
bly needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

4167-2. Steps to take in an emergency
4RUNNER (U)_(OM35B37U)
Follow the procedure below to restart the engine after the system is
activated.
Vehicles without a smart key system
Turn the engine switch to the “ACC” or “LOCK” position.
Restart the engine.
Vehicles with a smart key system
Turn the engine switch to ACCESSORY mode or turn it off.
Restart the engine.
Fuel pump shut off system
To minimize the risk of fuel leakage when the engine stalls or
when an airbag inflates upon collision, the fuel pump shut off
system stops the supply of fuel to the engine.
NOTICE
■ Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked onto the ground, the fuel system has been
damaged and is in need of repair. Do not restart the engine.
1
2
1
2

4177-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B37U)
If a warning light turns on or a warning
buzzer sounds
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your Toyota dealer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer)*1
• Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released the system is operating normally.
→ Immediately stop the vehicle in a safe place and
contact your Toyota dealer. Continuing to drive
the vehicle may be dangerous.
Charging system warning light
Indicates a malfunction in the vehicle’s charging sys-
tem
→ Immediately stop the vehicle in a safe place and
contact your Toyota dealer.
Low engine oil pressure warning light
Indicates that the engine oil pressure is too low
→ Immediately stop the vehicle in a safe place and
contact your Toyota dealer.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The emission control system;
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control sys-tem
→ Have the vehicle inspected by your Toyota dealer
immediately.

4217-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B37U)
*1: Parking brake engaged warning buzzer:A buzzer will sound if the vehicle is driven at a speed of approximately \
3
mph (5 km/h) or more.
*2: Open door warning buzzer:The open door warning buzzer sounds to alert one or more of the doors is
not fully closed (with the vehicle having reached a speed of 3 mph [5 km/h]).
*3: Driver’s and front passenger’s seat belt buzzer:The driver’s and front passenger’s seat belt buzzer sounds to alert the
driver and front passenger that
his or her seat belt is not fastened. The
buzzer sounds intermittently for 10 seconds after the vehicle reaches a
speed of 12 mph (20 km/h). Then, if the seat belt is still unfastened, the
buzzer will sound in a different tone for 20 more seconds.
■ SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (rear), safing
sensor (rear), driver's seat belt buckle switch, front passenger occupant clas-
sification system (ECU and sensors) , “AIR BAG ON” and “AIR BAG OFF”
indicator lights, front passenger's seat belt buckle switch, seat belt p\
reten-
sioners, airbags, interconnecting wiring and power sources. (→P. 3 5 )
■ Key reminder buzzer (vehicles without a smart key system)
The buzzer indicates that the key has not been removed with the engine off
and the driver’s door opened.
■ Open moon roof reminder buzzer (if equipped)
The buzzer indicates that the moon roof is not fully closed with the engine off
and the driver’s door opened.
■ Front passenger detection sensor, passenger seat belt reminder and
warning buzzer
● If luggage is placed on the front passenger seat, the front passenger de\
tec-
tion sensor may cause the warning light to flash and the warning buzzer to
sound even if a passenger is not sitting in the seat.
● If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.
■ If the malfunction indicator la mp comes on while driving
First check the following:
● Is the fuel tank empty?
If it is, fill the fuel tank immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.

4237-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B37U)■
If the tire pressure warning system is not functioning
The tire pressure warning system will be disabled in the following condi-
tions:
(When the condition be
comes normal, the system will work properly.)
●If tires not equipped with tire pressure warning valves and transmitters
are used
●If the ID code on the tire pressure warning valves and transmitters is not
registered in the tire pressure warning computer
●If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or
higher
The tire pressure warning system may be disabled in the following condi-
tions:
(When the condition be comes normal, the system will work properly.)
●If electronic devices or facilities using similar radio wave frequencies are
nearby
●If a radio set at a similar frequency is in use in the vehicle
●If a window tint that affects the radio wave signals is installed
●If there is a lot of snow or ice on the vehicle, particularly around the
wheels or wheel housings
●If non-genuine Toyota wheels are us ed (Even if you use Toyota wheels,
the tire pressure warning system may not work properly with some types
of tires.)
●If tire chains are used
●Vehicles with P245/60R20 tires: If the spare tire is in a location subject
to poor radio wave signal reception
●Vehicles with P245/60R20 tires: If a large metallic object which can
interfere with signal reception is put in the luggage compartment
■If the tire pressure warning light frequently comes on after blinking
for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1
minute when the engine switch is turned on, have it checked by your
Toyota dealer.
■ Customization that can be co nfigured at Toyota dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features →P. 489) However, Toyota recommends that the seat
belt reminder buzzer be operational to alert the driver and front passenger
when seat belts are not fastened.

4277-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B37U)
Indicates a malfunction in the intuitive parking
assist-sensorThe site of the malfunction flashes and stays
on.
A buzzer will sound for several seconds and
this warning message will disappear after sev-
eral seconds.
If the engine switch is turned to a mode other
than IGNITION ON mode and then back to
IGNITION ON mode, the buzzer will sound and
this message will be displayed again.
→ Have the vehicle inspect ed by your Toyota
dealer.
Indicates that one or more of the doors is not fully
closed
If the vehicle reaches a speed of 3 mph (5 km/h), flashes and a buzzer sounds to indicate
that the door(s) are not yet fully closed.
→ Make sure that all the doors are closed.
Indicates that the back door is not fully closed
If the vehicle reaches a speed of 3 mph (5 km/h), flashes and a buzzer sounds to indicate
that the back door is not yet fully closed.
→ Close the back door.
Indicates that the moon roof is not fully closed
(with the engine switch off, and the driver's door
open)
A buzzer also sounds.
→ Close the moon roof.
Indicates that the parking brake is still engaged
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate
that the parking brake is still engaged.
→ Release the parking brake.
Indicates that the washer fluid level is low.
→Add washer fluid.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)