belt TOYOTA HIGHLANDER 2018 (in English) Repair Manual

5157-3. Do-it-yourself maintenance
7
Maintenance and care
HIGHLANDER_U (OM0E031U)
WARNING
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions.
■When working on the engine compartment
● Keep hands, clothing and tools away from the moving fans and en gine
drive belt.
● Be careful not to touch the engine, radiator, exhaust manifold, etc. right
after driving as they may be hot. Oil and other fluids may also be hot.
● Do not leave anything that may burn easily, such as paper and r ags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel or t he bat-
tery. Fuel and battery fumes are flammable.
● Be extremely cautious when working on the battery. It contains poisonous
and corrosive sulfuric acid.
■ When working near the electric cooling fans or radiator grille
Vehicles without a smart key system:
Be sure the engine switch is off.
With the engine switch in the “ON” position, the electric cooli ng fans may
automatically start to run if the air conditioning is on and/or the coolant tem-
perature is high. ( P. 525)
Vehicles with a smart key system:
Be sure the engine switch is off.
With the engine switch in IGNITION ON mode, the electric cooling fans may
automatically start to run if the air conditioning is on and/or the coolant tem-
perature is high. ( P. 525)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc.
from getting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air.

5407-3. Do-it-yourself maintenance
HIGHLANDER_U (OM0E031U)
NOTE:
Operation is subject to the following two conditions: (1) this device may
not cause interference, and (2) this device must accept any int erference,
including interference that may cause undesired operation of th e device.
NOTE:
L’utilisation de ce dispositif es t autorisée seulement aux deux conditions
suivantes : (1) il ne doit pas produire de brouillage, et (2) l’utilisateur du
dispositif doit être prêt à a ccepter tout brouillage radioélect rique reçu,
même si ce brouillage est sus ceptible de compromettre le
fonctionnement du dispositif.
WARNING
■When inspecting or replacing tires
Observe the following precaut ions to prevent accidents.
Failure to do so may cause damage to parts of the drive train as well as
dangerous handling characteristics, which may lead to an accide nt
resulting in death o r serious injury.
●Do not mix tires of different ma kes, models or tread patterns.
Also, do not mix tires of re markably different treadwear.
●Do not use tire sizes other th an those recommended by Toyota.
●Do not mix differently constructed tires (radial, bias-belted o r bias-ply
tires).
●Do not mix summer, all season and snow tires.
●Vehicles with a compact spare tire: Do not tow if your vehicle has a
compact spare tire installed.
■When initializing the tire pressure warning system
Do not operate the tire pressure warning reset switch without first
adjusting the tire inflation pressure to the specified level. O therwise, the
tire pressure warning light may not come on even if the tire in flation
pressure is low, or it may come on when the tire inflation pres sure is
actually normal.

5818-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM0E031U)
If a warning light turns on or a war ning
buzzer sounds
Calmly perform the following actions if any of the warning ligh ts
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 w arning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning li ght (warning buzzer)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer. Continuing to drive the vehi-
cle may be dangerous.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system.
 Have the vehicle inspected by your Toyota dealer
immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
 Have the vehicle inspected by your Toyota dealer
immediately.
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
• The ABS; or
• The brake assist system
 Have the vehicle inspected by your Toyota dealer
immediately.

5828-2. Steps to take in an emergency
HIGHLANDER_U (OM0E031U)
(U.S.A.)
(Canada)Parking brake warning light (warning buzzer)*2
Indicates that the parking brake is engaged
 Release the parking brake.
Electric power steering system warning light (warning
buzzer)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
 Have the vehicle inspected by your Toyota dealer
immediately.
Slip indicator
Indicates a malfunction in:
• The VSC (Vehicle Stability Control) system;
• The TRAC (Traction Control) system;
• The Trailer Sway Control;
• The hill-start assist control system; or
• The downhill assist control system
*3
The light will flash when the VSC, TRAC or Trailer Sway
Control
system is operating.
 Have the vehicle inspected by your Toyota dealer
immediately.
Low fuel level warning light
Indicates that remaining fuel is approximately 2.9 gal.
(10.7 L, 2.4 Imp. gal.) or less
 Refuel the vehicle.
Driver’s and front passenger’ s seat belt reminder light
(warning buzzer)
*4
Warns the driver and/or front passenger to fasten their
seat belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front
passenger’s seat belt also needs to be fastened to
make the warning light (warning buzzer) turn off.
Rear seat seat belt remind er lights (warning buzzer)*5
Warns the second and/or third seat passengers to fasten
their seat belts. An indicator corresponding to an unfas-
tened second or third seat seat belt will illuminate.
 Fasten the seat belt.
Warning lightWarning light/Details/Actions

5858-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM0E031U)
*1: Brake system warning buzzer: When there is a possible problem that could
affect braking performance, the warning light will come on and a warning
buzzer will sound.
*2: Parking brake engaged warning buzzer: P. 594
*3: If equipped
*4: Driver’s seat belt buzzer:
Vehicles without a smart key system: The driver’s seat belt buzzer sounds
to alert the driver that his or her seat belt is not fastened. Once the engine
switch is turned to the “ON” position, the buzzer sounds for 6 seconds. If
the vehicle reaches a speed of 12 mph (20 km/h), the buzzer sounds once.
If the seat belt is still unfastened after 24 seconds, the buzzer will sound
intermittently for 6 seconds. Then, if the seat belt is still unfastened, the
buzzer will sound in a different tone for 90 more seconds.
Vehicles with a smart key system: The driver’s seat belt buzzer sounds to
alert the driver that his or her seat belt is not fastened. Onc e the engine
switch is turned to IGNITION ON mode, the buzzer sounds for 6 s econds.
If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer sounds
once. If the seat belt is still unfastened after 24 seconds, th e buzzer will
sound intermittently for 6 seconds. Then, if the seat belt is s till unfastened,
the buzzer will sound in a different tone for 90 more seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer sounds to alert the fron t passenger
that his or her seat belt is not fastened. The buzzer sounds on ce if the
vehicle reaches a speed of 12 mph (20 km/h). If the seat belt i s still unfas-
tened after 24 seconds, the buzzer will sound intermittently fo r 6 seconds.
Then, if the seat belt is still unfastened, the buzzer will sou nd in a different
tone for 90 more seconds.
*5: Rear seat seat belt buzzer:
The second and third passenger’s seat belt buzzer sounds to ale rt the sec-
ond and third passengers that his or her seat belt is not faste ned. The
buzzer sounds for 6 seconds after the vehicle reaches a speed o f 12 mph
(20 km/h). Then, if the seat belt is still unfastened, the buzz er will sound in
a different tone for 24 more seconds.

5868-2. Steps to take in an emergency
HIGHLANDER_U (OM0E031U)■
SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (rear), driver’s
seat position sensor, driver’s seat belt buckle switch, front passenger occu-
pant classification system (ECU and sensors), “AIR BAG ON” indi cator light,
“AIR BAG OFF” indicator light, front passenger’s seat belt buck le switch,
driver’s seat belt pretensioner, front passenger’s seat belt pr etensioner and
force limiter, airbags, interconnecting wiring and power source s. (P. 42)
■ Front passenger detection sensor, seat belt reminder and warnin g
buzzer
If luggage is placed on the front passenger seat, the front passenger detec-
tion sensor may cause the warning light to flash and the warnin g buzzer to
sound even if a passenger is not sitting in the seat.
■ If the malfunction indicator lamp 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.
■ Electric power steering system wa rning light (warning buzzer)
When the battery charge becomes insufficient or the voltage tem porarily
drops, the electric power steering system warning light may com e on and the
warning buzzer may sound.
■
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Push-
ing the tire pressur e warning reset switch will not turn off the tire pressure
warning light.
■The tire pressure warning light may come on due to natural caus es
The tire pressure warning light may come on due to natural caus es such
as natural air leaks and tire inflation pressure changes caused by tem-
perature. In this case, adjusting the tire inflation pressure w ill turn off the
warning light (afte r a few minutes).

5878-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM0E031U)■
When a tire is replace
d with a spare tire
Vehicles with a compact spare tire
The compact spare tire is not equipped with a tire pressure war ning valve
and transmitter. If a tire goes flat, the tire pressure warning light will not
turn off even though the flat tire has been replaced with the s pare tire.
Replace the spare tire with the repaired tire and adjust the ti re inflation
pressure. The tire pressure war ning light will go off after a few minutes.
Vehicles with a full-size spare tire
The spare tire is also equipped with the tire pressure warning valve and
transmitter. The tire pressure warning light will turn on if the tire inflation
pressure of the spare tire is low. If a tire goes flat, even th ough the flat tire
is replaced with the spare tire, the tire pressure warning light does not
turn off. Replace the spare tire with the repaired tire and adj ust to the
proper tire inflation pressure. The tire pressure warning light will turn off
after a few minutes.
■Conditions that the tire pressure warning system may not functi on
properly
 P. 5 3 7
■If the tire pressure warning light frequently comes on after bl inking
for 1 minute
If the tire pressure warning light frequently comes on after bl inking for 1
minute when the engine switch is turned on, have it checked by your
Toyota dealer.
■ Customization that can be configured at Toyota dealer
The vehicle speed linked seat belt reminder buzzer can be disab led.
(Customizable features P. 690) However, Toyota recommends that the seat
belt reminder buzzer be operational to alert the driver and fro nt passenger
when seat belts are not fastened.
■ Warning buzzer
In some cases, the buzzer may not be heard because of noisy pla ce or an
audio sound.

6438-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM0E031U)
WARNING
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally ignit ing the flam-
mable gas that may be emitted from the battery:
● Make sure each jumper cable is connected to the correct terminal and that
it is not unintentionally in contact with any other than the in tended terminal.
● Do not allow the other end of the jumper cable connected to the “+” termi-
nal to come into contact with any other parts or metal surfaces in the area,
such as brackets or unpainted metal.
● Do not allow the + and - clamps of the jumper cables to come in to contact
with each other.
● Do not smoke, use matches, cigarette lighters or allow open fla me near
the battery.
■ Battery precautions
The battery contains poisonous and corrosive acidic electrolyte , while
related parts contain lead and lead compounds. Observe the foll owing pre-
cautions when handling the battery:
● When working with the battery, always wear safety glasses and t ake care
not to allow any battery fluids (acid) to come into contact wit h skin, clothing
or the vehicle body.
● Do not lean over the battery.
● In the event that battery fluid comes into contact with the skin or eyes,
immediately wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medica l attention
can be received.
● Always wash your hands after handling the battery support, term inals, and
other battery-related parts.
● Do not allow children near the battery.
NOTICE
■When handling jumper cables
When connecting the jumper cables, ensure that they do not beco me entan-
gled in the cooling fans or engine drive belt.

6458-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM0E031U)
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and turn the air conditioning system on to check
that the radiator cooling fans operate and to check for coolant leaks
from the radiator or hoses.
The fans operate when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fans are operating b y checking the
fan sound and air flow. If it is difficult to check these, turn the air condition-
ing system on and off repeatedly. (The fans may not operate in freezing
temperatures.)
If the fans are not operating:
Stop the engine immediately and contact your Toyota dealer.
If the fans are operating:
Have the vehicle ins pected at the nearest Toyota dealer.
5
WARNING
■When inspecting under th e hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
● If steam is seen coming from under the hood, do not open the ho od until
the steam has subsided. The engine compartment may be very hot.
● Keep hands and clothing (especially a tie, a scarf or a muffler ) away from
the fans and belts.
● Do not loosen the radiator cap and the coolant reservoir cap wh ile the
engine and radiator are hot.
6
7

6539-1. Specifications
9
Vehicle specifications
HIGHLANDER_U (OM0E031U)
Engine
Model1AR-FE2GR-FKS
Ty p e 4-cylinder in line,
4-cycle, gasoline6-cylinder V type,
4-cycle, gasoline
Bore and stroke
3.54 
4.13 in.
(90.0  105.0 mm) 3.70 
3.27 in.
(94.0  83.0 mm)
Displacement 163.1 cu. in.
(2672 cm3)210.9 cu. in.

(3456 cm3)
Valve clearance
Automatic adjustment
Drive belt tension
Fuel
Fuel typeUnleaded gasoline only
Octane rating87 (Research Octane Number 91) or higher
Fuel tank capacity
(Reference)19.2 gal. (72.5 L, 15.9 Imp. gal.)