2017 TOYOTA HIGHLANDER HYBRID check engine

5147-3. Do-it-yourself maintenance
HIGHLANDER_HV_U (OM48F12U)
Check the radiator and condenser and clear away any foreign objects.
If any of the above parts is extremel y dirty or you are not sure of their
condition, have your vehicle in spected by your Toyota dealer.
WARNING
■When the hybrid system is hot
Do not remove the engine/power control unit coolant reservoir caps.
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.
NOTICE
■When adding coolant
Coolant is neither plain water nor stra ight antifreeze. The correct mixture of
water and antifreeze must be used to provide proper lubrication, corrosion
protection and cooling. Be sure to read the antifreeze or coolant label.
■ If you spill coolant
Be sure to wash it off with water to prevent it from damaging parts or paint.
Radiator and condenser
WARNING
■When the hybrid system is hot
Do not touch the radiator or condenser as they may be hot and cause seri\
-
ous injuries, such as burns.

5417-3. Do-it-yourself maintenance
7
Maintenance and care
HIGHLANDER_HV_U (OM48F12U)
Turn the power switch off.
Open the fuse box cover.
Engine compartment (type A fuse box)
Push the tab in and lift the lid off.
Engine compartment (type B fuse box)
Push the tab in and lift the lid off.
Engine compartment (type C fuse box)
Push the tab in and lift the lid off.
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as nec-
essary.
1
2

6348-2. Steps to take in an emergency
HIGHLANDER_HV_U (OM48F12U)
■Messages displays
The message illustrations used are intended as examples, and may differ
from the image that is actually displayed on the multi-information display.
WARNING
■When inspecting under the 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 hood until
the steam has subsided. The engine compartment may be very hot.
● After the hybrid system has been turned off, check that the “READY” indi-
cator are off.
When the hybrid system is operating, the gasoline engine may automati-
cally start, or the cooling fan may suddenly operate even if the gasoline
engine stops. Do not touch or approach rotating parts such as the fan,
which may lead to fingers or clothing (especially a tie, a scarf or a muffler)
getting caught, resulting in serious injury.
● Do not loosen the radiator cap and the coolant reservoir caps while the
hybrid system and radiator are hot.
High temperature steam or coolant could spray out.
NOTICE
■When adding engine/power control unit coolant
Add coolant slowly after the hybrid system has cooled down sufficiently.
Adding cool coolant to a hot hybrid system too quickly can cause damage to
the hybrid system.
■ To prevent damage to the cooling system
Observe the following precautions:
● Avoid contaminating the coolant with foreign matter (such as sand or dust
etc.).
● Do not use any coolant additive.

6429-1. Specifications
HIGHLANDER_HV_U (OM48F12U)
*: The engine oil capacity is a reference quantity to be used when changingthe 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 us ed in your Toyota vehicle. Use
Toyota approved “Toyota Genuine Motor Oil” or equivalent to satisfy
the following grade and viscosity.
Oil grade: ILSAC GF-5 multigrade engine oil
Lubrication system
Oil capacity
(Drain and refill ⎯ reference
*)
With filter 5.8 qt. (5.5 L, 4.8 Imp. qt.)
Without filter 5.6 qt. (5.3 L, 4.7 Imp. qt.)

6449-1. Specifications
HIGHLANDER_HV_U (OM48F12U)
Cooling system
Capacity (reference)
Gasoline engine
Power control unit14.3 qt. (13.5 L, 11.9 Imp. qt.)
2.0 qt. (1.9 L, 1.7 Imp. qt.)
Coolant typeUse 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
Spark plug
MakeDENSO FK20HBR8
Gap0.031 in. (0.8 mm)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
12-volt battery
Open voltage at 68 °F
(20° C): 12.0 V or More
If the voltage is lower than the standard value,
charge the battery.
(Voltage is checked 20 minutes after the hybrid
system and all lights are turned off.)
Charging rates5 A max.

704Alphabetical index
HIGHLANDER_HV_U (OM48F12U)
Engine coolant ......................... 513Capacity ................................ 644
Checking ............................... 513
Preparing and checking before winter....................... 337
Engine coolant temperature gauge...................................... 103
Engine oil ................................. 510
Capacity ................................ 642
Checking ............................... 510
Oil pressure warning message ............................. 585
Preparing and checking before winter....................... 337
Enhanced VSC ......................... 328
Entune Audio ........................... 349 Audio input ............................ 353
AUX port/USB port................ 353
CD player .............................. 367
iPod....................................... 373
MP3/WMA disc ..................... 367
Optimal use........................... 364
Portable music player ........... 381
Radio .................................... 365
Steering wheel audio
switch ................................. 352
USB memory ........................ 377
Entune Audio Plus
*
Entune Premium Audio*
EPS (Electric Power Steering)...... 329 Function ................................ 329
Warning light ......................... 568
EV drive mode.......................... 231
Event data recorder (EDR) ........ 11 Flat tire ..................................... 597
Floor mats .................................. 28
Fluid
Brake .................................... 645
Hybrid transmission .............. 645
Washer ................................. 516
Fog lights ................................. 249 Replacing light bulbs ............ 545
Switch ................................... 249
Wattage ................................ 649
Front automatic air
conditioning system ............. 434
Front door courtesy lights Location ................................ 447
Wattage ................................ 649
Front fog lights ........................ 249 Replacing light bulbs ............ 545
Switch ................................... 249
Wattage ................................ 649
Front passenger occupant
classification system .............. 54
Front personal lights............... 448 Wattage ................................ 649
Front seats ............................... 154 Adjustment............................ 154
Cleaning ............................... 494
Correct driving posture ........... 30
Head restraints ..................... 167
Seat heaters ......................... 445
Seat position memory ........... 163
Seat ventilators ..................... 445
F

709Alphabetical index
HIGHLANDER_HV_U (OM48F12U)
Noise from under vehicle............ 8
Odometer.................................. 103
OilEngine oil .............................. 642
Opener Back door.............................. 131
Fuel filler door ....................... 258
Glass hatch ........................... 142
Hood ..................................... 506
Outer foot lights....................... 447
Outside rear view mirrors ....... 175 Adjusting and folding ............ 175
BSM (Blind spot monitor) ...... 313
Mirror position memory ......... 163
Outside rear view mirror
defoggers ........................... 436
Outside temperature display .................................... 461
Overheating, Hybrid system ... 631 Panoramic moon roof ............. 185
Jam protection function ........ 187
Operation .............................. 185
Panoramic view monitor
*
Parking assist sensors (intuitive parking assist)
*
Parking brake........................... 240 Operation .............................. 240
Parking brake engaged
warning buzzer ................... 581
Parking brake engaged
warning light ....................... 568
Parking brake engaged warning message ............... 581
Parking lights........................... 241 Light switch ........................... 241
Replacing light bulbs ............ 545
Wattage ................................ 649
PCS (Pre-Collision System).......... 268
Pre-collision brake assist ...... 269
Pre-collision braking ............. 269
Pre-collision warning ............ 269
Warning light......................... 569
Personal lights......................... 448 Wattage ................................ 649
Power back door ..................... 130
Power control unit ..................... 85
Power control unit coolant ..... 513 Capacity................................ 644
Checking............................... 513
Preparing and checking before winter ...................... 337
N
O
P
*: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”