check engine light TOYOTA HILUX 2020 (in English) Owner's Manual

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7Maintenance and care
HILUX_OM_OM0K321E_(EE)
7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior .......... 556
Cleaning and protecting
the vehicle interior ........... 560
7-2. Maintenance
Maintenance
requirements.................... 563
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ...................... 566
Hood .................................. 568
Engine compartment.......... 570
Tires ................................... 590
Tire inflation pressure ........ 593
Wheels ............................... 595
Air conditioning filter .......... 597
Wireless remote control/
electronic key battery....... 599
Checking and
replacing fuses ................ 602
Light bulbs ......................... 607

5897-3. Do-it-yourself maintenance
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7
Maintenance and care
Close the AdBlue™ tank cap.
Turn the cap until you hear a
click.
Check that the engine starts.
The way of refilling may differ from those shown in the illustration.
■ When refilling AdBlue™
After refilling AdBlue™, the engine may take a few seconds longer than nor-
mal to start.
6
NOTICE
■ When refilling AdBlue™
Observe the following precautions.
Failure to do so may result in damage to the vehicle parts, paint, etc.
● Do not use urea solution other than AdBlue™.
● If AdBlue™ comes into contact with any painted surfaces on the vehicle,
immediately wash the affected areas with water.
● If AdBlue™ is spilled inside the engine compartment, immediately wipe it
with a wet cloth.
■ When refilling AdBlue™ with the refilling equipment
Observe the following precautions to prevent AdBlue™ overflowing from the
AdBlue™ tank:
● Securely insert the nozzle into the AdBlue™ filler neck.
● Stop filling the tank after the nozzle automatically clicks off.
● Do not top off the AdBlue™ tank.
■ When storing AdBlue™ containers
Observe the following precautions.
Failure to do so may result in damage to vehicle parts, paint, etc., and
changes in the chemical compounds of AdBlue™ may cause unpleasant
odors.
● Do not leave AdBlue™ containers inside the vehicle.
● Tightly seal AdBlue™ containers and store them in a cool, dry location
with good ventilation and no exposure to direct sunlight.
7

6348-2. Steps to take in an emergency
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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 any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
Brake system warning light (warning buzzer)
Indicates:
• Low brake fluid
• Malfunction in the brake system
• Low negative pressure in the vacuum tank (diesel
engine)
 Immediately stop the vehicle in a safe place and con-
tact any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer. Continuing to
drive the vehicle may be dangerous.
Charging system warning light (if equipped)
Indicates a malfunction in the vehicle’s charging system
 Immediately stop the vehicle in a safe place and con-
tact any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer.
Low engine oil pressure warning light (warning buzzer)
(if equipped) *1
Indicates that the engine oil pressure is too low (This
warning light may come on if the vehicle is stopped on a
slope. Move to a level surface and check to see if the light
goes off.)
 Immediately stop the vehicle in a safe place and con-
tact any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer.

6398-2. Steps to take in an emergency
HILUX_OM_OM0K321E_(EE)
8
When trouble arises
Low engine oil level warning light (if equipped)
Indicates that engine oil level is low (This warning light
may come on if the vehicle is stopped on a slope. Move
the vehicle to a level surface and check to see if the light
goes off.)
 Check the level of engine oil and add more oil if nec-
essary.
Master warning light (warning buzzer) (if equipped)
A buzzer sounds and the warning light comes on and
flashes to indicate that the master warning system has
detected a malfunction.
 P. 643
(Flashes)
Stop & Start cancel indicator (if equipped)
Indicates a malfunction in the Stop & Start system
(The Stop & Start cancel indicator will come on when the
system is canceled: P. 413)
 Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Parking brake indicator light (warning buzzer)*9
Warns the driver to release parking brake.
 Release the parking brake.
Low AdBlue™ level warning light (if equipped)
Indicates that AdBlue™ level is low
 Have AdBlue™ refilled at any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer.
Go to service warning light (warning buzzer) (if
equipped)
Indicates a malfunction in the electronic engine control
system or electronic throttle control system, or the Brake
Override System.
 Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer.
Warning lightWarning light/Details/Actions

6428-2. Steps to take in an emergency
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WARNING
■If a warning light comes on or a warning buzzer sounds when a warn-
ing message is shown on the multi-information display (vehicles with
multi-information display)
Check and follow the message shown on the multi-information display. Fail-
ure to do so may result in death or serious injury.
■ If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact any authorized
Toyota retailer or Toyota authorized r epairer, or any reliable repairer. The
vehicle will become extremely unstable during braking, and the ABS system
may fail, which could cause an accident resulting in death or serious injury.
NOTICE
■ If the malfunction indicator lamp comes on when the boost pressure in
the turbocharger is abnormally high (diesel engine)
Never drive at high speed or race the engine even after the lamp goes off.
■ If the fuel system warning light flashes (diesel engine)
Never drive the vehicle with the warn ing light flashing. Continued driving
with water accumulated in the fuel filter will damage the fuel injection pump.

6468-2. Steps to take in an emergency
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■ If “DIFFERENTIAL OIL TEMP HIGH SHIFT TO 2WD MODE COOLING TIME
REQUIRED”/“Differential oil temp high Shift to 2WD mode Cooling time
required” or “DIFFERENTIAL OIL TEMP HIGH COOLING TIME
REQUIRED”/“Differential oil temp high Cooling time required” is shown
on the multi-information display
The differential oil temperature is too high.
Turn the front-wheel drive control switch to H2, and reduce the vehicle speed
or stop the vehicle in a safe place. ( P. 398)
■ If “ENGINE OIL LEVEL LOW ADD OR REPLACE”/“Engine oil level low
Add or replace” is shown on the multi-information display
The engine oil level is low. (This warning message may be displayed if the
vehicle is stopped on a slope. Move to a level surface and check to see if the
message goes off.)
Check the level of the engine oil and add or replace oil if necessary.
( P. 563)
■ If “POWER TURNED OFF TO SAVE BATTERY”/“Power turned off to save
battery” is shown on the multi-information display
Power was turned off due to the automatic power off function.
Next time when starting the engine, increase the engine speed slightly and
maintain that level for approximately 5 minutes to recharge the battery.
■ If “DPF FULL MANUAL REGENERATION REQUIRED SEE OWNER’S
MANUAL”/“DPF full Manual regeneration required See owner’s manual”
is shown on the multi-information display
The deposit collected in the filter needs to be regenerated.
 P. 433
■ If “Front Camera Unavailable” or “Front Camera Temporarily Unavailable
See Owner’s Manual” is shown on the multi-information display
The following systems may be suspended until the problem shown in the
message is resolved. ( P. 337, 634)
● PCS (Pre-Collision System)
● LDA (Lane Departure Alert with Yaw Assist Function)
● RSA (Road Sign Assist)
● Dynamic radar cruise control
■ If a message that indicates the need for the shift lever operation is
shown on the multi-information display
To prevent the shift lever from being operated incorrectly or the vehicle from
moving unexpectedly, a message that requires shifting the shift lever may be
shown on the multi-information display. In that case, follow the instruction of
the message and shift the shift lever.

6488-2. Steps to take in an emergency
HILUX_OM_OM0K321E_(EE)
WARNING
■If a warning light comes on or a warning buzzer sounds when a warn-
ing message is shown on the multi-information display
Check and follow the message shown on the multi-information display. Fail-
ure to do so may result in death or serious injury.
NOTICE
■ While the engine oil level warning is shown on the multi-information
display
Continued engine operation with lo w engine oil will damage the engine.
■ If “WATER ACCUMULATION IN FUEL FILTER SEE OWNER’S MAN-
UAL”/“Water accumulation in fuel fi lter See owner’s manual” is shown
on the multi-information display
Never drive the vehicle if the warning message is displayed. Continued driv-
ing with water accumulated in the fuel filter will damage the fuel injection
pump.

7169-1. Specifications
HILUX_OM_OM0K321E_(EE)
■Use of ethanol blended gasoline in a gasoline engine
Toyota allows the use of ethanol blended gasoline where the ethanol content
is up to 10%. Make sure that the ethanol blended gasoline to be used has a
Research Octane Number that follows the above.
■ If you plan to drive in foreign countries (vehicles with DPF system)
Low sulfur diesel fuel may not be avai lable, so please check the availability
with your distributor.
■ If your engine knocks
● Consult any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
● You may occasionally notice light knocking for a short time while accelerat-
ing or driving uphill. This is normal and there is no need for concern.
NOTICE
■ Notice on gasoline fuel quality
● Do not use improper fuels. If improper fuels are used, the engine will be
damaged.
● Do not use gasoline with metallic additives, for example manganese, iron
or lead, otherwise it may cause damage on your engine or emission con-
trol system.
● Do not add aftermarket fuel additives which contain metallic additives.
● Do not use the methanol blended gasoline such as M15, M85, M100. The
use of gasoline containing methanol may cause engine damage or failure.
● Bioethanol fuel sold under names such as “E50” or “E85” and fuel contain-
ing a large amount of ethanol should not be used. Your vehicle can use
gasoline mixed with 10% max ethanol. The use of fuel with more than 10%
ethanol content (E10) will damage the vehicle’s fuel system. You must
ensure that refueling is carried out only from a source where fuel specifica-
tion and quality can be guaranteed. In case of any doubt, ask any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
■ Notice on diesel fuel quality
● Do not use improper fuels. If improper fuels are used, the engine will be
damaged.
● EU area: FAME (Fatty Acid Methyl Ester) fuel sold under names such as
“B30” or “B100” and fuel containing a large amount of FAME should not be
used. The use of these fuels will damage the vehicle’s fuel system. In case
of any doubt, ask any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.

735Alphabetical index
HILUX_OM_OM0K321E_(EE)
Driving
Break-in tips .......................... 257
Correct posture ....................... 40
Procedures............................ 254
Winter drive tips .................... 438
Dynamic radar cruise
control .................................... 367
Function ................................ 367
Warning message ................. 643
Eco Driving Indicator....... 138, 140
Emergency flashers................. 624
Electronic key
If the electronic key does
not operate properly ........... 668
Replacing the battery ............ 599
Emergency, in case of
If a warning buzzer
sounds ................................ 634
If a warning light turns on ...... 634
If the electronic key does
not operate properly ........... 668
If the engine will not start ...... 666
If the vehicle battery is
discharged .......................... 672
If you have a flat tire.............. 649
If you lose your keys ............. 168
If you run out of fuel and
the engine stalls.................. 682
If you think something is
wrong .................................. 632
If your vehicle becomes
stuck ................................... 683
If your vehicle has to be
stopped in an
emergency.......................... 625
If your vehicle needs to be
towed .................................. 627
If your vehicle overheats ....... 678
Engine
“ACC” position ...................... 283
Compartment ........................ 570
Engine switch................ 282, 285
Hood ..................................... 568
How to start the
engine......................... 282, 285
Identification number ............ 693
If the engine will not start ...... 666
If you run out of fuel and the
engine stalls ....................... 682
If your vehicle has to be
stopped in an
emergency.......................... 625
Ignition switch
(engine switch) ........... 282, 285
Overheating .......................... 678
Engine coolant
Capacity ................................ 706
Checking ............................... 576
Preparing and checking
before winter....................... 438
Engine coolant
temperature gauge ................ 144
Engine immobilizer system .... 105
Engine oil
Capacity ................................ 696
Checking ............................... 573
Oil level warning light ............ 639
Oil pressure warning light ..... 634
Preparing and checking
before winter....................... 438
Engine oil maintenance
data ......................................... 575
E

737Alphabetical index
HILUX_OM_OM0K321E_(EE)
Gauges...................................... 142
Glove box ................................. 541
Grocery bag hooks .................. 552
Hands-free system
(for cellular phone)*.............. 481
Head restraints......................... 239
Headlights ................................ 308
Light switch ........................... 308
Replacing light bulbs ............. 609
Wattage................................. 714
Heated steering wheel ............. 535
Heaters
Automatic air conditioning
system ................................ 526
Heated steering wheel .......... 535
Manual air conditioning
system ................................ 518
Seat heaters.......................... 535
Outside rear view mirrors ...... 528
High mounted stoplight
Replacing .............................. 620
Hill-start assist control ............ 422
Hood.......................................... 568
Hooks
Coat hooks ............................ 553
Grocery bag hooks................ 552
Retaining hooks (floor mat) ..... 38
Horn .......................................... 243
Identification
Engine................................... 693
Vehicle .................................. 691
Ignition switch (engine
switch) ............................ 282, 285
Auto power off function ......... 289
Changing the engine
switch modes...................... 288
Changing the engine
switch position .................... 283
If your vehicle has to be
stopped in an
emergency.......................... 625
Starting the engine........ 282, 285
Ignition switch light
(engine switch light) ............. 537
Illuminated entry system ........ 539
Immobilizer system ................. 105
Indicators ................................. 134
Initialization
Engine oil maintenance
data .................................... 575
Item to initialize ..................... 726
Inside rear view mirror ............ 244
Instrument panel light
control .................................... 144
Intercooler ................................ 577
Intercooler coolant
Capacity ................................ 706
Checking ............................... 576
Preparing and checking
before winter....................... 438
Interior lights............................ 537
Switch ................................... 538
Wattage ................................ 714
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*: Refer to “Navigation and multimedia system Owner’s manual”.