2020 TOYOTA HILUX check engine

6027-3. Do-it-yourself maintenance
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Checking and replacing fuses
Vehicles without smart entry & start system:
Turn the engine switch to the “LOCK” position.
Vehicles with smart entry & start system:
Turn the engine switch off.
Open the fuse box cover.
In the engine compartment
Push the tab in and pull the lock
release, and lift the lid off.
Under the instrument panel (left-hand drive vehicles)
Remove the lid.
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.
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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
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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.

6458-2. Steps to take in an emergency
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When trouble arises
■Warning messages
The warning messages explained below may differ from the actual messages
according to operation conditions and vehicle specifications.
■ If is shown on the multi-information display
The engine oil pressure is too 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.)
Immediately stop the vehicle in a safe place and contact any authorized
Toyota retailer or Toyota authorized repai rer, or any reliable repairer. Continu-
ing to drive the vehicle may be dangerous.
■ If “ACCELERATOR AND BRAKE PEDALS DEPRESSED SIMULTANE-
OUSLY”/“Accelerator and brake pedals depressed simultaneously” is
shown on the multi-information display
The accelerator and brake pedal are being depressed simultaneously.
( P. 257)
Release the accelerator pedal and depress the brake pedal.
■ If “WINDSHIELD WASHER FLUID LOW”/“Windshield washer fluid low” is
shown on the multi-information display
The washer fluid level is low.
Add washer fluid. ( P. 5 8 2 )
■ If “OIL MAINTENANCE REQUIRED SOON”/“Oil maintenance required
soon” is shown on the multi-information display
The engine oil is scheduled to be changed.
Check the engine oil, and change if necessary. After changing the engine oil,
the oil change system should be reset. ( P. 575)
For Russia, Ukraine, Byelarus, Moldova, Bosnia Herzegovina, Montenegro,
Serbia and Macedonia: You have forgotten to reset the oil change system.
Change the engine oil in accordance with the maintenance schedule.
■ If “OIL MAINTENANCE REQUIRED”/“Oil maintenance required” is
shown on the multi-information display
The engine oil is scheduled to be changed.
Check and change the engine oil, and oil filter by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer. After changing
the engine oil, the oil change system should be reset. ( P. 575)
For Russia, Ukraine, Byelarus, Moldova, Bosnia Herzegovina, Montenegro,
Serbia and Macedonia: You have forgotten to reset the oil change system.
Change the engine oil in accordance with the maintenance schedule.

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
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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
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.

6518-2. Steps to take in an emergency
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When trouble arises
WARNING
■Using the tire jack
Improper use of the tire jack may cause the vehicle to suddenly fall off the
jack, leading to death or serious injury.
● Do not use the tire jack for any purpose other than replacing tires or install-
ing and removing tire chains.
● Only use the tire jack that comes with this vehicle for replacing a flat tire.
Do not use it on other vehicles, and do not use other tire jacks for replac-
ing tires on this vehicle.
● Make sure the tire jack can be moved properly.
● Always check that the tire jack is securely set to the correct jack up point.
● Do not put any part of your body under the vehicle while it is supported by
the jack.
● Do not start or run the engine while your vehicle is supported by the jack.
● Do not raise the vehicle while someone is inside.
● When raising the vehicle, do not put an object on or under the jack.
● Do not raise the vehicle to a height greater than that required to replace
the tire.
● Use a jack stand if it is necessary to get under the vehicle.
Take particular care when lowering the vehicle to ensure that no one work-
ing on or near the vehicle may be injured.
■ Using the jack handle
Insert the square head securely until you hear a click to prevent the exten-
sion parts from coming apart unexpectedly.
● Do not continue jacking up once the yel-
low caution line has appeared.Ye l l o w
caution line