2021 TOYOTA HILUX battery

6048-2. Steps to take in an emergency
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If the vehicle batter y is discharged
If you have a set of jumper (or booster) cables and a second vehicle
with a 12-volt battery, you can jump start your vehicle by following the
steps below.
Open the hood. ( P. 484)
Connect the jumper cables according to the following procedure:
Connect a positive jumper cable clamp to the positive (+) battery
terminal on your vehicle.
Connect the clamp on the other end of the positive cable to the
positive (+) battery terminal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery termi-
nal on the second vehicle.
Connect the clamp at the other end of the negative cable to a
solid, stationary, unpainted metallic point away from the battery
and any moving parts, as shown in the illustration.
Gasoline engine
The following procedures may be used to start the engine if the
vehicle’s battery is discharged.
You can also call any authorized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer or a qualified repair shop.
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6058-2. Steps to take in an emergency
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When trouble arises
Diesel engine (vehicles without water-cooled intercooler)
Diesel engine (vehicles with water-cooled intercooler)
Start the engine of the second vehicle. Increase the engine speed
slightly and maintain at that level for approximately 5 minutes to
recharge the battery of your vehicle.
Vehicles with smart entry & start system: Open and close any of the
doors with the engine switch off.
Maintain the engine speed of the second vehicle and start the
engine of your vehicle by turning the engine switch to the “ON”
position (vehicles without smart entry & start system) or IGNITION
ON mode (vehicles with smart entry & start system).
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6068-2. Steps to take in an emergency
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Once the vehicle’s engine has started, remove the jumper cables in
the exact reverse order from which they were connected.
Once the engine starts, have the vehicle inspected at any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer
as soon as possible.
Q Starting the engine when the battery is discharged (vehicles with auto-
matic transmission)
The engine cannot be started by push-starting.
Q To prevent battery discharge
O Turn off the headlights and the audio system while the engine is off.
(Vehicles with Stop & Start system: Except when the engine is stopped due
to the Stop & Start system)
O Turn off any unnecessary electrical components when the vehicle is running
at a low speed for an extended period, such as in heavy traffic.
Q When the battery is removed or discharged
O Information stored in the ECU is cleared. When the battery is depleted, have
the vehicle inspected at any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
O The power windows may not close normally. In this case, initialize the power
windows. (if equipped) ( P. 187)
O If it is necessary to initialize the panoramic view monitor (if equipped), refer
to “Navigation and multimedia system Owner’s manual” or “Multimedia
Owner’s Manual”.
Q Charging the battery
The electricity stored in the battery will discharge gradually even when the
vehicle is not in use, due to natural discharge and the draining effects of cer-
tain electrical appliances. If the vehicle is left for a long time, the battery may
discharge, and the engine may be unable to start. (The battery recharges
automatically during driving.)
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6078-2. Steps to take in an emergency
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When trouble arises
QWhen recharging or replacing the battery (vehicles with smart entry &
start system)
O In some cases, it may not be possible to unlock the doors using the smart
entry & start system when the battery is discharged. Use the wireless
remote control or the mechanical key to lock or unlock the doors.
O The engine may not start on the first attempt after the battery has recharged
but will start normally after the second attempt. This is not a malfunction.
O The engine switch mode is memorized by the vehicle. When the battery is
reconnected, the system will return to the mode it was in before the battery
was discharged. Before disconnecting the battery, turn the engine switch off.
If you are unsure what mode the engine switch was in before the battery dis-
charged, be especially careful when reconnecting the battery.
O Vehicles with Stop & Start system: After the battery terminals have been dis-
connected and reconnected or, the battery has been replaced, the Stop &
Start system may not automatically stop the engine for up to an hour.
Q When replacing the battery
O Use a battery that conforms to European regulations.
O Use a battery with the same case size as the previous battery and an equiv-
alent 20 hour rate capacity (20HR) or greater.
• If the sizes differ, the battery cannot be properly secured.
• If the 20 hour rate capacity is low, even if the time period where the vehi-
cle is not used is a short time, the battery may discharge and the engine
may not be able to start.
O Vehicles with Stop & Start system: Use a genuine battery specifically
designed for use with the Stop & Start system or a battery with equivalent
specifications to a genuine battery. If an unsupported battery is used, Stop &
Start system functions may be restricted to protect the battery.
Also, battery performance may decrease and the engine may not be able to
restart. Contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer for details.
O For details, consult any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.

6088-2. Steps to take in an emergency
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WARNING
QWhen removing the battery terminals
Always remove the negative (-) terminal first. If the positive (+) terminal con-
tacts any metal in the surrounding area when the positive (+) terminal is
removed, a spark may occur, leading to a fire in addition to electrical shocks
and death or serious injury.
Q Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flam-
mable gas that may be emitted from the battery:
O Make sure each jumper cable is connected to the correct terminal and that
it is not unintentionally in contact with any other than the intended terminal.
O 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.
O Do not allow the + and - clamps of the jumper cables to come into contact
with each other.
O Do not smoke, use matches, cigarette lighters or allow open flame near
the battery.
Q Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while
related parts contain lead and lead compounds. Observe the following pre-
cautions when handling the battery:
O When working with the battery, always wear safety glasses and take care
not to allow any battery fluids (acid) to come into contact with skin, clothing
or the vehicle body.
O Do not lean over the battery.
O 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 medical attention
can be received.
O Always wash your hands after handling the battery support, terminals, and
other battery-related parts.
O Do not allow children near the battery.

6098-2. Steps to take in an emergency
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When trouble arises
WARNING
QWhen exchanging the battery
O When the vent plug and indicator are close to the hold down bracket, the
battery fluid (sulfuric acid) may leak.
O For information regarding battery replacement, contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer.
Q To prevent damage to the vehicle (vehicles with manual transmission)
Do not pull- or push-start the vehicle as the three-way catalytic converter or
catalytic converter may overheat and become a fire hazard.
NOTICE
Q When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-
gled in the cooling fan or belt.

635
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9-1. Specifications
Vehicle specifications
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Vehicles with maintenance type battery
Vehicles with maintenance-free type battery
Ignition system (gasoline engine)
Spark plug
MakeDENSO FK20HR-A8
Gap0.8 mm (0.031 in.)
NOTICE
QIridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
Battery
Specific gravity reading
at 20 C (68F):
1.25 or higher
If the specific gravity is lower than the standard
value, charge the battery.
Charging rates
Quick charge
Slow charge
15 A max.
5 A max.
Battery
Open voltage at 20 C
(68 F):
12.3 V or higher
If the voltage is lower than the standard value,
charge the battery.
(After charging the battery, turn on the high
beam headlights for 30 seconds with the engine
switch in the “LOCK” position [vehicles without
smart entry & start system] or off [vehicles with
smart entry & start system], and turn the head-
lights off.)
Charging rates 5 A max.

6539-2. Customization
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Vehicle specifications
WARNING
QDuring customization
As the engine needs to be running during customization, ensure that the
vehicle is parked in a place with adequate ventilation. In a closed area such
as a garage, exhaust gases including harmful carbon monoxide (CO) may
collect and enter the vehicle. This may lead to death or a serious health
hazard.
NOTICE
Q During customization
To prevent battery discharge, ensure that the engine is running while cus-
tomizing features.