2023 TOYOTA 86 engine

3687-2. Steps to take in an emergency
The battery terminal connec-
tions may be loose or cor-
roded. ( P.309)
The engine starting system may
be malfunctioning due to an
electrical problem such as elec-
tronic key battery depletion or a
blown fuse. However, an interim
measure is available to start the
engine. ( P.368)
One of the following may be the
cause of the problem:
 One or both of the battery ter-
minals may be disconnected.
( P.309)
 The battery may be dis-
charged. ( P.372)
 There may be a malfunction
in the steering lock system.
Contact your Toyot a dealer if the
problem cannot be repaired, or if
repair procedures are unknown.
When the engine does not start,
the following steps can be used
as an interim measure to start the engine if the engine switch is
functioning normally:
1
Set the parking brake.
2 Shift the shift lever to P (auto-
matic transmission) or N
(manual transmission).
3 Turn the engine switch to
ACC.
4 Press and hold the engine
switch for about 10 seconds
while depressing the brake
pedal (automatic transmis-
sion) or clutch pedal (manual
transmission) firmly.
Even if the engine can be
started using the above steps,
the system may be malfunction-
ing. Have the vehicle inspected
by your Toyota dealer.
The starter motor does
not turn over
The starter motor does
not turn over, the interior
lights and headlights do
not turn on, or the horn
does not sound.
Emergency start function

3707-2. Steps to take in an emergency
■When the electronic key does
not work properly
●Make sure that the smart key sys-
tem has not been deactivated in
the customization setting. If it is
off, turn the function on.
●Check if battery-saving mode is
set. If it is set, cancel the function.
(  P.112)
■Unlocking the door
Use the mechanical key
( P.102) in order to perform the following operations:
1
Unlocks driver’s door
2 Locks driver’s door
1 Vehicles with an automatic
transmission: Ensure that the
shift lever is in P and depress
the brake pedal.
Vehicles with a manual trans-
mission: Shift the shift lever
to N and depress the clutch
pedal.
2 Touch the area behind the
lock button and unlock button
on the electronic key to the
engine switch.
When the electronic key is
detected, a buzzer sounds and the
engine switch will turn to ON.
When the smart key system is
deactivated in customization set-
ting, the engine switch will turn to
If the electronic key
does not operate prop-
erly
If communication between
the electronic key and vehi-
cle is interrupted ( P.112)
or the electronic key cannot
be used because the battery
is depleted, the smart key
system and wireless remote
control cannot be used. In
such cases, the doors can
be opened and the engine
can be started by following
the procedure below.
NOTICE
■In case of a smart key system
malfunction or other
key-related problems
Take your vehicle with all the elec-
tronic keys provided with your
vehicle to your Toyota dealer.
Locking and unlocking
the doors
Starting the engine

3717-2. Steps to take in an emergency
7
When trouble arises
ACC.
3Firmly depress the brake
pedal (automatic transmis-
sion) or clutch pedal (manual
transmission) and check that
is shown on the
multi-information display.
4 Press the engine switch.
In the event that the engine still
cannot be started, contact your
Toyota dealer.
■Stopping the engine
Vehicles with an automatic trans-
mission: Shift the shift lever to P and
press the engine switch as you nor-
mally do when stopping the engine.
Vehicles with a manual transmis-
sion: Shift the shift lever to N and
press the engine switch as you nor-
mally do when stopping the engine.
■Electronic key battery
As the above proc edure is a tempo-
rary measure, it is recommended
that the electronic key battery be
replaced immediate ly when the bat-
tery is depleted. ( P.328)
■Alarm
Using the mechanical key to lock
the doors will not set the alarm sys-
tem.
If a door is unlocked using the
mechanical key when the alarm sys-
tem is set, the alarm may be trig-
gered.
■Changing engine switch modes
Release the brake pedal (automatic
transmission) or clutch pedal (man-
ual transmission) and press the
engine switch in step 3 above.
The engine does not start and
modes will be changed each time
the switch is pressed. ( P.147)

3727-2. Steps to take in an emergency
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.
1
Confirm that the electronic
key is being carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and doors locked.
2Open the hood. ( P.302)
3 Connect a positive jumper cable clamp to on your vehicle and
connect the clamp on the other end of the positive cable to on
the second vehicle. Then, connect a negative cable clamp to
on the second vehicle and connect the clamp at the other end of
the negative cable to .
Positive (+) battery terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery term inal (second vehicle)
If the vehicle batter y
is discharged
The following procedures
may be used to start the
engine if the vehicle’s bat-
tery is discharged.
You can also call your Toy-
ota dealer or a qualified
repair shop.
Restarting the engine
A
B
C
D
A
C

3737-2. Steps to take in an emergency
7
When trouble arises
Connect the jumper cable to ground on your vehicle as shown in
the illustration.
4 Start the engine of the sec-
ond vehicle. Increase the
engine speed slightly and
maintain at that level for
approximately 5 minutes to
recharge the battery of your
vehicle.
5 Open and close any of the
door of your vehicle with the
engine switch off.
6 Maintain the engine speed of
the second vehicle and start
the engine of your vehicle by
turning the engine switch to
ON.
7 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 your Toyota
dealer as soon as possible.
■Starting the engine when the
battery is discharged
The engine cannot be started by
push-starting.
■To prevent battery discharge
●Turn off the headlights and the
audio system while the engine is
off.
●Turn off any unnecessary electri-
cal components when the vehicle
is running at a low speed for an
extended period, such as in heavy
traffic.
■When the battery is removed or
discharged
Information stored in the ECU is
cleared. When the battery is
depleted, have the vehicle
inspected at your Toyota dealer.
■When removing the battery ter-
minals
When the battery terminals are
removed, the information stored in
the ECU is cleared. Before remov-
ing the battery term inals, contact
your Toyota dealer.
■Charging the battery
The electricity stored in the battery
will discharge grad ually even when
the vehicle is not in use, due to nat-
ural discharge and the draining
effects of certain electrical appli-
ances. If the vehicle is left for a long
time, the battery may discharge,
and the engine may be unable to
start. (The battery recharges auto-
matically during driving.)
■When recharging or replacing
the battery
●In some cases, it may not be pos-
sible to unlock the doors using the
smart key system when the bat-
tery is discharged. Use the wire-
less remote control or the
mechanical key to lock or unlock
the doors.
●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.
●The engine switch mode is memo-
rized by the vehicle. When the
battery is reconnected, the system
will return to the mode it was in
before the bat tery was dis-
charged. Before disconnecting the
battery, turn the engine switch off.
If you are unsure what mode the
engine switch wa s in before the
D

3757-2. Steps to take in an emergency
7
When trouble arises
1Stop the vehicle in a safe
place and turn off the air con-
ditioning system, and then
stop the engine.
2 If you see steam: Carefully lift
the hood after the steam sub-
sides.
If you do not see steam:
Carefully lift the hood.
3 After the engine has cooled
down sufficiently, inspect the hoses and radiator core (radi-
ator) for any leaks.
Radiators
Cooling fans
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
4
The coolant level is satisfac-
tory if it is between the
“FULL” and “LOW” lines on
the reservoir.
Reservoir
“FULL” line
“LOW” line
Radiator cap
5 Add engine coolant if neces-
sary.
Water can be used in an emer-
gency if engine coolant is unavail-
If your vehicle over-
heats
The following may indicate
that your vehicle is over-
heating.
The engine coolant tem-
perature gauge ( P. 8 8 ) i s
in the red zone or a loss of
engine power is experi-
enced. (For example, the
vehicle speed does not
increase.)
 “High Coolant Temperature
Check Owner's Manual” is
shown on the multi-informa-
tion display.
 Steam comes out from
under the hood.
Correction procedures
A
A
C
D

3767-2. Steps to take in an emergency
able.
6Start the engine and turn the
air conditioning system on to
check that the radiator cool-
ing fans operate and to check
for coolant leaks from the
radiator or hoses.
The fans operate w hen the air con-
ditioning system is turned on imme-
diately after a cold start. Confirm
that the fans are operating by
checking the fan sound and air flow.
If it is difficult to check these, turn
the air conditioning system on and
off repeatedly. (The fans may not
operate in freezing temperatures.)
7 If the fans are not operating:
Stop the engine immediately
and contact your Toyota
dealer.
If the fans are operating:
Have the vehicle inspected at
the nearest Toyota dealer.
WARNING
■When inspecting under the
hood of your vehicle
Observe the following precau-
tions.
Failure to do so may result in seri-
ous injury such as burns.
●If steam is seen coming from
under the hood, do not open the
hood until the steam has sub-
sided. The engine compart-
ment may be very hot.
●Keep hands and clothing (espe-
cially a tie, a sca rf or a muffler)
away from the fans and belts.
Failure to do so may cause the
hands or clothing to be caught,
resulting in serious injury.
●Do not loosen the coolant reser-
voir caps while the engine and
radiator are hot.
High temperature steam or
coolant could spray out.
NOTICE
■When adding engine coolant
Add coolant slowly after the
engine has cooled down suffi-
ciently. Adding cool coolant to a
hot engine too quickly can cause
damage to the engine.
■To prevent damage to the
cooling system
Observe the following precau-
tions:
●Avoid contaminating the coolant
with foreign matter (such as
sand or dust etc.).
●Do not use any coolant additive.

3777-2. Steps to take in an emergency
7
When trouble arises
1Stop the engine. Set the
parking brake and shift the
shift lever to P (automatic
transmission) or N (manual
transmission).
2 Remove the mud, snow or
sand from around the rear
wheels.
3 Place wood, stones or some
other material under the rear
wheels to help provide trac-
tion.
4 Restart the engine.
5 Shift the shift lever to D or R
(automatic transmission) or 1
or R (manual transmission)
and release the parking
brake. Then, while exercising
caution, depress the acceler-
ator pedal.
■When it is difficult to free the
vehicle
Press the switch to turn off
TRAC.
If the vehicle becomes
stuck
Carry out the following pro-
cedures if the tires spin or
the vehicle becomes stuck
in mud, dirt or snow:
Recovering procedure
WARNING
■When attempting to free a
stuck vehicle
If you choose to push the vehicle
back and forth to free it, make
sure the surrounding area is clear
to avoid striking other vehicles,
objects or people. The vehicle
may also lunge forward or lunge
back suddenly as it becomes free.
Use extreme caution.
■When shifting the shift lever
(vehicles with an automatic
transmission)
Be careful not to shift the shift
lever with the accelerator pedal
depressed.
This may lead to unexpected
rapid acceleration of the vehicle
that may cause an accident
resulting in death o r serious injury.
NOTICE
■To avoid damaging the trans-
mission and other compo-
nents
●Avoid spinning the rear wheels
and depressing the accelerator
pedal more than necessary.
●If the vehicle remains stuck
even after these procedures are
performed, the vehicle may
require towing to be freed.