ECU TOYOTA 86 2023 Workshop Manual

1424-1. Before driving
WARNING
■Things that must not be car-
ried in the trunk
The following things may cause a
fire if loaded in the trunk:
●Receptacles co ntaining gaso-
line
●Aerosol cans
■Storage precautions
Observe the following precau-
tions.
Failure to do so m ay result in
death or serious injury.
●Stow cargo and luggage in the
trunk whenever possible.
●To prevent cargo and luggage
from sliding forward during
braking, do not stack anything in
the enlarged trunk. Keep cargo
and luggage low, as close to the
floor as possible.
●When you fold down the rear
seats, long items should not be
placed directly behind the front
seats.
●Never allow anyone to ride in
the enlarged trunk. It is not
designed for passengers. They
should ride in their seats with
their seat belts properly fas-
tened. Otherwise, they are
much more likely to suffer death
or serious bodily injury, in the
event of sudden braking, sud-
den swerving or an accident.
●Do not place cargo or luggage
in or on the follo wing locations
as the item may get under the
clutch (manual transmission),
brake or accelerator pedal and
prevent the pedals from being
depressed properly, block the
driver’s vision, or hit the driver
or passengers, causing an acci-
dent:
• At the feet of the driver
• On the front passenger or rear seats (when stacking items)
• On the package tray
• On the instrument panel
• On the dashboard
●Secure all items in the occupant
compartment, as they may shift
and injure someone during sud-
den braking, sudden swerving
or an accident.
■Capacity and distribution
●Do not exceed the maximum
axle weight rating or the total
vehicle weight rating.
●Even if the total load of occu-
pant’s weight and the cargo
load is less than the total load
capacity, do not apply the load
unevenly. Improper loading may
cause deterioration of steering
or braking control which may
cause death or serious injury.

1644-3. Operating the lights and wipers
The sensitivity of the high beam
assist function can be lowered
by using the following opera-
tions.
1After turning the engine
switch to ON, turn the head-
light switch to position
and push the lever forward.
2 After the high beam assist
indicator on the meter will
illuminate, turn the engine
switch off.
3 Turn the engine switch to ON
and within approximately 15
seconds, press the switch
more than 10 times consecu-
tively.
When the sensitivity of the high
beam assist function is lowered, the
high beam assist i ndicator on the
meter will flash.
■The sensitivity of the high beam
assist function
●The sensitivity of the high beam
assist function cannot be lowered
in the following conditions:
• Adaptive Cruise Control or Con- ventional Cruise Control indicator
is illuminated.
• The EyeSight warning light is illu- minated.
●The sensitivity of the high beam
assist function re turns to normal
level the next time the engine
switch is turned off and the engine
is restarted.
■Switching to the low beams
Turn the headlight switch to
position.
The high bea m assist indicator will
turn off.
To turn the high beam assist on
again, turn the headlight switch to
position.
■Switching to the high
beams
Push the lever forward.
The high bea m assist indicator will
turn off and the high beam indicator
will illuminate.
To turn the high beam assist on
again, push the lever forward
again.
How to temporarily lower
the sensitivity of the high
beam assist functionTurning the high beams
on/off manually

1684-4. Refueling
1With the doors unlocked,
press the center of the rear
edge of the fuel filler door.
Push until you hear a click and take
your hand away to slightly open the
fuel filler door. Then open the door fully by hand.
2
Turn the fuel tank cap slowly
and remove it, then put it into
the holder on the fuel filler
door.
■When opening the fuel filler
door
The fuel filler door cannot be
opened if the doo rs have been
unlocked using a inside lock button.
Unlock the doors u sing the entry
function, wireless remote control, or
door lock switch. ( P.105, 106)
■If the fuel filler door cannot be
opened
 P.369
1 After refueling, turn the fuel
tank cap until you hear a
click. Once the cap is
WARNING
●Securely insert the fuel nozzle
into the fuel filler neck.
●Stop filling the tank after the fuel
nozzle automatically clicks off.
●Do not top off the fuel tank.
●Turn the cap to the right until it
clicks to ensure that it is fully
tightened. If the cap is not
securely tightened, fuel spillage
could occur in t he event of an
accident, creating a fire hazard.
NOTICE
■Refueling
●Do not spill fuel during refueling.
Doing so may damage the vehi-
cle, such as causing the emis-
sion control system to operate
abnormally or damaging fuel
system components or the vehi-
cle’s painted surface.
●Never add any cleaning agents
to the fuel tank. The addition of
a cleaning agent may cause
damage to the fuel system.
●Immediately put fuel in the tank
whenever the low fuel warning
light illuminates. Engine misfires
as a result of an empty tank
could cause damage to the
engine.
Opening the fuel tank cap
Closing the fuel tank cap

2594-6. Using other driving systems
4
Driving
Use snow mode for accelerating
and driving on slippery road sur-
faces such as snow.
The snow mode indicator comes
on.
■Sport mode
●In sport mode, lower gears are
used and gears change at a
higher engine speed.
●In the following situations, it may
not be possible to change to sport
mode. When the mode cannot be
changed to sport mode, a buzzer
will sound and a message will be
displayed on the multi-information
display.
• When the Adaptive Cruise Control or Conventional Cruise Control is
operating
• When the engine is cold
■Snow mode
To prevent slipping, 1st gear cannot
be selected when in snow mode.
■Automatic deactivation of sport
mode and snow mode
In the following si tuations, the driv-
ing mode is autom atically deacti-
vated:
●When the engine is turned off after
driving in sport mode or snow
mode.
●When the Adaptive Cruise Control
or Conventional Cruise Control is
activated while driving in sport
mode.
●When in sport mode and stop-
ping/starting off is automatically
performed in second gear.
(  P.150)
When the engine switch is
turned to ON, the hill-start assist
control ON indicator will illumi-
nate.
When the hill-start assist control
operates, the indicator will flash.
1 Park your vehicle in a flat,
safe location.
Make sure that the parking brake is
securely engaged.
2Stop the engine by turning
the engine switch off.
Hill-star t assist con-
trol
Hill-start assist control
helps to maintain braking
force to assist starting off
forward while facing uphill
or starting off backward
while facing downhill.
Hill-start assist control
ON indicator
Disabling hill-start assist
control

2634-6. Using other driving systems
4
Driving
The TRAC OFF indicator will come
on.
Press switch again to turn the
system back on.
■“TRACK” mode
Your vehicle is equipped with two
types of control modes to accommo-
date various drivi ng preferences.
The control modes can be selected
with the “TRACK” switch. Normal
mode allows secure and smooth
normal driving. W hen the switch is
pressed and held for 1 second or
more, “TRACK” mode is activated.
When “TRACK” mode is selected,
the control characteristics of VSC,
TRAC, etc. will be changed and
sportier than normal driving will be
possible.
When “TRACK” mode is selected,
the multi-informat ion display will
change to the “TRACK” mode dis- play and the “TRACK” indicator and
VSC OFF indicato
r will illuminate.
To change back to normal mode
while in “TRACK” mode, press
switch or the “TRACK” switch.
■Turning off both TRAC and VSC
systems
To turn the TRAC and VSC systems
off, press and hold switch for
more than 3 seconds while the vehi-
cle is stopped.
The TRAC OFF ind icator and the
VSC OFF indicator will come on.
However, on vehicles with an auto-
matic transmission, the brake LSD
function will remain on.
Press switch again to turn the
systems back on.
■Selecting TRAC mode and VSC mode
Modes can be selected to suit your driving conditions as follow s:
Driving condi-
tionsTRAC modesVSC modesBrake LSD functionIndicators
Normal roadsNormal modeNormal modeNormal mode
Rough roadsOFFNormal modeNormal mode

2825-3. Using the storage features
Lift the luggage mat.
The warning reflector can be
stored.
■Warning reflector storage box
Depending on the size and shape of
the warning reflector case, it may
not be able to be stored.
Trunk features
Auxiliary box
Warning reflector storage
box
WARNING
■When storing a warning
reflector
Make sure that the warning reflec-
tor is stored securely.
Failure to do so may cause it jump
out of position in the event of sud-
den braking, etc., causing an acci-
dent.

2976-2. Maintenance
6
Maintenance and care
Exhaust sys-
temThere should not
be any fumes or
strange sounds.
Radiator/con-
denser
The radiator and
condenser should
be free from for-
eign objects.
( P.308)
Washer fluid
Is there sufficient
washer fluid?
( P.311)
Vehicle interior
ItemsCheck points
Accelerator
pedal
• The accelerator
pedal should
move smoothly
(without uneven
pedal effort or
catching).
Automatic
transmission
“Park” mecha-
nism
• When parked on a slope and the
shift lever is in P,
is the vehicle
securely
stopped?
Brake pedal
• Does the brake pedal move
smoothly?
• Does the brake pedal have
appropriate
clearance from
the floor?
• Does the brake pedal have the
correct amount
of free play?
ItemsCheck points
Brakes
• The vehicle should not pull to
one side when
the brakes are
applied.
• The brakes should work
effectively.
• The brake pedal should not feel
spongy.
• The brake pedal should not get
too close to the
floor when the
brakes are
applied.
Clutch pedal
• Does the clutch pedal move
smoothly?
• Does the clutch pedal have
appropriate
clearance from
the floor?
• Does the clutch pedal have the
correct amount
of free play?
Head
restraints
• Do the head restraints move
smoothly and
lock securely?
Indica-
tors/buzzers
• Do the indica-tors and buzzers
function prop-
erly?
Lights• Do all the lights come on?
ItemsCheck points

2986-2. Maintenance
Parking brake
• Does the park-ing brake move
smoothly?
• When parked on a slope and the
parking brake is
on, is the vehicle
securely
stopped?
Seat belts
• Do the seat belts operate
smoothly?
• The seat belts should not be
damaged.
Seats
• Do the seat con-trols operate
properly?
Steering wheel
• Does the steer-ing wheel rotate
smoothly?
• Does the steer- ing wheel have
the correct
amount of free
play?
• There should not be any strange
sounds coming
from the steer-
ing wheel.
ItemsCheck pointsVehicle exterior
ItemsCheck points
Doors/trunk
•Do the doors/trunk oper-
ate smoothly?
Engine hood
• Does the engine hood lock system
work properly?
Fluid leaks
• There should not be any signs of
fluid leakage
after the vehicle
has been parked.
Tires
• Is the tire infla-tion pressure
correct?
• The tires should not be damaged
or excessively
worn.
• Have the tires been rotated
according to the
maintenance
schedule?
• The wheel nuts should not be
loose.
Windshield
wipers
• The wiper blades should not show
any signs of
cracking, split-
ting, wear, con-
tamination or
deformation.
• The wiper blades should clear the
windshield with-
out streaking or
skipping.

3106-3. Do-it-yourself maintenance
■Checking battery fluid
Check that the level is between
the “UPPER LEVEL” and
“LOWER LEVEL” lines.
“UPPER LEVEL” line
“LOWER LEVEL” line
If the fluid level is at or below the
“LOWER LEVEL” line, add distilled
water.
■Adding distilled water
1 Remove the vent plug.
2 Add distilled water.
If the “UPPER LEVEL ” line cannot
be seen, check the fluid level by
looking directly at the cell.
3 Put the vent plug back on
and close it securely.
■Before recharging
When recharging, t he battery pro-
duces hydrogen ga s which is flam-
mable and explosive. Therefore, observe the following before
recharging:
●If recharging with the battery
installed on the vehicle, be sure to
disconnect the ground cable.
●Make sure the power switch on
the charger is off when connecting
and disconnecting the charger
cables to the battery.
■After recharging/reconnecting
the battery
The engine may not start. Follow the
procedure below to initialize the sys-
tem.
1 Shift the shift lever to P (auto-
matic transmission) or depress
the brake pedal with the shift
lever in N (manual transmission).
2 Open and close either door.
3 Restart the engine.
●Unlocking the doors using the
smart key system may not be pos-
sible immediately after reconnect-
ing the battery. If this happens,
use the wireless remote control or
the mechanical key to lock/unlock
the doors.
●Start the engine with the engine
switch in ACC. T he engine may
not start with th e engine switch
turned off. However, the engine
will operate normally from the sec-
ond attempt.
●The engine switch mode is
recorded by the vehicle. If the bat-
tery is disconnected and recon-
nected, the vehi cle will return the
engine switch mode to the status it
was in before the battery was dis-
connected. Make sure to turn off
the engine before disconnecting
the battery. Take extra care when
connecting the battery if the
engine switch mode prior to the
battery being disconnected is
unknown.
If the system will not start even after
multiple attempts, contact your Toy-
ota dealer.
A

3206-3. Do-it-yourself maintenance
Towing eyelet
Screwdriver
Jack handle (if equipped)
Wheel nut wrench
Jack (if equipped)
Location of the jack and tools
A
C
D
WARNING
■Using the tire jack
Observe the following precau-
tions.
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 installing and removing
tire chains.
●Do not use other tire jacks for
replacing tires on this vehicle.
●Always check that the tire jack
is securely set to the jack point.
●Do not put any part of your body
under the vehicle while it is sup-
ported by the jack.
●Do not start the engine or drive
the vehicle while the 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 neces-
sary to get under the vehicle.
●When lowering the vehicle,
make sure that there is no-one
near the vehicle. If there are
people nearby, warn them
vocally before lowering.