2015 TOYOTA COROLLA ECU

4717-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM12F00U)
Replace the light bulb, and
install the bulb base.
Align the 3 tabs on the light bulb
with the mounting and insert.
Turn and secure the bulb
base.
Shake the bulb base gently to
check that it is not loose, turn
the headlights on once and visu-
ally confirm that no light is leak-
ing through the mounting.
3
4

4737-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM12F00U)
Turn the bulb base counter-
clockwise.
Install a new light bulb.
Align the 3 tabs on the light bulb
with the mounting and insert.
Turn clockwise and secure the
bulb base.
Install the connector.
Shake the connector gently to
check that it is not loose, turn
the front fog lights on once and
visually confirm that no light is
leaking through the mounting.
When installing the fender liner, install by conducting and
with the directions reversed.
Make sure that the fender liner is attached to the inside of the bumper.
4
5
6
721

4797-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM12F00U)■
Replacing the following bulbs
If any of the lights listed below
has burnt out, have it replaced by
your Toyota dealer.
● Headlight low beams/daytime running lights
● High mounted stoplights
● Side turn signal lights (if equipped)
■LED light bulbs
The high mounted stoplights and headlight low beams/daytime running lights
consist of a number of LEDs. If any of the LEDs burns out, take your vehicle
to your Toyota dealer to have the light replaced.
■ Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not
indicate a malfunction.
Contact your Toyota dealer for more information in the following situations:
●Large drops of water have built up on the inside of the lens.
● Water has built up inside the headlight.
CAUTION
■Replacing light bulbs
● Turn off the lights. Do not attempt to replace the bulb immediately after
turning off the lights.
The bulbs become very hot and may cause burns.
● Do not touch the glass portion of the light bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clean dry cloth
to avoid getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
● Fully install light bulbs and any parts used to secure them. Failure to do so
may result in heat damage, fire, or water entering the headlight unit. This
may damage the headlights or cause condensation to build up on the lens.
■ To prevent damage or fire
Make sure bulbs are fully seated and locked.

4838-1. Essential information
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12F00U)
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase the effort
required to slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the engine.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle
speed as much as possible.
Vehicles without a smart key
system: Stop the engine by
turning the engine switch to the
“ACC” position.
Vehicles with a smart key sys-
tem: To stop the engine, press
and hold the engine switch for 2
consecutive seconds or more,
or press it briefly 3 times or
more in succession.
Stop the vehicle in a safe place by the road.
If your vehicle has to be stopped in an
emergency
Only in an emergency, such as if it becomes impossible to stop
the vehicle in the normal way, st op the vehicle using the follow-
ing procedure:
1
2
3
4
3
4
Press and hold for 2 seconds or
more, or press briefly 3 times or more
4
5

4878-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12F00U)
If a tow truck is not available in an emergency, your vehicle may be
temporarily towed using a cable or chain secured to the emergency
towing eyelet. This should only be attempted on hard surfaced roads
for 50 miles (80 km) at low speeds.
A driver must be in the vehicle to steer and operate the brakes. The
vehicle’s wheels, drive train, axles, steering and brakes must be in
good condition.
Securely attach a cable or
chain to the towing eyelet.
Take care not to damage the vehi-
cle body
Vehicles without a smart key system: Enter the vehicle being towed
and start the engine.
If the engine does not start, turn th e engine switch to the “ON” posi-
tion.
Vehicles with a smart key system : Enter the vehicle being towed
and start the engine.
If the engine does not start, turn the engine switch to IGNITION ON
mode.
Shift the shift lever to N and release the parking brake.
Vehicles without a manual transm ission: When the shift lever can-
not be shifted: P. 527
■While towing
If the engine is not running, the power assist for the brakes and steering will
not function, making steering and braking more difficult.
■ Wheel nut wrench
Wheel nut wrench is stored in the trunk. ( P. 513)
Emergency towing
Emergency towing procedure
1
2
3

4978-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12F00U)
OnceContinuous
(5 seconds)
(Flashes in yel- low)
Smart key system indicator light
An attempt was made to exit the vehicle with
the electronic key and lock the doors without
first turning the engine switch off.
 Turn the engine switch off and lock the
doors again.
Once 
(Flashes in yel-
low for 15 sec- onds)
Smart key system indicator light
Indicates that the electronic key is not present
when attempting to start the engine.
 Confirm the location of the electronic key.
9 times
(Flashes in yel-
low)
Smart key system indicator light
An attempt was made to drive when the regu-
lar key was not inside the vehicle.
 Confirm that the el ectronic key is inside
the vehicle.
Once(Flashes in yel- low for 15 sec-
onds)
Smart key system indicator light
Indicates that the electronic key battery is low.
 Replace the battery.
(P. 463)
Once(Flashes quickly
in green for 15 seconds)
Smart key system indicator light
Indicates that the steering lock has not been
released.
 Release the steering lock. (P. 169)
Once(Flashes in yel-
low for 30 sec- onds)
Smart key system indicator light
• When the doors were unlocked with themechanical key and then the engine switch
was pressed, the electronic key could not be
detected in the vehicle.
• The electronic key could not be detected in the vehicle even after the engine switch was
pressed two consecutive times.
 Vehicles with a continuously variable
transmission: Touch the electronic key to
the engine switch while depressing the
brake pedal.
Vehicles with a manual transmission:
Touch the electronic key to the engine
switch while depressing the clutch pedal.
Interior
buzzerExterior buzzerWarning lightWarning light/Details/Action

4988-2. Steps to take in an emergency
COROLLA_TMMMS_TMMC_U (OM12F00U)
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (front), side
impact sensors (rear), driver’s seat belt buckle switch, front passenger occu-
pant classification system, “AIR BAG ON” indicator light, “AIR BAG OFF” indi-
cator light, front passenger’s seat belt buckle switch, seat belt pretensioners
(front), airbags, interconnecting wiring and power sources. ( P. 3 5 )
■ Front passenger detection sensor, seat belt reminder and warning
buzzer
If luggage is placed on the front passenger seat, the front passenger detec-
tion sensor may cause the warning light to flash and the warning buzzer to
sound even if a passenger is not sitting in the seat.
■ If the malfunction indicator la mp comes on while driving
First check the following:
● Is the fuel tank empty?
If it is, fill the fuel tank immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
■
When the tire pressure warning light comes on (vehicles with a tire
pressure warning system)
Check the tire inflation pressure and adjust to the appropriate level. Push-
ing the tire pressure warning reset switch will not turn off the tire pressure
warning light.
■The tire pressure warning light may come on due to natural causes
(vehicles with a tire pressure warning system)
The tire pressure warning light may come on due to natural causes such
as natural air leaks and tire inflation pressure changes caused by temper-
ature. In this case, adjusting the ti re inflation pressure will turn off the
warning light (after a few minutes).

5108-2. Steps to take in an emergency
COROLLA_TMMMS_TMMC_U (OM12F00U)
Once
(Vehicles with a continuously variable transmission)
• When the doors were
unlocked with the mechanical
key and then the engine
switch was pressed, the elec-
tronic key could not be
detected in the vehicle.
• The electronic key could not be detected in the vehicle
even after the engine switch
was pressed two consecu-
tive times.
 Touch the electronic key to
the engine switch while
depressing the brake
pedal.
(Vehicles with a manual transmission)
• When the doors were
unlocked with the mechanical
key and then the engine
switch was pressed, the elec-
tronic key could not be
detected in the vehicle.
• The electronic key could not
be detected in the vehicle
even after the engine switch
was pressed two consecu-
tive times.
 Touch the electronic key to
the engine switch while
depressing the clutch
pedal.
Interior
buzzerExterior
buzzerWarning messageDetails/Actions
(Flashes)
(Flashes)