2017 TOYOTA COROLLA ECU

4307-3. Do-it-yourself maintenance
COROLLA_TMMMS_TMMC_U (OM02494U)
WARNING
■Pre-driving check
Check that the hood is fully closed and locked.
If the hood is not locked properly, it may open while the vehicle is in motion
and cause an accident, which may result in death or serious injury.
■After installing the support rod into the slot
Make sure the rod supports the hood securely preventing it from falling
down onto your head or body.
NOTICE
■When closing the hood
Be sure to return the support rod to its clip before closing the hood. Closing
the hood with the support rod not clipped could cause the hood to bend.

4327-3. Do-it-yourself maintenance
COROLLA_TMMMS_TMMC_U (OM02494U)
Set the jack attachment on
the floor jack and position the
jack.
Before raising the vehicle,
make sure that the floor jack
is positioned so that the pro-
trusion on the jack attach-
ment fits securely into the
hole of the jack point.2
3
WARNING
Make sure to set the protrusion on the
jack attachment properly into the hole of
the jack point.
Raising the vehicle with an improperly
positioned floor jack will damage the
vehicle and may cause the vehicle to fall
off the floor jack.

4497-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM02494U)■
If you press the tire pressure warning reset switch accidentally (vehi-
cles with a tire pressure warning system)
If initialization is performed, adjust the tire inflation pressure to the speci-
fied level and initialize the tire pressure warning system again.
■When initialization of the tire pressure warning system has failed
(vehicles with a tire pressure warning system)
Initialization can be completed in a few minutes. However, in the following
cases, the settings have not been recorded and the system will not oper-
ate properly. If repeated attempts to record tire inflation pressure settings
are unsuccessful, have the vehicle inspected by your Toyota dealer.
●When operating the tire pressure warning reset switch, the tire pressure
warning light does not blink 3 times.
●After driving for a certain period of time since the initialization has been
completed, the warning light comes on after blinking for 1 minute.
■Tire pressure warning system certification
For the U.S.A.
FCC ID: HYQ23AAK FCC ID: PAXPMVC010
NOTE:
This device complies with part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
FCC WARNING:
Changes or modifications not expressly approved by the party responsi-
ble for compliance could void the user’s authority to operate the equip-
ment.
For Canada
NOTE:
Operation is subject to the following two conditions: (1) this device may
not cause interference, and (2) this device must accept any interference,
including interference that may cause undesired operation of the device.
NOTE:
L’utilisation de ce dispositif est autorisée seulement aux deux conditions
suivantes : (1) il ne doit pas produire de brouillage, et (2) l’utilisateur du
dispositif doit être prêt à accepter tout brouillage radioélectrique reçu,
même si ce brouillage est susceptible de compromettre le fonctionne-
ment du dispositif.

4727-3. Do-it-yourself maintenance
COROLLA_TMMMS_TMMC_U (OM02494U)■
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by
your Toyota dealer.
●Headlights/daytime running lights (if equipped)
●Daytime running lights (if equipped)
●High mounted stoplight
●Side turn signal lights (if equipped)
●Back-up lights (LED type)
■LED light bulbs
The headlights, daytime running lights, high mounted stoplight, and
back-up
lights (LED type) 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.
WARNING
■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.

4758-1. Essential information
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM02494U)
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, stop 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

4798-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM02494U)
If a tow truck is not available in an emergency, your vehicle may be
temporarily towed using cables or chains secured to the emergency
towing eyelet. This should only be attempted on hard surfaced roads
for at most 50 miles (80 km) at under 18 mph (30 km/h).
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 cables or
chains 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 the 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 with a continuously variable transmission: When the shift
lever cannot be shifted: →P. 185, 190
■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

4818-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM02494U)
NOTICE
■To prevent damage to the vehicle when towing using a wheel-lift type
truck
●Vehicles without a smart key system: Do not tow the vehicle from the rear
when the engine switch is in the “LOCK” position or the key is removed.
The steering lock mechanism is not strong enough to hold the front wheels
straight.
●Vehicles with a smart key system: Do not tow the vehicle from the rear
when the engine switch is off. The steering lock mechanism is not strong
enough to hold the front wheels straight.
●When raising the vehicle, ensure adequate ground clearance for towing at
the opposite end of the raised vehicle. Without adequate clearance, the
vehicle could be damaged while being towed.
■To prevent damage to the vehicle when towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
■To prevent damage to the vehicle during emergency towing
Do not secure cables or chains to the suspension components.

4888-2. Steps to take in an emergency
COROLLA_TMMMS_TMMC_U (OM02494U)
■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. 36)
■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 lamp 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 tem-
perature. In this case, adjusting the tire inflation pressure will turn off the
warning light (after a few minutes).