ECU TOYOTA COROLLA 2016 11.G Repair Manual

4857-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM12J84U)n
Replacing the following bulbs
If any of the lights listed below
has burnt out, have it replaced by
your Toyota dealer.
l Headlight low beams/daytime running lights
l High mounted stoplights
l Side turn signal lights (if equipped)
nLED 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.
n 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:
lLarge drops of water have built up on the inside of the lens.
l Water has built up inside the headlight.
CAUTION
n Replacing light bulbs
lTurn 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.
l 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.
l 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.
n To prevent damage or fire
Make sure bulbs are fully seated and locked.

4898-1. Essential information
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)
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

4938-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)
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 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. 534
nWhile towing
If the engine is not running, the power assist for the brakes and steering will
not function, making steering and braking more difficult.
n Wheel nut wrench
Wheel nut wrench is stored in the trunk. ( P. 520)
Emergency towing
Emergency towing procedure
1
2
3

4958-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)
NOTICE
nTo prevent damage to the vehicle when towing using a wheel-lift type
truck
lVehicles 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.
l 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.
l 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.
n To prevent damage to the vehicle wh en towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
n To prevent damage to the vehic le during emergency towing
Do not secure cables or chains to the suspension components.

5048-2. Steps to take in an emergency
COROLLA_TMMMS_TMMC_U (OM12J84U)
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. 469)
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. 173)
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

5058-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)
nSRS 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 )
n 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.
n If the malfunction indicator la mp comes on while driving
First check the following:
l Is the fuel tank empty?
If it is, fill the fuel tank immediately.
l 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.
n
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.
nThe 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).

5178-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)
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)

5238-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)
Take out the jack.For tightening
For loosening
Remove the luggage floor cover. ( P. 522)
Remove the tool tray.
Loosen the center fastener that
secures the spare tire.2
1
2
Taking out the spare tire
1
2
3
CAUTION
nWhen storing the spare tire
Be careful not to catch fingers or other body parts between the spare
tire and the body of the vehicle.

5308-2. Steps to take in an emergency
COROLLA_TMMMS_TMMC_U (OM12J84U)
CAUTION
nWhen using the compact spare tire
lRemember that the compact spare tire provided is specifically
designed for use with your vehicle. Do not use your compact spare tire
on another vehicle.
lDo not use more than one compact spare tires simultaneously.
lReplace the compact spare tire with a standard tire as soon as possi-
ble.
lAvoid sudden acceleration, abrupt steering, sudden braking and shift-
ing operations that cause sudden engine braking.
nWhen the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following sys-
tems may not operate correctly:
nSpeed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact
spare tire is installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Fail-
ure to observe this precaution may lead to an accident causing death or
serious injury.
nAfter using the tools and jack
Before driving, make sure all the tools and jack are securely in place in
their storage location to reduce the po ssibility of personal injury during a
collision or sudden braking.
• ABS & Brake assist
• VSC
•TRAC
• Cruise control (if equipped) • EPS
• Rear view monitor system (if
equipped)
• Navigation system (if equipped)

5749-1. Specifications
COROLLA_TMMMS_TMMC_U (OM12J84U)
*: Table 1  Occupant loading and distribution for vehicle normal load for
various designated seating capacities
Section width
The linear distance between the exteriors of
the sidewalls of an inflated tire, excluding ele-
vations due to labeling, decoration, or protec-
tive bands
SidewallThat portion of a tire between the tread and
bead
Sidewall separationThe parting of the rubber compound from the
cord material in the sidewall
Snow tire
A tire that attains a traction index equal to or
greater than 110, compared to the ASTM E-
1136 Standard Reference Test Tire, when
using the snow traction test as described in
ASTM F-1805-00, Standard Test Method for
Single Wheel Driving Traction in a Straight
Line on Snow-and Ice-Covered Surfaces, and
which is marked with an Alpine Symbol ( )
on at least one sidewall
Test rim
The rim on which a tire is fitted for testing, and
may be any rim listed as appropriate for use
with that tire
TreadThat portion of a tire that comes into contact
with the road
Tread ribA tread section running circumferentially
around a tire
Tread separationPulling away of the tread from the tire carcass
Treadwear indicators
(TWI)The projections within the principal grooves
designed to give a visual indication of the
degrees of wear of the tread
Wheel-holding fixtureThe fixture used to hold the wheel and tire
assembly securely during testing
Tire related termMeaning