2017 TOYOTA COROLLA check engine

594
COROLLA_TMMMS_TMMC_U (OM02494U)
What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your keys or mechanical keys, new genuine keys or mechanical
keys can be made by your Toyota dealer. (→P. 106)
●If you lose your keys or electronic keys, the risk of vehicle theft increases
significantly. Contact your Toyota dealer immediately. (→P. 109)
●Is the key battery weak or depleted? (→P. 459)
●Vehicles with a smart key system:
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (→P. 178)
●Vehicles with a smart key system:
Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of the radio
wave. (→P. 127)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is
set. Open the rear door from outside and then unlock the child-protector
lock. (→P. 1 1 4 )
●The function to prevent the electronic key from being left inside the trunk
will operate and you can open the trunk as usual. Take the key out from the
trunk. (→P. 121)
If you have a problem, check the following before contacting
your Toyota dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened
The trunk lid is closed with the electronic key left inside
(vehicles with a smart key system)

597What to do if... (Troubleshooting)
COROLLA_TMMMS_TMMC_U (OM02494U)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. (→P. 179)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (→P. 485)
●The brake system warning light is on
Is the parking brake released? (→P. 194)
Depending on the situation, other types of warning buzzer may also sound.
(→P. 484, 493)
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. (→P. 493)

●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (→P. 70)
Vehicles without a smart key system
To stop the alarm, turn the engine switch to the “ON” position or start the
engine.
Vehicles with a smart key system
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 484, 493.
The engine switch is turned off automatically
(vehicles with a smart key system)
A warning buzzer sounds during driving
A warning buzzer sounds when leaving the vehicle
(vehicles with a smart key system)
An alarm is activated and the horn sounds
(vehicles with an alarm)
A warning light turns on or a warning message or indicator
is displayed

602Alphabetical index
COROLLA_TMMMS_TMMC_U (OM02494U)
Emergency flashers ................ 474
Engine....................................... 544
ACCESSORY mode ............. 178
Compartment ........................ 433
Engine switch................ 173, 176
Hood ..................................... 429
How to start the
engine......................... 173, 176
Identification number ............ 543
If the engine will not start ...... 525
Ignition switch
(engine switch) ........... 173, 176
Overheating .......................... 535
Engine coolant ......................... 437
Capacity ................................ 546
Checking ............................... 437
Preparing and checking
before winter....................... 268
Engine coolant temperature
gauge.................................. 79, 88
Engine immobilizer system ...... 67
Engine oil ................................. 434
Capacity ................................ 544
Checking ............................... 434
Preparing and checking
before winter....................... 268
Engine switch .................. 173, 176
Entune Audio ........................... 277
Audio input ............................ 276
AUX port/USB
port ..................................... 276
Bluetooth
® audio................... 324
CD player .............................. 294
iPod....................................... 300
MP3/WMA disc ..................... 294
Optimal use........................... 291
Portable music player ........... 276
Radio .................................... 292
Steering wheel audio
switch ................................. 342
USB memory ........................ 305
Entune Audio Plus
*
Entune Premium Audio*
EPS
(Electric Power Steering) ..... 262
Function ................................ 262
Warning light......................... 485
Flat tire
Vehicles with a spare tire...... 513
Floor mats .................................. 24
Fluid
Brake .................................... 549
Continuously variable
transmission ....................... 548
Washer ................................. 443
Front interior light ................... 389
Front passenger occupant
classification system .............. 47
Front seats ............................... 132
Adjustment............................ 132
Cleaning ............................... 415
Correct driving posture ........... 26
Head restraints ..................... 136
Seat heaters ......................... 387
Front turn signal lights ........... 193
Replacing light bulbs ............ 468
Turn signal lever ................... 193
Wattage ................................ 551
Fuel ........................................... 206
Capacity................................ 544
Fuel gauge........................ 79, 88
Fuel pump shut off system ... 483
Information............................ 552
Refueling .............................. 206
Type.............................. 544, 552
Warning light......................... 485
Fuel filler door ......................... 206
Refueling .............................. 206
Fuel pump shut off system..... 483
Fuses ........................................ 462
F

609Alphabetical index
COROLLA_TMMMS_TMMC_U (OM02494U)
Tachometer .......................... 79, 88
Tail lights .................................. 195
Light switch ........................... 195
Replacing light bulbs............. 469
Wattage ................................ 551
Talk switch
*............................. 363
Telephone
switches
*............................... 342
Theft deterrent system
Alarm ...................................... 70
Engine immobilizer system ..... 67
Tire inflation pressure ............. 452
Maintenance data ................. 550
Warning light ......................... 486
Tire information ....................... 555
Glossary................................ 562
Size ....................................... 558
Tire identification number ..... 557
Uniform Tire Quality
Grading............................... 560
Tire pressure warning
system .................................... 445
Function ................................ 445
Initializing .............................. 445
Installing tire pressure warning
valves and transmitters ...... 445
Registering ID codes ............ 447
Tire pressure warning reset
switch ................................. 446
Warning light ......................... 486Tires .......................................... 444
Chains .................................. 270
Checking............................... 444
If you have a flat tire ............. 513
Inflation pressure .................. 550
Replacing.............................. 513
Rotating tires ........................ 444
Size....................................... 550
Snow tires ............................. 271
Spare tire .............................. 513
Tire pressure warning
system ................................ 445
Warning light......................... 486
Tools ......................................... 514
Top tether strap ......................... 63
Total load capacity .................. 168
Towing
Dinghy towing ............... 170, 171
Emergency towing ................ 477
Towing eyelet ....................... 477
Trailer towing ........................ 169
Toyota Safety Sense P ............ 209
Automatic High Beam ........... 200
Dynamic radar cruise
control ................................ 240
LDA (Lane Departure
Alert with steering
control) ............................... 230
PCS (Pre-Collision
System) .............................. 216
T
*: For vehicles with Entune Premium Audio or Entune Audio Plus,
refer to the “NAVIGATION AND MULTIMEDIA SYSTEM
OWNER'S MANUAL”.