2023 TOYOTA COROLLA check engine light

3807-2. Steps to take in an emergency
The battery terminal connec-
tions may be loose or cor-
roded. ( P.308)
The engine starting system may
be malfunctioning due to an
electrical problem such as elec-
tronic key battery depletion or a
blown fuse. However, an interim
measure is available to start the
engine. ( P.380)
One of the following may be the
cause of the problem:
 The battery may be dis-
charged. ( P.383)
 One or both of the battery ter-
minals may be disconnected.
( P.308)
 Vehicles without a smart key
system: There may be a mal-
function in the steering lock
system.
Contact your Toyot a dealer if the
problem cannot be repaired, or if
repair procedures are unknown.
When the engine does not start,
the following steps can be used
as an interim measure to start
the engine if the engine switch is
functioning normally.
Do not use this starting proce-
dure except in case of emer-
gency.
1 Set the parking brake.
( P.168)
2 Check that the shift lever is in
P.
3 Turn the engine switch to
ACC
*.
4 Press and hold the engine
switch for about 15 seconds
while depressing the brake
pedal firmly.
Even if the engi ne can be started
using the above steps, the system
may be malfunctioning. Have the
vehicle inspected by your Toyota
dealer.
*: ACC mode can be enabled/dis- abled on the customize menu.
( P.412)
The starter motor does
not turn over (vehicles
with a smart key system)
The starter motor does
not turn over, the interior
lights and headlights do
not turn on, or the horn
does not sound.
Emergency start function
(vehicles with a smart key
system)

438What to do if... (Troubleshooting)
Unlock the doors.
 Turn the engine switch to
ACC or ON, or start the
engine. (The alarm will be
deactivated or stopped after a
few seconds.)
 Is the electronic key left inside
the vehicle?
Check the message on the
multi-information display. ( P.366)
 When a warning light turns on
or a warning message is dis-
played, refer to P.356, 366.
 Stop the vehicle in a safe
place and replace the flat tire
with the spare tire. ( P.370)
 Try the procedure for when
the vehicle becomes stuck in
mud, dirt, or snow. ( P.389)
A warning buzzer sounds
when leaving the vehicle
( v e h i c l e s w i t h a s m a r t k e y
system)
A warning light turns on
or a warning message is
displayed
When a problem has
occurred
If you have a flat tire
The vehicle becomes
stuck

442Alphabetical Index
If your vehicle has to be stopped in an emergency................. 348
Ignition switch (engine switch) ................................... 154, 155
Overheating.......................... 387
Tachometer ............................ 86
Engine coolant Capacity ............................... 395
Checking .............................. 306
Preparing and c hecking before
winter.................................. 253
Engine coolant temperature gauge................................. 86, 89
Engine immobilizer system ..... 77
Engine oil Capacity ............................... 394
Checking .............................. 304
Preparing and c hecking before
winter.................................. 253
Warning light ........................ 357
Engine switch ................. 154, 155 Auto power off function ........ 159
Changing the engine switch modes ................................ 158
If your vehicle has to be stopped in an emergency................. 348
Enhanced VSC ........................ 249
EPS (Electric Power Steering) ............................................... 249Warning light ........................ 358
Event data recorder (EDR)......... 8
F
Flat tire Tire pressure warning system........................................... 313
Vehicles with a spare tire ..... 370
Floor mats ................................. 24
Fluid Brake .................................... 396
Continuously variable transmis-sion..................................... 396 Washer .................................310
Front passenger occupant clas- sification system ....................41
Front seats Adjustment ...........................125
Cleaning ...............................291
Correct driving posture ...........25
Head restraints .....................128
Seat heaters ....... ..................269
Front side marker lights Light switch...........................173
Replacing light bulbs ............342
Wattage ................................398
Front turn signal lights Replacing light bulbs ............341
Turn signal lever ...................167
Wattage ................................398
Front turn signal/parking lights Replacing light bulbs ............341
Fuel Capacity ...............................393
Fuel gauge .......................86, 89
Fuel pump shut off system ...355
Information ......... ..................399
Refueling ..............................180
Type......................................393
Warning light.........................359
Fuel consumption Average fuel economy ......93, 98
Current fuel consumption .93, 98
Fuel economy .....................93, 98
Fuel filler door Refueling ..............................180
Fuel gauge...........................86, 89
Fuel pump shut off system ....355
Fuses .......................................336
G
Gauges ................................86, 89
Glove box ................................274
Glove box light........................274

448Alphabetical Index
Tail lightsLight switch .......................... 173
Replacing light bulbs ............ 341
Theft deterrent system Alarm ...................................... 78
Engine immobilizer system .... 77
Tire inflation pre ssure............ 328
Maintenance data................. 397
Warning light ........................ 360
Tire information ...................... 401 Glossary ............................... 405
Size ...................................... 403
Tire identification number ..... 403
Uniform Tire Quality Grading 404
Tire pressure warning system Function ............................... 313
Installing tire pressure warning valves and transmitters ...... 315
Registering ID codes ............ 322
Registration of the position of each wheel ......................... 316
Setting the tire pressure ....... 318
Warning light ........................ 360
Tires Chains .................................. 254
Checking .............................. 311
If you have a flat tire ............. 370
Inflation pressure.................. 328
Information ........................... 401
Replacing ............................. 370
Rotating tires ........................ 313
Size ...................................... 397
Snow tires ............................ 253
Spare tire.............................. 370
Tire pressure warning system........................................... 313
Warning light ........................ 360
Tools ........................................ 371
Top tether strap ........................ 68
Total load capacity ................. 392
To w i n g Dinghy towing....................... 153 Emergency towing ................351
Towing eyelet........................353
Trailer towing ......
..................152
Toyota Safety Sense AHB (Automatic High Beam) 175
Cruise control .......................227
Dynamic radar cruise control 219
Emergency Driving Stop System...........................................230
LDA (Lane Departure Alert) ..206
LTA (Lane Tracing Assist) .....201
PCS (Pre-Collisio n System) .190
RSA (Road Sign Assist) ........217
Toyota Safety Sense 3.0[Toyota Safety Sense 3.0]PDA (Proactive driving assist) [PDA (Proactive driving assist)]........................................... 211
TRAC (Traction Control) ........249
Traction Control (TRAC) ........249
Trailer towing ..........................152
Transmission Continuously variable transmis-sion .............................160, 162
Driving mode select switch ...247
If th e s hif t le ver ca n no t b e s hif te d from P .........................161, 164
M mode ................................165
Paddle shift switches ....164, 165
Trip meters ..........................87, 90
Trunk ........................................ 117 Internal trunk rele ase lever ... 119
Smart key system ................. 118
Trunk light ............................. 119
Trunk opener ........................ 118
Wireless remote control........ 118
Trunk light ............................... 119 Wattage ................................398
Turn signal lights Replacing light bulbs ............341
Turn signal lever ...................167
Wattage ................................398

449Alphabetical Index
U
USB charging port.................. 277
V
Vanity lights ............................ 284Wattage ................................ 398
Vanity mirrors ......................... 284
Vehicle data recording ............... 6
Vehicle identifi cation number392
Vehicle information display ... 95, 100
Vehicle Stability Control (VSC) ............................................... 248
VSC (Vehicle Stability Control) ............................................... 248
W
Warning buzzers ABS ...................................... 358
Airbags ................................. 357
Approach warning ................ 226
Brake hold ............................ 363
Brake Override System ........ 358
Brake system ....................... 356
Charging system .................. 357
Downshifting......................... 166
Drive-Start Control ............... 358
Electric power steering ......... 358
Engine .................................. 357
High coolant temperature ..... 356
Key reminder ........................ 155
LDA (Lane Departure Alert) 206, 361
Low engine oil pressure ....... 357
LTA (Lane Tracing Assist) ... 201, 361
Open door .................... 113, 116
PDA (Proactive Driving Assist) ........................................... 361
Seat belt ....................... 359, 360 Warning lights .........................356
ABS ......................................358
Brake hold operated indicator...........................................363
Brake Override System ........358
Brake system ........................356
Charging system ..................357
Cruise control indicator.........362
Drive-Start Control ................358
Driving assist information indica- tor .......................................362
Dynamic radar cruise control indicator ..............................361
Electric power steering .........358
High coolant temperature .....356
LDA indicator ........................361
Low engine oil pressure .......357
Low fuel level........................359
LTA indicator .........................361
Malfunction indica tor lamp ....357
Parking brake indicator.........363
PDA indicator........................361
Pre-collision syst em .............361
Seat belt reminder light 359, 360
Slip indicator .........................362
SRS ......................................357
Tire pressure ...... ..................360
Warning messages .................366
Washer Checking ..............................310
Preparing and checking before winter ..................................253
Switch ...................................178
Washing and waxing ..............288
Weight Cargo capacity .....................152
Load limits ............................152
Wheels .....................................330 Replacing .............................330
Size ......................................397
Window lock switch ...............136