ignition TOYOTA 4RUNNER 2023 Workshop Manual

579What to do if... (Troubleshooting)
4RUNNER (U)
●Did you press the engine switch while firmly depressing the brake pedal?
( P. 199)
●Is the shift lever in P? ( P. 202)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 114)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 513)
●Is the battery discharged? (P. 515)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake p edal with the
engine switch in IGNITION ON mode. ( P. 208)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. ( P. 155)
●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 peri od of
time. ( P. 201)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress
the brake pedal
The windows do not open or close by operating the power
window switches
The engine switch is tur ned off automatically

580What to do if... (Troubleshooting)
4RUNNER (U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
(P. 480)
●The brake system warning light is on
Is the parking brake released? ( P. 2 1 1 )
●The open door warning indicator is on
Are all the doors closed? (P. 106, 124)
Depending on the situation, other types of warning buzzer may a lso sound.
( P. 477, 488)

●Did anyone inside the vehicle open a door during setting the al arm?
The sensor detects it and the alarm sounds. ( P. 79)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display.
●When a warning light turns on, refer to P. 477.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 477, 488.
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds w hen leaving the vehicle
A warning light turns on or a warning message is displayed

585Alphabetical index
4RUNNER (U)
Driving ...................................... 166Break-in tips .......................... 168
Correct driving posture ........... 30
Driving assist systems .......... 322
Off-road precautions ............. 335
Procedures ........................... 166
Winter drive tips .................... 331
Dynamic radar cruise
control .................................... 257
Eco Driving Indicator ................ 98
EDR (Event data recorder) ........ 10
Electronic key .......................... 102 Battery-saving function ......... 116
If the electronic key does not operate properly ................. 512
Replacing the battery ............ 447
Emergency, in case of
If the electronic key does not operate
properly .............................. 512
If the engine will not start ...... 509
If the vehicle battery is discharged .......................... 515
If the warning buzzer sounds ................................ 477
If the warning light turns on ....................................... 477
If a warning message is displayed......................... 488
If the vehicle is submerged
or water on the road is
rising ................................... 468
If you cannot operate
back door opener ............... 511 If you have a flat tire ............. 493
If you think something
is wrong .............................. 475
If your vehicle becomes stuck ................................... 522
If your vehicle has to be stopped in an emergency ... 467
If your vehicle needs
to be towed......................... 469
If your vehicle overheats....... 519
Emergency flashers ................ 466
Engine
ACCESSORY mode ............. 200
Compartment ........................ 413
Engine switch ....................... 199
Hood ..................................... 412
How to start the engine......... 199
Identification number ............ 525
If the engine will not start ...... 509
Ignition switch (engine switch) ................... 199
Overheating .......................... 519
Engine coolant......................... 417
Capacity................................ 528
Checking............................... 417
Preparing and checking before winter ...................... 331
Engine coolant temperature gauge ....................................... 88
Engine immobilizer system ...... 78
Engine oil ................................. 415
Capacity................................ 527
Checking............................... 415
Preparing and checking before winter ...................... 331
Engine switch .......................... 199
Event data recorder (EDR)........ 10
E

587Alphabetical index
4RUNNER (U)
Head restraints ........................ 146
Headlights ................................ 212Automatic High Beam system ......... ....................... 217
Light switch ........................... 212
Replacing light bulbs..... 455, 463
Wattage ................................ 533
Heaters Air conditioning system ....... ................. 342, 349
Outside rear view mirrors ....................... 344, 351
Seat heaters ......................... 357
Hill-start assist control............ 323
Hood ......................................... 412
Hooks Cargo hooks ......................... 370
Cargo net hooks ................... 371
Grocery bag hooks ............... 373
Retaining hooks (floor mat)..... 28
Horn .......................................... 149 I/M test ...................................... 408
Identification
Engine .................................. 525
Vehicle .................................. 525
Ignition switch (engine switch) ...................... 199
Illuminated entry system ........ 362
Immobilizer system ................... 78
Indicators ................................... 85
Initialization
Maintenance ......................... 404
Moon roof ............................. 163
Power back window .............. 159
Power windows..................... 156
Inside rear view mirror ............ 151
Instrument panel light control ...................................... 89
Interior lights ........................... 360
Intuitive parking assist ........... 277
HI

592Alphabetical index
4RUNNER (U)
Shift lock system ..................... 207
Side airbags ............................... 37
Side marker lights ................... 212Light switch ........................... 212
Replacing light bulbs............. 458
Wattage ................................ 533
Side mirrors ............................. 153 Adjusting and folding ............ 153
Side turn signal lights ............. 210
Slide deck ................................. 373
Smart key system .................... 113 Antenna location ................... 113
Entry functions ...................... 106
Starting the engine................ 199
Snow tires ................................ 334
Spare tire .................................. 493 Inflation pressure .................. 532
Storage location .................... 494
Spark plug ................................ 528
Specifications .......................... 524
Speedometer .............................. 88
Steering wheel ......................... 149 Adjustment ............................ 149
Storage feature ........................ 363
Storage precautions ................ 179
Stuck If the vehicle becomes
stuck ................................... 522
Sun visors ................................ 375 Switches
Automatic High Beam
switch ................................. 217
Cruise control switch ............ 257
Door lock switches................ 108
Driving position memory switches ............................. 142
Emergency flashers switch ... 466
Engine switch ....................... 199
Fog light switch ..................... 221
Garage door opener
switches ............................. 387
Ignition switch ....................... 199
LDA (Lane Departure Alert) switch ................................. 249
Light switches ....................... 212
Moon roof switches............... 161
Outside rear view mirror switches ............................. 153
Power back window
switch ................................. 158
Power door lock switch ......... 108
Power window switches........ 155
Rear window and outside rear view mirror defoggers
switch ......................... 344, 351
Rear window wiper and
washer switch..................... 226
Seat heater switches ............ 357
Seat ventilator switches ........ 357
“SOS” button........................... 72
Telephone switches
*
VSC OFF switch ................... 324
Window lock switch .............. 155
Windshield wipers and washer switch.............. 223