2022 TOYOTA 4RUNNER check engine

589What 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. 489)
●The brake system warning light is on
Is the parking brake released? ( P. 222)
●The open door warning indicator is on
Are all the doors closed? (P. 110, 130)
Depending on the situation, other types of warning buzzer may a lso sound.
( P. 486, 497)

●Did anyone inside the vehicle open a door during setting the al arm?
The sensor detects it and the alarm sounds. ( P. 80)
To stop the alarm, turn the engine switch to IGNITION ON mode ( vehicles
with a smart key system) 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. 486.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 486, 497.
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds w hen leaving the vehicle
(vehicles with a smart key system)
A warning light turns on or a warning message is displayed

594Alphabetical index
4RUNNER (U)
Driving ...................................... 174Break-in tips .......................... 176
Correct driving posture ........... 30
Driving assist systems .......... 333
Off-road precautions ............. 346
Procedures ........................... 174
Winter drive tips .................... 342
Dynamic radar cruise
control .................................... 268
Eco Driving Indicator .............. 100
EDR (Event data recorder) ........ 10
Electronic key .......................... 104 Battery-saving function ......... 122
If the electronic key does not operate properly ................. 520
Replacing the battery ............ 455
Emergency, in case of
If the electronic key does not operate
properly .............................. 520
If the engine will not start ...... 517
If the vehicle battery is discharged .......................... 523
If the warning buzzer sounds ................................ 486
If the warning light turns on ....................................... 486
If a warning message is displayed......................... 497
If the vehicle is submerged
or water on the road is
rising ................................... 477
If you cannot operate
back door opener ............... 519
If you have a flat tire ............. 502
If you think something is wrong .............................. 484
If your vehicle becomes stuck ................................... 530
If your vehicle has to be stopped in an emergency ... 475 If your vehicle needs
to be towed......................... 478
If your vehicle overheats....... 527
Emergency flashers ................ 474
Engine ACCESSORY mode ............. 211
Compartment ........................ 421
Engine switch ............... 207, 210
Hood ..................................... 420
How to start the engine ........................ 207, 210
Identification number ............ 533
If the engine will not start ...... 517
Ignition switch (engine switch) ........... 207, 210
Overheating .......................... 527
Engine coolant......................... 425
Capacity................................ 536
Checking............................... 425
Preparing and checking before winter ...................... 342
Engine coolant temperature gauge ....................................... 90
Engine immobilizer system ...... 78
Engine oil ................................. 423 Capacity................................ 535
Checking............................... 423
Preparing and checking before winter ...................... 342
Engine switch .................. 207, 210
Event data recorder (EDR)........ 10
Flat tire ..................................... 502
Floor mats .................................. 28
Fluid
Automatic transmission ........ 539
Brake .................................... 539
Power steering...................... 540
Washer ................................. 433
E
F

603Alphabetical index
4RUNNER (U)
Warning buzzersBrake system ....... ................. 486
Downshifting ......................... 219
Intuitive parking assist .......... 288
Key reminder ................ 208, 492
Lane departure alert function ............................... 261
Open door ............................. 488
Open moon roof reminder..... 492
Pre-collision warning............. 250
Seat belt reminder ................ 489
Warning lights............................ 85 ABS....................................... 487
Automatic running boards
indicator light ...................... 488
Brake override system .......... 489
Brake system ....... ................. 486
Center differential lock indicator light ...................... 488
Charging system ................... 486
Drive-Start Control ................ 489
Four-wheel drive indicator light ...................... 488
KDSS .................................... 488
LDA indicator ........................ 490
Low engine oil pressure ........ 486
Low fuel level ........................ 489
Low speed four-wheel drive indicator light ...................... 488
Malfunction indicator lamp .... 487
Master warning light...... 490, 497
Multi-terrain Select indicator light ...................... 488
Open door ............................. 488
PCS ...................................... 490
Power steering ...................... 488
Rear differential lock indicator light ...................... 487
Seat belt reminder light ......... 489 Slip indicator ......................... 487
SRS ...................................... 487
Tire pressure ........................ 490
Unengaged “Park” ................ 488
Warning messages.................. 497
Washer ..................................... 234
Checking............................... 433
Preparing and checking before winter ...................... 342
Switch ........................... 234, 237
Washing and waxing ............... 404
Weight
Cargo capacity...................... 189
Load limits ............................ 189
Weight .................................. 532
Wheels ...................................... 451 Replacing wheels ................. 451
Size....................................... 540
Window glasses ...................... 161
Window lock switch ................ 161
Windows................................... 161 Power back window .............. 165
Power windows..................... 161
Rear window defogger ..................... 354, 361
Washer ......................... 234, 237
Windshield wiper
de-icer ............................ 354, 362
Windshield wipers ........... 234, 237 Intermittent wiper .................. 234
Winter driving tips ................... 342
Wireless remote control key .......................................... 105
Locking/Unlocking ................ 110
Replacing the battery............ 455
W
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.