2021 TOYOTA RAV4 check engine

726What to do if... (Troubleshooting)
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your keys or
mechanical keys, new genu-
ine keys or mechanical keys
can be made by your Toyota
dealer. ( P.664)
 Vehicles with smart key sys-
tem:
If you lose your electronic
keys, the risk of vehicle theft
increases significantly. Con-
tact your Toyota dealer imme-
diately. ( P.664)
 Is the key battery weak or
depleted? ( P.613)
 Vehicles with smart key sys-
tem:
Is the engine switch in ON?
When locking the doors, turn
the engine switch to OFF.
( P.199) 
Vehicles with smart key sys-
tem:
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.105,
130)
 Is the child-protector lock set?
The rear door cannot be
opened from inside the vehi-
cle when the lock is set. Open
the rear door from outside
and then unlock the child-pro-
tector lock. ( P.114)
 Is the shift lever in P?
( P.195)
 Is the battery discharged?
( P.666)
 Did you press the engine
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
If you think something is
wrong
The engine does not start
(vehicles without smart
key system)
The engine does not start
(vehicles with smart key
system)

728What to do if... (Troubleshooting)
may also sound. (P.638, 649)
 Did anyone inside the vehicle
open a door during setting the
alarm?
The sensor detects it and the
alarm sounds. ( P.73)
To stop the alarm, turn the engine
switch to ON or start the engine.
 Is the message displayed on
the multi-information display?
Check the message on the
multi-information display.
( P.649)
 When a warning light turns on
or a warning message is dis-
played, refer to P.638, 649.
 Stop the vehicle in a safe
place and replace the flat tire
with the spare tire. ( P.653)
Try the procedure for when
the vehicle becomes stuck in
mud, dirt, or snow. ( P.672)
An alarm is activated and
the horn sounds (if
equipped)
A warning buzzer sounds
when leaving the vehicle
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

Alphabetical Index731
control ............................ 84, 88
BSM (Blind Spot Monitor) ...... 264 Blind Spot Monitor function .. 268
Rear Cross Traffic Alert function........................................... 270
C
Care Aluminum wheels ................. 566
Exterior ................................. 566
Interior .................................. 569
Seat belts ............................. 569
Cargo capacity ............... 177, 180
Cargo hooks ........................... 539
Chains ..................................... 373
Child-protectors ..................... 114
Child restraint s ystem ............. 50
Fixed with a LATCH system ... 59
Fixed with a seat belt ............. 54
Front passenger occupant clas- sification system ................... 43
Points to remember ................ 50
Riding with children ................ 49
Types of child restraint system installation met hod ............... 52
Using an anchor bracket ........ 61
Child safety ............................... 49 Airbag precautions ................. 38
Back door precautions ......... 115
Battery precautions ...... 588, 669
Child restraint system............. 52
Heated steering wheel and seat
heater precautions ............. 529
How your child should wear the seat belt................................ 30
Moon roof precau tions ......... 162
Panoramic moon roof precau- tions.................................... 166
Power window lock switch.... 160
Power window precautions .. 159
Rear door child-protectors.... 114
Seat belt extender precautions .............................................30
Seat belt precautions..............29
Seat heater precautions .......529
Cleaning ..........................566, 569 Aluminum wheels .................566
Exterior .................................566
Interior ..................................569
Radar sensor ........................227
Seat belts .............................569
Clock ....................................84, 88
Coat hooks ..............................556
Condenser ............. ..................585
Connected Service s ...............501
Console box ............................536
Consumption screen ................99
Coolant Checking ..............................584
Preparing and checking before winter ..................................371
Warning light ........................639
Cooling system .......................584 Engine overheating ..............670
Cruise control (Dynamic radar
cruise control with full-speed
range).....................................253
Cup holders.............................536
Current fuel consumption........99
Current fuel economy ..............91
Curtain shield airbags ..............33
Customizable featu res ...........700
D
Daytime running light system212
Replacing light bulbs ............619
DCM .................502, 504, 505, 508
Deck board ..............................539
Defogger Outside rear view mirrors ...517, 524
Rear window.................517, 524
Windshield ....................517, 524
Differential ...............................681

Alphabetical Index733
If the electronic key does not operate properly ................. 664
If the engin e will not start ..... 662
If the vehicle battery is dis- charged .............................. 666
If the vehicle is trapped in rising water .................................. 629
If you have a flat tire ............. 653
If you lose your keys ............ 664
If you think something is wrong ........................................... 636
If your vehicle becomes stuck ........................................... 672
If your vehicle has to be stopped in an emergency................. 628
If your vehicle needs to be towed ........................................... 631
If your vehicle overheats ...... 670
Emergency flashers ............... 628
Engine ACC.............................. 195, 199
Compartment ....................... 582
Engine switch ............... 195, 196
Fuel pump shut off system ... 637
Hood..................................... 579
How to start the engine 195, 196
Identification number ............ 678
If the engin e will not start ..... 662
If your vehicle has to be stopped in an emergency................. 628
Ignition switch (Engine switch) ................................... 195, 196
Overheating.......................... 670
Tachometer ...................... 82, 85
Engine coolant Capacity ............................... 680
Checking .............................. 584
Preparing and c hecking before
winter.................................. 371
Warning light ........................ 639
Engine coolant temperature gauge................................. 82, 85 Engine immobilizer system .....70
Engine oil
Capacity ...............................678
Checking ..............................582
Preparing and checking before winter ..................................371
Warning light ........................639
Engine switch .................195, 196 Auto power off fun ction.........200
Changing the engine switch modes.................................199
Changing the engine switch positions .............................195
If your vehicle has to be stopped in an emergency .................628
Enhanced Vehicle Stability Con- trol (Enhanced VSC ) .............364
Enhanced VSC (Enhanced Vehi- cle Stability Control).............364
Entering letters and numbers/list screen operation...................389Entering letters and numbers389
List screen ............................390
EPS (Electric Po wer Steering)
Function................................364
Warning light ........................640
Establishing an Android Auto connection .......... ..................412
Establishing an Apple CarPlay connection .......... ..................411
Event data recorder (EDR) .......10
F
Flat tire.....................................653 Tire pressure warning system...........................................592
Floor mats .................................26
Fluid Automatic transm ission ........681
Brake ............................585, 682
Washer .................................588
FM ............................................429

Alphabetical Index737
Mud & Sand mode .................. 357
Multi-information displayAudio system-linked display ... 93
Changing the display.............. 90
Display contents ..................... 89
Driving informatio n display ..... 91
Driving support system informa- tion display ........................... 93
Dynamic radar cruise control with full-speed range .......... 253
Eco Driving Indicator .............. 92
Intuitive parking assist-sensor ........................................... 273
Language ....................... 96, 701
LTA (Lane-Tracing Assist) ... 246
Menu icons ............................. 90
Meter control switches ........... 90
Navigation system-linked display ............................................. 93
PCS (Pre-Collision System) . 232
Pop-up display ....................... 96
Settings .......................... 94, 701
Suggestion function................ 98
Tire pressure ........................ 592
Units ............................... 96, 701
Vehicle information display .... 93
Warning message display ...... 98
Warning messages .............. 649
Multi-terrain Select ................. 357
N
Navigation system-linked display ................................................. 93
Noise from under vehicle .......... 8
Normal mode .................. 355, 358
O
Odometer ............................ 82, 85
Odometer and trip meter display “ODO TRIP” switch .......... 84, 88
“ODO TRIP”switch ............. 84, 88 Oil
Engine oil..............................678
Rear differential oil ...............681
Transfer oil ...........................681
Opener Back door .....................117, 119
Fuel filler door.......................224
Hood .....................................579
Outer foot lights Replacing light bulbs ............619
Wattage ................................682
Outside rear view mirrors ......156 Adjusting and folding ............156
BSM (Blind Spot M onitor) .....265
Outside rear view mirror defog- gers ............................517, 524
Outside temperature display ...............................83, 87
Overheating.............................670
P
Panic mode .............................105
Panoramic moon roof Jam protection function ........165
Operation..............................164
Warning message . ...............166
Panoramic view monitor ........317 Camera switch......................319
Checking around the vehicle 322
Checking the front and around the vehicle ..........................323
Checking the rear and around the vehicle ..........................328
Checking the sides of the vehicle ...........................................325
Customizing the panoramic view
monitor ...............................336
Display..................................319
Driving precautions ...............317
How to switch the display .....320
Magnifying function ..............336
Panoramic view monitor precau-

742Alphabetical Index
switch ................................. 253
VSC OFF switch................... 365
Window lock switch .............. 160
Windshield defogger switch ......................... 517, 524
Windshield wipers and washer switch ................................. 218
T
Tachometer ......................... 82, 85
Tail lights Light switch .......................... 211
Replacing light bulbs ............ 619
Talking on the Bluetooth
®
hands-free system ............... 480 Call screen operation ........... 480
Incoming call waiting ............ 482
Sending tones ...................... 481
Transmit volume setting ....... 481
Theft deterrent system Alarm ...................................... 73
Engine immobilizer system .... 70
Tire inflati on pressure
Maintenance data................. 682
Tire inflation pressure display function............................... 592
Warning light ........................ 644
Tire information ...................... 690 Glossary ............................... 694
Size ...................................... 692
Tire identification number ..... 691
Tire section names ............... 692
Tire pressure warning system Function ............................... 592
Initializing ............................. 598
Installing tire pressure warning valves and transmitters ...... 597
Registering ID codes ............ 601
Warning light ........................ 644
Tires ......................................... 589 Chains .................................. 373 Checking ..............................589
Glossary ...............................694
If you have a flat tire .............653
Inflation pressure
..................604
Information ......... ..................690
Replacing .............................653
Rotating tires ........................591
Size ......................................682
Snow tires.............................371
Spare tire ..............................653
Tire identification number .....691
Tire inflation pressure display function ...............................592
Tire pressure warning system ...........................................592
Uniform Tire Qua lity Grading 693
Warning light ........................644
Tools ........................................654
Top tether strap ........................61
Total load capacity .........177, 180
Touch screen ..........................386 Touch screen gestures .........386
Touch screen operation........387
Towing Dinghy towing .......................193
Emergency towing ................634
Towing eyelet ...............634, 654
Trailer sway control ..............364
Trailer towing ........................181
Toyota Apps ............................510 Entering keyword ..................512
Toyota Apps button (Setup screen) ...................................384
Toyota Apps setting s .............514
Toyota parking assist monitor ...............................................304Distance guide line display mode ...........................................309
Driving precautions ...............304
Estimated course line display mode ..................................307
Parking assist guide line display

744Alphabetical Index
Open window ....................... 159
PKSB OFF indicator ............. 642
Pre-collision warning ............ 232
RCTA (Rear Cross Traffic Alert) ........................................... 265
RCTA OFF indicator............. 642
Seat belt reminder ................ 645
Vehicle sway warning........... 244
Warning lights ABS ...................................... 640
Brake hold operated indicator........................................... 643
Brake Override System ........ 643
Brake system ....................... 638
Charging system .................. 638
Drive-Start Control ............... 643
Electric power steering ......... 640
Engine .................................. 639
High coolant temperature ..... 639
Intuitive parking assist OFF indi- cator ................................... 641
Low engine oil pressure ....... 639
Low fuel level ....................... 644
LTA indicator ........................ 641
Malfunction indicator lamp ... 639
Parking brake indicator ........ 644
PCS warning light................. 640
PKSB (Parking Support Brake) ........................................... 643
PKSB OFF indicato r ............. 642
RCTA OFF indicator............. 642
Seat belt reminder light ........ 645
Slip indicator......................... 643
SRS ...................................... 639
Stop & Start cancel indicator 641
Tire pressure ........................ 644
Warning messages ................ 649
Washer Checking .............................. 588
Low washer fluid warning mes-sage ........................... 588, 649
Preparing and c hecking before winter ..................................371
Switch ...........................218, 221
Washing and waxing ..............566
Weight Cargo capacity .............177, 180
Load limits ............................180
Weight ..................................676
Wheels .....................................606 Replacing wheels .................606
Size ......................................682
Wi-Fi
®.......................................406
Connecting a device to the in- vehicle access point ...........406
Operating hints .....................409
Wi-Fi
® button (Setup screen) 384
Wi-Fi
® Hotspot ........................406
Window glasses Power windows ....................158
Window lock switch ...............160
Windows Power windows ....................158
Rear window defogger .517, 524
Washer .........................218, 221
Windshield defog ger ......517, 524
Windshield wipers Intermittent windshield wipers...........................................218
Position.........................218, 221
Rain-sensing windshield wipers ...........................................218
Replacing the wiper insert ....610
Winter driving tips ..................371
Wiper insert .............................610
Wireless charger.....................547
Wireless remote control.........104 Battery-saving function .........130
Locking/Unlocking ................104
Panic mode ..........................105
Replacing the battery ...........613