2023 TOYOTA RAV4 check engine

4817-2. Steps to take in an emergency
7
When trouble arises
3After the engine has cooled
down sufficiently, inspect the
hoses and radiator core (radi-
ator) for any leaks.
Radiator
Cooling fan
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
4The coolant level is satisfac-
tory if it is between the
“FULL” and “LOW” lines on
the reservoir.
Reservoir
“FULL” line
“LOW” line
5 Add coolant if necessary.
Water can be us ed in an emer-
gency if coolant is unavailable.
If water was added in an emer-
gency, have the vehicle inspected at your Toyota dealer as soon as
possible.
6
Start the engine and turn the
air conditioning system on to
check that the radiator cool-
ing fan operates and to check
for coolant leaks from the
radiator or hoses.
The fan operates when the air con-
ditioning system is turned on imme-
diately after a cold start. Confirm
that the fan is operating by check-
ing the fan sound and air flow. If it is
difficult to check th ese, turn the air
conditioning system on and off
repeatedly. (The fa n may not oper-
ate in freezing temperatures.)
7 If the fan is not operating:
Stop the engine immediately
and contact your Toyota
dealer.
If the fan is operating:
Have the vehicle inspected at
the nearest Toyota dealer.
8 Check if “Engine Coolant
Temp High Stop in a Safe
Place See Owner’s Manual”
is shown on the multi-infor-
mation display.
If the message does not disappear:
Stop the engine and contact your
Toyota dealer.
If the message is not displayed:
Have the vehicle inspected at the
A
B
A
B
C

4888-1. Specifications
■Oil capacity (Drain and refill  reference*)
*: The engine oil capacity is a reference quantity to be used whe n changing
the engine oil. Warm up and turn off the engine, wait more than 5 min-
utes, and check the oil level on the dipstick.
■Engine oil selection
“Toyota Genuine Motor Oil” is
used in your Toyota vehicle.
Use Toyota approved “Toyota
Genuine Motor Oil” or equiva-
lent to satisfy the following
grade and viscosity.
Oil grade:
ILSAC GF-6B multigrade engine
oil Recommended viscosity:
SAE 0W-16
SAE 0W-16 is the best choice
for good fuel economy and good
starting in cold weather.
If SAE 0W-16 is not available,
SAE 0W-20 oil may be used.
However, it must be replaced
with SAE 0W-16 at the next oil
change.
Engine
Model2.5 L 4-cylinder (A25A-FKS)
Type4-cylinder in line
, 4-cycle, gasoline
Bore and stroke3.44  4.07 in. (87.50  103.48 mm)
Displacement151.8 cu. in. (2487 cm3)
Valve clearanceAutomatic adjustment
Drive belt tensionAutomatic adjustment
Fuel
Fuel typeUnleaded gasoline only
Octane Rating87 (Research Octane Number 91) or
higher
Fuel tank capacity (Reference)14.5 gal. (55 L, 12.1 Imp.gal.)
Lubrication system
With filter4.8 qt. (4.5 L , 4.0 Imp. qt.)
Without filter4.4 qt. (4.2 L, 3.7 Imp. qt.)

540What 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.474)
 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.474)
 Is the key battery weak or
depleted? ( P.425)
 Vehicles with smart key sys-
tem:
Is the engine switch in ON?
When locking the doors, turn
the engine switch to OFF.
( P.207) 
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.117,
141)
 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.124)
 Is the shift lever in P?
( P.203)
 Is the battery discharged?
( P.476)
 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)

542What to do if... (Troubleshooting)
Did anyone inside the vehicle
open a door during setting the
alarm?
The sensor detects it and the
alarm sounds. ( P.71)
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.459)
 When a warning light turns on
or a warning message is dis-
played, refer to P.449, 459.
 Stop the vehicle in a safe
place and replace the flat tire
with the spare tire. ( P.463)
Try the procedure for when
the vehicle becomes stuck in
mud, dirt, or snow. ( P.482)
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 Index545
Checking .............................. 400
Preparing and checking before
winter.................................. 325
Warning light ........................ 450
Cooling system ...................... 400 Engine overheating .............. 480
Cruise control Dynamic radar cruise control with full-speed range .......... 264
Cup holders ............................ 351
Current fuel economy ...... 95, 105
Curtain shield airbags ............. 33
Customizable features ........... 509
D
Daytime running light system220 Replacing light bulbs ............ 432
Deck board .............................. 354
Defogger Outside rear view mirrors ... 333, 340
Rear window ................ 333, 340
Windshield.................... 333, 340
Differential .............................. 491
Digital Rear-view Mirror ......... 156
Dimensions ............................. 486
Dinghy towing ........................ 201
Display BSM (Blind Spot Monitor)..... 276
Consumption screen ............ 111
Drive information .................... 97
Driving information ......... 95, 106
Dynamic radar cruise control with full-speed range .......... 264
Intuitive parking assist .......... 280
LTA (Lane-Tracing Assist) ... 255
Multi-informatio n display 93, 102
RCTA (Rear Cross Traffic Alert) function............................... 289
Warning messages .............. 459
Do-it-yourself maintenance . 388, 393 Door lock
Back door .............................125
Side doors ............................119
Smart key system .................139
Wireless remote control........116
Doors Automatic door locking and unlocking system ................124
Back door .............................125
Door glasses ........................167
Door lock ..............................119
Open door warning buzzer ...124
Outside rear view mirrors .....165
Rear door child-protectors ....124
Side doors ............................119
Downhill assist control system ...............................................316
Drive information ......................97
Driver’s seat belt reminder light ...............................................455
Driver’s seat position memory ...............................................147Driving position memory .......147
Memory recall function .........149
Drive-Start Control (DSC) Sudden start restraint control184
Driving Break-in tips .........................180
Correct posture .......................27
Driving mode select switch ...310
Procedures ...........................179
Winter drive tips....................325
Driving informatio n display ...95,
106
Driving mode select switch ...310
Driving position memory .......147 Memory recall function .........149
Driving support system informa- tion display......................97, 106
DSC (Drive-Start Control) Sudden start restraint control184

546Alphabetical Index
Dynamic radar cruise control with full-speed rangeFunction ............................... 264
Warning message ................ 459
Dynamic Torque Control AWD system ................................... 319
Dynamic Torque Vectoring AWD system ................................... 319
E
Eco drive mode ...................... 310
Eco Driving Indicator ....... 96, 105
Eco Driving Indicator Light ... 96, 105
EDR (Event data recorder)......... 8
Elapsed time ............................. 97
Electric Power Steering (EPS) Function ............................... 319
Warning light ........................ 451
Electronic key Battery-saving function......... 141
If the electronic key does not operate properly ................. 474
Replacing the battery ........... 425
Electronic sunshade .............. 173 Jam protection function ........ 174
Operation ............................. 173
Emergency, in case of If a warning buzzer sounds .. 449
If a warning light turns on ..... 449
If a warning message is dis-played................................. 459
If the electronic key does not operate properly ................. 474
If the engin e will not start ..... 472
If the vehicle battery is dis- charged .............................. 476
If the vehicle is submerged or water on the road is rising .. 441
If you have a flat tire ............. 463
If you lose your keys ............ 474
If you think something is wrong ...........................................447
If your vehicle becomes stuck ...........................................482
If your vehicle has to be stopped in an emergency .................440
If your vehicle needs to be towed ...........................................443
If your vehicle ove rheats ......480
Emergency flashers ...............440
Engine Compartment........................398
Engine switch ...............203, 204
Fuel pump shut off system ...448
Hood .....................................395
How to start the engine 203, 204
Identification number ............487
If the engine will not start......472
If your vehicle has to be stopped in an emergency .................440
Ignition switch (Engine switch) ...................................203, 204
Overheating ..........................480
Tachometer ......................83, 88
Engine coolant Capacity ...............................489
Checking ..............................400
Preparing and checking before winter ..................................325
Warning light ........................450
Engine coolant temperature ..83, 88
Engine immobilizer system .....70
Engine oil Capacity ...............................488
Checking ..............................398
Preparing and checking before winter ..................................325
Warning light ........................450
Engine switch .................203, 204 Auto power off fun ction.........207
Changing the engine switch modes.................................207

554Alphabetical Index
Rear window and outside rear view mirror defoggers switch................................... 333, 340
Rear window wipe r and washer
switch ................................. 229
Seat heater switches .... 346, 347
Seat ventilator switches ....... 347
Snow mode switch ............... 315
Stop & Start cancel switch ... 305
Tire pressure warning reset switch ......................... 410, 411
Vehicle-to-vehicle distance switch ................................. 264
VSC OFF switch................... 320
Window lock switch .............. 169
Windshield defogger switch 333, 340
Windshield wipers and washer switch ................................. 226
Wireless charger switch ....... 362
T
Tachometer ......................... 83, 88
Tail lights Light switch .......................... 219
Replacing light bulbs ............ 432
Theft deterrent system Alarm ...................................... 71
Engine immobilizer system .... 70
Tire inflati on pressure
Maintenance data................. 492
Tire inflation pressure display function............................... 408
Warning light ........................ 455
Tire information ...................... 499 Glossary ............................... 503
Size ...................................... 501
Tire identification number ..... 500
Tire section names ............... 501
Tire pressure warning system Function ............................... 408
Initializing ............................. 410 Installing tire p
ressure warning
valves and transmitters ......409
Registering ID codes ............413
Warning light ........................455
Tires .........................................405 Chains ..................................327
Checking ..............................405
Glossary ...............................503
If you have a flat tire .............463
Inflation pressure ..................416
Information ......... ..................499
Replacing .............................463
Rotating tires ........................407
Size ......................................492
Snow tires.............................325
Spare tire ..............................463
Tire identification number .....500
Tire inflation pressure display function ...............................408
Tire pressure warning system ...........................................408
Uniform Tire Qua lity Grading 502
Warning light ........................455
Tools ........................................464
Top tether strap ........................61
Total load capacity .........185, 188
Towing Dinghy towing .......................201
Emergency towing ................445
Towing eyelet ...............445, 464
Trailer sway control ..............319
Trailer towing ........................189
Toyota Safety Sense 2.5 ........234 Automatic High Be am ...........222
Dynamic radar cruise control with full-speed range ..........264
LTA (Lane Traci ng Assist) ....250
PCS (Pre-Collisio n System) .239
RSA (Road Sign Assist) .......261
TRAC (Traction Control) ........319
Traction Control (TRAC) ........319
Trailer sway contro l................319