2016 TOYOTA 4RUNNER air conditioning

3776-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)_(OM35B23U)
Turn the engine switch off.
Open the glove box and
remove the cover.
Remove the filter cover.
Remove the air conditioning fil-
ter and replace it with a new
one.
The “UP” marks shown on the fil-
ter should be pointing up.
Air conditioning filter
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency.
Removal method
1
2
3
4

3786-3. Do-it-yourself maintenance
4RUNNER (U)_(OM35B23U)
■Checking interval
Inspect and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, early replacement
may be required. (For scheduled maintenance information, please refer to the
“Schedule maintenance guide” or “Owner’s Manual Supplement”.)
■If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
NOTICE
■When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the
system.

4117-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B23U)
●Fluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
●Flat-looking tires or uneven tire wear
●Engine coolant temperature gauge needle continually points higher
than normal.
●Changes in exhaust sound
●Excessive tire squeal when cornering
●Strange noises related to the suspension system
●Pinging or other noises related to the engine
●Engine missing, stumbling or running roughly
●Appreciable loss of power
●Vehicle pulls heavily to one side when braking
●Vehicle pulls heavily to one side when driving on a level road
●Loss of brake effectiveness, spongy feeling, pedal almost touches
the floor
If you think something is wrong
If you notice any of the following symptoms, your vehicle proba-
bly needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

4527-2. Steps to take in an emergency
4RUNNER (U)_(OM35B23U)
●The needle of the engine coolant temperature gauge (P. 8 1 )
enters the red zone or a loss of engine power is experienced.
(For example, the vehicle speed does not increase.)
●Steam comes out from under the hood.
Stop the vehicle in a safe place and turn off the air conditioning sys-
tem, and then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled
down sufficiently, inspect the
hoses and radiator core (radia-
tor) for any leaks.
Radiator
Cooling fan
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
The coolant level is satisfactory
if it is between the “F” and “L”
lines on the reservoir.
Reservoir
“F” line
“L” line
Radiator cap
If your vehicle overheats
The following may indicate that your vehicle is overheating:
Correction procedures
1
2
3
1
2
4
1
2
3
4

4798-1. Specifications
8
Vehicle specifications
4RUNNER (U)_(OM35B23U)
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressureThe maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended infla-
tion pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic transmission, power steering, power
brakes, power windows, power seats, radio
and heater, to the extent that these items are
available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded vehi-
cle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below

514
4RUNNER (U)_(OM35B23U)
Alphabetical index
Alphabetical index
A/C .................................... 278, 284
Air conditioning filter ............. 377
ABS
(Anti-lock Brake System)...... 259
Function ................................ 259
Warning light ......................... 414
Active head restraints ............. 120
Active traction control ............ 239
Air conditioning filter .............. 377
Air conditioning
system ............................ 278, 284
Air conditioning filter ............. 377
Airbags ....................................... 35
Airbag operating conditions .... 42
Airbag precautions
for your child ......................... 37
Airbag warning light .............. 414
Correct driving posture ........... 28
Curtain shield airbag
operating conditions ............. 42
Curtain shield airbag
precautions ........................... 39
Front passenger occupant
classification system............. 46
General airbag precautions .... 37
Locations of airbags................ 35
Modification and disposal
of airbags.............................. 41
Side airbag operating
conditions ............................. 42
Side airbag precautions .......... 37
Side and curtain shield airbags
operating conditions ............. 42
Side and curtain shield
airbags precautions .............. 37
SRS airbags............................ 35Alarm .......................................... 72
Alarm ...................................... 72
Warning buzzer .................... 413
Anchor brackets ........................ 57
Antennas
(smart key system) ............... 103
Anti-lock Brake System
(ABS) ...................................... 259
Function ................................ 259
Warning light......................... 414
Armrest..................................... 318
Assist grip ................................ 319
Audio system
*
AUTO LSD system................... 241
Automatic air conditioning
system.................................... 284
Automatic light control
system.................................... 204
Automatic running boards ..... 111
Automatic transmission ......... 199
If the shift lever
cannot be shifted from P .... 444
S mode ................................. 200
AUX port
*
Auxiliary boxes ........................ 300
A

519Alphabetical index
4RUNNER (U)_(OM35B23U)
Head restraints ........................ 136
Headlights ................................ 204
Light switch ........................... 204
Replacing light
bulbs ................... 387, 389, 399
Wattage ................................ 469
Heaters
Air conditioning
system ........................ 278, 284
Outside rear view
mirrors ....................... 280, 286
Seat heaters ......................... 291
Hill-start assist control............ 260
Hood ......................................... 349
Hooks
Cargo hooks ......................... 303
Cargo net hooks ................... 304
Grocery bag hooks ............... 306
Retaining hooks (floor mat)..... 26
Horn .......................................... 139I/M test ...................................... 345
Identification
Engine .................................. 459
Vehicle .................................. 459
Ignition switch
(engine switch) .............. 191, 194
Illuminated entry system ........ 295
Immobilizer system ................... 70
Indicators ................................... 79
Initialization
Maintenance ......................... 341
Moon roof ............................. 154
Power back window .............. 150
Power windows..................... 146
Inside rear view mirror ............ 141
Instrument panel light
control ...................................... 82
Interior lights ........................... 293
Intuitive parking assist ........... 225
Jack
Vehicle-equipped jack .......... 429
Jack handle .............................. 433
Jam protection function
Moon roof ............................. 153
Power back window .............. 150
Power windows..................... 146
HI
J

521Alphabetical index
4RUNNER (U)_(OM35B23U)
Maintenance
Do-it-yourself maintenance ... 346
General maintenance ........... 342
Maintenance data ................. 458
Maintenance requirements ... 340
Resetting the message
indicating maintenance is
required .............................. 341
Malfunction indicator lamp ..... 413
Manual air conditioning
system .................................... 278
Master warning light................ 422
Meter ........................................... 81
Indicators ................................ 79
Instrument panel light
control................................... 82
Meters ..................................... 81
Multi-information display ......... 83
Warning lights ......................... 77
Mirrors
Inside rear view mirror .......... 141
Outside rear view mirror
defoggers ................... 280, 286
Outside rear view mirrors...... 143
Vanity mirrors........................ 308
Moon roof ................................. 152
Door lock linked
moon roof operation ........... 154
Jam protection function......... 153
Operation .............................. 152
Multi Terrain ABS .................... 259
Multi-information display .......... 83
Customizing vehicle
features ................................ 86
Driving monitor........................ 84
Switching the display .............. 84
Trip information ....................... 83
Warning message ................. 422
Multi-terrain Select .................. 252Navigation system*
Noise from under vehicle ........... 8
Odometer ................................... 81
Off-road precautions ............... 272
Oil
Engine oil .............................. 352
Opener
Back door ............................. 115
Hood ..................................... 349
Outer foot lights ...................... 293
Outside rear view mirrors ....... 143
Adjusting and folding ............ 143
Outside rear view
mirror defoggers ......... 280, 286
Outside temperature
display.................................... 310
Overhead console ................... 300
Overheating, Engine ............... 452
MN
O
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.