2016 TOYOTA 4RUNNER check engine light

4177-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B23U)
*1: Parking brake engaged warning buzzer:
A buzzer will sound if the vehicle is driven at a speed of approximately 3
mph (5 km/h) or more.
*2: Open door warning buzzer:
The open door warning buzzer sounds to alert one or more of the doors is
not fully closed (with the vehicle having reached a speed of 3 mph [5 km/h]).
*3: Driver’s and front passenger’s seat belt buzzer:
The driver’s and front passenger’s seat belt buzzer sounds to alert the
driver and front passenger that
his or her seat belt is not fastened. The
buzzer sounds intermittently for 10 seconds after the vehicle reaches a
speed of 12 mph (20 km/h). Then, if the seat belt is still unfastened, the
buzzer will sound in a different tone for 20 more seconds.
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (rear), safing
sensor (rear), driver's seat belt buckle switch, front passenger occupant clas-
sification system (ECU and sensors), “AIR BAG ON” and “AIR BAG OFF”
indicator lights, front passenger's seat belt buckle switch, seat belt preten-
sioners, airbags, interconnecting wiring and power sources. (P. 3 5 )
■Key reminder buzzer (vehicles without a smart key system)
The buzzer indicates that the key has not been removed with the engine off
and the driver’s door opened.
■Open moon roof reminder buzzer (if equipped)
The buzzer indicates that the moon roof is not fully closed with the engine off
and the driver’s door opened.
■Front passenger detection sensor, passenger seat belt reminder and
warning buzzer
●If luggage is placed on the front passenger seat, the front passenger detec-
tion sensor may cause the warning light to flash and the warning buzzer to
sound even if a passenger is not sitting in the seat.
●If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.

4197-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B23U)■
If the tire pressure warning system is not functioning
The tire pressure warning system will be disabled in the following condi-
tions:
(When the condition becomes normal, the system will work properly.)
●If tires not equipped with tire pressure warning valves and transmitters
are used
●If the ID code on the tire pressure warning valves and transmitters is not
registered in the tire pressure warning computer
●If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or
higher
The tire pressure warning system may be disabled in the following condi-
tions:
(When the condition becomes normal, the system will work properly.)
●If electronic devices or facilities using similar radio wave frequencies are
nearby
●If a radio set at a similar frequency is in use in the vehicle
●If a window tint that affects the radio wave signals is installed
●If there is a lot of snow or ice on the vehicle, particularly around the
wheels or wheel housings
●If non-genuine Toyota wheels are used (Even if you use Toyota wheels,
the tire pressure warning system may not work properly with some types
of tires.)
●If tire chains are used
●Vehicles with P245/60R20 tires: If the spare tire is in a location subject
to poor radio wave signal reception
●Vehicles with P245/60R20 tires: If a large metallic object which can
interfere with signal reception is put in the luggage compartment
■If the tire pressure warning light frequently comes on after blinking
for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1
minute when the engine switch is turned on, have it checked by your
Toyota dealer.
■Customization that can be configured at Toyota dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features P. 485) However, Toyota recommends that the seat
belt reminder buzzer be operational to alert the driver and front passenger
when seat belts are not fastened.

4658-1. Specifications
8
Vehicle specifications
4RUNNER (U)_(OM35B23U)
*: Your Toyota vehicle is filled with “Toyota Genuine Transfer Gear oil LF” at
the factory. Use Toyota approved “Toyota Genuine Transfer Gear oil LF” or
an equivalent of matching quality to satisfy the above specification. Please
contact your Toyota dealer for further details.
Electrical system
Battery
Open voltage* at
68F (20C):
12.6  12.8 V Fully charged
12.2  12.4 V Half charged
11 . 8  12.0 V Discharged
(
*: Voltage checked 20 minutes after the
engine and all the lights are turned off.)
Charging rates5 A max.
Transfer (4WD models)
Oil capacity
Part-time 4WD models
1.1 qt. (1.0 L, 0.9 Imp. qt.)
Full-time 4WD models
1.5 qt. (1.4 L, 1.2 Imp. qt.)
Oil type*Toyota Genuine Transfer gear oil LF or
equivalent
Recommended oil viscositySAE 75W

512What to do if... (Troubleshooting)
4RUNNER (U)_(OM35B23U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
(P. 416)
●The brake system warning light is on
Is the parking brake released? (P. 203)
●The open door warning indicator is on
Are all the doors closed? (P. 96, 114)
Depending on the situation, other types of warning buzzer may also sound.
(P. 413, 422)

●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (P. 72)
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. 413.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 413, 422.
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
(vehicles with a smart key system)
A warning light turns on or a warning message is displayed

517Alphabetical index
4RUNNER (U)_(OM35B23U)
Eco Driving Indicator ................ 83
EDR (Event data recorder) ........ 10
Electronic key ............................ 90
Battery-saving function ......... 106
If the electronic key does not
operate properly ................. 446
Replacing the battery ............ 379
Emergency flashers ................ 402
Emergency, in case of
If the electronic key
does not operate
properly .............................. 446
If the engine will not start ...... 442
If the shift lever
cannot be shifted from P .... 444
If the vehicle battery is
discharged .......................... 448
If the warning buzzer
sounds ................................ 413
If the warning light turns
on ....................................... 413
If the warning message
is displayed......................... 422
If you cannot operate
back door opener ............... 445
If you have a flat tire ............. 429
If you think something
is wrong .............................. 411
If your vehicle becomes
stuck ................................... 455
If your vehicle has to be
stopped in an emergency ... 403
If your vehicle needs
to be towed ......................... 405
If your vehicle overheats ....... 452Engine
ACCESSORY mode ............. 195
Compartment ........................ 350
Engine switch ............... 191, 194
Hood ..................................... 349
How to start the
engine ........................ 191, 194
Identification number ............ 459
If the engine will not start ...... 442
Ignition switch
(engine switch) ........... 191, 194
Overheating .......................... 452
Engine coolant......................... 355
Capacity................................ 464
Checking............................... 355
Preparing and checking
before winter ...................... 268
Engine coolant temperature
gauge ....................................... 81
Engine immobilizer system ...... 70
Engine oil ................................. 352
Capacity................................ 461
Checking............................... 352
Preparing and checking
before winter ...................... 268
Engine switch .................. 191, 194
Event data recorder (EDR)........ 10
E

527Alphabetical index
4RUNNER (U)_(OM35B23U)
Warning buzzers
Brake system ........................ 413
Downshifting ......................... 201
Intuitive parking assist .......... 225
Key reminder ........ 192, 417, 425
Open door ............................. 415
Open moon roof reminder..... 417
Seat belt reminder ................ 416
Warning lights............................ 77
ABS....................................... 414
Automatic running boards
indicator light ...................... 415
Brake system ........................ 413
Center differential lock
indicator light ...................... 415
Charging system ................... 413
Cruise control........................ 414
Four-wheel drive
indicator light ...................... 414
KDSS .................................... 415
Low engine oil pressure ........ 413
Low fuel level ........................ 415
Low speed four-wheel drive
indicator light ...................... 415
Malfunction indicator lamp .... 413
Master warning light...... 416, 422
Multi-terrain Select
indicator light ...................... 415
Open door ............................. 415
Power steering ...................... 415
Rear differential lock
indicator light ...................... 414
Seat belt reminder light ......... 416
Slip indicator ......................... 414
SRS ...................................... 414
Tire pressure......................... 416
Unengaged “Park” ................ 415Warning messages.................. 422
Washer ..................................... 212
Checking............................... 363
Preparing and checking
before winter ...................... 268
Switch ........................... 212, 215
Washing and waxing ............... 334
Weight
Cargo capacity...................... 173
Load limits ............................ 173
Weight .................................. 458
Wheels ...................................... 374
Replacing wheels ................. 374
Size....................................... 468
Window glasses ...................... 145
Window lock switch ................ 145
Windows................................... 145
Power back window .............. 148
Power windows..................... 145
Rear window
defogger ..................... 280, 286
Washer ......................... 212, 215
Windshield wiper
de-icer ............................ 280, 287
Windshield wipers ........... 212, 215
Intermittent wiper .................. 212
Winter driving tips ................... 268
Wireless remote control
key ............................................ 91
Locking/Unlocking .................. 96
Replacing the battery............ 379
W
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.