2012 TOYOTA 4RUNNER check engine light

5
When trouble arises
597
5-2. Steps to take in an emergency
4RUNNER_U
■
SRS warning light
This warning light system monitors the airbag sensor assembly, front airbag
sensors, side and curtain shield airbag sensors, curtain shield airbag sen-
sors, floor sensor, driver's seat belt buckle switch, front passenger occupant
classification system, SRS airbag on-off indicator, roll sensing of curtain
shield airbags off indicator, front passenger's seat belt buckle switch, seat
belt pretensioner assemblies, inflators, interconnecting wiring and power
sources. ( P. 121)
■ Key reminder buzzer (vehicl es 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
detection 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 passen-
ger, 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.

640 6-1. Specifications
4RUNNER_U
Electrical system
Transfer (4WD models)
*: 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.
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.
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

689
Alphabetical index
4RUNNER_U
Electronic key
If your electronic key battery is depleted...... 552, 621
Emergency flashers Switch ................................... 578
Emergency, in case of
If the electronic key does not operate properly ........... 621
If the engine will not start...... 616
If the shift lever cannot be
shifted from P ..................... 618
If the vehicle has a
discharged battery ............ 623
If the warning buzzer sounds ............................... 587
If the warning light turns on .............................. 587
If you cannot operate back
door opener........................ 620
If you have a flat tire ............ 603
If you lose your keys............. 619
If you think something is wrong ................................. 585
If your vehicle becomes stuck................................... 630
If your vehicle has to be stopped in an emergency... 631
If your vehicle needs to be
towed ................................. 579
If your vehicle overheats ...... 627
Engine
Compartment........................ 520
Engine switch ............... 170, 173
Hood ..................................... 519
How to start the engine .................. 170, 173
Identification number ............ 635
If the engine will not start...... 616
Ignition switch ............... 170, 173
Overheating .......................... 627 Engine compartment cover.....521
Engine coolant
Capacity ................................639
Checking ...............................526
Preparing and checking before winter .......................288
Engine coolan t temperature
gauge ......................................186
Engine immobilizer system.....113
Engine oil
Capacity ................................637
Checking ...............................522
Preparing and checking before winter .......................288
Engine switch ...................170, 173
Event data recorder ...................26
Floor mat...................................473
Fluid
Brake .....................................528
Power steering ......................530
Washer ..................................535
Fog lights Replacing light bulbs .............565
Switch....................................209
Wattage .................................644
Four-wheel drive
system ............................236, 239
Front passenger occupant classification system ............136
Front passenger’s seat belt reminder light .................591
Front seats
Adjustment ..............................68
Front side marker light Replacing light bulbs .............565
Switch....................................203
Wattage .................................644
Front turn signal lights
Replacing light bulbs .............565
Switch....................................183
Wattage .................................644E
F

694 Alphabetical index
4RUNNER_U
Storage compartment ..............482
Storage feature.........................441
Storage precautions ................284
StuckIf your vehicle becomes stuck ...................................630
Sun visors.................................453
Sunshade Roof....................................... 105
Switch Emergency flasher switch ..... 578
Engine switch ................170, 173
Fog light switch ..................... 209
Hazard light switch ................578
Ignition switch................170, 173
Light switches........................ 203
Power back window switch ...101
Power door lock switch ...........54
Power window switch ..............98
Rear window wiper and washer switch ..................... 214
Window lock switch ................. 98
Wiper and washer switch ......211 Tachometer
Tachometer ........................... 186
Tail lights
Replacing light bulbs ............. 565
Switch ................................... 203
Wattage................................. 644
Talk switch ............................... 410
Telephone switch..................... 410
Theft deterrent system Alarm..................................... 116
Engine immobilizer system ... 113
Tire inflation pressure ............. 543
Tire information
Glossary ................................ 653
Size ....................................... 650
Tire identification number...... 649
Uniform tire quality grading ... 651
Tires
Chains ................................... 288
Checking ............................... 537
If you have a flat tire.............. 603
Inflation pressure .................. 543
Inflation pressure sensor....... 537
Information ............................ 648
Replacing .............................. 603
Rotating tires ......................... 537
Size ....................................... 643
Snow tires ............................. 288
Spare tire .............................. 603
Tissue pocket ........................... 445
Tools ......................................... 603
Total load capacity .................. 286
Towing Dinghy towing ....................... 311
Emergency towing ................ 579
Trailer towing ........................ 293
TRAC ......................................... 266
Traction control ....................... 266
Trip information ....................... 199
Trip meter ................................. 186T

695
Alphabetical index
4RUNNER_U
Turn signal lights
Replacing light bulbs ............ 565
Switch ................................... 183
Wattage ................................ 644
Valet key..................................... 32
Vanity lights Vanity lights .......................... 454
Wattage ................................ 644
Vanity mirrors .......................... 454
Vehicle identification number................................... 635
Vehicle stability control .......... 266
VSC ........................................... 266
Warning buzzers Brake system........................ 587
Key reminder ........................ 597
Open door ........................... 591
Open moon roof reminder .... 597
Seat belt reminder ................ 591
Warning lights Anti-lock brake system ......... 589
Automatic transmission
fluid temperature ................ 592
Brake system........................ 587
Charging system .... .............. 588
Engine oil pressure............... 588
KDSS.................................... 590
Low fuel level........................ 591
Low washer fluid................... 592
Maintenance required reminder light ..................... 591
Malfunction indicator lamp.... 588
Open door ............................ 591
Power steering ..................... 590
Pretensioners ....................... 588
Seat belt reminder ................ 591
Smart key system ... .............. 595
SRS airbags ......................... 588
Tire pressure ........................ 592
Unengaged “Park” ................ 590 Washer
Checking ...............................535
Preparing and checking before winter .......................288
Switch............................211, 214
Washing and waxing ...............502
Weight
Cargo capacity ......................280
Load limits .............................286
Weight ...................................634
Wheels ......................................547
Window glasses ................98, 101
Window lock switch ...................98
Windows Power back window ..............101
Power windows .......................98
Rear window defogger ..........328
Washer ..........................211, 214
Windshield wiper de-icer.........330
Windshield wipers ...................211
Wireless remote control key Replacing the battery ............552
Wireless remote control key ....49
WMA disc ..................................354
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