2012 TOYOTA 4RUNNER warning light

539
4-3. Do-it-yourself maintenance
4
Maintenance and care
4RUNNER_U
■When to replace your vehicle’s tires
Tires should be replaced if:
●You have tire damage such as cuts, splits, cracks deep enough to
expose the fabric, and bulges indicating internal damage
●A tire goes flat repeatedly or c
annot be properly repaired due to the
size or location of a cut or other damage
If you are not sure, consult with your Toyota dealer.
■Replacing tires and wheels
If the ID code of the tire pressure warning valve and transmitter is not
registered, the tire pre ssure warning system will not work properly. After
driving for about 20 minutes, the ti re pressure warning light comes on
after blinking for 1 minute to indicate a system malfunction.
■Tire life
Any tire over 6 years old must be checked by a qualified technician even
if they have seldom or never been used or damage is not obvious.
■Routine tire inflation pressure checks
The tire pressure warning system doe s not replace routine tire inflation
pressure checks. Make su re to check tire inflation pressure as part of
your routine of daily vehicle checks.
■Maximum load of tire
Check that the number given by divi ding the maximum load by 1.10 of
the replacement tire is greater than 1/2 of the Gross Axle Weight Ratings
(GAWR) of either the front axle or the rear axle, whichever is greater.
For the GAWR, see the Certification
Label. For the maximum load of the
tire, see the load limit at maximum cold
tire inflation pressure mentioned on the
sidewall of the tire. (P. 648)
CTH43AS081

562 4-3. Do-it-yourself maintenance
4RUNNER_U■
Driver’s side instrument panel
FuseAmpereCircuit
1TA I L10 A Stop/tail lights
2PA N E L7.5 A Instrument panel lights
3GAUGE7.5 A Meter and gauge
4IGN10 A Multiport fuel injection system/
sequential multiport fuel injec-
tion system, air bag system,
smart key system
5WASHER20 A Wiper and washer
6WIP30 A Wiper and washer
7S/ROOF 25 A Electric moon roof
8DOOR RR25 A Power windows
9DOOR D25 A Power windows
10DOOR BACK30 A
Multiplex communication sys-
tem
11DOOR P30 A Power windows
12P/SEAT FR 30 A Front passenger's power seat
13S/HTR FR 20 A Seat heater system
14ECU-IG NO.210 AAir conditioning system, multi-
port fuel injection system/
sequential multiport fuel injec-
tion system
15IG17.5 A
Turn signal lights, emergency
flashers
16ECU-IG NO.110 AVehicle stability control sys-
tem, tire pressure warning sys-
tem, steering sensor
17DOOR7.5 A Power windows

When trouble arises5
577
4RUNNER_U
5-1. Essential informationEmergency flashers ......... 578
If your vehicle needs to be towed ........................ 579
If you think something is wrong ............................. 585
Fuel pump shut off system ........................... 586
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds ........................... 587
If you have a flat tire......... 603
If the engine will not start ................................ 616
If the shift lever cannot be shifted from P ............ 618
If you lose your keys ........ 619
If you cannot operate back door opener ........... 620
If the electronic key does not operate properly....... 621
If the vehicle battery is discharged ..................... 623
If your vehicle overheats ....................... 627
If the vehicle becomes stuck .............................. 630
If your vehicle has to be stopped in an
emergency ..................... 631

5
When trouble arises
587
4RUNNER_U
5-2. Steps to take in an emergency
If a war ning light turns on or a war ning buzzer sounds
Stop the vehicle immediately. Continuing to drive the vehicle
may be dangerous.The following warning indicates a possible problem in the brake sys-
tem. Immediately stop the vehicle in a safe place and contact your
Toyota dealer.
*: Parking brake engaged warning buzzer: A buzzer will sound if the vehicle is driven at a speed of approxi-
mately 3 mph (5 km/h) or more.
Warning lightWarning light/Details
(U.S.A.)
(Canada) Brake system warning light (warning buzzer)
*
• Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released the system is operating normally.
Calmly perform the following actio ns if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then goes
off, this does not necessarily indicate a malfunction in the system.
However, if this continues to o ccur, have the vehicle inspected by
your Toyota dealer.

588 5-2. Steps to take in an emergency
4RUNNER_U
Stop the vehicle immediately.The following warnings indicate the possibility of damage to the vehi-
cle that may lead to an accident. Immediately stop the vehicle in a
safe place and contact your Toyota dealer.
Have the vehicle inspected by your Toyota dealer immediately.Failure to investigate the cause of the following warnings may lead to
the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.
Warning lightWarning light/Details
Charging system warning light Indicates a malfunction in the vehicle’s charging system
Low engine oil pressure warning light Indicates that the engine oil pressure is too low
Warning lightWarning light/Details
(U.S.A.)
(Canada) Malfunction indicator lamp
Indicates a malfunction in:
• The emission control system;
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system
SRS warning light Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system

5
When trouble arises
589
5-2. Steps to take in an emergency
4RUNNER_U
Warning lightWarning light/Details
(U.S.A.)
(Canada) ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system
(Flashes) Cruise control indicator light
Indicates a malfunction in the cruise control system
Slip indicator Indicates a malfunction in:
• The VSC system;
• The TRAC system;
• The active traction control system;
• The AUTO LSD system;
• The downhill assist control system;
• The hill-start assist control system; or
• The Crawl Control system
(Flashes rapidly) Rear differential lock indicator light (if equipped)
Indicates a malfunction in the rear differential lock sys-
tem
(Flashes rapidly) Four-wheel drive indicator light (if equipped)
Indicates a malfunction in the four-wheel drive system
(Flashes rapidly) Low speed four-wheel drive indicator light (if
equipped)
Indicates a malfunction in the four-wheel drive system
(Flashes rapidly) Center differential lock indicator light (if equipped)
Indicates a malfunction in the four-wheel drive system
(Flashes continu- ously) Multi-terrain Select indicator light (if equipped)
Indicates a malfunction in the Multi-terrain Select sys-
tem

590 5-2. Steps to take in an emergency
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Power steering warning lightIndicates a malfunction in the power steering system
Unengaged “Park” warning light (if equipped) Indicates a malfunction in the transmission “Park” mech-
anism.
KDSS warning light (if equipped) Indicates a malfunction in KDSS
(Flashes) Automatic running boards indicator light (if
equipped)
Indicates a malfunction in Automatic running boards
(Flashes) Automatic transmission fluid temperature warning
light
Indicates a malfunction in the automatic transmission
system
Warning lightWarning light/Details

5
When trouble arises
591
5-2. Steps to take in an emergency
4RUNNER_U
Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning light goes off.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer)
*1
Indicates that a door is not
fully closed Check that all the doors are
closed.
Low fuel level warning
light Indicates remaining fuel is
approximately 3.5 gal.
(13.1 L, 2.9 Imp. gal.) or
less Refuel the vehicle.
Driver’s seat belt
reminder light (warning
buzzer)
*2
Warns the driver to fasten
his/her seat belt Fasten the seat belt.
(On the cen-
ter panel) Front passenger’s seat
belt reminder light (warn-
ing buzzer)
*2
Warns the front passen-
ger to fasten his/her seat
belt
Fasten the seat belt.