2012 TOYOTA SEQUOIA brake light

577
4-3. Do-it-yourself maintenance
4
Maintenance and care
15 ECU-IG No.1 7.5 A
Anti-lock brake system, vehicle sta-
bility control system, multiplex com-
munication system, intuitive
parking assist system, power front
driver’s seat, power tilt and power
telescopic, shift lock, tire pressure
warning system, accessory meter,
trailer towing, power outlet, electric
moon roof, power back door, head
light cleaner, Blind Spot Monitor
system, BSM main switch
16 AIR SUS IG 20 A Electronically modulated air sus-
pension system
17 LH-IG 7.5 A Back-up lights, charging system,
gauge and meters, turn signal
lights, air conditioning system, seat
heaters, rear window defogger
18 4WD 20 A Four-wheel drive control system
19 RR SEAT-HTR
LH 10 A Seat heaters
20 WSH 20 A Window washer
21 WIPER 30 A Wiper and washer
22 ECU-IG No.2 7.5 A Multiplex communication system,
power steering, gateway ECU
23 TAIL 15 A Tail lights, trailer lights (tail lights),
parking lights
24 A/C IG 10 A Air conditioning system
25 SEAT-HTR 20 A Seat heater or Heated and venti-
lated seats
FuseAmpereCircuit

5
When trouble arises
603
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:
The buzzer sounds to indicate that parking brake is still engaged (with the
vehicle having reached a speed of 3 mph [5 km/h])
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.
Warning lightWarning light/Details
(U.S.A.)
(Canada) Brake system warning li
ght (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 nor-
mally.
Warning lightWarning light/Details
Charging system warning light Indicates a malfunction in the vehicle’s charging sys-
tem.
Calmly perform the following actions if any of the warning lights turn
on or flash. If a light turns on or flashes, but then turns off, this does
not necessarily indicate a malfunction in the system.

604 5-2. Steps to take in an emergency
Have the vehicle inspected immediately.Failing 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
(U.S.A)
(Canada) Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic automatic transmission control sys-tem; or
• The emission 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.
(U.S.A.)
(Canada) ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system.
(Flashing) and VSC OFF and slip indicators
Indicates a malfunction in:
• The VSC;
• The TRAC; or
• The AUTO LSD system.

610 5-2. Steps to take in an emergency
●If there is a lot of snow or ice on the vehicle, in particular around the
wheels or wheel housings.
●If non-genuine Toyota wheels are used. (Even if you use Toyota
wheels, the tire pressu re warning system may not work properly with
some types of tires.)
●If tire chains are used.
■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 to the ON position, have it
checked by your Toyota dealer.
■ Customization that can be co nfigured at Toyota dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features P. 672)
CAUTION
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could
cause loss of vehicle control and re sult in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire
inflation pressure immediately.
●If the tire pressure warning light comes on even after tire inflation pres-
sure adjustment, it is pr obable that you have a flat tire. Check the tires.
If the tire is flat, change to the spare tire and have the flat tire repaired
by the nearest Toyota dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning syste m may not activate immediately.

616 5-2. Steps to take in an emergency
(U.S.A. only)Indicates that all mainte-
nance is required to corre-
spond to the driven
distance on the mainte-
nance schedule
*.
Perform the necessary
maintenance. Please
reset the maintenance
data after the mainte-
nance is performed.
(
P. 524)
Comes on approximately
5000 miles (8000 km) after
the maintenance data has
been reset.
(The indicator will not work
properly unless the main-
tenance data has been
reset.)
Indicates that the fuel
level is low.
A buzzer also sounds
and the low fuel level
warning light comes on. Fill up the tank as soon
as possible.
(if equipped) Indicates that the laser
radar sensor is dirty or
covered with ice.
A buzzer also sounds. Clean the sensor.
(if equipped) Indicates that the
dynamic laser cruise
control system is unable
to judge vehicle-to-vehi-
cle distance.
A buzzer also sounds. If the windshield wipers
are on, turn them off or
set them to either the
intermittent.
(Flashing)
(if equipped) Indicates that your vehi-
cle is nearing the vehicle
ahead (in vehicle-to-
vehicle distance control
mode).
Slow the vehicle by
applying the brakes.
Warning messageDetailsCorrection procedure

694
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
2WDTwo Wheel Drive
4WD Four Wheel Drive ABS Anti-Lock Brake System
ACC Accessory
AI-SHIFT Artificial Intelligence shifting ALR Automatic Locking Retractor
A-TRAC Active Traction Control
AUTO LSD Automatic Limited Slip Differential AVS Adaptive Variable Suspension System
BSM Blind Spot Monitor CRS Child Restraint System
ECU Electronic Control Unit
EDR Event Data Recorder ELR Emergency Locking RetractorFFV Flexible Fuel Vehicle
GAWR Gross Axle Weight Rating
GCWR Gross Combination Weight Rating GVWR Gross Vehicle Weight Rating I/M Emission inspection and maintenance
INFO Information
LATCH Lower Anchors and Tethers for Children LED Light Emitting Diode
LT Light truck
M + S Mud + Snow MMT Methylcyclopentadienyl Manganese Tricarbonyl
MTBE Methyl Tertiary Butyl Ether OBD On Board Diagnostics

696
Alphabetical index
Alphabetical index
A/C ..................................... 300, 308
ABS ........................................... 254
Active traction control ............. 254
Adaptive variable suspension system .................................... 246
Air conditioning filter............... 563
Air conditioning system Air conditioning filter .............. 563
Front air conditioning system ................................ 300
Rear air conditioning system ................................ 308
Airbags
Airbag operating conditions............................ 117
Airbag precautions for your
child .................................... 121
Airbag warning light............... 604
Curtain shield airbag operating conditions............ 117
Curtain shield airbag precautions ......................... 121
Front passenger occupant classification system ........... 127
General airbag
precautions ......................... 121
Locations of airbags .............. 114
Modification and disposal of airbags ................................ 125
Proper driving posture ........................ 112, 121
Side airbag operating conditions............................ 117
Side airbag precautions ........ 121
SRS airbags .......................... 114
Alarm ......................................... 109
Antenna..................................... 326
Anti-lock brake system............ 254
Armrest ..................................... 494
Ashtrays.................................... 480
A-TRAC ..................................... 254
Audio input ............................... 363 Audio system
A/V input port ........................ 409
Antenna................................. 326
Audio input ............................ 363
Audio visual input .................. 409
AUX port ............................... 363
CD player/changer ................ 329
DVD player............................ 392
iPod ....................................... 346
MP3/WMA disc ..................... 338
Optimal use ........................... 359
Portable music player ........... 363
Radio..................................... 321
Rear seat entertainment system ................................ 384
Steering wheel audio
switch.................................. 365
Type ...................................... 317
USB memory......................... 352
Audio visual input.................... 409
AUTO LSD system ................... 252
Automatic light control system .................................... 193
Automatic transmission .......................... 162
AUX port ................................... 363
Auxiliary box ............................ 473
A/V input port ........................... 409
AVS ........................................... 246
Back-up lights Replacing light bulbs ............. 580
Wattage................................. 655
Back door
Back door ................................ 42
Wireless remote control .......... 33
Back window ........................... 96
Battery Checking ............................... 544
If the vehicle has discharged battery................................. 634
Preparing and checking before winter ....................... 272A
B

697
Alphabetical index
Blind Spot Monitor .................. 236
Blind Spot Monitor
system ................................... 236
Bluetooth
® audio..................... 368
Bluetooth® phone ................... 419
Bottle holder ............................ 472
Brakes Fluid...................................... 541
Parking brake ....................... 167
Brake assist ............................. 254
Break-in tips ............................ 151
Card holder .............................. 458
Care Exterior ................................. 518
Interior .................................. 520
Seat belts ............................. 521
Cargo capacity ........................ 266
Cargo hooks ............................ 501
CD changer CD ........................................ 329
MP3 ...................................... 338
WMA disc ............................. 338
CD player ................................. 329
Chains ...................................... 272
Child restraint system Booster seats, definition ....... 132
Booster seats, installation .... 143
Convertible seats, definition............................. 132
Convertible seats,
installation .......................... 142
Front passenger occupant classification system .......... 127
Infant seats, definition .......... 132
Infant seats, installation ........ 141
Installing CRS with LATCH system................................ 138
Installing CRS with seat belts ................................... 141
Installing CRS with top tether straps ....................... 144 Child safety
Airbag precautions ................121
Battery precautions .......545, 636
Child restraint system............132
Child-protectors .......................38
How your child should wear
the seat belt ..........................78
Installing child restraints ........136
Moon roof precautions ..........101
Power window lock switch.......93
Power window precautions .....95
Removed key battery
precautions .........................567
Seat belt extender
precautions ...........................81
Seat belt precautions ..............78
Seat heater precautions ........491
Child-protectors .........................38
Cigarette lighter .......................481
Cleaning Exterior ..................................518
Interior ...................................520
Seat belts ..............................521
Climate control seat.................492
Clock ........................................ 477
Coin holder ...............................455
Compass ...................................511
Condenser ................................541
Console box .....................456, 463
Conversation mirror ................482
Cooling system Engine overheating ...............637
CRS ...........................................132
Cruise control Cruise control ........................203
Dynamic laser cruise
control .................................207
Cup holders ..............................468
Curtain shield airbags .............114
Customizable features.............672
C