2012 TOYOTA TUNDRA warning lights

204 2-2. Instrument cluster
Press the SELECT RESET button to customize the items.
ItemsScreen textSelect in this order
To select
US (ENGLISH)
or METRIC
(P. 205)
UNITS
Door lock/
unlock warning
functionKEYLESS ENTRY
FEEDBACK
Time for auto-
matic door lock
functionKEYLESS ENTRY
RELOCK TIMER
Double switch
operation to
unlock all the
doorsKEYLESS ENTRY
ALL DOORS
UNLOCK
Automatic door
locking functionDOOR AUTO
LOCKING
Automatic door
unlocking func-
tionDOOR AUTO
UNLOCKING
Time period
before lights
turn off (if a door
is opened and
closed, and
engine switch is
in ACC or
LOCK)
HEADLAMPS AUTO
OFF TIMER
Time period
before lights
turn offCOURTESY LAMPS
OFF TIMER
METRIC
US (ENGLISH)
LAMPS + TONE*LAMPS
TONE
OFF
60 SECONDS*120 SECONDS
30 SECONDS OFF
2 PRESSES*1 PRESS
SHIFT OUT
OF PARKABOVE 12 MPH*
(20 km/h)
OFF
SHIFT TO PARK*DRIVER DOOR
OPEN
OFF
30 SECONDS*60 SECONDS
90 SECONDS
0 SECONDS
15 SECONDS*30 SECONDS
8 SECONDS

585
4-3. Do-it-yourself maintenance
4
Maintenance and care
14 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
15 LH-IG 7.5 A Back-up lights, charging system,
gauges and meters, turn signal
lights, air conditioning system, seat
heaters, back window defogger
16 4WD 20 A Four-wheel drive control system
17 WSH 20 A Window washer
18 WIPER 30 A Wiper and washer
19 ECU-IG No.2 7.5 A Multiplex communication system,
power steering
20 TAIL 15 A Tail lights, trailer lights (tail lights),
parking lights, outer foot lights
21 A/C IG 10 A Air conditioning system
22 TOW BK/UP 7.5 A Trailer lights
23 SEAT-HTR 20 A Seat heaters or heater and venti-
lated seats
24 PANEL 7.5 A Instrument panel lights, glove box
light, accessory meter, audio sys-
tem, rear view monitor, navigation
system, rear seat entertainment
system, gauges and meters, air
conditioning system
FuseAmpereCircuit

5
When trouble arises
609
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.

5
When trouble arises
619
5-2. Steps to take in an emergency
If a war ning message is displayed (vehicles with multi-infor mation display)
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 messageDetails
(Flashing) Indicates that the engine coolant temperature is
too high
A buzzer also sounds.
Indicates that the automatic transmission fluid
temperature is too high A buzzer also sounds.
If a warning is shown on the multi- information display, stay calm and
perform the following actions:
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the
multi-information display.
Multi-information display
If any of the warning lights turns on again after performing the fol-
lowing actions, contact your Toyota dealer.

730
Alphabetical index
Alphabetical index
A/C ..................................... 298, 307
ABS ........................................... 249
Accessory meter ...................... 207
Active traction control system .................................... 249
Air conditioning filter............... 572
Air conditioning system Air conditioning filter .............. 572
Automatic air conditioning system ................................ 298
Manual air conditioning system ................................ 307
Airbags
Airbag operating conditions............................ 125
Airbag precautions for your
child .................................... 129
Airbag warning light............... 610
Curtain shield airbag operating conditions............ 126
Curtain shield airbag precautions ......................... 129
Front passenger occupant classification system ........... 135
General airbag
precautions ......................... 129
Locations of airbags .............. 122
Modification and disposal of airbags ............................ 133
Proper driving posture ........................ 120, 129
Roll sensing of curtain shield airbag off switch .................. 134
Side airbag operating conditions............................ 126
Side airbag precautions ........ 129
SRS airbags .......................... 122
Alarm ......................................... 117
Antenna..................... 329, 371, 526
Anti-lock brake system ABS warning light .................. 610
Anti-lock brake system .......... 249
Armrest ..................................... 506 Audio input ............................... 366
Audio remote controls ............ 368
Audio system
Antenna................. 329, 371, 526
Audio input ............................ 366
Audio visual input .................. 416
AUX port ............................... 366
A/V input port ........................ 416
CD player/changer ................ 332
DVD player............................ 399
iPod ....................................... 349
MP3/WMA disc ..................... 341
Optimal use ........................... 362
Portable music player ........... 366
Radio..................................... 324
Rear seat entertainment
system ................................ 390
Steering wheel audio switch.................................. 368
Type ...................................... 320
USB memory......................... 355
Audio visual input.................... 416
AUTO LSD system ................... 246
Automatic light control system .................................... 214
Automatic transmission Automatic transmission ......... 181
If the shift lever cannot be shifted from P ..................... 643
TOW/HAUL switch ................ 184
AUX port ................................... 366
Auxiliary boxes ....................... 483
A/V input port ........................... 416
Back-up lights
Replacing light bulbs ............. 594
Wattage................................. 680
Back window Back window ......................... 101
Power back window .............. 102
Back window defogger............ 317A
B

733
Alphabetical index
Preparing and checking
before winter ...................... 267
Engine coolan t temperature
gauge ..................................... 189
Engine immobilizer system .... 115
Engine oil
Capacity ............................... 671
Checking .............................. 545
Preparing and checking before winter ...................... 267
Warning light ........................ 609
Engine switch .......................... 178
Event data recorder .................. 38
FFV ................................... 110, 681
Flex-fuel ........................... 110, 681
Flexible fuel vehicle ........ 110, 681
Floor mat .................................. 508
Fluid Brake .................................... 550
Washer ................................. 555
Fog lights
Replacing light bulbs ............ 593
Switch ................................... 215
Wattage ................................ 680
Four-wheel drive system ........ 242
Front fog lights Replacing light bulbs ............ 593
Switch ................................... 215
Wattage ................................ 680
Front passenger occupant
classification system............ 135
Front passenger’s seat belt reminder light ........................ 611
Front passenger’s seat belt warning buzzer.............. 611, 614
Front seats
Adjustment ............................. 60
Front side marker lights Replacing light bulbs ............ 592
Switch ................................... 210
Wattage ................................ 680 Front turn signal lights
Replacing light bulbs .............591
Switch....................................186
Wattage .................................680
Fuel
Capacity ................................671
Fuel gauge ............................189
Fuel pump shut off system ....608
Gas station information .........744
Information ............................681
Refueling ...............................110
Type ......................................671
Warning light .........................611
Warning message .................620
Fuel door...................................110
Fuel filler door ..........................110
Fuel pump shut off system .....608
Fuses.........................................577
Garage door opener.................513
Gas station information...........744
Gauges ......................................189
Glove box..................................463
Hands-free system (for cellular phone) ................426
Hazard lights switch ................600
Head restraints
Adjusting ................................73
Headlights
Replacing light bulbs .....589, 590
Switch....................................210
Wattage .................................680
High mounted stoplight Replacing ..............................595
Wattage .................................680
Heaters Seat heaters ..........................502
Seat heaters and ventilators ...........................504
Side mirror.....................315, 317
F
G
H

734 Alphabetical index
Hood .......................................... 542
HooksCargo net .............................. 511
Deck hooks ........................... 510
Shopping bag ........................ 511
Horn........................................... 188
I/M test....................................... 537
Identification Engine ................................... 669
Tire ........................................ 686
Vehicle .................................. 668
Ignition switch .......................... 178
Illuminated entry system ......... 455
Immobilizer system.................. 115
Indicator lights ......................... 195
Initialization
Items to initialize.................... 699
Maintenance data.................. 533
Moon roof .............................. 107
Tire pressure warning system ................................ 558
Inside rear view mirror ..............88
Interior lights Interior lights.................. 455, 457
Personal lights............... 455, 457
Switch.................................... 457
Wattage ................................. 680
Instrument panel light control .................................... 194
Intuitive parking assist ............ 227
Jack
Positioning the jack ............... 631
Vehicle-equipped jack ........... 623
Jack handle .............................. 629 Keyless entry ............................. 46
Keys
Engine switch ........................ 178
If you lose your keys ............. 646
Ignition switch ....................... 178
Keyless entry .......................... 46
Key number............................. 44
Keys ........................................ 44
Wireless remote control .......... 46
License plate lights Replacing light bulbs ............. 596
Switch ................................... 210
Wattage................................. 680
Light bulbs Replacing .............................. 588
Wattage................................. 680
Lights Automatic light off system ..... 214
Cargo lamp switch ................ 460
Emergency flasher switch.................................. 600
Fog light switch ..................... 215
Hazard light switch ................ 600
Headlight switch .................... 210
Instrument panel light control dial .......................... 194
Interior light switch ................ 457
Outer foot lights..................... 455
Personal light switch ............. 457
Replacing light bulbs ............. 588
Turn signal lever ................... 186
Vanity lights........................... 489
Wattage................................. 680
Load capacity ................... 265, 662
Lock steering column.............. 179
Luggage storage box ...... 461, 485
Luggage compartment features .................................. 510
I
J
K
L

735
Alphabetical index
Maintenance
Do-it-yourself
maintenance ...................... 538
General maintenance ........... 534
Maintenance data ................. 658
Maintenance requirements ... 532
Vehicle exterior..................... 526
Vehicle interior...................... 529
Maintenance data .................... 533
Malfunction indicator lamp .... 610
Manual air conditioning system ................................... 307
Manual headlight leveling dial.......................................... 212
Master warning light ....... 611, 619
Map holder ............................... 470
Meter Accessory meter................... 207
Instrument panel light control ................................ 194
Meters .................................. 189
Mirrors Inside rear view mirror ............ 88
Side mirror heaters ....... 315, 317
Side mirrors ............................ 91
Vanity mirrors ....................... 489
Moon roof................................. 105
MP3 disc................................... 341
Multi-information display ................................... 200
Noise from under vehicle ......... 36
Odometer ................................. 189
Off-road precautions............... 257
Oil Engine oil.............................. 545
Warning light ................ 609, 611
Opener
Hood ..................................... 542
Outside rear view mirrors Adjusting and folding .............. 91 Outside temperature
display ....................................491
Overhead console ....................477
Overheating, Engine ................651
Parking assist...........................227
Parking brake ...........................187
Parking lights Replacing light bulbs .............591
Switch....................................210
Wattage .................................680
Pen holder ................................473
Personal lights Switch....................................457
Wattage .................................680
Power back window .................102
Power outlet .....................493, 498
Power steering Fluid ..............................552, 677
Power windows ..........................96
Radiator ....................................550
Radio .........................................324
Rear seat Adjustment ..............................65
Folding down ...........................67
Raising the bottom cushion .....66
Rear seat entertainment system ....................................390
Rear seat entertainment
system controller battery......396
Rear side marker lights Replacing light bulbs .............594
Switch....................................210
Rear seat adjustment.................65
Rear seat adjustment precautions ..............................68
Rear turn signal lights Replacing light bulbs .............594
Switch....................................186
Wattage .................................680M
N
O
P
R