2009 TOYOTA TUNDRA low oil pressure

188
2-2. Instrument cluster
Gauges and meters
Vehicles with multi-information display
The following gauges, meters and displays illuminate when the
engine switch is in the ON position. Tachometer
Displays the engine speed in revolutions per minute.
Speedometer
Displays the vehicle speed.
Fuel gauge
Displays the quantity of fuel remaining in the tank.
Vo l t m e t e r
Displays the charge state.
Engine oil pressure gauge
Displays the engine oil pressure.
Engine coolant temperature gauge
Displays the engine coolant temperature.
Odometer/trip meter switching and trip meter resetting button
Switches between odometer and trip meter displays. Pushing and hold-
ing the button will reset the trip meter when the trip meter is being dis-
played.

484 4-3. Do-it-yourself maintenance
Engine coolantThe coolant level is satisfactory if it is between the FULL and LOW
lines on the reservoir when the engine is cold. Reservoir cap
FULL
LOW
If the level is on or below the
LOW line, add coolant up to the
FULL line.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■ When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
● Avoid overfilling, as the engine could be damaged.
● Check the oil level on the dipstick every time you refill the vehicle.
● Be sure the engine oil filler cap is properly tightened.
■If the coolant level drops within a short time after replenishing
Visually check the radiator, hoses, reservoir cap, radiator cap, drain cock
and water pump.
If you cannot find a leak, have your Toyota dealer pressure test the cap and
check for leaks in the cooling system.

5
When trouble arises
541
5-1. Essential information
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact your Toyota dealer as soon as
possible.
■ Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from the air cond itioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temperature g auge needle continually points
higher than normal
● Voltmeter continually points higher or lower than normal
(if equipped)
● Engine oil pressure gauge continually points lower than nor-
mal (if equipped)
● Automatic transmission fluid temperature gauge needle con-
tinually points higher than normal (if equipped)
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
●Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, s pongy feeling, pedal almost
touches the floor

546 5-2. Steps to take in an emergency
*1: Vehicles without tachometer
*2: The light may come on when the oil level is extremely low. It is not designedto indicate low oil level, and the oil level must be checked using the engine
oil level dipstick.
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
*1Low engine oil pressure warning light
Indicates that the engine oil pressure is too low*2.
Warning lightWarning light/Details
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.

548 5-2. Steps to take in an emergency
Tire pressure warning
light
• When the light comes on: Low tire inflation pres-
sure. Adjust the tire
inflation pressure.
• When the light comes on after blinking for 1
minute: Malfunction in
the tire pressure warning
system. Have the system
checked by your
Toyota dealer.
Low fuel level warning
light
Low level of fuel. Refuel the vehicle.
*4Low washer fluid warn-
ing light
Low level of washer fluid. Fill the tank.
*4
(U.S.A.)Engine oil replacement
reminder light
• Illuminates for about 3
seconds and then flashes
for about 12 seconds: Indi-
cates that the engine oil is
scheduled to be changed. Check the engine oil,
and change if neces-
sary.
• Comes on and remains: Indicates that the engine
oil should be changed. Check and change the
engine oil.
*5
Master warning light
A buzzer sounds and the
warning light comes on
and flashes to indicate
that the master warning
system has detected a
malfunction. P. 554
Warning lightWarning light/DetailsCorrection procedure

5
When trouble arises
551
5-2. Steps to take in an emergency
●If a radio set at similar frequencies 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, 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 comes on after blinking for 1
minute frequently
If the tire pressure warning light comes on after blinking for 1 minute fre-
quently when the engine switch is turned to the ON position, have it
checked by your Toyota dealer.
■ After changing the engine oil (U.S.A. only)
Make sure to reset the oil maintenance data. ( P. 483)
■ Customization that can be co nfigured at Toyota dealer
The vehicle speed linked front passenger’s seat belt reminder buzzer can be
disabled. (Customizable features P. 633)
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 result 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.

636
6-2. Customization
Items to initialize
ItemWhen to initializeReference
Moon roof
• After reconnecting or changing the battery
• After changing a fuse
P. 9 9
Engine oil maintenance
dataAfter changing engine oilP. 483
Tire pressure warning sys-
tem
• When rotating the tires on vehi- cles differing with front and rear
tire inflation pressures.
• When changing the tire inflation pressure by changing traveling
speed or load weight, etc.
• When changing the tire size.
P. 494
The following items must be initia lized for normal system operation
in cases such as after the battery is reconnected, or maintenance is
performed on the vehicle.

664 Alphabetical index
TowingBumper towing ...................... 261
Dinghy towing........................ 272
Emergency towing................. 535
Fifth wheel trailer ................... 260
Trailer towing......................... 250
Traction control........................ 230
TRAC ......................................... 230
Trip information ....................... 198
Trip meter ................................. 192
Turn signal lights Replacing light bulbs ..... 525, 528
Switch.................................... 185
Wattage ................................. 617
Valet key .....................................42
Vanity lights Vanity lights ........................... 425
Wattage ................................. 617
Vanity mirrors........................... 425
Vehicle identification number ................................... 603
Vehicle stability control........... 230
VSC............................................ 230
Warning buzzers Brake system ........................ 545
Key reminder ...................50, 549
Open door ..................... 547, 549
Seat belt reminder ......... 547, 549
Warning lights ABS ....................................... 546
Airbag system ....................... 546
Anti-lock brake system .......... 546
Automatic transmission fluid temperature ................. 547
Brake assist system .............. 546
Brake system ........................ 545
Charging system .... ............... 545
Electronic engine control system ................................ 546
Engine oil pressure ............... 546 Four-wheel drive system
warning buzzer ................... 549
Driver’s seat belt ................... 547
Front passenger occupant classification system ........... 546
Front passenger’s seat belt .............................. 547
Low brake fluid ...................... 545
Low engine oil pressure ........ 546
Low fuel level ................ 548, 556
Low tire inflation
pressure.............................. 548
Malfunction indicator lamp .... 546
Master warning light .............. 548
Open door ............................. 547
Pretensioners ........................ 546
Seat belt reminder light ......... 547
SRS airbags .......................... 546
Tire pressure warning light.... 548
VSC/TRAC ............................ 547
Warning messages .................. 554
Washer Checking ............................... 492
Preparing and checking
before winter ....................... 246
Switch ................................... 211
Washing and waxing ............... 460
Weight Cargo capacity ...................... 244
Cargo weight rating ............... 644
Gross axle weight rating ....... 648
Gross vehicle weight rating ... 648
Vehicle capacity weight......... 594
Towing capacity .................... 598
Load limits ............................. 244
Weight ........... 594, 598, 644, 648
Wheels ...................................... 505
Window glasses ............ 94, 96, 97
Window lock switch................... 95
Windows Back window defogger .......... 295
Power back window ................ 97
Power windows ....................... 94
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