2011 TOYOTA TUNDRA check engine

600 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.

602 5-2. Steps to take in an emergency
(On the center panel)Front passenger’s seat
belt reminder light
(warning buzzer)
*3
Warns the right front pas-
senger to fasten his/her
seat belt.
Fasten the seat belt.
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.
Warning lightWarning light/DetailsCorrection procedure

604 5-2. Steps to take in an emergency
■Open moon roof reminder buzzer
The buzzer indicate that the moon roof is still opened (with the engine switch
in the ACC or LOCK position and the driver’s door opened).
■ If the malfunction indicator lamp comes on while driving
First check the following:
● Is your vehicle low on gas?
If it is, refuel the vehicle immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after taking several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
■ Front passenger detect ion sensor and passenger seat belt reminder
If luggage or other load is placed on the right front passenger seat, depend-
ing on its weight, the reminder light to flash and buzzer to sound.
■
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level.
Pushing the tire pressure warning reset switch does not turn off the tire
pressure warning light.
■The tire pressure warning light ma y turn on due to natural causes
The tire pressure warning light may turn on due to natural causes such
as natural air leaks or tire inflation pressure changes caused by temper-
ature. In this case, adjusting the ti re inflation pressure will turn off the
warning light (after several minutes).
■When a tire is replaced with a spare tire
The temporary spare tire is not equipped with the tire pressure warning
valve and transmitter. If a tire goes flat, the tire pressure warning light will
not turn off even though the flat tire is replaced with the temporary spare
tire. Replace the temporary spare tire with the repaired tire and adjust
the proper tire inflatio n pressure. The tire pres sure warning light will turn
off after several minutes.

5
When trouble arises
605
5-2. Steps to take in an emergency
■If the tire pressure warning system is inoperative
The tire pressure warning system will be disabled in the following condi-
tions:
(When the condition be
comes normal, the system will work properly.)
●If tires not equipped with tire pressure warning valves and transmit-
ters are used.
●If the ID code on the tire pressure warning valves and transmitters is
not registered in the tire pressure warning computer.
The tire pressure warning system may be disabled in the following condi-
tions:
(When the condition be comes normal, the system will work properly.)
●If electronic devices or facilities using similar radio wave frequencies
are nearby.
●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. 537)
■ 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. 683)

610 5-2. Steps to take in an emergency
(U.S.A. only)Indicates that the engine
oil is scheduled to be
changed.
A buzzer also sounds.
Check the engine oil,
and change if neces-
sary.
Comes on approxi-
mately 4500 miles (7200
km) after the engine oil
is changed. (The indica-
tor will not work prop-
erly unless the oil
maintenance data has
been reset).
(U.S.A. only) Indicates that the engine
oil should be changed.
A buzzer also sounds.
Check and change the
engine oil.
Comes on approxi-
mately 5000 miles (8000
km) after the engine oil
is changed (and the oil
maintenance 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.
Warning messageDetailsCorrection procedure

624 5-2. Steps to take in an emergency
Stowing the flat tire, jack and all toolsRemove the center wheel ornament by pushing from thereverse side.
Lay down the tire with the outer side facing up, and install the
holding bracket.
Then secure the tire, taking care that the tire goes straight up
without catching on any other part, to prevent it from flying for-
ward during a collisi on or sudden braking.
Keep winding until three clicks are heard.
Stow the tools and jack securely.
■After completing the tire change
The tire pressure warnin g system must be reset. ( P. 548)
■When using the temporary spare tire
As the temporary spare tire is not equipped with the tire pressure warn-
ing valve and transmitter, low inflation pressure of the spare tire will not
be warned. Also, if you replace the temporary spare tire after the tire
pressure warning light comes on, the light remains on.
CAUTION
■Using the jack
Improper use of the jack may lead to death or serious injuries due to the
vehicle suddenly fa lling off the jack.
●Do not use the jack for any purpose ot her than replacing tires or install-
ing and removing tire chains.
●Only use the jack that comes with this vehicle for replacing a flat tire.
Do not use it on other vehicles, an d do not use other jacks for replac-
ing tires on this vehicle.
●Always check that the jack is securely set to the jack point.
●Do not put any part of your body under the vehicle supported by a jack.
●Do not start or run the engine while your vehicle is supported by the
jack.

5
When trouble arises
635
5-2. Steps to take in an emergency
■
Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■ Avoiding a discharged battery
●Turn off the headlights and the audio system while the engine is turned
off.
● Turn off any unnecessary electrical components when the vehicle is run-
ning at a low speed for an extended period, such as in heavy traffic, etc.
■ When the battery is removed or discharged
●The moon roof must be initialized. ( P. 104)
● Flex-fuel vehicles: The information recorded in the computer will be
cleared, which may cause the engine to run roughly and reduce driving
performance for a while when the engine is first started. In this case, wait
until the engine runs normally.
If the vehicle is running on E85, the engine may stall.
In this case, restart the engine, repeatedly if necessary.
Positive (+) battery terminal on your vehicle
Positive (+) battery terminal on the second vehicle
Negative (-) battery terminal on the second vehicle
Connect the jumper cable to ground on your vehicle as shown in
the illustration.
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Maintain the engine speed of the second vehicle and start
the vehicle’s engine.
Once the vehicle’s engine has started, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Toyota
dealer as soon as possible.

5
When trouble arises
637
5-2. Steps to take in an emergency
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the air condi-
tioning system.
Check to see if steam is coming out from under the hood.
If you see steam: Stop the engine. Carefully lift the hood after the steam
subsides and then restart the engine.
If you do not see steam: Leave the engine running and carefully lift the hood.
Check to see if the cooling fan is operating.
If the fan is operating: Wait until the temperature of the engine (shown on the
instrument cluster) begins to fall and then stop the
engine.
If the fan is not operating: Stop the engine immediately and call your local Toyota
dealer.