check engine light TOYOTA TUNDRA 2022 User Guide

2174-2. Driving procedures
4
Driving
Turn signal lever
Right turn
Lane change to the right (move
the lever partway and release
it)
The right hand signals will flash 3
times.
Lane change to the left (move
the lever partway and release
it)
The left hand signals will flash 3
times.
Left turn
■Turn signals can be operated when
Vehicles without a smart key system
The engine switch is in the “ON” position.
Vehicles with a smart key system
The engine switch is in IGNITION ON mode.
■ If the indicator flashes faster than usual
Check that a light bulb in the front or rear turn signal lights has not burned
out.
Operating instructions
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2314-3. Operating the lights and wipers
4
Driving
■The windshield wipers and washer can be operated when
Vehicles without a smart key system
The engine switch is in the “ON” position.
Vehicles with a smart key system
The engine switch is in IGNITION ON mode.
■ If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washe r fluid in the
windshield washer fluid reservoir.
WARNING
■ Caution regarding the use of washer fluid
When it is cold, do not use the washer fluid until the windshie ld becomes
warm. The fluid may freeze on the windshield and cause low visi bility. This
may lead to an accident, resulting in death or serious injury.
NOTICE
■ When the windshield is dry
Do not use the wipers, as they may damage the windshield.
■ When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may over-
heat.
■ When a nozzle becomes blocked
In this case, contact your Toyota dealer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.

3284-6. Driving tips
Winter driving tips
●Use fluids that are appropriate t o the prevailing outside tempera-
tures. • Engine oil
• Engine coolant
• Washer fluid
● Have a service technician inspec t the condition of the battery.
● Have the vehicle fitted with four snow tires or purchase a set of tire
chains for the rear tires.
Ensure that all tires are the same size and brand, and that chains match
the size of the tires.
Perform the following according to the driving conditions:
● Do not try to forcibly open a window or move a wiper that is fr ozen.
Pour warm water over the frozen area to melt the ice. Wipe away
the water immediately to p revent it from freezing.
● To ensure proper operation of the climate control system fan,
remove any snow that has accumulated on the air inlet vents in
front of the windshield.
● Check for and remove any excess ic e or snow that may have accu-
mulated on the exterior lights, vehicle’s roof, chassis, around the
tires or on the brakes.
● Remove any snow or mud from the bottom of your shoes before
getting in the vehicle.
Accelerate the vehicle slowly, keep a safe distance between you and
the vehicle ahead, and drive at a reduced speed suitable to roa d con-
ditions.
Carry out the necessary preparations and inspections before
driving the vehicle in winter. Always drive the vehicle in a ma n-
ner appropriate to the prevailing weather conditions.
Preparation for winter
Before driving the vehicle
When driving the vehicle

3785-4. Other interior features
■If the engine is started with th e power outlet main switch on
The maximum capacity of the power supply may decrease to below the stan-
dard, or may be cut off completely, even when the vehicle is st ationary.
■ The protection circuit may be act ivated to cut the power supply if any of
the following conditions apply:
● The engine is started with the power outlet main switch on.
● Use of electrical appliances exceeding the maximum capacity is attempted.
A sound may be heard when the protection circuit is activated. This is nor-
mal and does not indicate a malfunction.
● Electrical appliances, which consume power exceeding 100 W, have been
used continuously for a long time period.
● The total power usage by all electrical features (headlights, a ir conditioning,
etc.) has exceeded the total vehicle maximum for an extended period of
time.
■ If the protection circuit is act ivated and the power supply is cut, conduct
the following procedure:
Park the vehicle in a safe place, and then securely apply the parking
brake.
Check and ensure the following conditions:
Vehicles with an automatic transmission
The shift lever is in P or N.
Vehicles with a manual transmission
The shift lever is in N and the clutch pedal is not depressed.
Make sure that the power consumption of the electric appliance is within
the maximum capacity of the power outlet and the appliance is n ot bro-
ken.
Press the power outlet main switch again.
When the cabin temperature is high, open the windows to cool th e tempera-
ture down. Once it reaches the normal temperature, turn the pow er outlet
main switch on again.
If the power supply does not resume even after the above procedure has
been performed, have the vehicle inspected by your Toyota deale r.
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401
6Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 402
Cleaning and protecting the vehicle interior ........... 406
6-2. Maintenance Maintenance requirements ................... 409
General maintenance ........ 411
Emission inspection and maintenance (I/M)
programs ......................... 414 6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ..................... 415
Hood ................................. 417
Engine compartment ......... 419
Tires .................................. 431
Tire inflation pressure ....... 442
Wheels .............................. 445
Air conditioning filter.......... 448
Wireless remote control/ electronic key battery ...... 451
Checking and replacing fuses ............................... 454
Light bulbs......................... 457

4136-2. Maintenance
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Maintenance and care
Vehicle exterior
ItemsCheck points
Doors• Do the doors operate smoothly?
Engine hood• Does the engine hood lock system work prop-erly?
Fluid leaks• There should not be any signs of fluid leakageafter the vehicle has been parked.
Tires
• Is the tire inflati on pressure correct?
• The tires should not be damaged or exces- sively worn.
• Have the tires been rotated according to the maintenance schedule?
• The wheel nuts should not be loose.
Lights• Do all the lights come on?
Windshield wipers
• The wiper blades should not show any signs
of cracking, splitting, wear, contamination or
deformation.
• The wiper blades should clear the windshield without streaking or skipping.
WARNING
■If the engine is running
Turn the engine off and ensure that there is adequate ventilation before per-
forming maintenance checks.

4276-3. Do-it-yourself maintenance
6
Maintenance and care
2GR-FKS engine
Full (when cold)
Add fluid (when cold)
Full (when hot)
Add fluid (when hot)
Hot: Vehicle has been driven around 50 mph (80 km/h) for 20 minutes, or slightly longer in frigid temperatures. (Fluid
temperature, 140°F - 175°F [60°C - 80°C])
Cold: Engine has not been run for about 5 hours. (Room tem- perature, 50°F - 85°F [10°C - 30°C])
■Checking the fluid level
Make sure to check the fluid type and prepare the necessary items.
Clean all dirt off the reservoir.
Remove the cap by turning it counterclockwise.
Wipe the dipstick clean.
Reinstall the cap and remove it again.
Check the fluid level.
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Fluid type Automatic transmission fluid DEXRON® II or III
Items Rag or paper, clean funnel (only for adding fluid)
WARNING
■Checking the fluid level
Take care, as the reservoir may be hot.
NOTICE
■When adding fluid
Avoid overfilling, or the power steering may be damaged.
■ After replacing the reservoir cap
Check the steering box case, vane pump and hose connections for leaks or
damage.
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4867-2. Steps to take in an emergency
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
■
When the tire pressure warning light comes on (if equipped)
Check the tire inflation pressure and adjust to the appropriate level. Push-
ing the tire pressur e warning reset switch will not turn off the tire pressure
warning light.
■The tire pressure warning light may come on due to natural caus es
(if equipped)
The tire pressure warning light may come on due to natural caus es such
as natural air leaks and tire inflation pressure changes caused by tem-
perature. In this case, adjusting the tire inflation pressure w ill turn off the
warning light (after several minutes).
■When a tire is replaced with a spare tire (vehicles with the ti re pres-
sure warning system)
The temporary spare tire is not equipped with a tire pressure w arning
valve and transmitter. If a tire goes flat, the tire pressure w arning light will
not turn off even though the flat tire has been replaced with t he temporary
spare tire. Replace the temporary spare tire with the repaired tire and
adjust the tire inflation pressu re. The tire pressure warning l ight will go off
after several minutes.
■Conditions that the tire pressure warning system may not functi on
properly (if equipped)
 P. 4 3 6
■If the tire pressure warning light frequently comes on after bl inking
for 1 minute (if equipped)
If the tire pressure warning light frequently comes on after bl inking for 1
minute when the engine switch is turned to “ON” position (vehic les with-
out a smart key system) or IGNITION ON mode (vehicles with a sm art
key system), have it checked by your Toyota dealer.
■Warning buzzer
In some cases, the buzzer may not be heard because of noisy pla ce or an
audio sound.

5057-2. Steps to take in an emergency
7
When trouble arises
After taking the specified steps to correct the suspected problem,
check that the warning m essage and light go off.
Have the malfunction repaired immediately. (vehicles with a
smart key system)
Interior
buzzerExterior buzzerWarning messageDetails/Actions
Contin-
uous  The driver’s door was opened
when the shift lever was not in
P and the engine switch was
not turned off.

Shift the shift lever to P.
Contin-
uousContin-
uous
The driver’s door was opened
and closed while the elec-
tronic key was not in the vehi-
cle, the shift lever was not in P
and the engine switch was not
turned off.
Shift the shift lever to P.
 Bring the electronic key
back into the vehicle.
(Flashes)
(Displayed alternately)
(Flashes)

5488-1. Specifications
*1: Your Toyota vehicle is filled with “Toyota Genuine Differential Gear Oil” at
the factory. Use Toyota approved “Toyota Genuine Differential Gear Oil” or
an equivalent oil of matching quality to satisfy the above specification.
Please contact your Toyota dealer for further details.
*2: Except for GRN330L-PRTSHA, GRN330L-PRTLHA, GRN310L-PRTSHA and GRN310L-PRTLHA models
*6 without rear differential lock system
*3: For GRN330L-PRTSHA, GRN330L -PRTLHA, GRN310L-PRTSHA and
GRN310L-PRTLHA models
*6 without rear differential lock system
*4: Except for GRN330L-PRTSHA, GRN330L-PRTLHA, GRN310L-PRTSHA and GRN310L-PRTLHA models
*6 with rear differential lock system
*5: For GRN330L-PRTSHA and GRN310L-PRTSHA models*6 with rear differ-
ential lock system
*6: The model code is indicated on the Certification Label. ( P. 543)
Electrical system
Battery
Open voltage at 68F
(20 C):
12.3V or higher
(Voltage is checked 20 minutes after the engine
and all lights are turned off.
After charging the battery, turn on the high beam
headlights for 30 seconds with the engine switch
to the “LOCK” position [vehicles without a smart
key system] or off [vehicles with a smart key sys-
tem], and turn the headlights off.)
Charging rates5 A max.
Differential
Oil capacity
(Reference)
Front (4WD models) 1.6 qt. (1.5 L, 1.3 Imp.qt.)
Rear
Vehicles with an automatic trans-
mission
3.1 qt. (2.9 L, 2.6 Imp.qt.)
*2
3.22 qt. (3.05 L, 2.68 Imp.qt.)*3
4.0 qt. (3.8 L, 3.3 Imp.qt.)*4
4.2 qt. (4.0 L, 3.5 Imp.qt.)*5
Vehicles with a manual transmis-
sion
4.0 qt. (3.8 L, 3.3 Imp.qt.)
Oil type and viscosity*1Toyota Genuine Differential Gear Oil
LT 75W-85 GL-5 or equivalent