2011 TOYOTA TUNDRA engine

565
4-3. Do-it-yourself maintenance
4
Maintenance and care
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Turn the engine switch off.
The fuses are located in the following places. To check the
fuses, follow the in structions below.
Engine compartment
Push the tab in and lift the lid
off.
Under the instrument panel Remove the lid.
After a system failure, see “Fuse layout and amperage rat-
ings” ( P. 568) for details about which fuse to check.

568 4-3. Do-it-yourself maintenance
Fuse layout and amperage ratings■ Engine compartment
FuseAmpereCircuit
1 A/F 15 A Multiport fuel injection system/
sequential multiport fuel injection
system
2 HORN 10 A Horn
3 EFI NO.1 25 A Multiport fuel injection system/
sequential multiport fuel injection
system
4 IG2 MAIN 30 A INJ, MET, IGN fuses
5 DEICER 20 A Front windshield wiper de-icer
6 TOW TAIL 30 A Trailer lights (tail lights)
7 POWER NO.4 25 A Power windows
8 POWER NO.2 30 A Power back windows
9 FOG 15 A Front fog lights

570 4-3. Do-it-yourself maintenance
23 ECU-B17.5 AMultiplex communication system,
Multiport fuel injection system/
sequential multiport fuel injection
system, auto anti-glare inside rear
view mirror, power outlets, power
front driver’s seat, power tilt and
power telescopic
24 DOME 7.5 AInterior lights, personal lights, van-
ity lights, engine switch light, foot
light, accessory meter
25 HEAD LH 15 ALeft-hand headlight
(high beam)
26 HEAD LL 15 ALeft-hand headlight
(low beam)
27 INJ 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, ignition system
28 MET 7.5 A Gauges and meters
29 IGN 10 ASRS airbag system, multiport fuel
injection system/sequential multi-
port fuel injection system, cruise
control system
30 HEAD RH 15 ARight-hand headlight
(high beam)
31 HEAD RL 15 ARight-hand headlight
(low beam)
32 EFI NO.2 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, leak detection pump
33 DEF I/UP 5 A No circuit
34 SPARE 5 A Spare fuse
35 SPARE 15 A Spare fuse
36 SPARE 30 A Spare fuse
FuseAmpereCircuit

When trouble arises5
587
5-1. Essential informationEmergency flashers ......... 588
If your vehicle needs to be towed ........................ 589
If you think something is wrong ............................. 595
Fuel pump shut off system ........................... 596
Event data recorder ......... 597 5-2. Steps to take in
an emergency
If a warning light turns on or a warning buzzer
sounds... ........................ 599
If a warning message is displayed (vehicles
with multi-information
display) .......................... 608
If you have a flat tire......... 612
If the engine will not start ................................ 628
If the shift lever cannot be shifted from P............ 630
If you lose your keys ........ 633
If the vehicle battery is discharged ..................... 634
If your vehicle overheats ....................... 637
If the vehicle becomes stuck .............................. 640
If your vehicle has to be stopped in
an emergency ................ 641

588
5-1. Essential information
Emergency flashers
NOTICE
■To prevent battery discharge
Do not leave the emergency flashers on longer than necessary when the
engine is not running.
Use the emergency flashers if th e vehicle malfunctions or is
involved in an accident.
Press the switch to flash all
the turn signal lights. To turn
them off, press the switch
once again.

5
When trouble arises
589
5-1. Essential information
If your vehicle needs to be towed
Before towingThe following may indicate a problem with your transmission. Contact
your Toyota dealer before towing.
● The engine is running, but the vehicle will not move.
● The vehicle makes an abnormal sound.
Emergency towing
If a tow truck is not available, in an emergency your vehicle may be
temporarily towed using a cable or chain secured to the emergency
towing eyelet. This should only attempted on hard, surfaced roads for
short distances at low speeds.
A driver must be in the vehicle to steer and operate the brakes. The
vehicle’s wheels, drive train, axles, steering and brakes must be in
good condition.
Type A Towing eyelet
If towing is necessary, we recommend having your vehicle towed by
your Toyota dealer or a commerci al towing service, using a lift-type
truck or a flat bed truck.
Use a safety chain system for all to wing, and abide by all state/pro-
vincial and local laws.
The wheels and axle on the groun d must be in good condition.
If they are damaged, use a towing dolly or flat bed truck.

590 5-1. Essential information
Type BTowing eyelet
■Emergency towin g procedure
The engine switch must be in the ACC (engine off) or the ON
(engine running) position.
4WD models: Put the front-wheel drive control switch in 2WD.
Shift the shift lever to N.
Release the parking brake.
CAUTION
■ Caution while towing
●Use extreme caution when towing the vehicle.
Avoid sudden starts or erratic driving maneuvers which place excessive
stress on the emergency towing eyelet and the cables or chains. Always
use caution for the surroundings and other vehicles while towing.
● If the engine is not running, the power assist for the brakes and steering
will not function, making steering and braking more difficult.

592 5-1. Essential information
Towing with a wheel lift-type truck from the frontUse a towing dolly under the rear
wheels.
Towing with a wheel lift-type truck from the rear2WD models Turn the engine switch to the
ACC position.
NOTICE
■To prevent serious damage to the transmission
Never tow this vehicle wheels on the ground.