engine TOYOTA SEQUOIA 2016 2.G Owners Manual

438 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 L2 RR2 SEAT 30 A Power third seat
6 L1 RR2 SEAT 30 A Power third seat
7 CDS FAN 25 A Electric cooling fans
8 DEICER 20 A Windshield wiper de-icer
9 TOW TAIL 30 A Trailer lights (tail lights)
10 CDS FAN NO.2 25 A Electric cooling fans
11 R2 RR2 SEAT 30 A Power third seat
12 R1 RR2 SEAT 30 A Power third seat

440 4-3. Do-it-yourself maintenance
28 ECU-B17.5 AMultiplex communication system,
Multiport fuel injection system/
sequential multiport fuel injection
system, auto anti-glare inside rear
view mirror, power front driver’s
seat, power tilt and power tele-
scopic, power back door, gateway
ECU
29 DOME 7.5 AInterior lights, personal lights, van-
ity lights, engine switch light, foot
light, door courtesy lights, acces-
sory meter, power back door,
power third seat
30 HEAD LH 15 ALeft-hand headlight
(high beam)
31 HEAD LL 15 ALeft-hand headlight
(low beam)
32 INJ 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, ignition system
33 MET 7.5 A Gauges and meters
34 IGN 10 ASRS airbag system, multiport fuel
injection system/sequential multi-
port fuel injection system, cruise
control system, gateway ECU
35 HEAD RH 15 ARight-hand headlight
(high beam)
36 HEAD RL 15 ARight-hand headlight
(low beam)
37 EFI NO.2 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, leak detection pump
38 DEF I/UP 5 A No circuit
FuseAmpereCircuit

When trouble arises5
459
5-1. Essential informationEmergency flashers ......... 460
If your vehicle needs to be towed ........................ 461
If you think something is wrong ............................. 467
Fuel pump shut off system ........................... 468 5-2. Steps to take in
an emergency
If a warning light turns on or a warning buzzer
sounds... ....................... 469
If a warning message is displayed (vehicles with
multi-information
display) .......................... 480
If you have a flat tire......... 486
If the engine will not start ................................ 497
If the shift lever cannot be shifted from P............ 499
If you lose your keys ........ 500
If the vehicle battery is discharged ..................... 501
If your vehicle overheats ....................... 504
If the vehicle becomes stuck .............................. 507
If your vehicle has to be stopped in
an emergency ................ 509

460
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
461
5-1. Essential information
If your vehicle needs to be towed
Situations when it is necessary to contact dealers before towingThe following may indicate a problem with your transmission. Contact
your Toyota dealer or commercial towing service before towing.
● The engine is running but the vehicle does not move.
● The vehicle makes an abnormal sound.
Towing with a sling-type truck
Do not tow with a sling-type truck
to prevent body damage.
If towing is necessary, we recommend having your vehicle towed by
your Toyota dealer or commercial towing service, using a wheel-lift
type truck or flatbed truck.
Use a safety chain system for all to wing, and abide by all state/pro-
vincial and local laws.

464 5-1. Essential information
Emergency towing procedureTYPE A Securely attach cables or chains
to the towing hooks.
Take care not to damage the
vehicle body.
TYPE BSecurely attach cables or chains
to the towing hooks.
Take care not to damage the
vehicle body.
Enter the vehicle being towed and start the engine.
If the engine does not start, turn the engine switch to the “ON”
position.
4WD models: Put the front-wheel drive control switch in
“2WD”.
Shift the shift lever to N and release the parking brake.
When the shift lever cannot be shifted: ( P. 499)
■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.

5
When trouble arises
465
5-1. Essential information
CAUTION
Observe the following precautions.
Failure to do so may result in death or serious injury.
■
When towing the vehicle
■ While towing
●When towing using cables or chains, avoid sudden starts, etc. which place
excessive stress on the towing hooks, cables or chains. The towing hooks,
cables or chains may become damaged, broken debris may hit people,
and cause serious damage.
● Do not turn the engine switch to the LOCK position.
There is a possibility that the steering wheel is locked and cannot be oper-
ated.
2WD models: Be sure to transport the
vehicle with all four wheels raised off the
ground. If the vehicle is towed with the
tires contacting the ground, the drivetrain
and related parts may be damaged or an
accident may occur due to a change in
direction of the vehicle.
4WD models: Be sure to transport the
vehicle with all four wheels raised off the
ground. If the vehicle is towed with the
tires contacting the ground, the drivetrain
or related parts may be damaged, the
vehicle may fly off the truck.

466 5-1. Essential information
NOTICE
■To prevent damage to the vehicle when towing using a wheel-lift
type truck
●Do not tow the vehicle from the rear when the engine switch is in the
LOCK position or the key is removed.
The steering lock mechanism is not strong enough to hold the front
wheels straight.
●When raising the vehicle, ensure adequate ground clearance for tow-
ing at the opposite end of the raised vehicle. Without adequate clear-
ance, the vehicle could be damaged while being towed.
■To prevent damage to the vehicle when towing with a sling-type
truck
Do not tow with a sling-type truck, either from the front or rear.
■To prevent damage to the vehicle during emergency towing
Do not secure cables or chains to the suspension components.

5
When trouble arises
467
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 or lower than normal
● Voltmeter continually points higher or lower than normal
● Engine oil pressure gauge continually points higher or lower
than normal
● Automatic transmission fluid temperature gauge needle con-
tinually points higher or lower 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 misfire, 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

468
5-1. Essential information
Fuel pump shut off system
Follow the procedure below to restart the engine after the system is
activated.Turn the engine switch to the ACC or LOCK position.
Restart the engine.
NOTICE
■Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked onto the ground, the fuel system has been
damaged and is in need of repair. Do not restart the engine.
To minimize the risk of fuel leakage when the engine stalls or an air-
bag inflates upon collision, the fuel pump shut off system stops sup-
plying fuel to the engine.