fuse TOYOTA SIENNA 2018 Owners Manual (in English)

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6-3. Do-it-yourself maintenanceDo-it-yourself service precautions ..................... 405
Hood.................................. 407
Positioning a floor jack ...... 409
Engine compartment ......... 410
Tires .................................. 420
Tire inflation pressure........ 429
Wheels .............................. 432
Air conditioning filter .......... 434
Wireless remote control/ electronic key battery ...... 436
Checking and replacing fuses ............................... 439
Light bulbs ......................... 442
7-1. Essential information Emergency flashers .......... 462
If your vehicle has to be stopped in an
emergency ...................... 463
7-2. Steps to take in an emergency
If your vehicle needs to be towed ......................... 465
If you think something is wrong .............................. 469
Fuel pump shut off system............................. 470
If a warning light turns on or a warning buzzer
sounds ............................ 471
If a warning message is displayed ......................... 481
If you have a flat tire (vehicles with a compact
spare tire) ........................ 485 If you have a flat tire
(vehicles with
run-flat tires) .................... 499
If the engine will not start ................................. 501
If the electronic key does not operate properly
(vehicles with a smart
key system) ..................... 503
If the battery is discharged ....................... 505
If your vehicle overheats......................... 509
If the vehicle becomes stuck ................................ 512
8-1. Specifications Maintenance data (fuel, oil level, etc.) .......... 516
Fuel information ................. 526
Tire information.................. 529
8-2. Customization Customizable features ....... 540
8-3. Initialization Items to initialize ................ 550
7When trouble arises
8Vehicle specifications

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3675-4. Using the other interior features
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Interior features
■The power outlet can be used when
Vehicles without a smart key system
12 V: The engine switch is in the “ACC” or “ON” position.
120 V AC: The engine switch is in the “ON” position.
Vehicles with a smart key system
12 V: The engine switch is in ACCESSORY or IGNITION ON mode.
120 V AC: The engine switch is in IGNITION ON mode.
NOTICE
■ To avoid damaging the power outlet
Close the power outlet lid when the power outlet is not in use.
Foreign objects or liquids that enter the power outlet may caus e a short cir-
cuit.
■ To prevent blown fuse
12 V
Do not use an accessory that uses more than 12 V 10 A.
120 V AC
Do not use a 120 V AC appliance that requires more than 100 W.
If a 120 V AC appliance that consumes more than 100 W is used, the pro-
tection circuit may cut the power supply.
■ To prevent battery discharge
Do not use the power outlet longer than necessary when the engi ne is not
running.
■ Appliances that may not operate properly (120 V AC)
The following 120 V AC appliances may not operate properly even if their
power consumption is under 100 W:
● Appliances with high initial peak wattage
● Measuring devices that process precise data
● Other appliances that require an extremely stable power supply

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6Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 392
Cleaning and protecting the vehicle interior ........... 395
6-2. Maintenance Maintenance requirements ................... 398
General maintenance........ 401
Emission inspection and maintenance (I/M)
programs......................... 404
6-3. Do-it-yourself maintenance Do-it-yourself service precautions ..................... 405
Hood ................................. 407
Positioning a floor jack ...... 409
Engine compartment ......... 410
Tires .................................. 420
Tire inflation pressure ....... 429
Wheels .............................. 432
Air conditioning filter.......... 434
Wireless remote control/ electronic key battery ...... 436
Checking and replacing fuses ............................... 439
Light bulbs......................... 442

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6-3. Do-it-yourself maintenance
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Maintenance and care
Do-it-yourself ser vice precautions
If you perform maintenance yourself, be sure to follow the cor-
rect procedure as given in these sections.
ItemsParts and tools
Battery condition
(  P. 4 1 6 )• Warm water• Baking soda• Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
( P. 4 1 5 )• FMVSS No.116 DOT 3 or SAE J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine coolant
level ( P. 413)
• “Toyota Super Long Life Coolant” or similar high
quality ethylene glycol based non-silicate, non-
amine, non-nitrite and non-borate coolant with long-
life hybrid organic acid technology.
For the U.S.A.:
“Toyota Super Long Life Coolant” is pre-mixed with
50% coolant and 50% deionized water.
For Canada:
“Toyota Super Long Life Coolant” is pre-mixed with
55% coolant and 45% deionized water.
• Funnel (used only for adding engine coolant)
Engine oil level
( P. 4 1 1 )• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( P. 439)• Fuse with same amperage rating as original
Light bulbs
( P. 4 4 2 )
• Bulb with same number and wattage rating as origi-
nal
• Phillips-head screwdriver
• Flathead screwdriver• Wrench
Radiator and con-
denser ( P. 415)
Tire inflation
pressure
( P. 429)• Tire pressure gauge
• Compressed air source
Washer fluid
( P. 4 1 9 )• Water or washer fluid containing antifreeze (for win-
ter use)
• Funnel (used only for adding water or washer fluid)

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6-3. Do-it-yourself maintenance
Engine compartment
Washer fluid tank (P. 419)
Engine oil filler cap ( P. 412)
Engine oil level dipstick ( P. 4 1 1 )
Engine coolant reservoir ( P. 413) Brake fluid reservoir (
P. 4 1 5 )
Fuse box ( P. 4 3 9 )
Battery ( P. 4 1 6 )
Electric cooling fans
Condenser ( P. 4 1 5 )
Radiator (P. 4 1 5 )1
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6-3. Do-it-yourself maintenance
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Maintenance and care
Checking and replacing fuses
Turn the engine switch to the “LOCK” position (vehicles without a
smart key system) or off (vehicles with a smart key system).
Open the fuse box cover.
If any of the electrical components do not operate, a fuse may
have blown. If this happens, che ck and replace the fuses as nec-
essary.
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Engine compartment type AEngine compartment type B
Push the tab in and lift the lid o ff. Push the tab in and lift the lid off.
Driver’s side instrument panel
Remove the lid.

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6-3. Do-it-yourself maintenance
Remove the fuse.
Only type A fuses can be removed
using the pullout tool.
Check if the fuse has blown.Normal fuse
Blown fuse
Type A and B
Replace the blown fuse with a new fuse of an appropriate amper-
age rating. The amperage rating can be found on the fuse box lid.
Type C, D and E
Contact your Toyota dealer.
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Ty p e AType B
Ty p e CType D

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4416-3. Do-it-yourself maintenance
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Maintenance and care
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been repla ced, a bulb may
need replacement. ( P. 442)
● If the replaced fuse blows again, have the vehicle inspected by your Toyota
dealer.
■ If there is an overload in the circuit
The fuses are designed to blow, protecting the wiring harness f rom damage.
Ty p e E
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failing to do so may cause damage to the vehicle, and possibly a fire or
injury.
● Never use a fuse of a higher amperage rating than that indicate d, or use
any other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
● Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired b y your Toy-
ota dealer as soon as possible.

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4456-3. Do-it-yourself maintenance
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Maintenance and care
■Headlight low beams (halogen bulb)
For left side only:
Open the fuse box cover. ( P. 439)
Unplug the connector while
pushing the lock release.
Turn the bulb base counter-
clockwise.
Replacing light bulbs
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6-3. Do-it-yourself maintenance
Install a new light bulb.
Align the 3 tabs on the light bulb
with the mounting, and insert.
Turn and secure the bulb
base.
Install the connector.
Shake the bulb base gently to
check that it is not loose, turn
the headlights on once and visu-
ally confirm that no light is leak-
ing through the mounting.
For left side only: Install the fuse box cover.
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