maintenance TOYOTA tC 2011 (in English) Repair Manual

316
4-3. Do-it-yourself maintenance
Wheels
If a wheel is bent, cracked or heavily corroded, it should be
replaced.
Otherwise, the tire may separate from the wheel or cause a loss
of handling control.
■Wheel selection
When replacing wheels, care should be taken to ensure that
they are equivalent to those removed in load capacity, diameter,
rim width, and inset
*.
Replacement wheels are available at your Scion dealer.
*: Conventionally referred to as “offset”.
Scion does not recommend using the following:
● Wheels of different sizes or types
● Used wheels
● Bent wheels that have been straightened
■ Aluminum wheel precautions
●Use only Scion wheel nuts and wrenches designed for use
with your aluminum wheels.
● When rotating, repairing or changing your tires, check that the
wheel nuts are still tight after driving 1000 miles (1600 km).
● Be careful not to damage the aluminum wheels when using
tire chains.
● Use only Scion genuine balanc e weights or equivalent and
use a plastic or rubber hammer when balancing your wheels.

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4-3. Do-it-yourself maintenance
4
Maintenance and care
■When replacing wheels (U.S.A. only)
The wheels of your vehicle are equipped with tire pressure warning
valves and transmitters that allow the tire pressure warning system to
provide advance warning in the event of a loss in tire inflation pressure.
Whenever wheels are replaced, tire pressure warning valves and trans-
mitters must be installed. (
P. 303)
CAUTION
■When replacing wheels
●Do not use wheels that are a different size from those recommended in
the Owner’s Manual, as this may resu lt in a loss of handling control.
●Never use an inner tube in a leaking wheel which is designed for a
tubeless tire. Doing so may result in an accident, causing death or seri-
ous injury.
NOTICE
■Replacing tire pressure warning valves and transmitters (U.S.A.
only)
●Because tire repair or replacement may affect the tire pressure warn-
ing valves and transmitters, make su re to have tires serviced by your
Scion dealer or other qualified servic e shop. In addition, make sure to
purchase your tire pressure warning valves and transmitters at your
Scion dealer.
●Ensure that only genuine Scion wheels are used on your vehicle.
Tire pressure warning valves and transmitters may not work properly
with non-genuine wheels.

318
4-3. Do-it-yourself maintenance
Wireless remote control/electronic key batter y
Replace the battery with a new one if it is depleted.
■You will need the following items:
●Flathead screwdriver
● Lithium battery CR2016 (vehicles without a smart key sys-
tem), or CR1632 (vehicles with a smart key system)
■ Replacing the battery (vehicles without a smart key system)
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a rag.
Remove the module.
Remove the battery cover and
the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP 1
STEP 2
STEP 3

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4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Replacing the battery (vehicles with a smart key system)
Take out the mechanical key.
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a rag.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP 1
STEP 2
STEP 3

320 4-3. Do-it-yourself maintenance
■Use the following types of lithium battery
Vehicles without a smart key system: CR2016
Vehicles with a smart key system: CR1632
●Batteries can be purchased at your Scion dealer, local electrical appli-
ance shops or camera stores.
● Replace only with the same or equivalent type recommended by the
manufacturer.
● Dispose of used batteries according to local laws.
■ If the key battery is depleted
The following symptoms may occur:
●The smart key system (if equipped) and wireless remote control will not
function properly.
● The operational range will be reduced.
CAUTION
■Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child,
they can cause choking.
Failure to do so could result in death or serious injury.

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4-3. Do-it-yourself maintenance
4
Maintenance and care
NOTICE
■
For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
●Always work with dry hands.
Moisture may cause the battery to rust.
● Do not touch or move any other component inside the remote control.
● Do not bend either of the battery terminals.

322
4-3. Do-it-yourself maintenance
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.
Vehicles without a smart key system
Turn the engine switch off.
Vehicles with a smart key system
Turn the “ENGINE START STOP” switch off.
Open the fuse box cover.
Engine compartment Push the tab in and lift the lid
off.
Under the driver’s side instrument panel Remove the lid.STEP 1
STEP 2

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Driver’s side instrument panel
Remove the instrument panel.
After a system failure, see “Fuse layout and amperage rat-
ings” ( P. 325) for details about which fuse to check.
Remove the fuse.
Only type A fuses can be
removed using the pullout
tool.
STEP 3
STEP 4

324 4-3. Do-it-yourself maintenance
Check if the fuse is blown.
Ty p e A Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amper-
age rating can be found on the
fuse box lid.
Ty p e BNormal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amper-
age rating can be found on the
fuse box lid.
Ty p e CNormal fuse
Blown fuse
Contact your Scion dealer.
STEP 5

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Fuse layout and amperage ratings
■ Engine compartment
FuseAmpereCircuit
1
FAN NO.230 AElectric cooling fan
2 FAN NO.1 40 A Electric cooling fan
3 ABS NO.2 30 A ABS, VSC
4 ABS NO.1 50 A ABS, VSC
5 HTR 50 A Air conditioning system
6 ALT 120 A Charging system
7 EPS 80 A Electric power steering system
8 P/I-B 50 A EFI NO.1, EFI NO.2, HORN, IG2