TOYOTA tC 2013 Owners Manual (in English)

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4-3. Do-it-yourself maintenance
4
Maintenance and care
tC_OM_OM21042U_(U)
■
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

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■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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Maintenance and care
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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.

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4-3. Do-it-yourself maintenance
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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
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Maintenance and care
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Driver’s side instrument panel
Remove the instrument panel.
After a system failure, see “Fuse layout and amperage rat-
ings” ( P. 337) 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

336 4-3. Do-it-yourself maintenance
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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 B
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 CNormal fuse
Blown fuse
Contact your Scion dealer.
STEP 5

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4-3. Do-it-yourself maintenance
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Maintenance and care
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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

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9 H-LP MAIN 50 AH-LP LH-LO, H-LP RH-LO, H-LP
LH-HI, H-LP RH-HI, headlights,
daytime running light system
10 SPARE 10 A Spare fuse
11 SPARE 20 A Spare fuse
12 SPARE 30 A Spare fuse
13 H-LP RH-HI 10 A Right hand headlight (high beam),
gauges and meters
14 H-LP LH-HI 10 A Left hand headlight (high beam)
15 H-LP RH-LO 10 A Right hand headlight (low beam),
gauges and meters
16 H-LP LH-LO 10 A Left hand headlight (low beam)
17 ETCS 10 A Multiport fuel injection system/
sequential multiport fuel injection
system
18 HAZ 10 A Turn signal lights, emergency
flashers, gauges and meters
19 ALT-S 7.5 A Charging system
20 AM2 NO.2
*7.5 A Power management system
21 AM2 30 A IG2 NO.2, starting system
22 STRG LOCK
*20 A Steering lock system
23 AMP 30 A Audio system
24 MIR HTR 10 A Outside rear view mirror defoggers,
multiport fuel injection system/
sequential multiport fuel injection
system
FuseAmpereCircuit

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Maintenance and care
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25 ECU-B NO.2 10 A
Automatic transmission, power
windows, clock, smart key system,
wireless remote control, front pas-
senger occupant classification sys-
tem
26 ECU-B 10 ABody ECU, gauges and meters,
steering sensor, wireless remote
control, smart key system
27 RAD NO.1 15 A Audio system
28 DOME 10 AInterior light, personal light, lug-
gage compartment light
29 STOP 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, ABS, VSC, automatic
transmission, shift lock system,
stop lights, high mounted stoplight,
power management system
FuseAmpereCircuit

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*: Vehicles with a smart key system only
30 DEF 40 A MIR HTR, rear window defoggers
31 EFI NO.2 15 A
Multiport fuel injection system/
sequential multiport fuel injection
system, fuel pump
32 EFI NO.1 15 A Multiport fuel injection system/
sequential multiport fuel injection
system, automatic transmission
33 HORN 10 A Horn
34 IG2 15 A MET, IGN, Multiport fuel injection
system/sequential multiport fuel
injection system
FuseAmpereCircuit