TOYOTA tC 2014 Owners Manual (in English)

341
4-3. Do-it-yourself maintenance
4
Maintenance and care
tC_OM_OM21046U_(U)
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, luggage 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
30 DOOR 20 A Power windows
FuseAmpereCircuit

342 4-3. Do-it-yourself maintenance
tC_OM_OM21046U_(U)
*: Vehicles with a smart key system only
31 DEF 40 A MIR HTR, rear window defoggers
32 EFI NO.2 15 A
Multiport fuel injection system/
sequential multiport fuel injection
system, fuel pump
33 EFI NO.1 15 A Multiport fuel injection system/
sequential multiport fuel injection
system, automatic transmission
34 HORN 10 A Horn
35 IG2 15 A MET, IGN, Multiport fuel injection
system/sequential multiport fuel
injection system
FuseAmpereCircuit

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Maintenance and care
tC_OM_OM21046U_(U)
■
Under the driver’s side instrument panel
FuseAmpereCircuit
1S/ROOF30 AMoon roof
2 FOG FR 15 A No circuit
3 FOG RR 7.5 A No circuit
4 AM1 5 A Starting system, body ECU
5 OBD 7.5 A On-board diagnosis system
6 D/L 20 A Power door lock system
7 DOOR FR 20 A Power windows
8 WASHER RR 7.5 A Rear window washer
9 WASHER FR 10 A Windshield washer
10 WIP RR 15 A Rear window wiper
11 WIP FR 30 A Windshield wipers
12 PWR OUTLET 15 A Power outlet
13 ECU-IG1 NO.1 5 A Electric power steering, shift lock
system, moon roof, tire pressure
warning system, charging system,
paddle shift switches

344 4-3. Do-it-yourself maintenance
tC_OM_OM21046U_(U)
14 ACC5 ABody ECU, clock, outside rear view
mirror, shift lock system, audio sys-
tem
15 IG 5 ARear window defoggers, electric
cooling fan, multiport fuel injection
system/sequential multiport fuel
injection system
16 TAIL 10 AParking lights, tail lights, accessory
lights, side marker lights, license
plate lights, multiport fuel injection
system/sequential multiport fuel
injection system
17 IGN 7.5 AMultiport fuel injection system/
sequential multiport fuel injection
system, automatic transmission,
clock, smart key system, steering
lock system, SRS airbag system,
fuel pump, front passenger occu-
pant classification system
18 PANEL 5 AGauges and meters, air condition-
ing system, VSC OFF switch, shift
lever illumination, steering switch,
clock, audio system
19 S/HTR FL 10 A No circuit
20 MET 7.5 A Gauges and meters
FuseAmpereCircuit

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4-3. Do-it-yourself maintenance
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Maintenance and care
tC_OM_OM21046U_(U)
■
Driver’s side instrument panel
21 S/HTR FR 10 A No circuit
22 IG2 NO.2 7.5 A Starting system
23 BKUP LP 7.5 ABack-up light, automatic transmis-
sion, multiport fuel injection sys-
tem/sequential multiport fuel
injection system
24 ECU-IG1 NO.2 5 A Body ECU, ABS, VSC, steering
sensor
25 ECU-IG1 NO.3 5 A Turn signal lights, emergency
flashers
26 HTR-IG 7.5 A Air conditioning system
FuseAmpereCircuit
1DOOR FL30 APower windows
FuseAmpereCircuit

346 4-3. Do-it-yourself maintenance
tC_OM_OM21046U_(U)
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb
may need replacement. ( P. 347)
● If the replaced fuse blows again, have the vehicle inspected by your
Scion dealer.
■ If there is an overload in the circuits
The fuses are designed to blow, protecting the wiring harness from damage.
CAUTION
■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 indicated, or use
any other object in place of a fuse.
● Always use a genuine Scion fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
● Do not modify the fuse or the fuse box.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Scion
dealer, as soon as possible.

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4-3. Do-it-yourself maintenance
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Maintenance and care
tC_OM_OM21046U_(U)
Light bulbs
You may replace the following bulbs by yourself. The difficulty level
of replacement varies depending on the bulb. If necessary bulb
replacement seems difficult to perf orm, contact your Scion dealer.
For more information about replacing other light bulbs, contact your
Scion dealer.
■ Preparing for light bulb replacement
Check the wattage of the light bulb to be replaced. ( P. 434)
■ Front bulb locations
Front side marker lights
Headlight high/low beams
Daytime running lights
(Canada only) and
front turn signal lights
Parking lights

348 4-3. Do-it-yourself maintenance
tC_OM_OM21046U_(U)
■Rear bulb locations
Tail lights and
rear side marker
lights
Rear turn signal lights Back-up lightsLicense
plate lights

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4-3. Do-it-yourself maintenance
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Maintenance and care
tC_OM_OM21046U_(U)
Replacing light bulbs
■ Headlight high/low beams
For easy access to the light
bulbs, remove the securing clip
and turn and pull off the washer
fluid filler opener.
Turn the bulb base counterclock-
wise.
Unplug the bulb while depress-
ing the lock release.
STEP 1
STEP 2
STEP 3

350 4-3. Do-it-yourself maintenance
tC_OM_OM21046U_(U)
Replace the light bulb, and install
the bulb base.
Align the 3 tabs on the light bulb
with the mounting, and insert.
Turn and secure the bulb base.
Shake the bulb base gently to
check that it is not loose, turn the
headlights on once and visually
confirm that no light is leaking
through the mounting.
After replacing the bulbs, make
sure to firmly install the washer
fluid filler opener and secure it
with the clip.
STEP 4
STEP 5
STEP 6