TOYOTA IQ 2014 Owners Manual

251
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Engine compartment (type C)
FuseAmpereCircuit
1 PTC NO.1 50 A PTC heater
2 PTC NO.3 30 A PTC heater
3 PTC NO.2 30 A PTC heater
4 H-LP RH HI 10 A Headlight (high beam)
5 H-LP LH HI 10 A Headlight (high beam)
6 H-LP RH LO 10 A Right-hand headlight (low beam)
7 H-LP LH LO 10 A Left-hand headlight (low beam)

252 4-3. Do-it-yourself maintenance
■Under the driver’s side instrument panel
FuseAmpereCircuit
1 ECU-IG NO.1 7.5 A Vehicle stability control system,
shift lock control system, electric
power steering, automatic head-
light system, main body ECU, tire
pressure warning system
2 GAUGE 10 A Electric cooling fan, charging sys-
tem, emergency flashers, front
passenger’s seat belt reminder
light, back-up lights, multiport fuel
injection system/sequential multi-
port fuel injection system, wind-
shield wiper ECU
3 HTR-IG 10 A Air conditioning system, rear win-
dow defogger
4 WASHER RR 10 A Windshield washer
5 WIPER RR 10 A Rear window wiper
6 WIPER FR 25 A Windshield wipers
7 WASHER FR 10 A Windshield washer
8 OBD 7.5 A On-board diagnosis system
9 DOOR NO.2 20 A Power windows

253
4-3. Do-it-yourself maintenance
4
Maintenance and care
10 D/L NO.1
15 APower door lock system, main
body ECU
11 DOOR NO.1 30 A Power windows
12 CIG 15 A Power outlet
13 ACC 5 AOutside rear view mirrors, audio
system, shift lock control system,
main body ECU
14
PANEL NO.15 A Meter
15 TAIL 10 A Parking lights, tail lights, license
plate lights, multiport fuel injection
system/sequential multiport fuel
injection system, instrument clus-
ter, windshield wiper ECU
16 (FOG FR) 15 A No circuit
17 AM1 7.5 A ACC, starting system
18 STOP 10 A Vehicle stability control system,
power management ECU, shift
lock control system, stop lights,
multiport fuel injection system/
sequential multiport fuel injection
system
19 (SEAT-HTR) 15 A No circuit
■ 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. 255)
● 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.
FuseAmpereCircuit

254 4-3. Do-it-yourself maintenance
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 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.

255
4-3. Do-it-yourself maintenance
4
Maintenance and care
Light bulbs
You may replace the following bulbs 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.
■ Prepare a replacement light bulb.
Check the wattage of the light bulb being replaced. ( P. 328)
■ Front bulb locations
Headlight (low beam)
Parking/front
side marker
light
Headlights (high beam) and
daytime running light
Front turn signal light

256 4-3. Do-it-yourself maintenance
Replacing light bulbs■ Headlight low beams
Left side
Push the tab in and lift the lid off.
■Rear bulb locations
Back-up light
Rear turn signal light
Stop/tail and rear
side marker light
License plate light

257
4-3. Do-it-yourself maintenance
4
Maintenance and care
Turn the cover clockwise.
Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.

258 4-3. Do-it-yourself maintenance
Right sideTurn the cover counterclockwise.
Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.

259
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Headlight high beams and daytime running lights
Left side
Push the tab in and lift the lid off.
Turn the cover clockwise.

260 4-3. Do-it-yourself maintenance
Turn the bulb base clockwise.
Unplug the connector while
depressing the lock release.
Right side Turn the cover counterclockwise.