Page 370 of 476
370 4-3. Do-it-yourself maintenance
iQ_WE_74014EUnder the instrument panel
FuseAmpereCircuit
1 ECU-IG NO.1 7.5 AVehicle stability control system,
shift lock control system, electric
power steering, automatic head-
light, main body ECU
2 GAUGE 10 AElectric cooling fan(s), charging
system, 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, auto anti-glare
inside rear view mirror
3 HTR-IG 10 AAir conditioning system, wiper
deicer, rear window 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 (FOG RR) 7.5 A Rear fog light
Page 371 of 476

371 4-3. Do-it-yourself maintenance
4
Maintenance and care
iQ_WE_74014E
*1: Vehicles without daytime running light system and automatic light off system
*2: Vehicles with daytime running light system or automatic light off system10TAIL NO.1
*110 AManual headlight leveling dial, front
position lights, tail lights, license
plate lights
(PANEL NO.2)*25 A Daytime running light system
11 DOOR NO.2 20 A Power windows
12 D/L NO.1 15 APower door lock system, main body
ECU
13 DOOR NO.1 30 A Power windows
14 CIG 15 A Power outlet
15 ACC 5 AOutside rear view mirrors, audio
system, shift lock control system,
main body ECU
16PA N E L
*1
5 AMeter, power management ECU(PANEL NO.1)*2Meter
17TAIL NO.2
*1
10 AFront position lights, tail lights,
license plate lights, rear fog light,
front fog lights, manual headlight
leveling dial, multiport fuel injection
system/sequential multiport fuel
injection system, instrument clus-
ter, windshield wiper ECU TA I L
*2
18 (FOG FR) 15 A Front fog lights
19 AM1 7.5 A ACC, starting system
20 STOP 10 AVehicle stability control system,
power management ECU, shift lock
control system, stop lights, multiport
fuel injection system/sequential
multiport fuel injection system
21 (D/L NO.2) 10 A Power door lock system
22 (SEAT-HTR) 15 A Seat heaters
FuseAmpereCircuit
Page 373 of 476
373
4-3. Do-it-yourself maintenance
4
Maintenance and care
iQ_WE_74014E
Light bulbs
You may replace the following bulbs by yourself. The difficulty level
of replacement varies depending on the bulb. As there is a danger
that components may be damaged, we recommend that replacement
is carried out by any authorized Toyota dealer or repairer, or another
duly qualified and equipped professional.
Preparing for light bulb replacement
Check the wattage of the light bulb to be replaced. (P. 456)
Front bulb locations
Headlight
Front position
light
Front fog light (if equipped)
Front turn signal light
Page 374 of 476
374 4-3. Do-it-yourself maintenance
iQ_WE_74014E
Replacing light bulbs
Headlight
Left side
Push the tab in and lift the lid off.
Rear bulb locations
Back-up light/rear fog light
(Left-hand drive vehicles) Rear turn signal lightTa i l / s t o p l i g h tLicense plate light
Back-up light/
rear fog light
(Right-hand
drive vehicles)
Page 377 of 476
377 4-3. Do-it-yourself maintenance
4
Maintenance and care
iQ_WE_74014ETurn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.
When installing, reverse the steps listed.
Front fog lights (if equipped)
Remove the front spats bolts.
Page 381 of 476
381 4-3. Do-it-yourself maintenance
4
Maintenance and care
iQ_WE_74014EBack-up lights/rear fog light, tail/stop lights and rear turn sig-
nal lights
Open the back door and remove
the cover.
Use a flathead screwdriver which
is wrapped with a cloth.
Turn the bulb bases counter-
clockwise.
Tail/stop light
Rear turn signal light
Back-up light or rear fog light
Remove the light bulb.
Tail/stop light
Rear turn signal light
Back-up light or rear fog light
When installing, reverse the steps listed.
Page 456 of 476
456 6-1. Specifications
iQ_WE_74014E
Light bulbs
A: HIR2 bulbs
B: H11 halogen bulbs
C: Wedge base bulbs (amber)
D: Wedge base bulbs (clear)
CAUTION
When replacing tires and wheels
Observe the following precautions to prevent accidents.
Failure to do so may cause damage to the peripheral parts of the tires, as
well as dangerous handling characteristics, which may lead to fatal or injury
accidents.
Do not use tire sizes or wheel sizes other than those recommended by
To y o t a .
Light BulbsWTy p e
ExteriorHeadlights 55 A
Front turn signal lights 21 C
Front position lights 5 D
Front fog lights (if equipped) 55 B
Side turn signal lights 5 C
Rear turn signal lights 21 C
Back-up lights 21 D
Rear fog light 21 D
Tail/stop lights 5/21 D
License plate lights 5 D
Page 464 of 476

464 Alphabetical index
iQ_WE_74014E
Care
Exterior.................................. 306
Interior ................................... 310
Seat belts .............................. 311
CD player .................................. 265
Chains ....................................... 233
Child restraint system
Baby seats, definition ............ 137
Baby seats, installation ......... 148
Child seats, definition ............ 137
Child seats, installation ......... 148
Installing CRS with ISOFIX
rigid anchors ....................... 154
Installing CRS with
seat belts ............................ 149
Installing CRS with
top straps ............................ 155
Junior seats, definition .......... 137
Junior seats, installation........ 148
Child safety
Airbag precautions ................ 132
Battery precautions ....... 344, 433
Child restraint system ........... 137
How your child should wear
the seat belt .......................... 89
Installing child restraints........ 148
Power window lock switch .... 100
Power window precautions ... 102
Removed key battery
precautions ......................... 360
Seat belt precautions .............. 89
Seat heater precautions ........ 297
Cleaning
Exterior.................................. 306
Interior ................................... 310
Seat belts .............................. 311
Clock ......................................... 209
Condenser ................................ 342Cooling system
Engine overheating ............... 435
CRS ........................................... 137
Cup holders.............................. 289
Curtain shield airbags ............. 124
Customizable features ............ 459
Daytime running light
system .................................... 214
Defogger
Rear window ................. 252, 254
Side mirrors .......................... 254
Dimension ................................ 444
Display
Audio..................................... 257
Trip information ..................... 205
Do-it-yourself maintenance .... 316
Doors
Back door................................ 75
Door glasses ......................... 100
Door lock..................... 39, 62, 73
Side doors............................... 72
Side mirrors ............................ 95
Double locking system ........... 117
Driver’s seat belt reminder
light......................................... 399
Driving
Break-in tips .......................... 167
Correct posture ..................... 122
Procedures ........................... 164
Winter driving tips ................. 231C
D