2013 TOYOTA IQ engine

240
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.
Turn the engine switch to the LOCK position.
The fuses are located in the following places. To check the
fuses, follow the in structions below.
■ Engine compartment
Ty p e A
Remove the cover.

244 4-3. Do-it-yourself maintenance
Fuse layout and amperage ratings■ Engine compartment (type A)
FuseAmpereCircuit
1 ALT 120 A Charging system, RDI, ABS NO.1,
ABS NO.2, HTR-B, ACC, CIG,
GAUGE, ECU-IG NO.1, HTR-IG,
WIPER WASHER, AM1, DOOR
NO.1, STOP, DOOR NO.2, OBD,
FR FOG, DEF, TAIL, EPS, PTC
NO.1, PTC NO.2, PTC NO.3, D/L
NO.1, PANEL NO.1
2 MAIN 80 A EFI MAIN, EFI NO.1, HORN, AM2
NO.1, DOME, ECU-B NO.2,
TURN&HAZ, H-LP MAIN, H-LP
MAIN HI, ECU-B NO.1, D/C CUT,
ETCS, IG2, IGN, ALT-S

245
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Engine compartment (type B)
FuseAmpereCircuit
1 D/C CUT 30 A ECU-B NO.1, DOME
2 IMMOBI 7.5 AMultiport fuel injection system/
sequential multiport fuel injection
system
3 TURN & HAZ 10 A Turn signal lights, emergency
flashers
4 ETCS 10 A Electronic throttle control system
5 ECU-B NO.2 5 A Meter, power windows, air condi-
tioning system
6H-LP MAIN
*120 A H-LP RH LO, H-LP LH LO
7 SPARE 30 A Spare fuse
8 SPARE 20 A Spare fuse
9 SPARE 5 A Spare fuse
10 AM2 NO.1 30 A Starting system 11 H-LP MAIN HI
*225 A H-LP RH HI, H-LP LH HI
12 DOME 15 A Interior light, audio system
13 ECU-B NO.1 7.5 A Main body ECU, power door lock
system

247
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Engine compartment (type C)
*: Vehicles with daytime running light system or automatic light off system
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)

When trouble arises5
263
5-1. Essential informationEmergency flashers ......... 264
If your vehicle needs to be towed ........................ 265
If you think something is wrong ............................. 271
Fuel pump shut off system ........................... 272 5-2. Steps to take in
an emergency
If a warning light turns on or a warning buzzer
sounds... ........................ 273
If you have a flat tire......... 284
If the engine will not start ................................ 301
If the shift lever cannot be shifted from P............ 303
If you lose your keys ........ 304
If the vehicle battery is discharged ..................... 305
If your vehicle overheats ....................... 308
If the vehicle becomes stuck .............................. 311
If your vehicle has to be stopped in
an emergency ................ 313

264
5-1. Essential information
Emergency flashers
NOTICE
■To prevent battery discharge
Do not leave the emergency flashers on longer than necessary when the
engine is not running.
Use the emergency flashers if th e vehicle malfunctions or is
involved in an accident.
Press the switch to flash all
the turn signal lights. To turn
them off, press the switch
once again.

5
When trouble arises
265
5-1. Essential information
If your vehicle needs to be towed
Before towingThe following may indicate a problem with your transmission. Contact
your Scion dealer before towing.
● The engine is running, but the vehicle will not move.
● The vehicle makes an abnormal sound.
Emergency towing
If a tow truck is not available, in an emergency your vehicle may be
temporarily towed using a cable or chain secured to the emergency
towing eyelet. This should only be attempted on hard, surfaced roads
for short distances at low speeds.
A driver must be in the vehicle to steer and operate the brakes. The
vehicle’s wheels, drive train, axles, steering and brakes must be in
good condition.
Towing eyelet
If towing is necessary, we recommend having your vehicle towed by
your Scion dealer or a commercial towing service, using a lift-type
truck or a flat bed truck.
Use a safety chain system for all to wing, and abide by all state/pro-
vincial and local laws.
If towing from the front, the vehic le's rear wheels and axles must be
in good condition. (P. 268)
If they are damaged, use a towing dolly or flat bed truck.

266 5-1. Essential information
■Emergency towin g procedure
Start the engine.
If the engine cannot be started, turn the engine switch to the ACC
or ON position.
Put the shift lever in N.
Release the parking brake.
CAUTION
■ Caution while towing
●Use extreme caution when towing the vehicle.
Avoid sudden starts or erratic driving maneuvers which place excessive
stress on the emergency towing eyelet and the cables or chains. Always
be cautious of the surroundings and other vehicles while towing.
● If the engine is not running, the power assist for the brakes and steering
will not function, making steering and braking more difficult.
NOTICE
■To prevent serious damage to the transmission
Never tow this vehicle from the rear with the front wheels on the ground.
This may cause serious damage to the transmission.