maintenance TOYOTA IQ 2013 Repair Manual

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4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Checking interval
Inspect, clean and replace the air conditioning filter according to the mainte-
nance schedule. In dusty areas or areas with heavy traffic flow, more fre-
quent cleaning or early replacement may be required. (For scheduled
maintenance information, please refer to the “Scheduled Maintenance
Guide” or “Owner’s Manual Supplement”.)
■ If air flow from the vents decreases dramatically
The filter may be clogged.
●Type A: Check the filter and clean if necessary.
● Type B: Check the filter and replace if necessary.
NOTICE
■To prevent damage to the system
●When using the air conditioning system, make sure that a filter is always
installed.
● Type B: When cleaning the filter, do not clean the filter with water.

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4-3. Do-it-yourself maintenance
Key batter y
Replace the battery with a new one if it is discharged.
■You will need the following items:
●Flathead screwdriver (To prevent damage to the key, cover
the tip of the screwdriver with tape.)
● Lithium battery (CR2016)
■ Replacing the battery
Remove the cover.
Remove the module.
Remove the battery cover and
the depleted battery.
Insert a new battery with the
“+” terminal facing up.

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4-3. Do-it-yourself maintenance
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Maintenance and care
■
If the key battery is discharged
The following symptoms may occur.
●The wireless remote control will not function properly.
● The operational range is reduced.
■ Use a CR2016 lithium battery
●Batteries can be purchased at your Scion dealer, jewelers, or camera
stores.
● Replace only with the same or equivalent type recommended by your
Scion dealer.
● Dispose of used batteries according to local laws.
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.
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 components inside the remote control.
● Do not bend either of the battery terminals.

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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.

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4-3. Do-it-yourself maintenance
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Maintenance and care
Ty p e B
Push the tab in and lift the lid
off.
Ty p e C Push the tab in and lift the lid
off.

242 4-3. Do-it-yourself maintenance
■Under the driver’s side instrument panel
Remove the lid.
After a system failure, s ee “Fuse layout and amperage
ratings” ( P. 244) for details about which fuse to check.
Remove the fuse with the pull-
out tool.

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4-3. Do-it-yourself maintenance
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Maintenance and care
Check if the fuse has blown.
Ty p e A
Normal fuse
Blown fuse
Replace it with one of an
appropriate amperage rating.
The amperage rating can be
found on the fuse box lid.
Ty p e BNormal fuse
Blown fuse
Replace it with one of an
appropriate amperage rating.
The amperage rating can be
found on the fuse box lid.
Ty p e CNormal fuse
Blown fuse
Contact your Scion dealer.

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

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

246 4-3. Do-it-yourself maintenance
*1: Vehicles with daytime running light system
*2: Vehicles without daytime running light system14 MIR HTR 7.5 A Outside rear view mirror defoggers
15 DEFOGGER 30 A Rear window defogger
16 EPS 50 A Electric power steering
17 RDI 30 A RDI FAN
18 ABS NO.1 50 A Anti-lock brake system
19 HTR-B 40 A HTR, BLR
20 ABS NO.2 30 A Anti-lock brake system
21 HORN 10 A Horn
22 EFI-MAIN 20 A
Multiport fuel injection system/
sequential multiport fuel injection
system, EFI NO.1, Fuel pump
23 ALT-S 7.5 A Charging system
24 IGN 15 A Injection, igniter
25 IG2 10 A SRS airbag system, meter
26 EFI NO.1 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
FuseAmpereCircuit