TOYOTA YARIS 2010 3.G Owners Manual

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

282 4-3. Do-it-yourself maintenance
■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 Toyota dealer, jewelers, or camera
stores.
●Replace only with the same or equivalent type recommended by your
Toyota dealer.
●Dispose of used batteries according to the 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.
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
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Maintenance and care
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 off.
The fuses are located in the following places. To check the
fuses, follow the instructions below.
■Engine compartment
Ty p e A
1.Push the tab in and lift the
cover off.
2.Remove the cover.

284 4-3. Do-it-yourself maintenance
Ty p e B
Push the tab in and lift the lid
off.
■Under the instrument panel
Ty p e A
1.Open the auxiliary box.
2.Pull up the box and disen-
gage the claws. Remove the
stoppers from the cutouts
and remove the box.

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Maintenance and care
Ty p e B
Remove the lid.
After a system failure, see “Fuse layout and amperage
ratings” (P. 287) for details about which fuse to check.
Remove the fuse with the pull-
out tool.

286 4-3. Do-it-yourself maintenance
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 B
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 C
Normal fuse
Blown fuse
Contact your Toyota dealer.

287 4-3. Do-it-yourself maintenance
4
Maintenance and care
Fuse layout and amperage ratings
■Engine compartment (type A)
FuseAmpereCircuit
1 ALT 120 ACharging system, HTR SUB2,
EPS, ABS1/VSC1, HTR, ABS2/
VSC2, HTR SUB1, RDI, DEF, FR
FOG, OBD2, D/L, POWER, RR
DOOR, RL DOOR, STOP and AM1
2 MAIN 60 AEFI, HORN, AM2, ALT-S, DOME,
ST, ECU-B, ETCS, HAZ, H-LP LH/
H-LP LO LH and H-LP RH/H-LP
LO RH fuses

288 4-3. Do-it-yourself maintenance
■Engine compartment (type B)
FuseAmpereCircuit
1 AM2 15 AStarting system, multiport fuel
injection system/sequential multi-
port fuel injection system
2 HORN 10 A Horn
3 EFI 20 AMultiport fuel injection system/
sequential multiport fuel injection
system
4 SPARE 30 A Spare fuse
5 SPARE 10 A Spare fuse
6 SPARE 15 A Spare fuse
7 FR DEF 20 A No circuit
8 ABS2/VSC2 30 AAnti-lock brake system, vehicle sta-
bility control system
9 H-LP MAIN 30 A No circuit
10 ST 30 A Starting system
11 S-LOCK 20 A No circuit
12 DOME 15 AInterior light, personal lights, theft
deterrent system, audio system,
wireless remote control system

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Maintenance and care
13 ECU-B 7.5 ADaytime running light system, front
passenger occupant classification
system, power windows, door lock
system, theft deterrent system,
meter and gauge, traction control
system, vehicle stability control
system
14 ALT-S 7.5 A Charging system
15 ETCS 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, electronic throttle control
system
16 HAZ 10 ATurn signal lights, emergency
flashers
17H-LP RH/H-LP
LO RH10 A Right-hand headlight
18H-LP LH/H-LP
LO LH10 A Left-hand headlight
19 EFI2 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
20 HTR SUB2 40 A Air conditioning system
21 EPS 50 A Electric power steering system
22 ABS1/VSC1 50 AAnti-lock brake system, vehicle sta-
bility control system
23 HTR 40 A Air conditioning system
24 RDI 30 A Electric cooling fan
25 HTR SUB1 30 A Air conditioning system
26H-LP CLN/PWR
HTR30 A No circuit
27 AMT 50 A No circuit
FuseAmpereCircuit

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■Under the instrument panel (type A)
FuseAmpereCircuit
1 ACC2 7.5 A Shift lock system
2 DEF 40 A Rear window defogger
3 POWER 30 A Power windows