Page 465 of 644

465
4-3. Do-it-yourself maintenance
PRIUS_OM_OM47A17U_DVD_(U)
4
Maintenance and care
■
Use a CR1632 lithium battery
●Batteries can be purchased at your Toyota dealer, local electrical appli-
ance shops or camera stores.
● Replace only with the same or equivalent type recommended by the
manufacturer.
● Dispose of used batteries according to local laws.
■ If the electronic key battery is depleted
The following symptoms may occur:
●The smart key system and wireless remote control will not function prop-
erly.
● The operational range will be reduced.
CAUTION
■Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. 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 component inside the remote control.
● Do not bend either of the battery terminals.
Page 466 of 644
466
4-3. Do-it-yourself maintenance
PRIUS_OM_OM47A17U_DVD_(U)
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 “POWER” switch off.
Vehicles with Solar Ventilation Sy stem: Turn the Solar Ventilation
System off and make sure not to operate the Remote Air Condi-
tioning System.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid
off.
When closing, first hook the lid
onto the two rear tabs.
Left side instrument panelRemove the lid.
After a system failure, see “Fuse layout and amperage rat-
ings” ( P. 469) for details about which fuse to check.
STEP 1
STEP 2
ITO43P127
STEP 3
Page 467 of 644
467
4-3. Do-it-yourself maintenance
PRIUS_OM_OM47A17U_DVD_(U)
4
Maintenance and care
Remove the fuse.
Only type A fuse can be
removed using the pullout
tool.
Check if the fuse is blown.
Ty p e A
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amper-
age rating can be found on the
fuse box lid.
STEP 4
STEP 5
12
ITY42C012
Page 468 of 644
468 4-3. Do-it-yourself maintenance
PRIUS_OM_OM47A17U_DVD_(U)
Ty p e BNormal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amper-
age rating can be found on the
fuse box lid.
Ty p e CNormal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amper-
age rating can be found on the
fuse box lid.
ITO43P161
Page 469 of 644
469
4-3. Do-it-yourself maintenance
PRIUS_OM_OM47A17U_DVD_(U)
4
Maintenance and care
Fuse layout and amperage ratings
■ Engine compartment
FUSEAmpereCircuit
1 HTR 50A Air conditioning system
2 RDI 30A Electric cooling fans
3 CDS 30A Electric cooling fans
4 S-HORN 10A No circuit
5 ENG W/P 30A Cooling system
6 ABS MAIN
NO.2 7.5A Anti-lock brake system
7 H-LP CLN 30A Headlight cleaner
8 P-CON MTR 30A Shift control system, transmission
9 AMP NO.1 30A Audio system
10 IGCT 30A PCU, IGCT NO.2, IGCT NO.3
11 DC/DC-S 5A Inverter and converter
Page 470 of 644
470 4-3. Do-it-yourself maintenance
PRIUS_OM_OM47A17U_DVD_(U)
FUSEAmpereCircuit
12 P CON MAIN 7.5A Shift control system, P position
switch
13 AM2 7.5A Power management system
14 ECU-B2 7.5A Smart key system, hybrid system
15 MAYDAY 10A MAYDAY
16 ECU-B3 10A Air conditioning system
17 TURN & HAZ 10A Turn signal lights
18 ETCS 10AMultiport fuel injection system/
sequential multiport fuel injection
system
19 ABS MAIN
NO.1 20A Anti-lock brake system
20 H-LP LH LO 15A Left-hand headlight (low beam)
21 P/I 2 40AShift control system, horn, head-
light low beams, back-up lights
22 ABS MTR 1 30A Anti-lock brake system
23 ABS MTR 2 30A Anti-lock brake system
24 H-LP HI MAIN 20A Headlight high beams, daytime
running lights
25 DRL 7.5A Daytime running lights
26 AMP NO.2 30A Audio system, navigation system
27 P/I 1 60A IG2, EFI MAIN, BATT FAN
28 EPS 60A Electric power steering
29 H-LP RH LO 15A Right-hand headlight (low beam)
30 PCU 10A Inverter and converter
Page 471 of 644
471
4-3. Do-it-yourself maintenance
PRIUS_OM_OM47A17U_DVD_(U)
4
Maintenance and care
FUSEAmpereCircuit
31 IGCT NO.2 10A Hybrid system, shift control sys-
tem, power management system,
multiport fuel injection system/
sequential multiport fuel injection
system
32 MIR HTR 10A Outside rear view mirror defoggers
33 RAD NO.1 15A Audio system, navigation system
34 DOME 10A Door courtesy lights, luggage
compartment light, personal light,
interior light, foot lights, vanity
lights, inside rear view mirror,
garage door opener
35 ECU-B 7.5A Smart key system, personal lights,
gauges and meters, emergency
flashers
36 H-LP LH HI 10A Left-hand headlight (high beam)
37 H-LP RH HI 10A Right-hand headlight (high beam)
38 EFI NO.2 10A Multiport fuel injection system/
sequential multiport fuel injection
system
39 IGCT NO.3 10A Cooling system
40 SPARE 30A Spare fuse
41 SPARE 10A Spare fuse
42 SPARE 7.5A Spare fuse
Page 472 of 644
472 4-3. Do-it-yourself maintenance
PRIUS_OM_OM47A17U_DVD_(U)
FUSEAmpereCircuit
43 EFI MAIN 20A Multiport fuel injection system/
sequential multiport fuel injection
system, cooling system, EFI NO.2
44 BATT FAN 10A Battery cooling fan
45 IG2 20A Multiport fuel injection system/
sequential multiport fuel injection
system, MET, IGN, power man-
agement system