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425 4-3. Do-it-yourself maintenance
4
Maintenance and care
PRIUS +_OM_OM47841E_(EE)
Use a CR1632 lithium battery
Batteries can be purchased at any authorized Toyota dealer or repairer,
or another duly qualified and equipped professional, 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 entry & start system and wireless remote control will not func-
tion properly.
The operational range will be reduced.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
When installing, reverse the steps listed.
ITO43P194
STEP 3
STEP 4
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426 4-3. Do-it-yourself maintenance
PRIUS +_OM_OM47841E_(EE)
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.
Certification for the smart entry & start system
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT
TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUC-
TIONS.
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 427 of 572
427
4-3. Do-it-yourself maintenance
4
Maintenance and care
PRIUS +_OM_OM47841E_(EE)
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.
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 panel (Left-hand drive vehicles)
Remove the lid.
STEP 1
STEP 2
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428 4-3. Do-it-yourself maintenance
PRIUS +_OM_OM47841E_(EE)
Left side instrument panel (right-hand drive vehicles)
Remove the cover.
Remove the lid.
After a system failure, see “Fuse layout and amperage rat-
ings” (P. 431) for details about which fuse to check.
STEP 3
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4
Maintenance and care
PRIUS +_OM_OM47841E_(EE)
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
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430 4-3. Do-it-yourself maintenance
PRIUS +_OM_OM47841E_(EE)
Ty p e B
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.
Ty p e C
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.
ITO43P161
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431 4-3. Do-it-yourself maintenance
4
Maintenance and care
PRIUS +_OM_OM47841E_(EE)
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 S-HORN
5 ENG W/P 30A Cooling system
6ABS MAIN
NO.27.5A Anti-lock brake system
7 H-LP CLN 30A Headlight cleaner
8 P-CON MTR 30AP position control system, trans-
mission
9 AMP 30A Audio system
10 IGCT 30A PCU, IGCT NO.2, IGCT NO.3
11 DC/DC-S 5A Inverter and converter
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432 4-3. Do-it-yourself maintenance
PRIUS +_OM_OM47841E_(EE)
FUSEAmpereCircuit
12 P CON MAIN 7.5AP position control system, trans-
mission
13 AM2 7.5A Power management system
14 ECU-B2 7.5A Smart entry & start system
15 MAYDAY 10A No circuit
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
19ABS MAIN
NO.120A Anti-lock brake system
20 P/I 2 40AHorn, right-hand headlight (low
beam), left-hand headlight (low
beam), back-up lights
21 ABS MTR 1 30A Anti-lock brake system
22 ABS MTR 2 30A Anti-lock brake system
23 H-LP HI MAIN 20AH-LP HI RH, H-LP HI LH,
headlight switch, daytime running
light system
24 HV BATT 10AHybrid system, hybrid battery
(traction battery)
25 DRL 7.5A Daytime running light system
26 P/I 1 60A IG2, EFI MAIN, BATT FAN
27 EPS 60A Electric power steering
28 PCU 10A Inverter and converter
29 IGCT NO.2 10AHybrid system, P position control
system, inverter and converter