maintenance TOYOTA PRIUS PLUG-IN 2012 Manual Online

500
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
FUSEAmpereCircuit
30 H-LP RH LO 15A Right-hand headlight (low beam)
31 PCU 10A Inverter and converter
32 IGCT NO.2 10A
Hybrid system, P position control
system, power management sys-
tem, multiport fuel injection sys-
tem/sequential multiport fuel
injection system
33 MIR HTR 10A Outside rear view mirror defoggers
34 RAD NO.1 15A Audio system, navigation system
35 DOME 10A
Door courtesy lights, luggage
compartment light, personal light,
interior light, foot lights, vanity
lights, inside rear view mirror,
garage door opener
36 ECU-B 7.5ASmart key system, personal lights,
gauges and meters
37 H-LP LH HI 10A Left-hand headlight (high beam)
38 H-LP RH HI 10A Right-hand headlight (high beam)
39 EFI NO.2 10A
Multiport fuel injection system/
sequential multiport fuel injection
system
40 IGCT NO.3 10A Cooling system
41 SPARE 30A Spare fuse
42 SPARE 10A Spare fuse

501
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
4
Maintenance and care
FUSEAmpereCircuit
43 SPARE 7.5A Spare fuse
44 EFI MAIN 20A
Multiport fuel injection system/
sequential multiport fuel injection
system, cooling system, EFI NO.2
45 BATT FAN 20A Battery cooling fan
46 IG2 20A
Multiport fuel injection system/
sequential multiport fuel injection
system, MET, IGN, power man-
agement system

502
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
■Left side instrument panel
FUSEAmpereCircuit
1CIG 15A Power outlets
2ECU-ACC 10A
Multiplex communication system,
outside rear view mirrors, driver
support system, audio system,
navigation system
3PWR OUTLET 15A Power outlets
4SEAT HTR FR 10A Seat heater
5SEAT HTR FL 10A Seat heater
6DOOR NO.1 25A Power door lock system
7PSB 30A Pre-Collision System
8 PWR SEAT FR 30A Front passenger’s seat
9DBL LOCK 25A No circuit
10 FR FOG 7.5A Front fog lights
11 PWR SEAT FL 30A Driver’s seat
12 OBD 7.5A On-board diagnosis system
13 RR FOG 7.5A No circuit
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503
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
4
Maintenance and care
FUSEAmpereCircuit
14 STOP 10A
Stop lights, high mounted stop-
light, brake system, driver support
system, vehicle proximity notifica-
tion system
15 P FR DOOR 25A Power windows
16 D FR DOOR 25A Power windows
17 DOOR RR 25A Power windows
18 DOOR RL 25A Power windows
19 S/ROOF 30A No circuit
20 ECU-IG NO.1 10A
Electric cooling fans, multiplex
communication system, vehicle
proximity notification system
21 ECU-IG NO.2 10A
Driver support system, Pre-Colli-
sion System, inside rear view mir-
ror, garage door opener, yaw rate
& G sensor, brake system, naviga-
tion system, tire pressure warning
system, seat belt pretensioners,
audio system, emergency flash-
ers, turn signal lights, windshield
wipers, headlight cleaner
22 GAUGE 10AHeadlight leveling system, gauges
and meters
23 A/C 10AAir conditioning system, Remote
Air Conditioning System
24 WASHER 15A Windshield washer

504
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
FUSEAmpereCircuit
25 RR WIP 20A Rear window wiper and washer
26 WIP 30A Windshield wipers
27 MET 7.5A Gauges and meters
28 IGN 10A
Brake system, driver support sys-
tem, multiport fuel injection sys-
tem/sequential multiport fuel
injection system, SRS airbag sys-
tem, front passenger occupant
classification system (ECU and
sensors), power management sys-
tem, smart key system, front pas-
senger’s seat belt reminder light
29 PANEL 10A
Air conditioning system, personal
light, transmission, P position
switch, navigation system, Remote
Air Conditioning System, headlight
cleaner, front passenger’s seat
belt reminder light, headlight level-
ing system, glove box light, clock,
audio system, MPH or km/h switch
30 TAIL 10A
Headlight leveling system, park-
ing lights, tail lights, license plate
lights, front fog lights, side marker
lights

505
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
4
Maintenance and care
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb
may need replacement. (→P. 5 0 7 )
●If the replaced fuse blows again, have the vehicle inspected by your
To y o t a d e a l e r .
■If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
■When replacing light bulbs
Toyota recommends that you use genuine Toyota products designed for this
vehicle. Because certain bulbs are connected to circuits designed to prevent
overload, non-genuine parts or parts not designed for this vehicle may be
unusable.
CAUTION
■To p r e v e n t s y s t e m b r e a k d o w n s a n d v e h i c l e f i r e
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
●Never use a fuse of a higher amperage rating than that indicated, or use
any other object in place of a fuse.
●Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
●Do not modify the fuses or fuse boxes.
■Fuse box near the power control unit
Never check or replace the fuses as there are high voltage parts and wiring
near the fuse box.
Doing so may cause electric shock, resulting in death or serious injury.

506
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your
To y o t a d e a l e r a s s o o n a s p o s s i b l e .

507
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
4
Maintenance and care
Light bulbs
Yo u m a y r e p l a c e t h e f o l l o w i n g b u l b s b y y o u r s e l f . T h e d i f f i c u l t y l e v e l
of replacement varies depending on the bulb. As there is a danger
that components may be damaged, we recommend that replacement
is carried out by your Toyota dealer.
■Preparing for light bulb replacement
Check the wattage of the light bulb to be replaced. (→P. 6 2 0 )
■Front bulb locations
Front side
marker light
Headlight low beam (halogen headlights)
Headlight high beam
(including daytime running
lights for Canada)
Fog light
Front turn
signal light
Parking light
(halogen headlights)

508
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
Replacing light bulbs
■Headlight low beams (halogen headlights)
Turn the bulb base counterclock-
wise.
■Rear bulb locations
Rear turn signal light
Back-up lightLicense plate lights
STEP 1

509
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
4
Maintenance and care
Unplug the connector while
pressing the lock release.
Replace the light bulb, and install
the bulb base.
Align the 3 tabs on the light bulb
with the mounting, and insert.
Turn and secure the bulb base.
Shake the bulb base gently to
check that it is not loose, turn the
headlights on once and visually
confirm that no light is leaking
through the mounting.
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STEP 2
STEP 3
STEP 4