2012 TOYOTA PRIUS PLUG-IN horn

15
PRIUS PHV_OM_OM47818U_(U)
Pictorial indexInstrument panel
Headlight switch
Turn signal lever
Fog light switch∗
P. 292
P. 254
P. 298
Pre-collision braking off switch∗ P. 336
Parking brake pedal P. 255
Tire pressure warning reset switch P. 478
Windshield wipers and
washer switch
Rear window wiper and
washer switch∗
P. 300
P. 304
Gauges and meters
Multi-information display
P. 257
P. 266
Audio system*2 P. 376
Navigation system*1
SRS driver airbag
Horn
P. 184
P. 256
SRS knee airbag P. 184
Tilt and telescopic steering control lever P. 165
∗:If equipped
*1:Refer to “Navigation System Owner’s Manual”.
*2:Refer to “Display Audio System Owner’s Manual”.

256
2-1. Driving procedures
PRIUS PHV_OM_OM47818U_(U)
Hor n
■After adjusting the steering wheel
Make sure that the steering wheel is securely locked.
The horn may not sound if the steering wheel is not securely locked.
(→P. 1 6 5 )
To s o u n d t h e h o r n , p r e s s o n o r
close to the mark.

498
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
Fuse layout and amperage ratings
■Engine compartment
FUSEAmpereCircuit
1HTR 50A Air conditioning system
2RDI 30A Electric cooling fans
3CDS 30A Electric cooling fans
4FUEL OPN 7.5A Fuel filler door opener
5S-HORN 10A No circuit
6ENG W/P 30A Cooling system
7ABS MAIN
NO.27.5A Anti-lock brake system
8H-LP CLN 30A Headlight cleaner
9P-CON MTR 30AP position control system, trans-
mission
10 AMP NO.1 30A Audio system

499
4-3. Do-it-yourself maintenance
PRIUS PHV_OM_OM47818U_(U)
4
Maintenance and care
FUSEAmpereCircuit
11 I G C T 3 0 A P C U , I G C T N O . 2 , I G C T N O . 3
12 DC/DC-S 5A Inverter and converter
13 P CON MAIN 7.5AP position control system, P posi-
tion switch
14 AM2 7.5A Power management system
15 ECU-B2 7.5A Smart key system, hybrid system
16 MAYDAY/DCM 10A MAYDAY/DCM
17 PIMR 10A Charge system
18 TURN & HAZ 10A Turn signal lights
19 ETCS 10A
Multiport fuel injection system/
sequential multiport fuel injection
system
20ABS MAIN
NO.120A Anti-lock brake system
21 H-LP LH LO 15A Left-hand headlight (low beam)
22 P/I 2 40A
P position control system, horn,
headlight low beams, back-up
lights
23 ABS MTR 1 30A Anti-lock brake system
24 ABS MTR 2 30A Anti-lock brake system
25 H-LP HI MAIN 20AHeadlight high beams, daytime
running lights
26 DRL 7.5A Daytime running lights
27 AMP NO.2 30A Audio system, navigation system
28 P/I 1 60A IG2, EFI MAIN, BATT FAN
29 EPS 60A Electric power steering

588
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on the
situation. Check the following and perform the appropriate proce-
dure:
■The hybrid system will not start even though the correct
starting procedure is being followed (→P. 2 3 8 )
One of the following may be the cause of the problem:
●The charging cable may be attached to the vehicle. (→P. 9 1 )
●The electronic key may not be functioning properly.*
(→P. 5 9 1 )
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●There may be a malfunction in the immobilizer system.*
(→P. 1 7 9 )
●There may be a malfunction in the P position control system.*
(→P. 2 4 3 , 5 4 8 )
*: It may not be possible to shift the shift position from P to another
position.
■The interior lights and headlights are dim, or the horn does
not sound or sounds at a low volume
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. (→P. 5 9 4 )
●The 12-volt battery terminal connections may be loose or cor-
roded.

5
When trouble arises
589
5-2. Steps to take in an emergency
PRIUS PHV_OM_OM47818U_(U)
Emergency start function
When the hybrid system does not start, the following steps can be
used as an interim measure to start the hybrid system if the
“POWER” switch is functioning normally:
Set the parking brake.
Turn the “POWER” switch to ACCESSORY mode.
Press and hold the “POWER” switch for about 15 seconds
while depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Have the vehicle inspected by your
To y o t a d e a l e r .
■The interior lights and headlights do not turn on, or the horn
does not sound
One of the following may be the cause of the problem:
●One or both of the 12-volt battery terminals may be discon-
nected.
●The 12-volt battery may be discharged. (→P. 5 9 4 )
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP 1
STEP 2
STEP 3

673
Alphabetical index
PRIUS PHV_OM_OM47818U_(U)
Garage door opener ................ 407
Gauges ..................................... 257
Glove boxes ............................. 386
Hands-free system
(for cellular phone)*
Hazard lights
Switch................................... 524
Head restraints
Adjustment .......................... 152
Headlight cleaner .................... 307
Headlights
Cleaner ................................. 307
Replacing light bulbs ............ 507
Switch................................... 292
Wattage ................................ 620
Heaters
Automatic air conditioning
system................................ 358
Seat heaters ......................... 397
Side mirrors .......................... 375
Hill-start assist control ........... 333
Hood ......................................... 442
Hooks
Cargo.................................... 403
Horn .......................................... 256
Hybrid system
Emergency shut off system .... 45
Energy monitor/
consumption screen ............. 52
High voltage components ....... 44
Hybrid System Indicator ....... 268
Ignition switch ....................... 238
Monthly fuel consumption
record ................................... 64
“POWER” switch .................. 238
I/M test.......................................438
Identification
Engine ...................................612
Vehicle ..................................611
Ignition switch ..........................238
Illuminated entry system .........382
Immobilizer system..................179
Indicator lights .........................262
Initialization
Items to initialize....................647
Inside rear view mirror ............166
Instrument panel light
control ....................................260
Interior lights
Interior lights..................383, 384
Switch............................383, 384
Wattage .................................620
Jack
Positioning a floor jack ..........445
Vehicle-equipped jack ...........448
Jack handle ..............................448
Keyless entry............................132
Keys
Electronic key ........................105
If the electronic key does not
operate properly..................591
If you lose your keys .............590
Key number ...........................105
Keyless entry.........................132
Keys ......................................105
Mechanical key .....................105
“POWER” switch ...................238
Wireless remote
control key ..........................132
Knee airbag ..............................184
G
H
I
J
K
*: Refer to “Display Audio System Owner’s Manual”
or “Navigation System Owner’s Manual”.