2012 TOYOTA PRIUS V horn

1
2
3
4
5
6
7
3
PRIUS v_U (OM47784U)
2-1. Driving proceduresDriving the vehicle............... 164
Power (ignition) switch ........ 175
EV drive mode .................... 182
Hybrid transmission ............ 185
Turn signal lever ................. 194
Parking brake ...................... 195
Horn .................................... 196
2-2. Instrument cluster Gauges and meters ............ 197
Indicators and warning lights ................................. 208
2-3. Operating the lights and windshield wipers
Headlight switch .................. 213
Fog light switch ................... 221
Windshield wipers and washer .............................. 223
Rear window wiper and washer .............................. 228
Headlight cleaner switch ..... 230 2-4. Using other driving systems
Cruise control ..................... 231
Dynamic radar cruise control .............................. 235
Driving assist systems ........ 252
Hill-start assist control ........ 256
PCS (Pre-Collision System) ............................ 258
2-5. Driving information Cargo and luggage ............. 266
Vehicle load limits............... 272
Winter driving tips ............... 273
Trailer towing ...................... 277
Dinghy towing ..................... 278
2When driving

14
PRIUS v_U (OM47784U)
Pictorial indexInstrument panel
Headlight switch
Turn signal lever Fog light switch P. 213
P. 194
P. 221
Pre-collision braking off switch P. 259
Parking brake pedal P. 195
Fuel filler door opener P. 115
Tire pressure warning reset switch P. 391
Windshield wipers and washer switch
Rear window wiper and washer switch P. 223
P. 228
Gauges and meters
Trip-information display P. 197
P. 201
Audio system*2 P. 296
Navigation system*1
SRS driver airbag
Horn P. 124
P. 196
Card holder P. 313
Tilt and telescopic steering control lever P. 107
SRS knee airbag P. 124

When driving2
163
PRIUS v_U (OM47784U)
2-1. Driving proceduresDriving the vehicle............ 164
Power (ignition) switch ..... 175
EV drive mode ................. 182
Hybrid transmission ......... 185
Turn signal lever .............. 194
Parking brake ................... 195
Horn ................................. 196
2-2. Instrument cluster Gauges and meters ......... 197
Indicators and warning lights .............................. 208 2-3. Operating the lights and
windshield wipers
Headlight switch ............... 213
Fog light switch ................ 221
Windshield wipers and washer ........................... 223
Rear window wiper and washer ........................... 228
Headlight cleaner switch ............................. 230
2-4. Using other driving systems
Cruise control ................... 231
Dynamic radar cruise control ............................ 235
Driving assist systems ..... 252
Hill-start assist control ...... 256
PCS (Pre-Collision System) .......................... 258
2-5. Driving information Cargo and luggage .......... 266
Vehicle load limits ............ 272
Winter driving tips ............ 273
Trailer towing ................... 277
Dinghy towing .................. 278

196
2-1. Driving procedures
PRIUS v_U (OM47784U)
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. 107)
To sound the horn, press on or
close to the mark.

413
4-3. Do-it-yourself maintenance
PRIUS v_U (OM47784U)
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 P 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

414 4-3. Do-it-yourself maintenance
PRIUS v_U (OM47784U)
FUSEAmpereCircuit
12 P CON MAIN 7.5A P position control system, trans-
mission
13 AM2 7.5A Power management system
14 ECU-B2 7.5A Smart key 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 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 20A H-LP HI RH, H-LP HI LH,
headlight switch, daytime running
light system
24 HV BATT 10A No circuit
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 10A Hybrid system, P position control
system, inverter and converter

476
5-2. Steps to take in an emergency
PRIUS v_U (OM47784U)
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on the
situation. Check the following a nd perform the appropriate proce-
dure:
■ The hybrid system will not start even though the correct
starting procedure is being followed ( P. 175)
One of the following may be the cause of the problem:
● The electronic key may not be functioning properly.
*
(  P. 479)
● 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 1 9 )
● There may be a malfunction in the P position control system.
*
( P. 180, 447, 448)
*: It may not be possible to shift the shift position from P to another
position.
■ The interior lights and headlight s 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. 481)
● The 12-volt battery terminal c onnections may be loose or cor-
roded.

5
When trouble arises
477
5-2. Steps to take in an emergency
PRIUS v_U (OM47784U)
Emergency start function
When the hybrid system does not start, the following steps can be
used as an interim measure to st art 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
Toyota dealer.
■ 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 ba ttery terminals may be discon-
nected.
● The 12-volt battery may be discharged. ( P. 481)
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP 1
STEP 2
STEP 3