2012 TOYOTA YARIS HYBRID horn

527 4-3. Do-it-yourself maintenance
4
Maintenance and care
YARIS_F (including HV)_WE_52C79E
Fuse layout and amperage ratings (hybrid vehicle)
Engine compartment (type A fuse box)
FuseAmpereCircuit
1 EFI MAIN 20 AMultiport fuel injection system/
sequential multiport fuel injection
system, EFI NO.2
2 HORN 10 A Horn
3 IG2 30 A IG2 NO.2, METER, IGN
4SPARE 5 A Spare fuse
5SPARE 7.5 A Spare fuse
6 SPARE 30 A Spare fuse
7 EFI NO.2 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
8 H-LP RH-LO 10 A Right-hand headlight (low beam)
9 H-LP LH-LO 10 ALeft-hand headlight (low beam),
manual headlight leveling dial
10 FOG FR NO.2 7.5 A Front fog lights

528 4-3. Do-it-yourself maintenance
YARIS_F (including HV)_WE_52C79E
11 IG2 NO.2 10 ASmart entry & start system, push-
button start system, multiport fuel
injection system/sequential multi-
port fuel injection system, SRS air-
bag system, steering lock system,
stop lights
12 DOME 15 AAudio system, main body ECU,
personal lights, foot well lights
13 ECU-B NO.1 5 AMain body ECU, smart entry & start
system
14 METER 7.5 A Gauge and meters
15 IGN 15 AMultiport fuel injection system/
sequential multiport fuel injection
system
16 H-LP RH-HI 5 A Right-hand headlight (high beam)
17 H-LP LH-HI 5 ALeft-hand headlight (high beam),
gauge and meters
18 D/L NO.2 25 A
Power door lock
19 HAZ 10 A Emergency flashers
20 ETCS 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
21 ABS NO.1 20 A Brake system
22 ENG W/PMP 30 AMultiport fuel injection system/
sequential multiport fuel injection
system
23 H-LP-MAIN 20 AH-LP LH-LO, H-LP RH-LO, H-LP
LH-HI, H-LP RH-HI
24 ABS MTR NO.1 30 A Brake system
25 P/I 50 A EFI-MAIN, HORN, IG2
FuseAmpereCircuit

5
611
5-2. Steps to take in an emergency
When trouble arises
YARIS_F (including HV)_WE_52C79E
If the engine will not start (except hybrid vehicle)
If the engine will not start even though correct starting procedures
are being followed (P. 224, 228), consider each of the following
points:
The engine will not start even though the starter motor
operates normally.
One of the following may be the cause of the problem:
There may not be sufficient fuel in the vehicle’s tank.
Gasoline engine: Refuel the vehicle.
Diesel engine: (P. 644)
The engine may be flooded. (gasoline engine)
Try to restart the engine again following correct starting proce-
dures. (P. 224, 228)
There may be a malfunction in the engine immobilizer system.
(P. 155)
The starter motor turns over slowly, 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 battery may be discharged. (P. 624)
The battery terminal connections may be loose or corroded.
The starter motor does not turn over. (vehicles with a smart
entry & start system)
The engine starting system may be malfunctioning due to an
electrical problem such as an open circuit or a blown fuse. How-
ever, an interim measure is available to start the engine.
(P. 612)

612 5-2. Steps to take in an emergency
YARIS_F (including HV)_WE_52C79E
Emergency start function (vehicles with a smart entry & start system)
When the engine does not start, the following steps can be used as
an interim measure to start the engine if the “ENGINE START STOP”
switch is functioning normally:
Vehicles with a Multidrive
Set the parking brake.
Shift the shift lever to P.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Push and hold the “ENGINE START STOP” switch for about
15 seconds while depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system
may be malfunctioning. Have the vehicle inspected by any authorized
Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional.
The starter motor does not turn over, 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 battery terminals may be disconnected.
The battery may be discharged. (P. 624)
There may be a malfunction in the steering lock system (vehi-
cles with a smart entry & start system).
Contact any authorized Toyota dealer or repairer, or another duly
qualified and equipped professional if the problem cannot be
repaired, or if repair procedures are unknown.

614
5-2. Steps to take in an emergency
YARIS_F (including HV)_WE_52C79E
If the hybrid system will not start (hybrid vehicle)
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. 238, 243)
One of the following may be the cause of the problem:
Vehicles with an electronic key: The electronic key may not be
functioning properly. (P. 619)
There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. (P. 151)
There may be a malfunction in the immobilizer system.
(P. 155)
There may be a malfunction in the steering lock system.
The hybrid system may be malfunctioning due to an electrical
problem such as an open circuit or a blown fuse. However,
depending on the type of malfunction, an interim measure is
available to start the hybrid system. (P. 615)
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. 631)
The 12-volt battery terminal connections may be loose or cor-
roded.

5
615 5-2. Steps to take in an emergency
When trouble arises
YARIS_F (including HV)_WE_52C79E
Emergency start function (vehicles with an electronic key)
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:
Shift the shift lever to P.
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 any
authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
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. 631)
Contact any authorized Toyota dealer or repairer, or another duly
qualified and equipped professional if the problem cannot be repaired,
or if repair procedures are unknown.

691 Alphabetical index
YARIS_F (including HV)_WE_52C79E
Fuel
Capacity ................................ 660
Fuel gauge ............................ 273
Fuel pump shut off system .... 564
Gas station information ......... 704
If you run out of fuel and
the engine stalls.................. 644
Information ............................ 679
Refueling ............................... 151
Type ...................................... 660
Fuel door .................................. 151
Fuel filler door .......................... 151
Fuel filter................................... 486
Fuel pump shut off system ..... 564
Fuses ........................................ 510
Gas station information .......... 704
Gauges...................................... 273
Gear Shift Indicator ................. 267
Glove box ................................. 421Hazard lights
Switch ................................... 552
Head restraints
Adjusting .............................. 131
Headlights
Replacing light bulbs............. 535
Switch ................................... 293
Wattage ................................ 677
Heaters
Seat heaters ......................... 434
Side mirror ............................ 374
Hill-start assist control............ 326
Hood ......................................... 462
Horn .......................................... 272
Hybrid system
Emergency shut off system .... 53
Engine switch........................ 238
Energy monitor/
consumption screen ............. 57
High voltage components ....... 52
How to start the hybrid
system ........................ 238, 243
Hybrid System Indicator........ 276
If the hybrid system will
not start .............................. 614
Overheat ............................... 639
“POWER” switch ................... 243
Hybrid transmission ................ 252
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