2012 TOYOTA YARIS HYBRID battery

508 4-3. Do-it-yourself maintenance
YARIS_F (including HV)_WE_52C79E
Use a CR2016 (vehicles without a smart entry & start system or a push-
button start system) or CR2032 (vehicles with a smart entry & start sys-
tem or a push-button start system) 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 key battery is depleted
The following symptoms may occur:
The smart entry & start system (if equipped), push-button start system (if
equipped) and wireless remote control will not function properly.
The operational range will be reduced.
Remove the battery cover.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.

509 4-3. Do-it-yourself maintenance
4
Maintenance and care
YARIS_F (including HV)_WE_52C79E
CAUTION
Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child,
they can cause choking. Failure to do so could result in death or serious
injury.
Certification for the lithium battery
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.

511 4-3. Do-it-yourself maintenance
4
Maintenance and care
YARIS_F (including HV)_WE_52C79E
Engine compartment (type B fuse box):
Push the tab in and lift the lid
off.
Engine compartment (type C fuse box for the left-hand drive vehi-
cles):
Pull the rubber strip on the
edge to unhook it from the
cover, and then push the
tabs in and lift the cover off.
Remove the battery termi-
nal cover and then the fuse
box cover.

512 4-3. Do-it-yourself maintenance
YARIS_F (including HV)_WE_52C79E
Engine compartment (type C fuse box for the right-hand drive vehi-
cles):
Pull the rubber strip on the
edge to unhook it from the
cover, and then push the
tabs in and lift the cover off.
Remove the battery termi-
nal cover and then the fuse
box cover.

529 4-3. Do-it-yourself maintenance
4
Maintenance and care
YARIS_F (including HV)_WE_52C79E
26 ECU-B NO.2 5 AAir conditioning system, gauge and
meters, smart entry & start system,
push-button start system
27 AM2 7.5 A Start system
28 DRL 7.5 A Daytime running lights
29 STRG LOCK 20 A Starter system
30 ABS NO.2 7.5 A Brake system
31 AMP 15 A Audio system
32 IGCT-MAIN 30 AIGCT NO.2, IGCT NO.3, IGCT
NO.4, PCU, BATT FAN
33 D/C CUT 30 A DOME, ECU-B NO.1
34 PTC HTR NO.1 30 A No circuit
35 PTC HTR NO.2 30 A No circuit
36 FAN 30 A Electric cooling fan
37 PTC HTR NO.3 30 A No circuit
38 DEF 25 A MIR HTR, rear window defogger
39 MIR HTR 10 A Outside rear view mirror defogger
40 BATT FAN 10 A Battery cooling fan
41 IGCT NO.2 10 A Hybrid system
42 IGCT NO.4 10 A Hybrid system
43 PCU 10 A Hybrid system
44 IGCT NO.3 10 A Hybrid system
FuseAmpereCircuit

5When trouble arises
551
YARIS_F (including HV)_WE_52C79E
5-1. Essential information
Emergency flashers .......... 552
If your vehicle needs to
be towed ......................... 553
If you think something is
wrong .............................. 563
Fuel pump shut off system
(except hybrid vehicle
[gasoline engine only]).... 564
5-2. Steps to take in an
emergency
If a warning light turns on
or a warning buzzer
sounds... ........................ 565
If you have a flat tire
(vehicles with
a spare tire) .................... 582
If you have a flat tire
(vehicles with
an emergency tire
puncture repair kit).......... 594
If the engine will not start
(except hybrid vehicle).... 611
If the hybrid system will not
start (hybrid vehicle) ....... 614
If the shift lever cannot be
shifted from P (vehicles
with a hybrid transmission
or a Multidrive) ................ 616
If the shift lever cannot be
shifted (vehicles with
a multi-mode manual
transmission) .................. 617If you lose your keys ......... 618
If the electronic key does
not operate properly ....... 619
If the vehicle battery is
discharged
(except hybrid vehicle).... 624
If the vehicle’s 12-volt
battery is discharged
(hybrid vehicle) ............... 631
If your vehicle overheats
(except hybrid vehicle).... 635
If your vehicle overheats
(hybrid vehicle) ............... 639
If you run out of fuel and
the engine stalls
(diesel engine only) ........ 644
If the vehicle becomes
stuck ............................... 647
If your vehicle has to
be stopped in
an emergency ................. 650

552
YARIS_F (including HV)_WE_52C79E
5-1. Essential information
Emergency flashers
Emergency flashers
Except hybrid vehicle: If the emergency flashers are used for a long time
while the engine is not operating, the battery may discharge.
Hybrid vehicle: If the emergency flashers are used for a long time while
the hybrid system is not operating (while the “READY” indicator is not illu-
minated), the 12-volt battery may discharge.
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.
Press the switch.
All the turn signal lights will
flash. To turn them off, press
the switch once again.

5
569 5-2. Steps to take in an emergency
When trouble arises
YARIS_F (including HV)_WE_52C79E
ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system.
Electric power steering warning light (warning buzzer)
Indicates a malfunction in the EPS system.
Slip indicator light (if equipped)
Indicates a malfunction in:
• The VSC system;
• The TRC system; or
• Hill-start assist control.
(yellow
indicator)Brake system warning light (hybrid vehicle)
Indicates a malfunction in:
• The regenerative brake system; or
• The electronically controlled brake system.
(Flashes or
yellow
indicator)Cruise control indicator light (if equipped)
Indicates a malfunction in the cruise control system.
• Except hybrid vehicle: The light flashes to indicate a mal-
function.
• Hybrid vehicle: The light comes in yellow to indicate a mal-
function.
(Flashes)Stop & Start cancel indicator light (if equipped)
Indicates a malfunction in the Stop & Start system.
Fuel filter warning light (diesel engine only)
Indicate that the amount of accumulated water in the fuel
filter has reached the specified level. (P. 486)
(Flashes in
yellow for 15
seconds.)Smart entry & start system indicator light (If equipped)
Indicates a malfunction in the smart entry & start system.
Low traction battery indicator light (hybrid vehicle)
Indicates that the hybrid battery (traction battery) is low.
Warning lightWarning light/Details