2013 TOYOTA YARIS HYBRID cooling

478 4-3. Do-it-yourself maintenance
YARIS_F (including HV)_WE_52D27E
Radiator, condenser and intercooler
Check the radiator, condenser and intercooler and clear away any
foreign objects.
If any of the above parts are extremely dirty or you are not sure of
their condition, have your vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and equipped profes-
sional.
NOTICE
When adding coolant
Coolant is neither plain water nor straight antifreeze. The correct mixture of
water and antifreeze must be used to provide proper lubrication, corrosion
protection and cooling. Be sure to read the antifreeze or coolant label.
If you spill coolant
Be sure to wash it off with water to prevent it from damaging parts or paint.
CAUTION
When the engine is hot (except hybrid vehicle)
Do not touch the radiator, condenser or intercooler as they may be hot and
cause serious injuries, such as burns.
When the hybrid system is hot (hybrid vehicle)
Do not touch the radiator or condenser as they may be hot and cause seri-
ous injuries, such as burns.

516 4-3. Do-it-yourself maintenance
YARIS_F (including HV)_WE_52D27E
5IG2 10 ASmart entry & start system, multi-
port fuel injection system/sequen-
tial multiport fuel injection system,
multi-mode manual transmission,
SRS airbag system, steering lock
system, stop lights, Stop & Start
system
6IGN 15 AMultiport fuel injection system/
sequential multiport fuel injection
system
7MET 7.5 AGauge and meters, Stop & Start
system
8PWR HTR
*225 APower heater, multiport fuel injec-
tion system/sequential multiport
fuel injection system
9 EPS 50 A Electric power steering
10 ABS NO.2 30 A ABS, VSC
11 D E F 3 0 ARear window defogger, ID/UP,
MIR-HTR
12 SPARE 10 A Spare fuse
13 PTC 80 APTC heater, outside rear view mir-
ror defogger
14 HTR 40 A Air conditioning system
15 H-LP CLN 30 A
16 RDI FAN 30 A Electric cooling fan
17 ABS NO.1 50 A ABS, VSC
18 BBC
*340 A Stop & Start system
19 ST 30 A Starting system
20 AMP 15 A Audio system
21 D/L NO.2 25 A
Power door lock
22 D.C.C. 30 A DOME, ECU-B NO.1
FuseAmpereCircuit

521 4-3. Do-it-yourself maintenance
4
Maintenance and care
YARIS_F (including HV)_WE_52D27EUnder the instrument panel
FuseAmpereCircuit
1 TAIL NO.2 10 A
Front position lights, tail lights,
license plate lights, front fog lights,
rear fog light, multiport fuel injection
system/sequential multiport fuel
injection system, gauge and meters
2 PANEL 5 AGauge and meters, instrument
panel lights, switch illumination
3 DOOR R/R 20 A Power windows
4 DOOR P 20 A Power windows
5 ECU-IG NO.1 5 AElectric cooling fan, rear window
defogger, electric power steering,
main body ECU, windshield wipers,
VSC
6 ECU-IG NO.2 5 A ABS, VSC, Stop & Start system
7A/C 7.5 AAir conditioning system, power
heater, rear window defogger, out-
side rear view mirror defoggers
8 GAUGE 10 ABack-up lights, shift lock control
system, rear seat belt reminder
lights, auto anti-glare inside rear
view mirror, multidrive, audio sys-
tem, multiport fuel injection system/
sequential multiport fuel injection
system, rain sensor

525 4-3. Do-it-yourself maintenance
4
Maintenance and care
YARIS_F (including HV)_WE_52D27E
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

5
627 5-2. Steps to take in an emergency
When trouble arises
YARIS_F (including HV)_WE_52D27E
NOTICE
When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-
gled in the cooling fan or belt.

632
5-2. Steps to take in an emergency
YARIS_F (including HV)_WE_52D27E
If your vehicle overheats (except hybrid vehicle)
Correction procedures
Stop the vehicle in a safe place and turn off the air condition-
ing system, and then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down sufficiently, inspect the
hoses and radiator core (radiator) for any leaks.
Gasoline engine
Radiator
Cooling fan
If a large amount of coolant leaks,
immediately contact any autho-
rized Toyota dealer or repairer, or
another duly qualified and
equipped professional.
The following may indicate that your vehicle is overheating.
The high engine coolant temperature warning light (P. 562)
comes on or flashes, or a loss of engine power is experienced.
(For example, the vehicle speed does not increase.)
Steam comes out from under the hood.

5
633 5-2. Steps to take in an emergency
When trouble arises
YARIS_F (including HV)_WE_52D27EDiesel engine
Radiator
Cooling fan
If a large amount of coolant leaks,
immediately contact any autho-
rized Toyota dealer or repairer, or
another duly qualified and
equipped professional.
The coolant level is satisfactory if it is between the “FULL” and
“LOW” lines on the reservoir.
Gasoline engine
Reservoir
“FULL” line
“LOW” line
Diesel engine
Reservoir
“FULL” line
“LOW” line

634 5-2. Steps to take in an emergency
YARIS_F (including HV)_WE_52D27EAdd coolant if necessary.
Water can be used in an emergency if coolant is unavailable.
Gasoline engine
Diesel engine
Start the engine and turn the air conditioning system on to
check that the radiator cooling fan operates and to check for
coolant leaks from the radiator or hoses.
The fan operates when the air conditioning system is turned on
immediately after a cold start. Confirm that the fan is operating by
checking the fan sound and air flow. If it is difficult to check these,
turn the air conditioning system on and off repeatedly.
(The fan may not operate in freezing temperatures.)