Page 373 of 497
372 4-3. Do-it-yourself maintenance
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 components inside the remote control.
● Do not bend either of the battery terminals.
Page 378 of 497

377
4-3. Do-it-yourself maintenance
4
Maintenance and care
13 DC/DC
120 AHTR, RR DEF, HTR SUB1, HTR
SUB2, RDI FAN, CDS FAN, TAIL,
PANEL, FR FOG, CIG, RADIO
No.2, ECU-ACC, PWR OUTLET,
GAUGE No.1, ECU-IG No.1, ECU-
IG No.2, H-LP LVL, WASH, A/C
No.2, S-HTR, WIP, P/SEAT, DOOR
No.2, POWER, RR DOOR LH, RR
DOOR RH, ECU-B No.2, OBD,
FUEL OPN, PWR, STOP, S/ROOF,
TI&TE, A/C, AM1
14 STR LOCK 20 A Steering lock system
15 IG2 20 AMultiport fuel injection system/
sequential multiport fuel injection
system, starting system, GAUGE
NO.2, INJ, IGN
16 HAZ 15 A Emergency flashers
17 ETCS 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, hybrid system
18 BATT FAN 10 A Hybrid battery fan
19 ABS MAIN
NO.3 10 AElectronically controlled brake sys-
tem
20 ABS MAIN
NO.1 10 AElectronically controlled brake sys-
tem
21 ABS MAIN
NO.2 10 AElectronically controlled brake sys-
tem
22 AM2 7.5 A Main body ECU
23 EFI MAIN 30 AMultiport fuel injection system/
sequential multiport fuel injection
system, electronic throttle control
system, EFI NO.3
24 AMP 25 A Audio system
FuseAmpereCircuit
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378 4-3. Do-it-yourself maintenance
25 IGCT30 A Hybrid system ECU
26 DOOR NO.1 25 A Main body ECU, power door lock
27 RADIO NO.1 15 A Audio system, navigation system
28 ECU-B NO.1 10 A Front passenger occupant classifi-
cation system, main body ECU
29 DOME 10 AGauges and meters, vanity lights,
trunk light, “POWER” switch light,
door courtesy lights, interior light,
personal lights, clock, smart key
system
30 H-LP(LH) 15 A Left-hand headlight (high beam)
31 H-LP(RH) 15 A Right-hand headlight (high beam)
32 H-LP(LL) 15 A Left-hand headlight (low beam)
33 H-LP(RL) 15 A Right-hand headlight (low beam)
34 HORN 10 A Horns
35 EFI NO.1 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, smart key system
36 MPX-B 10 A Gauges and meters
37 A/F 20 A No circuit
38 S-HORN 7.5 A No circuit
39 INV W/P 15 AHybrid system ECU, hybrid battery
(traction battery), DC/DC converter,
multiport fuel injection system/
sequential multiport fuel injection
system
40 IGCT No.2 10 A Hybrid system ECU, motor genera-
tor ECU
41 EFI NO.3 10 AFuel tank system, multiport fuel
injection system/sequential multi-
port fuel injection system
FuseAmpereCircuit
Page 390 of 497
When trouble arises5
389
5-1. Essential informationEmergency flashers ......... 390
If your vehicle needs to be towed ........................ 391
If you think something is wrong ......................... 394
Event data recorder ......... 395
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds... ....................... 397
If a warning message is displayed........................ 406
If you have a flat tire......... 417
If the hybrid system will not start .......................... 427
If the shift lever cannot be shifted from P............ 429
If you lose your keys ........ 430
If the electronic key does not operate properly....... 431
If the vehicle’s 12-volt battery is discharged ...... 434
If your vehicle overheats ....................... 438
If the vehicle becomes stuck .............................. 442
Page 391 of 497
390
5-1. Essential information
Emergency flashers
NOTICE
■To prevent battery discharge
Do not leave the emergency flashers on longer than necessary when the
hybrid system is not operating.
Use the emergency flashers if th e vehicle malfunctions or is
involved in an accident.
Press the switch to flash all
the turn signal lights. To turn
them off, press the switch
once again.
Page 412 of 497
5
When trouble arises
411
5-2. Steps to take in an emergency
Indicates that the
hybrid battery (trac-
tion battery) is low.
A buzzer also sounds. Stop the vehicle and
shift the shift lever to P.
Indicates that the
transmission is not in
P when attempting to
start the hybrid sys-
tem.
A buzzer also sounds. Shift the shift lever to P
before pressing the
“POWER” switch.
Warning messageDetailsCorrection procedure
Page 416 of 497
5
When trouble arises
415
5-2. Steps to take in an emergency
Continuous
Continuous
(Displayed alternately)
Indicates that
the driver’s door
has been
opened and
closed (with the
shift lever not in
P, the “POWER”
switch in any
mode other
than OFF and
the electronic
key outside of
the detection
area).
• Shift the shift
lever to P.
• Confirm the location of the
electronic key.
Once
Indicates that
the key battery
is low.
Replace the
battery.
(
P. 370)
Once Indicates that a
door has been
opened or
closed and the
“POWER”
switch has been
turned twice to
ACCESSORY
mode the
“POWER”
switch OFF.Press the
“POWER”
switch while
depressing the
brake pedal.
Interior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Page 428 of 497

5
When trouble arises
427
5-2. Steps to take in an emergency
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. 135)
One of the following may be the cause of the problem.
● The electronic key may not be functioning properly. ( P. 431)
● There may be a malfunction in the immobilizer system.
( P. 8 7 )
● There may be a malfunction in the steering lock system.
● The hybrid system may be malfun ctioning due to an electrical
problem such as an open circuit or a blown fuse. However,
depending on the type of malf unction, an interim measure is
available to start the hybrid system. ( P. 428)
■ 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. 434)
● The 12-volt battery terminal c onnections may be loose or cor-
roded.