2012 TOYOTA RAV4 EV key battery

390 4-3. Do-it-yourself maintenance
12 ABS 130 A Anti-lock brake system
13 ECB 1 50 AElectronically controlled brake sys-
tem
14 ECB 2 50 AElectronically controlled brake sys-
tem
15 W/P-IGCT 50 A P/T W/P, BATT W/P 1, BATT W/P 2
16 EPS 60 A Electric power steering
17 P/I 60 AIGCT-D, HORN, parking control
system, IG2
18 MAIN 60 AH-LP MAIN, DRL, ODS, smart key
system, ABS 2, steering lock sys-
tem, PM-B, ECU-B MAIN
19 CONTACTOR 15 A Traction battery, charging system
20 IG2 15 A Starting system
21
HORN 10 A Horn
22 IGCT-D 7.5 A Thermal control system, power
management ECU, parking control
system, multiplex communication
system
23 PM-IGCT 7.5 A Power management system
24 P CNT-IGCT 7.5 A Parking control system
25 A/C-IGCT 10 A Air conditioning system
26 FAN-IGCT 7.5 A Electric cooling fans
FuseAmpereCircuit

392 4-3. Do-it-yourself maintenance
14 SMART7.5 A Smart key system
15 STRG LOCK 20 A Steering lock system
16 AM2 7.5 A Starting system
17 ABS 2 7.5 A Anti-lock brake system
18 PTC HTR 2 50 A Air conditioning system
19 PTC HTR 1 50 A Air conditioning system
20 PTC HTR 3 50 A Air conditioning system
21 CHARGER 5 A Charging system
22 IGCT 2 20 A THRML CTRL, G/W-IGCT
23 HV BATT 10 A Traction battery
24 PM-B 7.5 A Power management system
25 ODS 7.5 A Occupant classification system
26 HTR 50 A Air conditioning system
27 FAN 1 50 A Electric cooling fans
28 FAN 2 50 A Electric cooling fans
29 H-LP MAIN 40 A H-LP LH-LO, H-LP RH-LO, H-LP
LH-HI, H-LP RH-HI, manual head-
light leveling system, daytime run-
ning light system
30 ECU-B MAIN 30 A ECU-B 2, A/C-B
31 SPARE 5 A Spare fuse
32 SPARE 10 A Spare fuse
33 SPARE 20 A Spare fuse
FuseAmpereCircuit

When trouble arises5
411
5-1. Essential informationEmergency flashers ......... 412
If your vehicle needs to be towed ........................ 413
If you think something is wrong ......................... 416
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds... ....................... 417
If a warning message is displayed........................ 427
If you have a flat tire......... 447
If the EV (Electric Vehicle) system will not start ....... 465
If you lose your keys ........ 467
If the electronic key does not operate
properly .......................... 468
If the vehicle 12-volt battery is discharged ...... 470
If your vehicle overheats ....................... 475
If the vehicle becomes stuck .............................. 477
If your vehicle has to be stopped in an
emergency ..................... 479

5
When trouble arises
441
5-2. Steps to take in an emergency
Once 3 times
(Flashes)An open door
other than the
driver’s door is
closed while the
electronic key is
outside the
detection range
and the
“POWER”
switch is in
ACCESSORY
or ON mode
with the shift
position in P.
Turn the
“POWER”
switch to
off or con-
firm the
location of
the elec-
tronic key.
Contin-
uous 
(Flashes)The driver’s
door has been
opened with the
shift position in
a position other
than P and with-
out first turning
the “POWER”
switch off.
Put the
shift posi-
tion into P.
Once  The electronic
key battery is
low.Replace
the bat-
tery.
(
P. 383)
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure

5
When trouble arises
465
5-2. Steps to take in an emergency
If the EV (Electric Vehicle) system will not start
Reasons for the EV system not star ting vary depending on the situa-
tion. Check the following and pe rform the appropriate procedure:
■The EV system will not start even though the correct start-
ing procedure is being followed. ( P. 200)
One of the following may be the cause of the problem:
● The charging cable may be connected to the vehicle.
● The electronic key may not be functioning properly. ( P. 468)
● There may be a malfunction in the immobilizer system.
( P. 149)
● There may be a malfunction in the steering lock system.
● The EV system may be malfunct ioning 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 EV system. ( P. 385)
● There may be a malfunction in th e P position control system.*
(  P. 203)
*: It may not be possible to shift the shift position from P to other posi-
tions.
■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. 470)
● The 12-volt battery terminal c onnections may be loose or cor-
roded.

468
5-2. Steps to take in an emergency
If the electronic key does not operate properly
Locking and unlocking the doors with the mechanical key
Use the mechanical key ( P. 94)
in order to perform the following
operations:
Locks all the doors
Unlocks all the doors
Turning the key rearward unlocks
the driver’s door. Turning the key
once again unlocks the other
doors.
Changing “POWER” switch modes and starting the EV system
Apply the brakes. Touch the Toyota emblem side of
the electronic key to the
“POWER” switch.
If any of the doors is opened and
closed while the key is being
touched to the switch, an alarm
will sound to indicate that the start
function cannot detect the elec-
tronic key.
If communication between the electronic key and vehicle is inter-
rupted (P. 104) or the electronic key cannot be used because the
battery is depleted, the smart key system and wireless remote con-
trol cannot be used. In such cases, the doors and back door can be
opened and the EV system can be started by following the procedure
below.
STEP 1
STEP 2

5
When trouble arises
469
5-2. Steps to take in an emergency
To change “POWER” switch modes:
Within 10 seconds of the buzze
r sounding, release the brake
pedal and press the “POWER” switch. Modes can be changed
each time the switch is pressed. ( P. 202)
To start the EV system:
Press the “POWER” switch within 10 seconds of the buzzer
sounding, keeping the brake pedal depressed.
In the event that the EV system still cannot be operated, contact your
Toyota dealer.
■ Stopping the EV system
Set the parking brake, push the P position switch and press the “POWER”
switch as you normally do when stopping the EV system.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery is depleted.
(P. 383)
STEP 3

509
Alphabetical index
Alphabetical index
A/C ............................................ 276
ABS........................................... 251
Active head restraints............. 120
Air conditioning filter .............. 381
Air conditioning systemAir conditioning filter ............. 381
Automatic air conditioning system ........... 276
Pre-climate ..................... 53, 277
Remote Climate Control ......................... 53, 277
Airbags Airbag operating
conditions ................... 156, 157
Airbag precautions for your child............................ 161
Airbag warning light .............. 418
Curtain shield airbag operating conditions ........... 157
Curtain shield airbag precautions ........................ 161
Front passenger occupant
classification system .......... 166
General airbag precautions ........................ 161
Locations of airbags ............. 154
Modification and disposal of airbags ............................... 165
Proper driving posture ....................... 152, 161
Side airbag operating
conditions ........................... 157
Side airbag precautions........ 161
SRS airbags ......................... 154
Anti-lock brake system ........... 251
Armrest .................................... 313
Assist grips.............................. 315
Automatic air
conditioning system ............. 276
Automatic light control system ................................... 234
Auxiliary box........................... 302 Back-up lights
Replacing light bulbs .............400
Wattage .................................488
Back door
Back door ..............................113
Smart key system... .................96
Wireless remote control ........108
Battery Checking (12-volt battery) .....362
If the vehicle 12-volt battery is discharged.......................470
Lithium-ion battery...................34
Preparing and checking before winter .......................268
Traction battery .......................32
Bottle holder .............................300
Brake assist ..............................251
Brakes Fluid ......................................361
Parking brake ........................216
Break-in tips .............................191
Care Exterior ..................................334
Interior ...................................337
Seat belts ..............................338
Cargo capacity .........................267
Cargo hooks .............................317
Chains .......................................268
Charging
Charge immediately ..........53, 64
Charge mode ..........................58
Charging cable ........................47
Charging equipment ................46
Charging indicator ...................59
Charging messages ..............443
Charging precautions ..............84
Charging procedure ...............53
Charging time will increase when .....................................79AB
C