key TOYOTA CAMRY HV 2012 Service Manual

382
4-3. Do-it-yourself maintenance
Electronic key batter y
Replace the battery with a new one if it is depleted.
■You will need the following items:
●Flathead screwdriver
● Small flathead screwdriver
● Lithium battery CR2032
■ Replacing the battery
Take out the mechanical key.
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a rag.
Remove the depleted battery
using a small flathead screw-
driver.
Insert a new battery with the
“+” terminal facing up.
STEP1
STEP2
STEP3

383
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Use a CR2032 lithium battery
●Batteries can be purchased at your Toyota dealer, 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 key system and wireless remote control will not function prop-
erly.
● The operational range will be reduced.
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.
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.

389
4-3. Do-it-yourself maintenance
4
Maintenance and care
*1: Vehicles with halogen headlight
*2: Vehicles with discharge headlight
31 H-LP RH-LO
15 A
*1
Right-hand headlight (low beam)
20 A*2
32 MNL H-LP
LV L*27.5 A Manual headlight leveling system
33 EFI-MAIN NO.1 30 A Multiport fuel injection system/
sequential multiport fuel injection
system, EFI NO.2, EFI NO.3
34 SMART 5 A Smart key system
35 ETCS 10 A Electronic throttle control system
36 ABS NO.2 7.5 A Electronically controlled brake sys-
tem
37 EFI NO.1 7.5 A Multiport fuel injection system/
sequential multiport fuel injection
system
38 EFI-MAIN NO.2 20 A A/F sensor
39 AM2 7.5 A Hybrid system
40 RADIO-B 20 A Audio system, navigation system
41 DOME 7.5 A Clock, vanity lights, interior lights,
personal lights, trunk light, door
courtesy lights
42 ECU-B NO.1 10 A Smart key system, gauge and
meters, Blind Spot Monitor, steer-
ing sensor, occupant classification
system, multiplex communication
system
43 SPARE 25 A Spare fuse
44 SPARE 30 A Spare fuse
FuseAmpereCircuit

391
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Under the instrument panel
FuseAmpereCircuit
1 ECU-IG1 NO.2 10 A Shift lock control system, seat
heaters, smart key system, tire
pressure warning system, multiplex
communication system, audio sys-
tem, navigation system, moon roof,
auto anti-glare inside rear view mir-
ror, air conditioning system
2 ECU-IG1 NO.1 10 A Electronically controlled brake sys-
tem, electric cooling fans, stop
lights, steering sensor, Vehicle
Proximity Notification System, rear
window defogger, outside rear view
mirror defogger, back-up lights,
audio system, navigation system
3 PANEL 10 A Switch illumination, air condition-
ing system, shift lever light, glove
box light, audio system, navigation
system, personal lights, interior
lights
4 TAIL 15 A Parking lights, side marker lights,
tail lights, license plate lights, fog
lights

392 4-3. Do-it-yourself maintenance
5 EPS-IG17.5 A Electric power steering
6 ECU-IG1 NO.3 7.5 A Blind Spot Monitor
7 S/HTR&FAN
F/L 10 A Seat heaters
8 H-LP LVL 7.5 A No circuit
9 WASHER 10 A Windshield wipers and washer
10 A/C-IG1 7.5 AAir conditioning system, PTC
heater
11 WIPER 25 A Windshield wipers and washer
12 BKUP LP 7.5 A No circuit
13 DOOR NO.1 30 A Power windows
14 WIPER-S 5 A No circuit
15 P/OUTLET RR 20 A Power outlet
16 SFT LOCK-
ACC 5 A No circuit
17 DOOR R/R 20 A Rear right-hand power windows
18 DOOR R/L 20 A Rear left-hand power windows
19 OBD 10 A On-board diagnosis system
20 ECU-B NO.2 10 A Smart key system, tire pressure
warning system
21 DOOR NO.2 20 A Power windows
22 AM1 7.5 A No circuit
23 STOP 7.5 ATail lights, electronically controlled
brake system, high mounted stop-
light, shift lock control system,
hybrid system, Vehicle Proximity
Notification System
24 P/SEAT RR 30 A No circuit
25 A/C-B 7.5 A Air conditioning system
FuseAmpereCircuit

393
4-3. Do-it-yourself maintenance
4
Maintenance and care
26 S/ROOF
10 A Moon roof
27 P/SEAT FR 30 A Power seats
28 PSB 30 A No circuit
29 D/L-AM1 20 AMultiplex communication system,
power door lock, trunk opener
switch
30 TI&TE 20 A No circuit
31 A/B 10 AOccupant classification system,
SRS airbag system
32 ECU-IG2 NO.1 7.5 A Hybrid system
33 ECU-IG2 NO.2 7.5 A Electronically controlled brake sys-
tem, smart key system
34 CIG&P/
OUTLET 15 A Power outlet
35 ECU-ACC 7.5 A Clock, outside rear view mirrors,
multiplex communication system,
audio system, navigation system
36 S/HTR&FAN F/
R 10 A Seat heaters
37 S/HTR RR 20 A No circuit
FuseAmpereCircuit

402 4-3. Do-it-yourself maintenance
Turn the bulb base counterclock-
wise.
Remove the light bulb.
■ License plate light
Remove the lens.
Insert a properly sized Allen key
into the hole of the lens, and pry
off the lens as shown in the illus-
tration.
To prevent damaging the vehicle,
wrap the tip of the Allen key with
a tape.
Remove the light bulb.
STEP3
STEP4
STEP1
STEP2

When trouble arises5
407
5-1. Essential informationEmergency flashers ......... 408
If your vehicle needs to be towed ........................ 409
If you think something is wrong ......................... 412 5-2. Steps to take in an
emergency
If a warning light turns on or a warning buzzer
sounds... ....................... 413
If a warning message is displayed........................ 423
If you have a flat tire......... 442
If the hybrid system will not start .......................... 454
If the shift lever cannot be shifted from P............ 456
If you lose your keys ........ 457
If the electronic key does not operate properly....... 458
If the vehicle’s 12-volt battery is discharged ...... 461
If your vehicle overheats ....................... 465
If the vehicle becomes stuck .............................. 469
If your vehicle has to be stopped in an
emergency ..................... 470

5
When trouble arises
425
5-2. Steps to take in an emergency
Have the vehicle inspected immediately.
A buzzer sounds and a warning message is shown on the multi-infor-
mation display. Failure to investig ate the cause of the following warn-
ings may lead to the system operating abnormally and possibly
cause an accident. Have the vehicle inspected by your Toyota dealer
immediately.
Warning messageDetails
(Flashes) •
Indicates a malfunction in the steering lock sys-
tem.
• Indicates a malfunction in the smart key sys-
tem.
A buzzer also sounds.
Indicates a malfunction in the cruise control
system.
(If equipped) Indicates a malfunction in the Blind Spot Moni-
tor.

5
When trouble arises
433
5-2. Steps to take in an emergency
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem,
check that the warning message and light go off.
Interior
buzzerExterior
buzzerWarning messageDetailsCorrection procedure
Once
(Flashes)The electronic
key is not
detected when
an attempt is
made to start
the hybrid sys-
tem.
Start the hybrid
system with the
electronic key
present.