Page 563 of 720
563
4-3. Do-it-yourself maintenance
4
Maintenance and care
LC200_OM_OM60F57U_(U)
Electronic key batter y
Replace the battery with a new one if it is discharged.
■You will need the following items:
●Flathead screwdriver (To prevent damage to the key, cover
the tip of the screwdriver with rag.)
●Small Phillips-head screwdriver
●Lithium battery CR1632
■Replacing the battery
Take out the mechanical key.
Remove the cover.
STEP1
STEP2
Page 564 of 720
564 4-3. Do-it-yourself maintenance
LC200_OM_OM60F57U_(U)
■If the electronic key battery is discharged
The following symptoms may occur.
●The smart key system and wireless remote control will not function prop-
erly.
●The operational range is reduced.
■Use a CR1632 lithium battery
●Batteries can be purchased at your Toyota dealer, jewelers, or camera
stores.
●Replace only with the same or equivalent type recommended by a
Toyota dealer.
●Dispose of used batteries according to the local laws.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP3
Page 565 of 720
565 4-3. Do-it-yourself maintenance
4
Maintenance and care
LC200_OM_OM60F57U_(U)
CAUTION
■Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. 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 electronic key.
●Do not bend the battery terminals.
Page 571 of 720
571 4-3. Do-it-yourself maintenance
4
Maintenance and care
LC200_OM_OM60F57U_(U)
16STOP15 AStoplights, high mounted stop-
light, brake controller, towing
converter, ABS, VSC, main
body ECU, EFI, trailer
17TOW BRK30 A
Brake controler
18AHC50 A
No circuit
19PTC-150 A
PTC heater
20PTC-250 A
PTC heater
21PTC-350 A
PTC heater
22RH-J/B50 A
RH-J/B
23SUB BATT40 A
To w i n g
24VGRS40 A
VGRS ECU
25H-LP CLN30 A
Headlight cleaner
26DEFOG30 A
Rear window defogger
27HTR50 A
Front air conditioning system
28PBD30 A
No circuit
29LH-J/B150 A
LH-J/B
30ALT180 A
Alternator
31A/PUMP NO.150 A
AI DRIVER
32A/PUMP NO.250 A
AI DRIVER 2
33MAIN40 AHeadlight, daytime running
light system, HEAD LL, HEAD
RL, HEAD LH, HEAD RH
34ABS150 A
ABS
35ABS230 A
ABS
36ST30 A
Starter system
37IMB7.5 AID code box, smart key sys-
tem, GBS
38AM25 A
Main body ECU
39DOME27.5 AVanity lights, overhead mod-
ule, rear interior light
FuseAmpereCircuit
Page 572 of 720

572 4-3. Do-it-yourself maintenance
LC200_OM_OM60F57U_(U)
40ECU-B25 ADriving position memory sys-
tem
41AMP 230 A
Audio system
42RSE7.5 A
Rear seat entertainment
43TOWING30 A
To w i n g
44DOOR NO.225 A
Main body ECU
45STR LOCK20 A
Steering lock system
46TURN-HAZ15 AMeter, front turn signal lights,
rear turn signal lights, towing
converter
47EFI MAIN220 A
Fuel pump
48ETCS10 A
EFI
49ALT-S5 A
IC-ALT
50AMP 130 A
Audio system
51RAD NO.110 ANavigation system, audio sys-
tem
52ECU-B15 ASmart key system, overhead
module, tilt and telescopic
steering, meter, cool box, gate-
way ECU, steering sensor
53DOME110 A
Illuminated entry system, clock
54HEAD LH15 A
Headlight high beam (left)
55HEAD LL15 A
Headlight low beam (left)
56INJ10 A
Injector, ignition system
57MET5 A
Meter
58IGN10 ACircuit open, SRS airbag sys-
tem, gateway ECU, occupant
detection system, smart key
system, ABS, VSC, steering
lock system, GBS
59DRL5 A
Daytime running light
60HEAD RH15 A
Headlight high beam (right)
FuseAmpereCircuit
Page 574 of 720
574 4-3. Do-it-yourself maintenance
LC200_OM_OM60F57U_(U)■Driver’s side instrument panel
FuseAmpereCircuit
1CIG15 A Cigarette lighter
2BK/UP LP10 A Back-up lights, trailer
3ACC7.5 AAudio system, multi-display
assembly, main body ECU,
mirror ECU, rear seat enter-
tainment, smart key system,
clock
4PA N E L10 AFour-wheel drive system, ash-
tray, cigarette lighter, brake
controller, cool box, cruise con-
trol, center differential lock,
multi-display assembly, seat
heater, air conditioning system,
glove box light, emergency
flashers, audio system, head-
light cleaner switch, inverter,
driving position memory sys-
tem, outside rear view mirror
switches, overhead module,
roll sensing of curtain shield
airbags off switch, shift lever
switch, steering switches, VSC
OFF switch, console switch
Page 597 of 720
When trouble arises5
597
LC200_OM_OM60F57U_(U)
5-1. Essential information
Emergency flashers ......... 598
If your vehicle needs
to be towed .................... 599
If you think something
is wrong ......................... 604
Fuel pump shut off
system ........................... 6055-2. Steps to take in
an emergency
If a warning light turns
on or a warning
buzzer sounds... ........... 606
If a warning message
is displayed .................... 617
If you have a flat tire......... 633
If the engine will not
start ................................ 647
If the shift lever cannot be
shifted from P ................. 649
If you lose your keys ........ 650
If the electronic key
does not operate
properly .......................... 651
If the battery is
discharged ..................... 654
If your vehicle
overheats ....................... 658
If the vehicle
becomes stuck ............... 661
If your vehicle has to be
stopped in an
emergency ..................... 663
Page 626 of 720
626 5-2. Steps to take in an emergency
LC200_OM_OM60F57U_(U)
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
Once3 times
(Flashes)The electronic key
was carried out-
side the vehicle
and a door other
than the driver’s
door was opened
and closed while
the “ENGINE
START STOP”
switch was in a
mode other than
off.Bring the
electronic
key back
into the
vehicle.
The driver’s door
was opened and
closed while the
electronic key was
not in the vehicle,
the shift lever was
in “P” and the
“ENGINE START
STOP” switch was
not turned off. Turn the
“ENGINE
START
STOP”
switch off
or bring the
electronic
key back
into the
vehicle.