2012 TOYOTA HIGHLANDER maintenance

496
4-3. Do-it-yourself maintenance
Wireless remote control/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 a rag.)
● Small Phillips-hea d screwdriver
● Lithium battery CR2032 (vehicles without smart key system),
CR1632 (vehicles with smart key system)
■ Replacing the battery (vehicles without smart key system)
Remove the cover using a
coin protected with tape etc.
Remove the discharged trans-
mitter battery.
Insert a new battery with the
“+” terminal facing up.
STEP1
STEP2

497
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Replacing the battery (vehicles with smart key system)
Take out the mechanical key.
Remove the cover.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP1
STEP2
STEP3

498 4-3. Do-it-yourself maintenance
■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 CR2032 (vehicles without sm art key system) or CR1632 (vehicles
with smart key system) lithium battery
● Batteries can be purchased at your Toyota dealer, jewelers, or camera
stores.
● Replace only with the same or equivalent type recommended by your
Toyota dealer.
● Dispose of used batteries according to the local laws.
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.

499
4-3. Do-it-yourself maintenance
4
Maintenance and care
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Vehicles without smart key system: Turn the engine switch
OFF.
Vehicles with smart key system: Turn the “ENGINE START
STOP” switch OFF.
Open the fuse box cover.
Engine compartment (type A) Push the tab in and lift the
fuse box cover off.
Engine compartment (type B) Push the tab in and lift the
fuse box cover off. (if
equipped)STEP1
STEP2

500 4-3. Do-it-yourself maintenance
Under the instrument panelRemove the lid.
After a system failure, see “Fuse layout and amperage rat-
ings” ( P. 502) for details about which fuse to check.
Remove the fuse with the pull-
out tool.
Check if the fuse has blown.
Ty p e A Normal fuse
Blown fuse
Replace it with one of an
appropriate amperage rating.
The amperage rating can be
found on the fuse box lid.
STEP3
STEP4
STEP5

501
4-3. Do-it-yourself maintenance
4
Maintenance and care
Ty p e B
Normal fuse
Blown fuse
Replace it with one of an
appropriate amperage rating.
The amperage rating can be
found on the fuse box lid.
Ty p e C
Normal fuse
Blown fuse
Contact your Toyota dealer.
Ty p e DNormal fuse
Blown fuse
Contact your Toyota dealer.

502 4-3. Do-it-yourself maintenance
Fuse layout and amperage ratings■ Engine compartment
Type A (fuse block on t he back of the cover)
Type A (fuse block)
FuseAmpereCircuit
1 SPARE 7.5 A Spare fuse
2 SPARE 15 A Spare fuse
3 SPARE 25 A Spare fuse

503
4-3. Do-it-yourself maintenance
4
Maintenance and care
4 DEF RLY
10 A Rear window defogger
5 MIR HTR 10 A Outside rear view mirror defoggers
6 PWR OUTLET 20 A Power outlet
7 DOOR NO.1 25 A Multiplex communication system
8 EFI NO.2 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
9 EFI NO.3 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
10 INJ NO.1 15 A Starting system
11 INJ NO.2 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
12 HTR 50 A Air conditioning system
13 VSC NO.1 50 A Enhanced vehicle stability control
system
14 FAN MAIN 50 A Electric cooling fans
15 VSC NO.2 30 A Enhanced vehicle stability control
system
16 PTC NO.1 50 A Air conditioning system
17 PTC NO.2 30 A Air conditioning system
18 PTC NO.3 30 A Air conditioning system
19 RR CLR 40 A Air conditioning system
20 RR DEF 30 A Rear window defogger
21 PBD 30 A Power back door
22 ALT 140 AMIR HTR, PWR OUTLET, DOOR
NO.1, HTR, RR DEF, FAN MAIN,
VSC NO.1, PTC NO.1, RR CLR,
PTC NO.2, PTC NO.3, VSC NO.2,
PBD
FuseAmpereCircuit