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4-3. Do-it-yourself maintenance
4
Maintenance and care
■
Checking interval
Inspect and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, early replacement
may be required. (For scheduled maintenance information, please refer to
the “Scheduled Maintenance Guide” or “Owner’s Manual Supplement”.)
■ If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace it if necessary.
NOTICE
■When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the
system.
■ Replacement method
Remove the air conditioning
filter and replace it with a new
one.
The“UP ” marks shown on the
filter should be pointing up.
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382 4-3. Do-it-yourself maintenance
■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 is reduced.
■ Use a CR2016 (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.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP 3
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4-3. Do-it-yourself maintenance
4
Maintenance and care
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 394 of 513

393
4-3. Do-it-yourself maintenance
4
Maintenance and care
9 ACC
7.5 AAudio system, power outlets,
power rear view mirror control,
automatic transmission shift lock
system, main body ECU, clock,
smart key system
10 MIR HTR 10 A Outside rear view mirror defoggers
11 PWR OUTLET 15 A Power outlet
12 RR FOG 10 A No circuit
13 IGN 7.5 AMultiport fuel injection system/
sequential multiport fuel injection
system, steering lock system, front
passenger occupant classification
system, smart key system, SRS
airbag system
14 GAUGE 2 7.5 A Gauges and meters
15 S-HTR 15 A Seat heaters
16 FR WIP 25 A Windshield wipers
17 RR WIP 15 A Rear window wiper
18 WSH 15 AWindshield washer, rear window
washer
19 ECU IG 1 10 AElectric cooling fan, ABS, TRAC,
Enhanced VSC, AUTO LSD func-
tion, downhill assist control system,
hill-start assist control system,
active torque control 4WD system,
automatic transmission shift lock
system, air conditioning system,
main body ECU, electric moon
roof, stop/tail lights, electric power
steering system, clock, AC inverter,
auto anti-glare inside rear view mir-
ror
20 ECU IG 2 10 AAir conditioning system, rear win-
dow defogger, emergency flashers
FuseAmpereCircuit
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394 4-3. Do-it-yourself maintenance
*: Vehicles without smart key system
21 OBD7.5 A On-board diagnosis system
22 STOP 10 AStop/tail lights, high mounted stop-
light, automatic transmission shift
lock system, multiport fuel injection
system/sequential multiport fuel
injection system, ABS, TRAC,
Enhanced VSC, AUTO LSD sys-
tem, downhill assist control system,
hill-start assist control system
23 DOOR 25 AMain body ECU, power door lock
system
24 ACC-B 25 A ACC, CIG, fuses
25 4WD 7.5 A Active torque control 4WD system
26 FR FOG 15 A Front fog lights
27 AM1* 7.5 A Starting system
28 DEF 30 ARear window defogger, MIR HTR
fuse
29 P/SEAT 30 A Power seat
30 POWER 30 A Power windows
FuseAmpereCircuit
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398 4-3. Do-it-yourself maintenance
Replacing light bulbs■ Headlights
Right side only: Remove the clip
and move it aside to allow easy
access to the light bulbs.
Turn the bulb base counterclock-
wise.
Headlight (low beam)
Headlight (high beam)
Unplug the connector while
depressing the lock release.
STEP 1
STEP 2
STEP 3
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4
Maintenance and care
Reinstalling the clip
■ Front turn signal, parking a nd front side marker lights
Right side only: Remove the clip
and move it aside to allow easy
access to the light bulbs.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
STEP 1
STEP 2
STEP 3
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400 4-3. Do-it-yourself maintenance
Reinstalling the clip
■ Front fog lights (if equipped)
Turn the steering wheel in the
opposite direction of the front fog
light that you wish to replace.
For example, if you wish to
replace the front fog light on the
right side, turn the steering wheel
to the left.
Remove the clip using a flathead
screwdriver wrapped in a rag.
Move section “A” of the fender
liner to the inner side of the vehi-
cle, partly removing it and
thereby allowing access to the
front fog light.
STEP 1
STEP 2
STEP 3