2009 TOYOTA 4RUNNER Owners Manual

401
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 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.
Remove the filter case.
■ 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.

402
4-3. Do-it-yourself maintenance
Wireless remote control batter y
Replace the battery with a new one if it is discharged.
■You will need the following items:
●A coin or equivalent
● Lithium battery CR2016
■ Replacing the battery
Remove the cover using a
coin protected with tape etc.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.

403
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
If the wireless remote control battery is discharged
The following symptoms may occur.
●The wireless remote control will not function properly.
● The operational range is reduced.
■ Use a CR2016 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.
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.

404
4-3. Do-it-yourself maintenance
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.
Turn the engine switch off.
The fuses are located in the following places. To check the
fuses, follow the in structions below.
Engine compartment
Push the tab in and lift the lid
off.
Under the instrument panel Remove the lid.

405
4-3. Do-it-yourself maintenance
4
Maintenance and care
After a system failure, see “Fuse layout and amperage rat-
ings” (
P. 407) 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.

406 4-3. Do-it-yourself maintenance
Ty p e BNormal 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 CNormal fuse
Blown fuse
Replace it with one of an
appropriate amperage rating.
The amperage rating can be
found on the fuse box lid

407
4-3. Do-it-yourself maintenance
4
Maintenance and care
Fuse layout and amperage ratings
■ Engine compartment
FuseAmpereCircuit
1 SPARE 10 A Spare fuse
2 SPARE 15 A Spare fuse
3 STOP 10 A Stop/tail lights, high mounted stop-
light, shift lock control system, anti-
lock brake system, traction control
system (2WD models), active trac-
tion control system (4WD models),
vehicle stability control system,
rear height control air suspension,
multiport fuel injection system/
sequential multiport fuel injection
system, trailer brake controller,
trailer lights (tail lights)
4 AC 115V INV 15 A AC inverter
5 FR FOG 15 A Front fog lights
6 OBD 7.5 A On-board diagnosis system
7 HEAD (LO RH) 10 A Right-hand headlight (low beam)
8 HEAD (LO LH) 10 A Left-hand headlight (low beam)

408 4-3. Do-it-yourself maintenance
9 HEAD (HI RH) 10 A Right-hand headlight (high beam)
10 HEAD (HI LH) 10 A Left-hand headlight (high beam)
11 EFI NO.2 10 A Multiport fuel injection system/
sequential multiport fuel injection
system
12 HEATER NO.2 7.5 A Air conditioning system
13 AIRSUS NO.2 10 A Rear height control air suspension
14 SEAT HEATER 25 A Seat heaters
15 DEFOG 30 A Back window defogger, multiport
fuel injection system/sequential
multiport fuel infection system
16 MIR HEATER 10 A Outside rear view mirror heater
17 DOME 10 A Interior light, personal lights, wire-
less remote control system, door
courtesy lights, gauge and meter,
vanity lights, instrument panel
lights, running board lights, multi-
plex communication system
18 RADIO NO.1 20 A Audio system, navigation system,
rear seat entertainment system
19 ECU-B 10 A Anti-lock brake system, traction
control system (2WD models),
active traction control system (4WD
models), vehicle stability control
system, air conditioning system,
multiplex communication system,
theft deterrent system, driving posi-
tion memory system, front passen-
ger occupant classification system
20 ALT-S 7.5 A Charging system
21 HORN 10 A Horns
22 A/F HEATER 15 A A/F sensor
FuseAmpereCircuit