TOYOTA TACOMA 2012 Owners Manual (in English)

471
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.

472
4-3. Do-it-yourself maintenance
Wireless remote control batter y
: If equipped
Replace the battery with a new one if it is discharged.
■You will need the following items:
Lithium battery CR2032
■ Replacing the battery
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.

473
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 CR2032 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.

474
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 to the LOCK position.
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 1.Open the auxiliary box.
2.Pull up the box and disen-gage the claws. Remove the
stoppers from the cutouts
and remove the box.

475
4-3. Do-it-yourself maintenance
4
Maintenance and care
After a system failure, s
ee “Fuse layout and amperage
ratings” ( P. 477) 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.

476 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.
Ty p e DNormal fuse
Blown fuse
Replace it with one of an
appropriate amperage rating.
The amperage rating can be
found on the fuse box lid.

477
4-3. Do-it-yourself maintenance
4
Maintenance and care
Fuse layout and amperage ratings
■ Engine compartment
Type A
Type B

478 4-3. Do-it-yourself maintenance
FuseAmpereCircuit
1 A/C 10 A Air conditioning system
2 TOWING TAIL 30 A Trailer lights (tail lights)
3 FR FOG 15 A Front fog lights
4 STOP 10 A Stop lights, high mounted stop-
light, vehicle stability control sys-
tem, anti-lock brake system, shift
lock system, multiport fuel injection
system/sequential multiport fuel
injection system, towing lights
5 TOWING BRK 30 A Trailer brake controller
6 EFI NO.2 10 A Multiport fuel injection system/
sequential multiport fuel injection
system
7 OBD 7.5 A On-board diagnosis system
8 BATT CHG 30 A Trailer sub battery
9 AI VALVE 10 A AI system
10 TOWING 30 A Towing lights
11 TRN-HAZ 15 A Turn signal lights, emergency
flashers, meter and gauge
12 RADIO NO.2 30 A Audio system
13 HEAD (LO RH) 10 A Right-hand headlight (low beam),
front fog lights
14 HEAD (LO LH) 10 A Left-hand headlight (low beam)
15 HEAD (HI RH) 10 A Right-hand headlight (high beam)
16 HEAD (HI LH) 10 A Left-hand headlight (high beam),
meter and gauge
17 ETCS 10 A Multiport fuel injection system/
sequential multiport fuel injection
system, electronic throttle control
system
18 ALT-S 7.5 A Charging system

479
4-3. Do-it-yourself maintenance
4
Maintenance and care
19 EFI
20 AMultiport fuel injection system/
sequential multiport fuel injection
system
20 HORN 10 A Horn
21 A/F HEATER 15 A Multiport fuel injection system/
sequential multiport fuel injection
system
22 ECU-B 7.5 AWireless remote control system, air
conditioning system, multiplex
communication system, meter and
gauge, front passenger occupant
classification system, garage door
opener
23 DOME 7.5 AInterior light, personal lights, clock,
vanity lights
24 RADIO NO.1 10 A Audio system
25 STA 7.5 AStarting system, multiport fuel
injection system/sequential multi-
port fuel injection system, meter
and gauge, clutch start cancel
switch
26 Spare 10 A Spare fuse
27 Spare 15 A Spare fuse
28 J/B 50 ATAIL, AC SKT, DR LCK, D FR P/W,
D RR P/W, P FR P/W and P RR
P/W fuses
29 AM1 50 AACC, IG1, IG1 NO.2, WIP, WSH,
4WD, BKUP LP and STA fuses
30 HEATER 50 A A/C fuse, air conditioning system
31 ABS NO.1 50 AAnti-lock brake system, vehicle sta-
bility control system
FuseAmpereCircuit

480 4-3. Do-it-yourself maintenance
*: Replace the fuse with one of the same ampere rating as the original32 AM2
30 AIGN and GAUGE fuses, multiport
fuel injection system/sequential
multiport fuel injection system
33 A/PUMP 50 AMultiport fuel injection system/
sequential multiport fuel injection
system
34 ABS NO.2 30 AAnti-lock brake system, vehicle sta-
bility control system
35 AC SKT 100 A Power outlets
36 ALT 120 A*
AM1, AC SKT, HEATER, FR FOG,
STOP, OBD, J/B, TOWING TAIL,
TOWING BRK and BATT CHG
fuses
140 A*
FuseAmpereCircuit