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384
4-3. Do-it-yourself maintenance
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 CR2016 (vehicles without smart key system)
or CR1632 (vehicles with smart key system)
■ Replacing the battery (vehicles without smart key system)
Remove the cover.
Remove the module.
STEP 1
STEP 2
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4-3. Do-it-yourself maintenance
4
Maintenance and care
Open the case cover using a
coin protected with tape etc.
and remove the depleted bat-
tery.
Insert a new battery with the
“+” terminal facing up.
■
Replacing the battery (vehicles with smart key system)
Take out the mechanical key.
Remove the cover.
STEP 3
STEP 1
STEP 2
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386 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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388
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.
Vehicles without smart key system: Turn the engine switch
off.
Vehicles with smart key system: Turn the “ENGINE START
STOP” switch off.
The fuses are located in the following places. To check the
fuses, follow the in structions below.
Open the fuse box cover.
Engine compartment Type A: Push the tab in and lift
the lid off.
Type B: Push the tab in and lift
the lid off.STEP 1
STEP 2
STEP 3
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392 4-3. Do-it-yourself maintenance
Fuse layout and amperage ratings■ Engine compartment
Type A (passenger’s side)
FuseAmpereCircuit
1 SPARE 30 A Spare fuse
2 SPARE 20 A Spare fuse
3 SPARE 10 A Spare fuse
4 ECU-B2 7.5 A Air conditioning system, power win-
dows, smart key system
5 ALT-S 7.5 A Charging system
6 STR LOCK 20 A Smart key system
7 RAD No.1 20 A Audio system
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393
4-3. Do-it-yourself maintenance
4
Maintenance and care
8 ECU-B
10 AGauges and meters, clock, main
body ECU, wireless remote control,
smart key system, audio system,
front passenger occupant classifi-
cation system, ABS, TRAC,
Enhanced VSC system, “AUTO
LSD”, downhill assist control sys-
tem, hill-start assist control system,
Active torque control 4WD system
9 DOME 10 AVanity lights, personal/interior
lights, interior light, luggage com-
partment light, engine switch light,
foot lights
10 H-LP LH 10 A Left-hand headlight (high beam)
11 H-LP RH 10 A Right-hand headlight (high beam)
12 H-LP LL 10 A Left-hand headlight (low beam)
13 H-LP RL 10 A Right-hand headlight (low beam)
14 AC INV 15 A AC inverter
15 TOWING*
130 A No circuit
16 DEICER 20 A Windshield wiper deicer
17 HTR 50 A Air conditioning system
18 PTC NO.3 50 A No circuit
19 PTC NO.2 50 A No circuit
20 PTC NO.1 50 A No circuit
21 HEAD MAIN 50 A “H-LP LH”, “H-LP RH”, “H-LP LL”,
“H-LP RL” fuses
22 RDI*
230 A
Electric cooling fan
FA N 2 *
150 A
FuseAmpereCircuit
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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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398 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