TOYOTA HIGHLANDER 2012 XU40 / 2.G Owners Manual

Page 501 of 636

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.

Page 502 of 636

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

Page 503 of 636

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

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504 4-3. Do-it-yourself maintenance
23 EPS80 A Electric power steering
24 ST 30 A Starting system
25 CRT 10 ARear seat entertainment system,
audio system
26 RADIO NO.1 20 A Audio system
27 ECU-B NO.1 10 A Steering sensor, gauges and
meters, clock, main body ECU,
wireless remote control, smart key
system, power back door, multi-
information display, front passen-
ger occupant classification system
28 DOME 10 AVanity lights, personal lights, inte-
rior light, gauges and meters,
engine switch light, door courtesy
lights
29 TOWING 30 A Trailer lights
30 STR LOCK 20 A Steering lock system
31 EFI MAIN 25 AMultiport fuel injection system/
sequential multiport fuel injection
system, EFI NO.2, EFI NO.3
32 HAZ 15 A Turn signal lights
33 IG2 25 AINJ NO.1, INJ NO.2, IGN, GAUGE
NO.2
34 AMP 15 A Audio system
35 RR FOG 7.5 A No circuit
36 DEICER 15 A Windshield wiper de-icer
37 G/H 10 AGlass hatch, multiplex communica-
tion system, outer foot lights
38 ALT-S 7.5 A Charging system
39 AM2 7.5 A Multiplex communication system
40 H-LP LH HI 15 A Left-hand headlight (high beam)
FuseAmpereCircuit

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505
4-3. Do-it-yourself maintenance
4
Maintenance and care
Type B (if equipped)
41 H-LP RH HI 15 A Right-hand headlight (high beam)
42 H-LP LH LO 15 A Left-hand headlight (low beam)
43 H-LP RH LO 15 A Right-hand headlight (low beam)
44 HORN 10 A Horn
45 EFI NO.1 10 A
Multiport fuel injection system/
sequential multiport fuel injection
system, smart key system
46 ETCS 10 A Multiport fuel injection system/
sequential multiport fuel injection
system
47 A/F 20 A Air fuel ratio sensor
48 S-HORN 7.5 A S-HORN
FuseAmpereCircuit
1 INV-W/P 15 A No circuit
2 IGCT NO.2 7.5 A No circuit
3 A/C 10 A No circuit
FuseAmpereCircuit

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506 4-3. Do-it-yourself maintenance
■Under the instrument panel
Front side of the fuse block
Fuse block
FuseAmpereCircuit
1 P/SEAT 30 A Power seat
2 POWER 30 A Power windows
3 RR DOOR RH 25 A Power windows
4 RR DOOR LH 25 A Power windows
5 FR FOG 10 A Fog lights
6 OBD 7.5 A On-board diagnosis system
7 A/C W/PMP 7.5 A No circuit
8 STOP 10 A Enhanced vehicle stability control
system, multiplex communication
system, multiport fuel injection sys-
tem/sequential multiport fuel injec-
tion system, shift lock system, stop
lights

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507
4-3. Do-it-yourself maintenance
4
Maintenance and care
9 DOOR NO.2 25 A Power windows
10 AM1 7.5 A Starting system 11 P/SEAT (PS) 30 A Power seat
12 A/C NO.1 10 A Air conditioning system
13 FUEL OPN 7.5 A No circuit
14 S/ROOF 20 A Electric moon roof
15 TAIL 15 A Parking lights, tail lights, license
plate lights, fog lights, trailer lights
16 PANEL 7.5 A Glove box light, instrument panel
lights, switch illumination
17 ECU IG NO.1 10 A Multiplex communication system,
electric moon roof, electronically
controlled automatic transmission
system, power back door, seat
heaters, tire pressure warning sys-
tem, electric power steering, anti-
glare inside rear view mirror, shift
lock system, tire pressure warning
system
18 ECU IG NO.2 7.5 A Enhanced vehicle stability control
system
19 A/C NO.2 10 A Air conditioning system
20 WASH 20 A Windshield and rear window
washer
21 S-HTR 20 A Seat heaters
FuseAmpereCircuit

Page 508 of 636

508 4-3. Do-it-yourself maintenance
22 GAUGE NO.1 10 AAudio system, back-up lights,
charging system, emergency flash-
ers, traction control system, wind-
shield wiper de-icer, air
conditioning system, charging sys-
tem, rear view monitor system,
trailer lights, multiport fuel injection
system/sequential multiport fuel
injection system
23 FR WIP 30 A Windshield wipers and washer
24 RR WIP 15 A Rear window wiper and washer
25 IGN 10 A Multiport fuel injection system/
sequential multiport fuel injection
system, steering lock system,
smart key system, SRS airbag sys-
tem
26 GAUGE NO.2 7.5 A Gauges and meters, rear view
monitor system
27 ECU-ACC 7.5 A Outside rear view mirrors, shift lock
system, smart key system, multi-
plex communication system
28 ACC SOCK
NO.1 15 A Power outlet
29 ACC SOCK
NO.2 15 A Power outlet
30 RADIO NO.2 7.5 A Audio system, clock, rear seat
entertainment system, interior
lights, personal lights
FuseAmpereCircuit

Page 509 of 636

509
4-3. Do-it-yourself maintenance
4
Maintenance and care

After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb
may need replacement. ( P. 510)
● If the replaced fuse blows again, have the vehicle inspected by your
Toyota dealer.
■ If there is an overload in the circuits
The fuses are designed to blow, protecting the wiring harness from damage.
CAUTION
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failing to do so may cause damage, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than indicated, or use any
other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
This can cause extensive damage or even fire.
● Do not modify fuses or the fuse box.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your
Toyota dealer as soon as possible.

Page 510 of 636

510
4-3. Do-it-yourself maintenance
Light bulbs
You may replace the following bulbs yourself. The difficulty level of
replacement varies depending on the bulb. If necessary bulb
replacement seems difficult to perfor m, contact your Toyota dealer.
For more information about replacing other light bulbs, contact your
Toyota dealer.
■ Prepare a replacement light bulb.
Check the wattage of the light bulb being replaced. ( P. 586)
■ Turn the power back door main switch OFF. (vehicles with
power back door)
 P. 6 2
■ Front bulb locations
Headlight high
beams and
daytime running
lights (if equipped)
Headlight low beams
Fog lights (if equipped)
Parking, front side
marker and front turn
signal lights

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