2012 TOYOTA HIGHLANDER HYBRID Owners Manual

497
4-3. Do-it-yourself maintenance
4
Maintenance and care
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 “POWER” switch
OFF.
Open the fuse box cover.
Engine compartment (type A) Push the tab in and lift the lid
off.
Engine compartment (type B) Push the tab in and lift the lid
off.STEP1
STEP2

498 4-3. Do-it-yourself maintenance
Engine compartment (type C)Push the tab in and lift the lid
off.
Under the instrument panel Remove the lid.
Luggage compartment Remove the terminal cover.
After a system failure, see “Fuse layout and amperage rat-
ings” ( P. 501) for details about which fuse to check.
STEP3

499
4-3. Do-it-yourself maintenance
4
Maintenance and care
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.
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.
STEP4
STEP5

500 4-3. Do-it-yourself maintenance
Ty p e CNormal fuse
Blown fuse
Contact your Toyota dealer.
Ty p e D
Normal fuse
Blown fuse
Contact your Toyota dealer.

501
4-3. Do-it-yourself maintenance
4
Maintenance and care
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 30 A Spare fuse

502 4-3. Do-it-yourself maintenance
4 HTR50 A Air conditioning system
5 FAN NO.1 50 A Electric cooling fan
6 FAN NO.2 50 A Electric cooling fan
7 ABS NO.1 50 A Brake system
8 RR CLR 40 A Air conditioning system
9 SPARE 40 A Spare fuse
10 RR DEF 30 A Rear window defogger
11 PBD 30 A Power back door
12 HV R/B NO.2 50 A ABS MAIN NO.1, ABS MAIN NO.2,
BATT FAN, OIL PMP
13 HV R/B NO.1 30 A Hybrid system, PCU, IGCT NO.2
IGCT NO.3, INV W/P
14 PD 50 AA/F, HORN, H-LP RH HI, H-LP LH
HI, H-LP RH LO, H-LP LH LO,
S-HORN
15 ABS NO.2 50 A Brake system
16 EPS 80 A Electric power steering
17 DC/DC 150 ARR DOOR RH, RR DOOR LH, FR
FOG, OBD, A/C W/PMP, STOP,
DOOR NO.2, AM1, P/SEAT(PS),
A/C NO.1, FUEL OPN, S/ROOF,
TAIL, PANEL, ECU IG NO.1, ECU
IG NO.2, A/C NO.2, WASH,
S-HTR, GAUGE NO.1, FR WIP,
RR WIP, ECU-ACC, ACC SOCK
NO.1, ACC SOCK NO.2, RADIO
NO.2, P/SEAT, POWER
18 EFI MAIN 30 AMultiport fuel injection system/
sequential multiport fuel injection
system, EFI NO.1, EFI NO.2, EFI
NO.3, F/PMP
19 TOWING 30 A Trailer lights
FuseAmpereCircuit

503
4-3. Do-it-yourself maintenance
4
Maintenance and care
20 ST
10 A Starting system
21 IG2 30 A INJ, GAUGE NO.2, IGN
22 STRG LOCK 20 A Steering lock system
23 RADIO NO.1 20 A Audio system
24 ABS MAIN
NO.3 15 AElectronically controlled brake sys-
tem
25 AMP 15 A Audio system
26 HAZ 15 A Turn signal lights
27 CAPACITER 15 A Brake system
28 G/H 10 AGlass hatch, multiplex communica-
tion system, outer foot lights
29 CRT 10 ARear seat entertainment system,
audio system
30 ETCS 15 AMultiport fuel injection system/
sequential multiport fuel injection
system
31 AM2 7.5 A Multiplex communication system
32 ECU-B NO.2 7.5 A Air conditioning system
33 HV MAIN 10 A Hybrid system
34 DOME 10 AVanity lights, personal lights, inte-
rior light, gauges and meters, door
courtesy lights, engine switch light
35 ECU-B NO.1 10 A Steering sensor, gauges and
meters, main body ECU, wireless
remote control, smart key system,
power back door, on-board diagno-
sis system, multi-information dis-
play
36 EFI NO.1 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, smart key system
FuseAmpereCircuit

504 4-3. Do-it-yourself maintenance
37 WIP-S10 A Air conditioning system
38 EFI NO.2 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
39 EFI NO.3 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
40 F/PMP 15 A Fuel pump
41 INJ 15 AStarting system, multiport fuel
injection system/sequential multi-
port fuel injection system
42 DEICER 15 A Windshield wiper de-icer
43 FILTER 10 A Condenser
44 RR DEF 10 A Rear window defogger
45 MIR HTR 10 A Outside rear view mirror defoggers
46 PWR OUTLET 20 A Power outlet
47 DOOR NO.1 25 A Multiplex communication system
48 H-LP RH HI 15 A Right-hand headlight (high beam)
49 H-LP LH HI 15 A Left-hand headlight (high beam)
50 H-LP RH LO 15 A Right-hand headlight (low beam)
51 H-LP LH LO 15 A Left-hand headlight (low beam)
52 HORN 10 A Horn
53 A/F 20 A Air fuel ratio sensor
54 S-HORN 7.5 AMultiport fuel injection system/
sequential multiport fuel injection
system
FuseAmpereCircuit