2008 TOYOTA HIGHLANDER maintenance

455
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.
Turn the “ENGINE START STOP” switch or the engine
switch OFF.
The fuses are located in the following places. To check the
fuses, follow the in structions below.
Remove the lid.
Engine compartment
Type A: Push the tab in and lift
the lid off.
Type B: Push the tab in and lift
the lid off. (if equipped)STEP1
STEP2
STEP3

456 4-3. Do-it-yourself maintenance
Under the instrument panelAfter a system failure, see “Fuse layout and amperage rat-
ings” ( P. 458) 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.
STEP4
STEP5
STEP6

457
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.

458 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

459
4-3. Do-it-yourself maintenance
4
Maintenance and care
4 DEF RLY
10 A Rear window defogger
5 MIR HTR 20 A MIR HTR (15 A)
6 P/OUT 20 A Power outlet
7 DOOR 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 A Starting system
12 HTR 50 A Air conditioning system
13 VSC NO.1 50 A Vehicle stability control
14 FAN MAIN 50 A Electric cooling fan
15 VSC NO.2 30 A Vehicle stability control
16 PTC NO.1 50 A PTC heater
17 PTC NO.2 30 A PTC heater
18 PTC NO.3 30 A PTC heater
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, P/OUT, DOOR 1, HTR,
RR DEF, FAN MAIN, ABS NO.1,
PTC NO.1, RR CLR, PTC NO.2,
PTC NO.3, ABS NO.2, PBD
23 EPS 80 A Electric power steering
24 ST 30 A Starting system
25 CRT 10 A Rear seat entertainment system
FuseAmpereCircuit

460 4-3. Do-it-yourself maintenance
26 RADIO115 A Audio system
27 ECU-B 10 ASteering sensor, gauges and
meters, clock, air conditioning sys-
tem, main body ECU, wireless
remote control, smart key system,
power back door, on-board diagno-
sis system
28 DOME 10 AVanity lights, personal lights, inte-
rior light, gauges and meters,
engine switch light, door courtesy
lights, power back door
29 AMP 15 A Audio system
30 TOWING 30 A Trailer lights
31 IG2 25 A INJ NO.1, INJ NO.2
32 STR LOCK 20 A Steering lock system
33 EFI MAIN 25 A EFI NO.2, EFI NO.3
34 HAZ 15 A Turn signal lights
35 G/H 10 APower door lock system, multiplex
communication system
36 ALT-S 7.5 A Charging system
37 AM2 7.5 A Multiplex communication system
38 H-LP LH 15 A Left-hand headlight (high beam)
39 H-LP RH 15 A Right-hand headlight (high beam)
40 H-LP LL 15 A Left-hand headlight (low beam)
41 H-LP RL 15 A Right-hand headlight (low beam)
42 HORN 10 A Horn
43 EFI NO.1 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, smart key system
FuseAmpereCircuit

461
4-3. Do-it-yourself maintenance
4
Maintenance and care
Type B (if equipped)
44 ETCS
10 AMultiport fuel injection system/
sequential multiport fuel injection
system, electronic throttle control
system
45 A/F 20 A Air fuel ratio sensor
46 S-HORN 7.5 A Horn
FuseAmpereCircuit
1 INV-W/P 15 A No circuit
2 IGCT NO.2 7.5 A No circuit
3 A/C-D 10 A No circuit
FuseAmpereCircuit

462 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 15 A Front fog lights
6 OBD 7.5 A On-board diagnosis system
7 FR DEF 25 A Windshield wiper deicer
8 STOP 10 A Stop lights, vehicle stability control
system
9 DOOR NO.2 25 A Power windows
10 AM1 7.5 A Starting system