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413
4−3. Do−it−yourself maintenance
4
Maintenance and care
Checking and replacing fuses
If any of the electrical componen ts do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Turn the “ENGINE START STOP” switch off.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid
off.
Driver ’s side instrument panel
Remove the lid.
STEP1
STEP 2
ITY43C073
ITY43C032
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414 4−3. Do−it−yourself maintenance
Passenger ’s side instrument panel
Remove the cover.
Remove the lid.
After a system failure, see “Fuse layout and amperage rat−
ings” (
P. 417) for details about which fuse to check.
Remove the fuse with the pull−
out tool.
ITY43C033
ITY43C034
STEP3
ITY42C027
STEP4
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415
4−3. Do−it−yourself maintenance
4
Maintenance and care
Check if the fuse has blown.
Type A and 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.
STEP5
12
ITY42C012
Type A
12
ITY42C013
Type B
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416 4−3. Do−it−yourself maintenance
Type C and D
Normal fuse
Blown fuse
Contact your Toyota dealer.12
ITY42C014
Type C
12
ITY42C015
Type D
Page 412 of 531
417
4−3. Do−it−yourself maintenance
4
Maintenance and care
Fuse layout and amperage ratings
n
Engine compartment
FuseAmpere Circuit
1 A/F15 A
A/F heater
2 HORN10 A
Horn
3 EFI MAIN25 A
EFI, A/F heater
4 IG2 MAIN30 A
Injector, ignition, meter
5 RR A/C50 A
No circuit
6 SEAT−A/C LH25 A
No circuit
7 RR S/HTR20 A
Rear seat heater
8 DEICER20 A
Windshield wiper de−icer
9 CDS FAN25 A
Condenser fan
10 TOW TAIL30 A
Towing tail
11 RR P/SEAT30 A
No circuit
12 ALT−CDS10 A
Alternator condenser
13 FR FOG15 A
Front fog lights
14 SECURITY5 A
Security horn
15 SEAT−A/C RH25 A
No circuit
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418 4−3. Do−it−yourself maintenance
16 STOP15 AStoplights, high mounted stop−
light, brake controller, towing
converter, ABS, VSC, main
body ECU, EFI
17 TOW BRK30 A
Brake controler
18 RR AUTO A/C50 A
Rear blower control
19 PTC−150 A
PTC heater
20 PTC−250 A
PTC heater
21 PTC−350 A
PTC heater
22 RH−J/B40 A
No circuit
23 SUB BATT40 A
To w i n g
24 VGRS40 A
No circuit
25 H−LP CLN30 A
Headlight cleaner
26 DEFOG30 A
Rear window defogger
27 AHC60 A
No circuit
28 HTR50 A
Blower controller
29 PBD30 A
No circuit
30 LH−J/B150 A
Main body ECU
31 ALT180 A
No circuit
32 A/PUMP NO.150 A
AI DRIVER
33 A/PUMP NO.250 A
AI DRIVER2
34 MAIN40 AHeadlight, daytime running
light system
35 ABS150 A
ABS
36 ABS230 A
ABS
37 ST30 A
Starter system
38 IMB7.5 AID code box, smart key sys−
tem, GBS
39 AM25 A
Main body ECU
40 DOME27.5 A
Vanity lights, overhead module
FuseAmpereCircuit
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419
4−3. Do−it−yourself maintenance
4
Maintenance and care
41 ECU−B25 ADriving position memory sys−
tem
42 TEL5 A
No circuit
43 RSE7.5 A
Rear seat entertainment
44 TOWING30 A
To w i n g
45 DOOR NO.225 A
Main body ECU
46 STR LOCK20 A
Steering lock system
47 TURN−HAZ15 AMeter, front turn signal lights,
rear turn signal lights, towing
converter
48 EFI MAIN220 A
Fuel pump
49 ETCS10 A
EFI
50 ALT−S5 A
IC−ALT
51 AMP30 A
Audio system
52 RAD NO.110 ANavigation system, radio
receiver assembly
53 ECU−B15 Asmart key system, overhead
module, tilt and telescopic
steering, meter, cool box, gate−
way ECU, steering sensor
54 DOME15 A
Door courtesy lights, clock
55 HEAD LH15 A
Headlight high beam (left)
56 HEAD LL15 A
Headlight low beam (left)
57 INJ10 A
Injector, ignition
58 MET5 A
Meter
59 IGN10 ACircuit open, SRS airbag sys−
tem, gateway ECU, occupant
detection system, smart key
system, ABS, VSC, steering
lock system, GBS
60 HEAD RH15 A
Headlight high beam (right)
FuseAmpereCircuit
Page 415 of 531
420 4−3. Do−it−yourself maintenance
61 HEAD RL15 A
Headlight low beam (right)
62 EFI NO.27.5 AAFM, EVP VSV, 02 SSR, KEY
OFF PMP, AI DRIVER, AI EX
VSV, ACIS VSV
63 RR A/C NO.27.5 A
No circuit
64 DEF NO.25 A
Outside rear view mirror heater
FuseAmpereCircuit