Page 505 of 652
505
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
Remove the fuse with the pull-
out tool.
Check if the fuse has blown.
Ty p e A
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
rating can be found on the fuse
box lid.
Ty p e B
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
rating can be found on the fuse
box lid.
STEP5
STEP6
RX350_270_EE_48D77E.book 505 ページ 2014年1月24日 金曜日 午前10時4分
Page 506 of 652
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4-3. Do-it-yourself maintenance
RX350/270_EE
Ty p e C
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
rating can be found on the fuse
box lid.
Ty p e D
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
rating can be found on the fuse
box lid.
Ty p e E
Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amperage
rating can be found on the fuse
box lid.
RX350_270_EE_48D77E.book 506 ページ 2014年1月24日 金曜日 午前10時4分
Page 507 of 652
507
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
Fuse layout and amperage ratings
■Engine compartment
FuseAmpereCircuit
1RDI FAN NO. 180 AElectric cooling fans
2RR DEF50 ARear window defogger
3AIR SUS50 AElectronically modulated air suspen-
sion
4HEATER50 AAir conditioning system
5SPARE30 A
6SPARE40 A
7ABS NO. 230 AVehicle stability control
8H-LP CLN30 AHeadlight cleaner
9PBD30 APower back door
10ST30 AStarter system
11PD50 A
A/F, H-LP RH HI, H-LP LH LO, H-LP
RH LO, H-LP LH HI, HORN, S-
HORN, EFI MAIN NO. 2
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508
4-3. Do-it-yourself maintenance
RX350/270_EE
12ABS NO. 150 AVehicle stability control
13EPS60 AElectric power steering system
14ALT140 A
IG1 MAIN, TOWING BATT,
DEICER, TOWING, STOP, RDI FAN
NO. 1, FILTER, RR DEF, AIR SUS,
HEATER, ABS NO. 2, H-LP CLN,
PBD, ECU-IG1 NO. 1, ECU-IG1 NO.
3, GAUGE NO. 1, ECU-IG1 NO. 2,
E P S , F R W I P, R R W I P, F R WA S H , R R
WASH, RH S-HTR, LH S-HTR, TAIL,
PANEL, D/L ALT B, FR FOG, FR
DOOR, FL DOOR, RR DOOR, RL
DOOR, PSB, P-SEAT LH, P-SEAT
RH, TI&TE, FUEL OPN, DR LOCK,
OBD, RR FOG, S/ROOF, 4WD,
INVERTER, ECU-ACC, P/POINT,
CIG, RADIO NO. 2
15AMP130 AAudio system
16EFI MAIN30 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, electronic controlled transmis-
sion, EFI NO. 1, EFI NO. 2, F/PMP
17AMP230 AAudio system
18IG2 MAIN30 AIGN, GAUGE NO. 2, ECU IG 2
19IP J/B25 APow e r d o o r l o c k s y s t e m
20STR LOCK20 AStarter system
21RAD NO. 315 AMeters and gauges, navigation sys-
tem, audio system
22HAZ15 AEmergency flashers
FuseAmpereCircuit
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509
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
23ETCS10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
24RAD NO. 110 AAudio system, navigation system
25AM27. 5 AStarter system
26ECU-B NO. 27. 5 A
Air conditioning system, audio system,
vehicle stability control system, power
windows
27MAYDAY/TEL7. 5 AMAYDAY/TEL
28IMMOBI7. 5 AIMMOBI
29ALT-S7. 5 ACharging system
30DRL7. 5 ADaytime running light system
31IGN10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
32DOME10 A
Vanity mirror lights, luggage compart-
ment lights, interior lights, personal
lights, door courtesy lights, footwell
lights, scuff lights
33ECU-B NO. 110 A
Tilt and telescopic steering, multiplex
communication system, meters and
gauges, driving position memory,
power seats, power back door, head-
up display, outside rear view mirror,
steering sensor
34EFI NO. 110 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, electronic controlled transmis-
sion
FuseAmpereCircuit
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510
4-3. Do-it-yourself maintenance
RX350/270_EE
35A/F*110 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
WIP-S*27. 5 ACruise control
36ECU-IG1 NO. 410 A
Adaptive front-lighting system, air
conditioning system, rear window
defogger, vehicle stability control sys-
tem, electric cooling fans
37BK/UP LP7. 5 ABack-up lights
38ECU-IG1 NO. 515 AAir conditioning system
39ECU-IG1 NO. 610 A
Adaptive front-lighting system, head
light cleaner, cruise control, electroni-
cally modulated air suspension, vehi-
cle stability control, air conditioning
system
40EFI NO. 210 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
41F/ P M P*215 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
42DEICER25 AWindshield wipers and washer
43STOP7. 5 A
Vehicle stability control, vehicle
dynamics integrated management,
stop lights, electronic controlled
transmission, multiport fuel injection
system/sequential multiport fuel injec-
tion system, shift lock control system,
starter system
44TOW IN G BAT T20 ATr a i l e r b a t t e r y
FuseAmpereCircuit
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Page 511 of 652
511
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
*1:RX270
*2:RX350
45TOW IN G30 ATr a i l e r l i g h t s
46FILTER10 A
47IG1 MAIN30 AECU-IG1 NO. 6, BK/UP LP, ECU-
IG1 NO. 5, ECU-IG1 NO. 4
48H-LP RH HI15 ARight-hand headlight (high beam)
49H-LP LH HI15 ALeft-hand headlight (high beam)
50BIXENON10 A
51H-LP RH LO15 ARight-hand headlight (low beam),
manual headlight leveling system
52H-LP LH LO15 ALeft-hand headlight (low beam)
53HORN10 AHorn
54
EFI MAIN
NO. 2
*120 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
A/F*2
55S-HORN7. 5 AS-HORN
FuseAmpereCircuit
RX350_270_EE_48D77E.book 511 ページ 2014年1月24日 金曜日 午前10時4分
Page 512 of 652
512
4-3. Do-it-yourself maintenance
RX350/270_EE■Driver’s side instrument panel
FuseAmpereCircuit
1P/ P O I N T15 APow e r o u t l e t
2ECU-ACC10 A
Navigation system, air conditioning
system, audio system, multiplex com-
munication system, multi-information
display, head-up display
3CIG15 APow e r o u t l e t
4RADIO NO. 27. 5 AAudio system, navigation system
5GAUGE NO. 110 A
Emergency flashers, navigation sys-
tem, head-up display, air conditioning
system, charging system
6ECU-IG1 NO. 310 A
Outside rear view mirror, windshield
wipers and washer, seat heaters,
moon roof, air conditioning system
RX350_270_EE_48D77E.book 512 ページ 2014年1月24日 金曜日 午前10時4分