LEXUS LX470 2007 Owners Manual

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Check if the fuse has blown.
Type A (blade type fuse)
Normal fuse
Blown fuse
Replace it with one of an appro-
priate amperage rating. The
amperage rating can be found
on the fuse box lid.
Type B (cartridge type fuse)Normal fuse
Blown fuse
Replace it with one of an appro-
priate amperage rating. The
amperage rating can be found
on the fuse box lid.
STEP6

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4-3. Do-it-yourself maintenance
Fuse layout and amperage ratings■ Engine compartment
FuseAmpereCircuit
1ABS NO.240Anti-lock brake system
2ABS NO.150Anti-lock brake system
3AHC50Active height control suspension
(AHC)
4WIP-S7. 5No circuit
5TOW I N G30Trailer lights
6MIR HTR15Outside rear view mirror defogger
7RR HTR10Rear air conditioning system
8HAZ-TRN15Emergency flashers, Turn signal lights

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4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
9ALT-S7. 5Charging system
10NV-IR20Lexus night view system
11FR FOG15Fog lights
12TOWING BRK30Trailer lights
13HEAD CLNER20Headlight cleaner
14FR-IG10Charging system
15PA N E L7. 5Instrument panel light
16TOW I N G TA I L30Trailer lights
17TA I L15Parking lights, Tail lights
18BAT30All components in “ECU-B2”
19TEL7. 5Lexus Link System
20AMP30Audio system
21EFI or ECD No.125
Multiport fuel injection system/
Sequential multiport fuel injection
system
22AM215All components in “IGN”
23ETCS10
Multiport fuel injection system/
Sequential multiport fuel injection
system
24HORN10Horns
25HEAD
(RH-LWR)10Right-hand headlight (low beam)
26HEAD (LH-LWR)10Left-hand headlight (low beam)
27HEAD (RH-UPR)20Right-hand headlight (high beam)
28HEAD (LH-UPR)20Left-hand headlight (high beam)

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4-3. Do-it-yourself maintenance
■Driver’s side instrument panel
FuseAmpereCircuit
29AIR PUMP50
Multiport fuel injection system/
Sequential multiport fuel injection
system
30A/F HTR15
Multiport fuel injection system/
Sequential multiport fuel injection
system
FuseAmpereCircuit
1PWR OUTLET15Po w e r o u t l e t s
2CIG15Cigarette lighter
3ACC7. 5Instrument panel light
4AM17. 5
Multiport fuel injection system/
Sequential multiport fuel injection
system
5DEFOG20Rear window defogger
6AHC-B15Active height control suspension
(AHC)
7FUEL HTR20Fuel heater
8POWER HTR7. 5Po w e r h e a t e r

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4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
9AHC-IG20Active height control suspension
(AHC)
10EFI or ECD No.210Emission control system
11GAUGE 110Gauges and meters
12ECU-IG 110
Multiport fuel injection system/
Sequential multiport fuel injection
system
13ECU-B110Navigation system
14DBL LOCK15Double lock system
15A/C15Air conditioning system
16STOP15Stop lights
17OBD-27. 5On-board diagnosis system
18IDLE UP7. 5Idle-up system
19LH SEAT30Power seat system
20DOOR25Power door lock system, Power win-
dows
21SUN ROOF25Electronic moon roof
22RR WIPER15Rear wiper system

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4-3. Do-it-yourself maintenance
■Passenger’s side instrument panel
FuseAmpereCircuit
1ECU-B210Power door lock system, Power win-
dow
2DIFF20Four-wheel drive system
3WA S H E R15Windshield washer
4RADIO10Audio system
5DOME10Interior lights
6VGRS40Variable gear ratio steering system
7P/ W ( F L )20Po w e r w i n d o w
8P/ W ( R L )20Po w e r w i n d o w
9WIPER25Windshield wiper
10ECU-IG 210Rear air conditioning system
11SEAT HTR15Seat heater
12GAUGE 210Back-up lights
13MET7. 5Gauges and meters
14IGN7. 5
Multiport fuel injection system/
Sequential multiport fuel injection
system
15SECURITY7. 5Theft deterrent system

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4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
16P/W (RR)20Po w e r w i n d o w
17P/ W ( F R )20Po w e r w i n d o w
18BATT CHARGE30Trailer charging system
19TIL & TEL20Tilt and telescopic steering
20RR A/C30Rear air conditioning system
21RH SEAT30Power seat system
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 Lexus 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 Lexus
dealer.

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4-3. Do-it-yourself maintenance
Light bulbs
You may replace the following bulbs yourself. For more information about
replacing other light bulbs, contact your Lexus dealer.
■Prepare a replacement light bulb.
Check the wattage of the light bulb being replaced. ( P. 377)
■ Front bulb locations
■ Rear bulb locations
Headlight low beam
Headlight high beam
License plate lights

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4-3. Do-it-yourself maintenance
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Maintenance and care
Replacing light bulbs■ Headlight high beam
Turn the bulb base counterclock-
wise.
Unplug the connector while
depressing the lock release.
STEP1
STEP2

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4-3. Do-it-yourself maintenance
■Headlight low beam
Turn the cover counterclockwise.
Unplug the connector.
Release the wire clip and remove
the light bulb.
STEP1
STEP2
STEP3