2010 Lexus GX460 fuse box

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GX460_U.S.A. (OM60E69U)
3-6. Using the storage featuresList of storage fe atures................ 515
• Glove box ..................................... 516
• Console box ................................. 517
• Coin holder................................... 519
• Bottle holders/ 
door pockets .............................. 520
• Cup holders................................. 522
• Auxiliary boxes........................... 525
3-7. Other interior features Cool box ......................................... 528
Sun visors.......................................... 531
Vanity mirror .................................. 532
Clock ................................................ 533
Conversation mirror ................... 534
Power outlet (12 V DC) .................................... 535
Power outlet  (120 V AC [type A]) ................ 537
Power outlet  (120 V AC [type B]) ................ 542
Heated steering wheel............... 549
Seat heaters and 
ventilators ...................................... 551
Armrest ............................................ 554
Coat hooks .................................... 555
Floor mats........................................ 556
Luggage compartment 
features.......................................... 557
Garage door opener.................. 567
Compass.......................................... 575
Safety Connect ............................ 580 4-1. Maintenance and care
Cleaning and protecting 
the vehicle exterior.................. 588
Cleaning and protecting 
the vehicle interior .................... 592
4-2. Maintenance Maintenance requirements.............................. 595
General maintenance ................ 597
Emission inspection and 
maintenance (I/M) 
programs ....................................... 601
4-3. Do-it-yourself maintenance Do-it-yourself service 
precautions .................................. 602
Hood ................................................. 607
Engine compartment................. 608
Tires ................................................... 627
Tire inflation pressure................. 634
Wheels ............................................ 638
Air conditioning filter.................. 640
Electronic key battery ................ 642
Checking and replacing 
fuses ................................................ 645
Headlight aim (vehicles with low 
beam halogen bulbs) ............. 658
Light bulbs ....................................... 660
4Maintenance and care

608
4-3. Do-it-yourself maintenance
GX460_U.S.A. (OM60E69U)
Engine compartment
Engine coolant reservoir
( P. 615)
Engine oil level dipstick 
( P. 610)
Engine oil filler cap 
( P. 611)
Brake fluid reservoir 
( P. 6 1 8 )Fuse box ( P. 645)
Battery ( P. 622)
Radiator ( P. 617)
Condenser ( P. 617)
Electric cooling fan
Washer fluid tank ( P. 6 2 6 )
Power steering fluid reservoir 
( P. 6 2 0 )

645
4-3. Do-it-yourself maintenance
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Maintenance and care
GX460_U.S.A. (OM60E69U)
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 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.
After a system failure, see “Fuse la yout and amperage ratings”
( P. 648) for details about which fuse to check.
Remove the fuse with the pull-out tool.STEP1
STEP2
STEP3
STEP4

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4-3. Do-it-yourself maintenance
GX460_U.S.A. (OM60E69U)
Only type A fuse can be
removed using the pullout 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 BNormal fuse
Blown fuse
Contact your Lexus dealer.
STEP5

652
4-3. Do-it-yourself maintenance
GX460_U.S.A. (OM60E69U)
51ECU-B10 A
Body ECU, meter, heater, steering
sensor, wireless remote control, seat
position memory, tilt and telescopic
steering, multi display, Smart access
system with push button start, folding
seat, cool box, DSS#2 ECU, steering
switch, D-module switch, overhead
module
52WSH FR NO.27. 5 ADSS#1 ECU
53H-LP RH-LO15 AHeadlight low beam (right), headlight
leveling system
54H-LP LH-LO15 AHeadlight low beam (left), headlight
leveling system
55INJ10 ACoil, injector, ignition, noise filter
56EFI NO.210 A
O2 SSR, AFM, ACIS VSV, AI
COMB, KEY OFF PUMP, EYP VSV,
EGR VALVE, CANISTER VSV, AI
VSV RLY, AI PUMP HTR RLY
57WIP FR NO.27. 5 ADSS#1 ECU
58WSH RR15 ARear window washer
59SPARESpare fuse
60SPARESpare fuse
61SPARESpare fuse
FuseAmpereCircuit

655
4-3. Do-it-yourself maintenance
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Maintenance and care
GX460_U.S.A. (OM60E69U)
19ECU-IG NO.210 A
Rear window defogger, outside rear
view mirror memory, seat heater/ ven-
tilator switch, inverter relay, air condi-
tioning system, EC mirror, Body ECU,
exhaust gas sensor, parking assist sen-
sor, navigation system, DSS#2 ECU,
meter switch, accessory meter, folding
seat ECU, O/H IG, head light cleaner,
rear air conditioning system, deicer,
4.2-in. display, D-module, rain sensor,
air suspension, RR VLV ECU, steering
heater, LKA
20S/HTR FR20 ASeat heater and ventilator
21P/ S E AT F R30 AFront power seat (right)
22DOOR P30 A
Front power window (passenger’s
side), outside rear view mirror mem-
ory
23DOOR10 APo w e r w i n d o w
24DOOR D25 AFront power window (driver’s side)
25DOOR RR25 ARear power window (right)
26S/ROOF25 AMoon roof
27WIP30 AWindshield wipers and washer
28WA S H E R20 AWindshield wipers and washer, rear
window wipers and washer
29COOLING10 ACool box
FuseAmpereCircuit

656
4-3. Do-it-yourself maintenance
GX460_U.S.A. (OM60E69U)
30IGN10 A
EFI ECU, C/OPN RLY, VSC ECU, air
bag ECU, smart entry & start system,
steering lock ECU, CAN gateway
ECU
31GAUGE7. 5 AMeter
32PA N E L7. 5 A
Emergency flasher switch, seat heater
switch, 4WD switch, center differen-
tial lock switch, rear differential lock
switch, air suspension, VSC off switch,
interior light switch, glove box light,
shift position indicator light, audio sys-
tem, navigation system, steering
switch, parking assist system switch,
headlight leveling switch, headlight
cleaner switch, folding seat switch,
outside rear view mirror switch,
ODO/TRIP switch
33TA I L10 A
Front position lights, tail lights, license
plate lights, EFI ECU, rear fog lights,
towing, front fog lights
FuseAmpereCircuit

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4-3. Do-it-yourself maintenance
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Maintenance and care
GX460_U.S.A. (OM60E69U)
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. ( P. 6 6 0 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
■If there is an overload in a circuit
The fuses are designed to blow before the entire wiring harness is damaged.
CAUTION
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure 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 as soon as possible.