2019 Lexus GX460 fuses

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GX460_OM_OM60Q84U_(U)
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6-1. Maintenance and care Cleaning and protecting the vehicle exterior ................ 444
Cleaning and protecting the vehicle interior.................. 447
6-2. Maintenance Maintenance requirements ............................ 450
General mainte nance.............. 453
Emission inspection and maintenance (I/M)
programs.................................... 456
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 457
Hood ............................................... 460
Engine compartment .................461
Tires ................................................. 474
Tire inflation pressure ............... 481
Wheels ........................................... 485
Air conditioning filter ............... 487
Electronic key battery.............. 489
Checking and replacing fuses................................................491
Headlight aim .............................. 494
Light bulbs .................................... 496 7-1. Essential information
Emergency flashers ..................508
If your vehicle has to be stopped in
an emergency .......................... 509
7-2. Steps to take in an emergency If your vehicle needs to be towed ................................ 510
If you think something is wrong.............................................516
Fuel pump shut off system........ 517
If a warning light turns on or a warning buzzer
sounds .......................................... 518
If a warning message is displayed .................................... 526
If you have a flat tire .................. 540
If the engine will not start ........ 554
If the electronic key does not operate properly ............. 556
If the vehicle battery is discharged................................. 559
If your vehicle overheats......... 562
If the vehicle becomes stuck ............................................. 565
6Maintenance and care7When trouble arises

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GX460_OM_OM60Q84U_(U)
6Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehicle exterior ................ 444
Cleaning and protecting the vehicle interior.................. 447
6-2. Maintenance Maintenance requirements ............................450
General maintenance.............. 453
Emission inspection and maintenance (I/M)
programs .................................... 456
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 457
Hood ...............................................460
Engine compartment ................ 461
Tires ................................................. 474
Tire inflation pressure................ 481
Wheels ...........................................485
Air conditioning filter ............... 487
Electronic key battery ..............489
Checking and replacing fuses ............................................... 491
Headlight aim .............................. 494
Light bulbs..................................... 496

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GX460_OM_OM60Q84U_(U)6-3. Do-it-yourself maintenance
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Maintenance and care
Do-it-yourself service precautions
If you perform maintenance yourself, be sure to follow the correct procedures
as given in these sections.
ItemsParts and tools
Battery condition
(
 P. 470)•Warm water• Baking soda•Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
( P. 467)
• FMVSS No.116 DOT 3 or SAE J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine coolant level
( P. 465)
• “Toyota Super Long Life Coolant” or similar high quality eth-
ylene glycol based non-silicate, non-amine, non-nitrite and
non-borate coolant with long-l ife hybrid organic acid tech-
nology.
For the U.S.A.:
“Toyota Super Long Life Coolan t” is pre-mixed with 50 %
coolant and 50 % deionized water.
For Canada:
“Toyota Super Long Life Coolant” is pre-mixed with 55 %
coolant and 45 % deionized water.
• Funnel (used only for adding coolant)
Engine oil level
(  P. 463)
• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses
( P. 491)• Fuse with same amperage rating as original

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GX460_OM_OM60Q84U_(U)6-3. Do-it-yourself maintenance
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Maintenance and care
Checking and replacing fuses
Turn the engine switch off.
Open the fuse box cover.
Remove the fuse with the pull-out tool.
Only type A fuse can be removed using
the pull-out tool.
If any of the electrical components do not operate, a fuse may have blown. If
this happens, check and repl ace the fuses as necessary.
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Engine compartmentDriver’s side instrument panel
Push the tab in and lift the lid off. Remove the lid.
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GX460_OM_OM60Q84U_(U)
4936-3. Do-it-yourself maintenance
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Maintenance and care
■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. 496)
●If the replaced fuse blows again, have th e vehicle inspected by your Lexus dealer.
■If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
CAUTION
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to th e vehicle, and possibly a fire or injury.
●Never use a fuse of a higher amperage rati ng 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 wi re, even as a temporary fix.
●Do not modify the fuses or the fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload dete rmined and repaired by your Lexus dealer,
as soon as possible.

628Alphabetical index
GX460_OM_OM60Q84U_(U)
Fuel ............................................................. 570Capacity ................................................ 570
Fuel gauge ................................................ 87
Fuel pump shut off system.............. 517
Information ........................................... 578
Refueling................................................. 225
Type ............................................. 225, 570
Warning light ...................................... 520
Fuel consumption information ........... 96
Fuel filler door ........................................ 225 Refueling................................................. 225
Fuel gauge .................................................. 87
Fuel pump shut off system...................517
Fuses ............................................................491
Garage door opener .......................... 437
Gauges ........................................................ 87
Glass hatch ................................................ 114
Glove box ................................................. 410
Hands-free system (for cellular phone)
*
Head restraints ........................................144
Headlights ............................................... 206 Light switch .......................................... 206
Replacing light bulbs ....................... 498
Wattage .................................................. 577
Headlights cleaner............................... 224
Heaters Automatic air conditioning system .................................... 390, 400
Seat heaters ......................................... 404
Outside rear view mirrors ............ 395 Height control ......................................... 341
Hill-start assist control ....................... 356
Hood ......................................................... 460
Hooks
Cargo hooks ...............................416, 417
Coat hooks ........................................... 432
Retaining hooks (floor mat)............. 26
Horn............................................................. 147
I/M test ..................................................... 456
Identification Engine ..................................................... 570
Vehicle ....................................................569
Ignition switch (engine switch) ......... 193
Ignition switch light .............................. 406
Illuminated entry system ................... 408
Immobilizer system ................................. 77
Indicators .................................................... 82
Initialization Moon roof .............................................. 158
Power windows................................... 155
Inside rear view mirror......................... 149
Instrument panel light control ............ 88
Interior lights .......................................... 406 Switch ...................................................... 407
Wattage ................................................. 577
Jack Vehicle-equipped jack .....................541
Jack handle ............................................. 544
Jam protection function Moon roof .............................................. 158
Power windows................................... 155
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631Alphabetical index
GX460_OM_OM60Q84U_(U)
Power outlet ............................................427
Power windows .......................................154Jam protection function ................... 155
Operation ............................................... 154
Window lock switch.......................... 154
Pre-Collision System (PCS) ............ 372 Function .................................................. 372
PCS OFF switch ................................ 373
Warning light ........................................ 519
Radiator .................................................... 467
Radio
*
Rear seat ................................................... 128 Adjustment ............................................. 128
Rear turn signal lights ......................... 204 Replacing light bulbs ......................... 501
Turn signal lever .................................204
Wattage .................................................. 577
Rear view mirror Inside rear view mirror ..................... 149
Outside rear view mirrors ................ 151
Rear view monitor system ................ 258
Rear window defogger ...................... 395
Rear window wiper.............................. 222
Refueling .................................................. 225 Capacity ................................................ 570
Fuel types .................................. 225, 570
Opening the fuel tank cap............. 227 Replacing
Electronic key battery .....................489
Fuses ..........................................................491
Light bulbs............................................. 496
Tires ..........................................................540
Wireless remote control battery ..................................................489
Reporting safety defects for U.S. owners .................................. 606
Reset the maintenance data .............. 451
Safety connect........................................... 72
Seat belts .................................................... 30 Adjusting the seat belt.......................... 31
Automatic Locking Retractor .........32
Child restraint system installation ............................................. 59
Cleaning and maintaining the seat belt ....................................... 448
Emergency Locking Retractor.................................................32
How to wear your seat belt............. 30
How your child should wear the seat belt ...........................................32
Pregnant women, proper seat belt use......................... 33
Reminder light and buzzer ...........520
Seat belt pretensioners........................ 31
Seat belt extender .................................32
SRS warning light ............................... 518
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*: For vehicles with a navigation system or a multimedia system, refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or“MULTIMEDIA OWNER’S MANUAL”.