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384
4-3. Do-it-yourself maintenance
Engine compartment
Battery (P. 393)
Engine oil level dipstick (P. 386)
Engine oil filler cap (P. 386)
Brake fluid reservoir (P. 391)
Fuse boxes ( P. 4 1 9 )Washer fluid tank
(P. 396)
Electric cooling fans
Condenser ( P. 391)
Radiator ( P. 391)
Engine coolant reservoir (P. 389)
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419
4-3. Do-it-yourself maintenance
4
Maintenance and care
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 to OFF.
Engine compartment (type B): Remove the engine compart-
ment cover. ( P. 385)
Open the fuse box cover.
Engine compartment (type A)
Push the tabs in and lift the lid
off.
Engine compartment (type B) Push the tabs in and lift the lid
off.STEP1
STEP2
STEP3
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4-3. Do-it-yourself maintenance
4
Maintenance and care
Check if the fuse has blown.
Type A
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 BNormal 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 CNormal fuse
Blown fuse
Contact your Lexus dealer.
STEP6
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4-3. Do-it-yourself maintenance
4
Maintenance and care
9ACC7. 5 A
Clock, air conditioning system, audio
system, navigation system, display,
outside rear view mirrors, smart
access system with push-button start,
glove box light, console box light,
safety connect
10CIG15 ACigarette lighter
11PWR OUTLET15 APo w e r o u t l e t
12RR DOOR RH20 APo w e r w i n d o w s
13FR DOOR RH20 APower windows, outside rear view
mirrors
14AM27. 5 ASmart access system with push-button
start
15RH-IG7. 5 A
Seat belts, intuitive parking assist,
automatic transmission, seat heaters,
windshield wiper de-icer
16FR S/HTR RH15 ASeat heaters
17ECU-IG RH10 A
Power seats, smart access system with
push-button start, outside rear view
mirrors, VDIM, air conditioning sys-
tem, pre-collision seat belt, electric tilt
and telescopic steering, power win-
dows, navigation system, headlights,
front fog lights, parking lights, license
plate lights, windshield washer
FuseAmpereCircuit
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4-3. Do-it-yourself maintenance
■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. 4 3 5 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
■If there is an overload in the circuits
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.
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 the fuses or the fuse box.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer.
Page 557 of 568

557
Alphabetical index
FuelCapacity.................................................505
Fuel gauge .............................................. 146
Fuel pump shut off system ............ 450
Gas station information .................568
Information.............................................. 513
Refueling ................................................... 80
Fuel door..................................................... 80
Fuel filler door........................................... 80
Fuel pump shut off system ................ 450
Fuses............................................................ 419
Garage door opener.......................... 348
Gas station information ..................... 568
Gauges....................................................... 146
Glove box ................................................324
Glove box light.......................................324
Hands-free system for mobile phone ..................................................... 288
Hazard lights Switch .......................................................442
Head restraints Adjusting ..................................................57
Headlight aim ........................................ 433 Headlight cleaner .................................. 165
Headlights
Discharge headlight precautions........................................439
Replacing light bulbs ........................435
Switch........................................................ 158
Wattage ................................................... 512
Heaters Seat heaters ......................................... 338
Side mirrors ........................................... 218
Hill-start assist control ......................... 187
Hood ........................................................... 381
Hooks Cargo ......................................................345
Coat..........................................................343
Shopping bag ......................................345
Horn ............................................................ 145
I/M test...................................................... 377
Identification Engine..................................................... 503
Vehicle ................................................... 503
Ignition switch.......................................... 130
Illuminated entry system ..................... 319
Indicator lights......................................... 150
G
HI