Page 792 of 956
7904-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) 48 ECU-B1 5 A Smart access system with push-button
start, overhead module, yaw rate & G
sensor, tilt and telescopic steering,
meter, cool box, gateway ECU, steer-
ing sensor, VGRS
49 DOME1 10 A Illuminated entry system, power third
seat switch, power back door switch,
clock
50 HEAD LH 15 A Headlight high beam (left)
51 HEAD LL 15 A Headlight low beam (left)
52 INJ 10 A Injector, ignition system
53 MET 5 A Meter
54 IGN 10 A Circuit open, SRS airbag system,
gateway ECU, smart access system
with push-button start, ABS, VSC,
steering lock system, GBS
55 DRL 5 A Daytime running light
56 HEAD RH 15 A Headlight high beam (right)
57 HEAD RL 15 A Headlight low beam (right)
58 EFI NO.2 7. 5 A Air injection system, air flow meter
59 RR A/C NO.2 7. 5 A No circuit
60 DEF NO.2 5 A Outside rear view mirror defoggers
61 SPARE 5 A Spare fuse
62 SPARE 15 A Spare fuse
63 SPARE 30 A Spare fuseFuse Ampere Circuit
Page 801 of 956
7994-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) Light bulbs You may replace the following bulbs yourself. The difficulty level of replace-
ment varies depending on the bulb. If necessary bulb replacement seems
difficult to perform, contact your Lexus dealer.
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. 890)
■ Remove the engine compartment cover
P. 74 8
■ Front bulb locations Headlight high beamFront turn signal light
Page 808 of 956
8064-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) ■ Lights other than the above
If any of the lights listed below ha s burnt out, have it replaced by your
Lexus dealer.
● Headlight low beams
● Front side marker lights
● Parking lights
● Daytime running lights
● Front fog lights
● Side turn signal lights
● High mounted stoplight
● Stop/tail lights
● Tail lights
● Rear side marker lights
● License plate lights
● Running board light
● Outer foot lights
Page 810 of 956

8084-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) CAUTION■
Replacing light bulbs ●
Turn off the headlights. Do not attempt to replace the bulb immediately after turn-
ing off the headlights.
The bulbs become very hot and may cause burns. ●
Do not touch the glass portion of the li ght bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clean dry cloth to avoid
getting moisture and oils on the bulb.
Also, if the bulb is scratched or dr opped, it may blow out or crack.●
Fully install light bulbs and any parts used to secure them. Failing to do so may
result in heat damage, fire, or water en tering the headlight unit. This may damage
the headlights or cause condensation to build up on the lens. ●
While the low beam headlights are turned
on, and for a short time after they have
been turned off, metal components at the
rear of the headlight assembly will be
extremely hot.
To prevent burns, do not touch these metal
components until you are certain they have
cooled down.Metal components
Page 811 of 956
8094-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) CAUTION■
Discharge headlights ●
Contact your Lexus dealer be fore replacing discharge he adlights (including light
bulbs). ●
Do not touch the high-intensity discharg e headlight’s high voltage socket when
the headlights are turned on.
An extremely high voltage of 30000 V will be discharged and could result in
serious injury or death by electric shock. ●
Do not attempt to take apart or repair the low beam discharge headlight bulbs,
connectors, power supply circuits, or related components.
Doing so could result in electric shock and serious injury or death.■
To prevent damage or fire
Make sure bulbs are fully seated and locked.
Page 894 of 956
8906-1. Specifications
LX570_OM_OM60L21U_(U) Light bulbs
A: D4S high-intensity discharge
B: HB3 halogen bulbs
C: Wedge base bulbs
D: Single end bulbs
E: Double end bulbs Light bulbs Bulb No. W Ty p e
Exterior Headlights
Low beam
High beam
9005 35
60 A
B
Front turn signal lights 74 4 4 N A 28 C
Rear turn signal lights 21 C
Back-up lights 16 C
Running board lights 3.8 C
Outer foot lights 5 C
Interior Front interior light 8 C
Rear interior lights
With rear personal lights
Without rear personal lights 8
8 C
E
Vanity lights 2 D
Door courtesy lights 5 C
Glove box light 1.2 C
Luggage compartment light 5 E