Page 795 of 960
7934-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) 30 ABS1 50 A ABS
31 ABS2 30 A ABS
32 ST 30 A Starter system
33 IMB 7.5 A ID code box, smart access system
with push-button start, GBS
34 AM2 5 A Main body ECU
35 DOME2 7.5 A Vanity lights, overhead module, rear
interior light
36 ECU-B2 5 A Driving position memory system,
power back door ECU, power third
seat
37 AMP 2 30 A Audio system
38 RSE 7.5 A Rear seat entertainment
39 TOWING 30 A Towing
40 DOOR NO.2 25 A Main body ECU
41 STR LOCK 20 A Steering lock system
42 TURN-HAZ 15 A Meter, front turn signal lights, side
turn signal lights, rear turn signal
lights, trailer
43 EFI MAIN2 20 A Fuel pump
44 ETCS 10 A Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
45 ALT-S 5 A IC-ALT
46 AMP 1 30 A Audio system
47 RAD NO.1 10 A Navigation system, audio system,
parking assist systemFuse Ampere Circuit
Page 796 of 960
7944-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(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 lights
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 798 of 960
7964-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) ■ Driver’s side instrument panel
Fuse Ampere Circuit
1 CIG 15 A Cigarette lighter
2 BK/UP LP 10 A Back-up lights, trailer
3 ACC 7.5 A Audio system, parking assist system,
multi-display assembly, main body
ECU, mirror ECU, satellite radio,
smart access system with push-but-
ton start
Page 799 of 960

7974-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) 4 PANEL 10 A Ashtray, brake controller, cigarette
lighter, cool box, center differential
lock, driving mode switches, multi-
information display, air conditioning
system, glove box light, audio system,
emergency flashers, headlight cleaner
switch, driving position memory but-
tons, outside rear view mirror
switches, overhead module, roll sens-
ing of curtain shield airbags off switch,
rear heater panel, shift lever switch,
power back door main switch, camera
switch, VSC OFF switch, steering
switch, console switch, instrument
panel light control
5 ECU-IG No.2 10 A Air conditioning system, rear heater
panel, overhead module, ABS, VSC,
steering sensor, yaw rate & G sensor,
main body ECU, stoplights, moon
roof, anti-glare inside rear view mirror
6 WINCH 5 A No circuit
7 A/C IG 10 A Cool box, condenser fan, cooler com-
pressor, rear window and outside rear
view mirror defoggers, smog sensor
8 TAIL 15 A Tail lights, license plate lights, front fog
lights, parking lights, side marker
lightsFuse Ampere Circuit
Page 803 of 960
8014-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) Fuse Ampere Circuit
11 SEAT-A/C FAN 10 A Ventilators
12 SEAT-HTR 20 A Seat heaters
13 AFS 5 A Adaptive Front-lighting System
14 ECU-IG No.3 5 A Adaptive Front-lighting System,
dynamic radar cruise control system
15 STRG HTR 10 A Heated steering wheel
16 TV 10 A Multi-display assembly■
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. 803)●
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, protec ting the wiring harness from damage.
Page 806 of 960
8044-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) ■ Rear bulb locations Rear turn signal lightBack-up lights
Page 808 of 960
8064-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) Replace the light bulb, and install
the bulb base. Align the 3 tabs on the light bulb
with the mounting, and insert.
Turn and secure the bulb base. Shake the bulb base gently to
check that it is not loose, turn the
headlights on once and visually
confirm that no light is leaking
through the mounting.
When installing the cover, conduct in reverse. STEP 4
STEP 5
STEP 6 STEP 1
Page 809 of 960
8074-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(U) ■ Front turn signal lights
Turn the bulb base counterclock-
wise.
Remove the light bulb.
When installing, reverse the steps listed. STEP 1
STEP 2
STEP 3