Page 749 of 956
7474-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) Engine compartment
Power steering fluid reservoir
( P. 7 5 7 )
Engine oil level dipstick
( P. 74 9 )
Engine oil filler cap
( P. 750)
Brake fluid reservoir
( P. 755) Fuse box ( P. 7 8 2 )
Washer fluid tank ( P. 76 1 )
Battery ( P. 7 5 8 )
Cooling fans
Condenser ( P. 7 5 4 )
Radiator ( P. 7 5 4 )
Engine coolant reservoir
( P. 753)
Page 784 of 956
7824-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) Checking and replacing fuses If any of the electrical components do not operate, a fuse may have blown.
If this happens, check and re place the fuses as necessary.
Turn the “ENGINE START STOP” switch OFF.
Remove the engine compartment cover
P. 74 8
The fuses are located in the following places. To check the
fuses, follow the instructions below.
Engine compartm ent (fuse box on the left side)
Push the tab in and lift the lid off.
Engine compartm ent (fuse box on the right side)
Push the tabs in and lift the lid
off.STEP 1
STEP 2
STEP 3
Page 787 of 956
7854-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) Check if the fuse has blown.
Type A and B
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.STEP 6
Ty p e A
Ty p e B
Page 789 of 956
7874-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) Fuse layout and amperage ratings
■ Engine compartment (fuse box on the left side)
Fuse Ampere Circuit
1 A/F 15 A A/F heater
2 HORN 10 A Horn
3 EFI MAIN 25 A Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, A/F heater, fuel pump
4 IG2 MAIN 30 A INJ, IGN, MET
5 RR A/C 50 A Blower controller
6 CDS FAN 25 A Condenser fan
7 RR S/HTR 20 A Rear seat heater
8 FR FOG 15 A Front fog lights
9 STOP 15 A Stoplights, high mounted stoplight,
brake controller, ABS, VSC, main
body ECU, Multiport fuel injection
system/sequential multiport fuel injec-
tion system, trailer
Page 791 of 956
7894-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(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 TOW I N G 30 A To w i n g
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 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 793 of 956
7914-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) ■ Engine compartment (fuse box on the right side)
Fuse Ampere Circuit
1 HWD1 30 A No circuit
2 TOW BRK 30 A Brake controller
3 RR P/SEAT 30 A Power second seat
4 PWR HTR 7. 5 A No circuit
5 DEICER 20 A Windshield wiper de-icer
6 ALT-CDS 10 A ALT-CDS
7 SECURITY 5 A SECURITY
8 SEAT A/C RH 25 A Seat heaters and ventilators
9 AI PMP HTR 10 A AI pump heater
10 TOW TA I L 30 A Towing tail light system
11 HWD2 30 A No circuit
Page 795 of 956

7934-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) 4 PA N E L 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
switches, 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 TA I L 15 A Tail lights, license plate lights, front fog
lights, parking lights, side marker
lightsFuse Ampere Circuit