2014 LEXUS LX570 steering

7444-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) Items Pa r t s a n d t o o l s
Engine oil level  P. 74 9 ) • “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel
(used only for adding oil)
Fuses (  P. 7 8 2 ) • Fuse with same amperage rating as
original
Power steering fluid (  P. 7 5 7 ) • Automatic transmission fluid
DEXRON ®
II or III
•Rag or paper towel
• Funnel (used only for adding power
steering fluid)
Light bulbs (  P. 799) • Bulb with same number and
wattage rating as original
• Phillips-head screwdriver
•Flathead screwdriver
•Wrench
Radiator and condenser
(  P. 7 5 4 ) 
Tire inflation pressure (  P. 7 7 1 ) • Tire pressure gauge
• Compressed air source
Wa s h e r f l u i d (  P. 76 1 ) • Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding water
or washer fluid)

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)

7574-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) Power steering fluid
■ Fluid level
The fluid level should be within the appropriate range.
Full (when cold)
Add fluid (when cold)
Full (when hot)
Add fluid (when hot)
Hot: Vehicle has been driven arou nd 50 mph (80 km/h) for 20 min-
utes, or slightly longer in frigid temperatures. (Fluid tempera-
ture, 140  F - 175  F [60  C - 80  C]).
Cold: Engine has not been run for about five hours. (Room tempera-
ture, 50  F - 85  F [10  C - 30  C]).
■ Checking the fluid level
Make sure to check the fluid type and prepare the necessary items.
Clean all dirt off the reservoir.
Remove the cap by turning it counterclockwise.
Wipe the dipstick clean.
Reinstall and remove the reservoir cap again.
Check the fluid level.Fluid type Automatic transmission fluid DEXRON ®
II or III
Items Rag or paper, Clean funnel (only for adding fluid)STEP 1
STEP 2
STEP 3
STEP 4
STEP 5

7584-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) Battery
■ Battery exterior
Make sure that the battery terminals are not corroded and that there
are no loose connections, cracks, or loose clamps.
Terminals
Hold-down clampCAUTION■
When checking the reservoir
Take care, as the reservoir may be hot.
NOTICE■
When adding fluid
Avoid overfilling, or the power steering may be damaged. ■
After replacing the reservoir cap
Check the steering box case, vane pump and hose connections for leaks or dam-
age.

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

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

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

7954-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) 21 RR FOG 7. 5 A No circuit
22 A/C 7. 5 A Air conditioning system
23 AM1 5 A No circuit
24 TI & TE 15 A Tilt and telescopic steering
25 FR P/SEAT RH 30 A Po w e r s e a t
26 PWR OUTLET 15 A Po w e r o u t l e t
27 OBD 7. 5 A On Board Diagnostics
28 PSB 30 A Pre-collision system
29 DR/LCK 25 A Main body ECU
30 FR P/SEAT LH 30 A Po w e r s e a t
31 INVERTER 15 A InverterFuse Ampere Circuit