power steering LEXUS LX570 2015 Owner's Manual

7624-3. Do-it-yourself maintenance
LX570_OM_OM60L96U_(U) Battery
Check the battery as follows:
■ 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 re servoir 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 conn ections for leaks or dam-
age.

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

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

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

7994-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L96U_(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 Power seat
26 PWR OUTLET 15 A Power outlet
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 Power seat
31 INVERTER 15 A InverterFuse Ampere Circuit

5
When trouble arises
8215-1. Essential information
LX570_OM_OM60L96U_(U) Emergency towing procedure
Securely attach a cable or chain to the towing hook.
Take care not to damage the vehicle body.
Enter the vehicle being towed and start the engine.
If the engine does not start, turn the “ENGINE START STOP”
switch to IGNITION ON mode.
Shift the four-wheel drive control switch to “H4”. (The center dif-
ferential is unlocked.)
Change the vehicle height to N (standard) mode and press the
height control OFF button to en d the vehicle height operation.
(  P. 320)
Shift the shift lever to N and release the parking brake.
When the shift lever cannot be shifted:  P. 870■
While towing
If the engine is not running, the power assist for the brakes and steering will not
function, making steering and braking more difficult. ■
Wheel nut wrench
Wheel nut wrench is installed in the luggage compartment. (  P. 854)STEP 1
STEP 2
STEP 3
STEP 4
STEP 5

5
When trouble arises
8855-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) CAUTION■
If the engine has to be turned off while driving
Power assist for the brakes and steering wheel will be lost, making the brake pedal
harder to depress and the steering wheel heavier to turn. Decelerate as much as
possible before turning off the engine.

8946-1. Specifications
LX570_OM_OM60L96U_(U) Brakes
* 1
: Minimum pedal clearance when depressed with a force of 110 lbf (490 N, 50
kgf) while the engine is running
* 2
: Parking brake lever travel when pulled up with a force of 45.0 lbf (200 N,
20.4 kgf)
Chassis lubrication
Steering Pedal clearance
* 1
3.6 in. (92 mm) Min.
Pedal free play 0.04  0.24 in. (1.0  6.0 mm)
Brake pad wear limit 0.04 in. (1.0 mm)
Parking brake lining wear limit 0.04 in. (1.0 mm)
Parking brake lever travel
* 2
5  7 clicks
Fluid type SAE J1703 or FMVSS No. 116 DOT 3
Propeller shafts Spider Lithium base chassis grease, NLGI No.2
Slide yoke Molybdenum-disulfide lithium base chassis
grease, NLGI No.2 or Lithium base chassis
grease, NLGI No.2
Free play Less than 1.18 in. (30 mm)
Power steering fluid type Automatic transmission fluid DEXRON ®
II or III

9066-1. Specifications
LX570_OM_OM60L96U_(U) Warning: The temperature grades of a tire assume that it is properly inflated
and not overloaded.
Excessive speed, underinflation, or exce ssive loading, either separately or
in combination, can cause heat bu ildup and possible tire failure.
Glossary of tire terminology Tire related term Meaning
Cold tire inflation
pressure Tire pressure when the vehicle has been parked for
three hours or more, or ha s not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sure The maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressure Cold tire inflation pressure recommended by a manu-
facturer
Accessory weight The combined weight (in excess of those standard
items which may be replaced) of automatic transmis-
sion, power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as f actory-installed equipment
(whether installed or not)
Curb weight The weight of a motor vehi cle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and addi-
tional weight optional engine
Maximum loaded
vehicle weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight 150 lb. (68 kg) times the nu mber of occupants speci-
fied in the second column of Table 1
* that follows
Occupant distribution Distribution of occupants in a vehicle as specified in
the third column of Table 1
* below

941Abbreviation list
LX570_OM_OM60L96U_(U) L Left
LATCH Lower Anchors and Tethers for Children
LED Light Emitting Diode
LO Low
M + S Mud and Snow
MMT Methylcy clopentadienyl Manganese Tricarbonyl
MTBE Methyl Tertiary Butyl Ether
PCS Pre-Collision System
PWR Power
RSCA Roll Sensing of Curtain Shield Airbag
SRS Supplemental Restraint System
TIN Tire Identification Number
TPMS Tire Pressure Monitoring (Warning) System
TRAC Traction Control
TWR Trailer Weight Rating
VGRS Variable Gear Ratio Steering
VIN Vehicle Identification Number
VSC Vehicle Stability ControlABBREVIATIONS MEANING