power steering LEXUS LX470 2007 User Guide

276
4-3. Do-it-yourself maintenance
Engine compartment
Engine oil filler cap(P. 2 7 8 )
Engine oil level dipstick (P. 277)
Brake fluid reservoir (P. 2 8 4 )
Fuse box ( P. 311)
Battery ( P. 2 8 8 )Washer fluid tank
(P. 2 9 1 )
Condenser ( P. 283)
Radiator ( P. 283)
Engine coolant reservoir (P. 2 8 2 )
Power steering fluid reservoir (P. 2 8 6 )
Suspension fluid reservoir (P. 2 8 7 )

286
4-3. Do-it-yourself maintenance
Power steering fluid■ Fluid level
The fluid level should be within the appropriate range.
Full (when hot)
Add fluid (when hot)
Full (when cold)
Add fluid (when cold)
Hot: Vehicle has been driven arou nd 50 mph (80 km/h) for 20 min-
utes, or slightly longer in frig id 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 typeAutomatic transmission fluid DEXRON® II or III
ItemsRag or paper, Clean funnel (only for adding fluid)
STEP1
STEP2
STEP3
STEP4
STEP5

287
4-3. Do-it-yourself maintenance
4
Maintenance and care
Suspension fluid AHC■ Fluid level
The fluid level should be within the appropriate range.
Full
Add fluid
CAUTION
■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.

318
4-3. Do-it-yourself maintenance
■Passenger’s side instrument panel
FuseAmpereCircuit
1ECU-B210Power door lock system, Power win-
dow
2DIFF20Four-wheel drive system
3WA S H E R15Windshield washer
4RADIO10Audio system
5DOME10Interior lights
6VGRS40Variable gear ratio steering system
7P/ W ( F L )20Po w e r w i n d o w
8P/ W ( R L )20Po w e r w i n d o w
9WIPER25Windshield wiper
10ECU-IG 210Rear air conditioning system
11SEAT HTR15Seat heater
12GAUGE 210Back-up lights
13MET7. 5Gauges and meters
14IGN7. 5
Multiport fuel injection system/
Sequential multiport fuel injection
system
15SECURITY7. 5Theft deterrent system

319
4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
16P/W (RR)20Po w e r w i n d o w
17P/ W ( F R )20Po w e r w i n d o w
18BATT CHARGE30Trailer charging system
19TIL & TEL20Tilt and telescopic steering
20RR A/C30Rear air conditioning system
21RH SEAT30Power seat system
CAUTION
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failing to do so may cause damage, and possibly a fire or injury.
●Never use a fuse of a higher amperage rating than indicated, or use any other
object in place of a fuse.
●Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
This can cause extensive damage or even fire.
●Do not modify fuses or the fuse box.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus
dealer.

5
When trouble arises
329
5-1. Essential information
■Emergency towing procedureThe ignition key must be in the “ACC” or the “ON” (engine running) posi-
tion.
Put the four-wheel drive control lever in “H”. (The center differential is
unlocked.)
Put the vehicle height in the “N” mode and push the height control switch
to turn off the AHC.
Put the shift lever in “N”.
Release the parking brake.
CAUTION
■While towing
●Use extreme caution when towing the vehicle.
Avoid sudden starts or erratic driving maneuvers which place excessive stress on
the emergency towing hook and the cable or chain.
●If the engine is not running, the power assi st for the brakes and steering will not
function, making steering and braking more difficult.
NOTICE
■To prevent causing serious damage to the transmission
Never tow this vehicle wheels on the ground.
STEP1
STEP2
STEP3
STEP4
STEP5

375
6-1. Specifications
6
Vehicle specifications
Chassis lubrication
Steering
Suspension
Wheel bearingsLithium base wheel bearing grease, NLGI
No.2
Steering knucklesMolybdenum-disulfide lithium base chassis
grease, NLGI No.2
Propeller shafts
Spider
Slide yokeLithium base chassis grease, NLGI No.2
Molybdenum-disulfide lithium base chassis
grease, NLGI No.2 or lithium base chassis
grease, NLGI No.2
Free playLess than 1.6 in. (40 mm)
Power steering fluid typeAutomatic transmission fluid DEXRON® II
or III
Fluid typeSuspension fluid AHC

386
6-1. Specifications
Warning: The temperature grades for this tire are established for a tire that
is properly inflated and not overloaded.
Excessive speed, underinflation, or excessive loading, either separately or in
combination, can cause heat buildup and possible tire failure.
Glossary of tire terminology
Tire related termMeaning
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 factory-installed equipment
(whether installed or not)
Cold tire inflation pres-
sure
Tire inflation pressure when the vehicle has been
parked for three hours or more, or has not been
driven more than 1 mile or 1.5 km under that condi-
tion
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipp ed, air conditioning and
additional weight optional engine
Maximum inflation pres-
sureThe maximum cold inflation pressure to which a tire
may be inflated, shown on the sidewall of the tire
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows

400
Alphabetical index
Driver's seat belt reminder light .....340
DrivingBreak-in tips ............................................ 89
Correct posture .................................... 52
Off-road precautions ........................146
Procedures ..............................................88
Winter driving tips.............................. 156
Driving position memory ........................21
Emergency, in case of If the engine will not start ............... 357
If the shift lever cannot be shifted from P ...................................358
If the battery is discharged ...........360
If the warning buzzer sounds ...... 337
If the warning light turns on .......... 337
If you have a flat tire ......................... 346
If you lose your keys.........................359
If you think something is wrong ................................................... 333
If your vehicle becomes stuck.....366
If your vehicle needs to be towed ................................................... 328
If your vehicle overheats ................ 363
Engine Compartment ..................................... 276
Hood........................................................ 275
How to start the engine..................... 95
Identification number.......................369
If the engine will not start ............... 357
Ignition switch......................................... 95
Overheating......................................... 363
Engine coolant Capacity ................................................. 372
Checking ............................................... 282 Preparing and checking
before winter...................................... 156
Engine coolant temperature gauge ...................................................... 104
Engine immobilizer system ..................47
Engine oil Capacity .................................................. 371
Checking................................................ 277
Preparing and checking before winter...................................... 156
Engine oil maintenance data ...........280
Event data recorder ............................ 335
First-aid kit holder ................................ 236
Floor mat .................................................. 234
Fluid Brake ....................................................... 284
Power steering ................................... 286
Suspension ............................................287
Washer..................................................... 291
Fog lights Switch .......................................................... 114
Wattage .................................................. 377
For-wheel drive system........................139
Front fog lights Switch .......................................................... 114
Wattage .................................................. 377
Front passenger's seat belt reminder light ..................................... 340
Front seats Adjustment .................................................12
Driving position memory ....................21
Front side marker light Wattage .................................................. 377
Front turn signal lights Wattage .................................................. 377
E
F

402
Alphabetical index
LightsDoor courtesy lights........................... 212
Fog light switch .......................................114
Headlights switch ..................................112
Interior light switch.............................. 213
Personal light switch .......................... 213
Replacing light bulbs........................ 320
Turn signal lever ...................................102
Vanity lights ...........................................222
Wattage...................................................377
Load capacity .......................................... 155
Maintenance Do-it-yourself maintenance ........... 271
General maintenance ..................... 267
Maintenance data..............................368
Maintenance requirements .......... 265
Meter Instrument panel light control ...... 105
Meters ...................................................... 104
Mirrors Inside rear view mirror......................... 31
Side mirror heater ...............................182
Side mirrors ..............................................32
Vanity mirrors.......................................222
Moon roof .................................................... 41
Odometer................................................. 104
Off-road precautions ........................... 146
Oil Engine oil ................................................277
Opener Fuel filler door......................................... 44
Hood........................................................ 275
Outside rear view mirrors Adjusting and folding ..........................32 Driving position memory ....................21
Outside temperature display .......... 224
Overhead console ................................. 217
Overheating, Engine .......................... 363
Parking brake.......................................... 103
Parking lights Switch .......................................................... 112
Wattage .................................................. 377
Personal lights Personal lights........................................212
Switch ........................................................ 213
Wattage .................................................. 377
Power outlet ........................................... 228
Power quarter windows ....................... 40
Power steering Fluid .......................................................... 286
Power windows ........................................ 37
Radiator .................................................... 283
Radio........................................................... 185
RDS (Radio date system) ................... 186
Rear seat audio system ...................... 209
Rear seats Adjustment .................................................14
Removing third seats............................ 19
Tumbling second seats ....................... 15
Tumbling third seats ..............................17
Rear side marker lights Wattage .................................................. 377
Rear turn signal lights Wattage .................................................. 377
Rear view monitor system ..................123
Rear window defogger ....................... 182
Rear window wiper................................. 118
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