2007 LEXUS LX470 power steering

267
4-2. Maintenance
4
Maintenance and care
General maintenance
Engine compartment
ItemsCheck points
Battery• Maintenance-free (P. 2 8 8 )
Brake fluid• At the correct level? ( P. 2 8 4 )
Engine coolant• At the correct level? ( P. 2 8 2 )
Engine oil• At the correct level? ( P. 2 7 7 )
Exhaust system• No fumes or strange sounds?
Power steering fluid• At the correct level? (P. 2 8 6 )
Radiator/condenser/hoses • Not blocked with foreign matter?
(P. 2 8 3 )
Suspension fluid• At the correct level? ( P. 2 8 7 )
Wa s h e r f l u i d• At the correct level? ( P. 2 9 1 )
Listed below are the general maintenance items that should be performed
at the intervals specified in the “Warranty and Services Guide/Owner’s
Manual Supplement”. It is recomme nded that any problem you notice
should be brought to the attention of your Lexus dealer or qualified service
shop for advice.

272
4-3. Do-it-yourself maintenance
ItemsPa r t s a n d t o o l s
Engine coolant level (P. 2 8 2 )
• “Toyota Super Long Life Coolant”
or similar high quality ethylene gly-
col based non-silicate, non-amine,
non-nitrite and non-borate coolant
with long-life hybrid organic acid
technology.
For the U.S.A.:
“Toyota Super Long Life Coolant”
is pre-mixed with 50% coolant and
50% deionized water.
For Canada:
“Toyota Super Long Life Coolant”
is pre-mixed with 55% coolant and
45% deionized water.
• Funnel (used only for adding cool-
ant)
Engine oil level ( P. 2 7 7 )
• “Toyota Genuine Motor Oil” or
equivalent
•Rag or paper towel
• Funnel (used only for adding
engine oil)
Power steering fluid ( P. 2 8 6 )
• Automatic transmission fluid
DEXRON®II or III
•Rag or paper towel
• Funnel (used only for adding power
steering fluid)
Radiator and condenser (P. 2 8 3 )

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