ECU Lexus ES330 2004 Destination Input and Route Guidance / LEXUS 2004 ES330 (OM33633U) Service Manual

IN CASE OF AN EMERGENCY
324

1 Joint
2When removing the jack, turn the joint by hand
in the contractº direction until the jack is free.
3When storing, turn the joint by hand in the
expandº direction until the jack is firmly secured
to prevent it from flying forward during a collision
or sudden braking.
To remove the spare tire:
1Remove the spare tire cover.
2Loosen the bolt and remove it.
When storing the spare tire, place it with the inner
side of the wheel facing up. Then bolt the tire in place
and install the spare tire cover to prevent the tire from
flying forward during a collision or sudden braking.

IN CASE OF AN EMERGENCY
328
8. Reinstall all the wheel nuts finger tight.
Align the holes in the wheel with the bolts. Then lift
up the wheel and get at least the top bolt started
through its hole. Wiggle the tire and press it back
over the other bolts.
Reinstall the wheel nuts and tighten them as much
as you can by hand. Press the tire back and see
if you can tighten them more.
CAUTION
Never use oil or grease on the bolts or nuts.
Doing so may lead to overtightening the nuts
and damaging the bolts. The nuts may loose
and the wheels may fall off, which could cause
a serious accident. If there is oil or grease on
any bolt or nut, clean it.
9. Lower the vehicle completely and tighten the
wheel nuts.
Turn the jack handle counterclockwise to lower the
vehicle.
Use only the wheel nut wrench to tighten the nuts.
Do not use other tools or any additional leverage other
than your hands, such as a hammer, pipe or your foot.
Make sure the wrench is securely engaged over the
nut.
Tighten each nut a little at a time in the order shown.
Repeat the process until all the nuts are tight.

IN CASE OF AN EMERGENCY
329
CAUTION
When lowering the vehicle, make sure all
portions of your body and all other persons
around will not be injured as the vehicle is
lowered to the ground.
Have the wheel nuts tightened with torque
wrench to 103 N´m (10.5 kgf´m, 76 ft´lbf), as
soon as possible after changing wheels.
Otherwise, the nuts may loosen and the
wheels may fall off, which could cause a
serious accident.
10. After changing the wheel, check the air
pressure of the replaced tire. Stow all the tools,
jack and flat tire securely.
If the pressure of the replaced tire is low, drive slowly
to the nearest service station and fill to the correct
pressure.
Do not forget to reinstall the tire valve cap as dirt and
moisture could get into the valve core and possibly
cause air leakage. If the cap is missing, put a new
one on as soon as possible.
This is the same procedure for changing or rotating
your tires.
CAUTION
Before driving, make sure all the tools, jack and
flat tire are securely in place in their storage
location to reduce the possibility of personal
injury during a collision or sudden braking.

IN CASE OF AN EMERGENCY
338
(d) Emergency towingIf towing is necessary, we recommend you to have it done
by your Lexus dealer or a commercial tow truck service.
If towing service is not available in an emergency, your
vehicle may be temporarily towed by a cable or chain
secured to the emergency towing eyelet. Use extreme
caution when towing the vehicle.
To install the front towing eyelet, see (e) Installing front towing
eyeletº on page 339.
NOTICE
Only use specified towing eyelet; otherwise your
vehicle may be damaged.
Never tow a vehicle from the rear with four wheels on
the ground. This may cause serious damage to the
transmission.

IN CASE OF AN EMERGENCY
339 A driver must be in the vehicle to steer it and operate the
brakes.
Towing in this manner may be done only on hard-surfaced
roads for a short distance and at low speeds. Also, the wheels,
axles, drive train, steering and brakes must all be in good
condition.
CAUTION
Use extreme caution when towing the vehicle. Avoid
sudden starts or erratic driving maneuvers which would
place excessive stress on the emergency towing eyelet
and towing cable or chain. The eyelet and towing cable
or chain may break and cause serious injury or damage.
NOTICE
Use only a cable or chain specifically intended for use
in towing vehicles. Securely fasten the cable or chain
to the towing eyelet provided.
Before towing, release the parking brake and put the
transmission in Nº. The ignition key must be in ACCº (engine
off) or ONº (engine running).
CAUTION
If the engine is not running, the power assist for the
brakes and steering will not work so steering and
braking will be much harder than usual.
(e) Installing front towing eyelet
1. Remove the front towing eyelet cover on the front bumper
using a flat-bladed screwdriver. To protect the bodywork,
place a piece of rag over the cover.

IN CASE OF AN EMERGENCY
340
2. Use the front towing eyelet in the trunk. Secure it to the hole
on the bumper by turning clockwise. (For the eyelet location,
see page 323.)3. Tighten the front towing eyelet securely by a wheel nut
wrench.
CAUTION
When installing the eyelet on the vehicle, be sure to
tighten the front eyelet securely. If the eyelet is loose,
it may come off when being towed and result in death or
serious injury.

MAINTENANCE
346Battery
Check the battery condition by the indicator color. See page
421 for additional information.
Brake fluid level
Make sure the brake fluid level is correct. See page 385 for
additional information.
Engine oil level
Check the level on the dipstick with the engine turned off and
the vehicle parked on a level spot. See page 370 for additional
information.
Power steering fluid level
Check the level through the reservoir. The level should be in
the HOTº or COLDº range depending on the fluid
temperature. See page 387 for additional information.
Exhaust system
If you notice any change in the sound of the exhaust or smell
exhaust fumes, have the cause located and corrected
immediately. (See Engine exhaust cautionº on page 266.)
Vehicle interior
Items listed below should be checked regularly, e.g. while
performing periodic services, cleaning the vehicle, etc.
Lights
Make sure the headlight, stop lights, tail lights, turn signal
lights, and other lights are working. Check headlight aim.
Service reminder indicators and warning buzzers
Check that all service reminder indicators and warning buzzers
function properly.
Steering wheel
Check that it has the specified freeplay. Be alert for changes
in steering condition, such as hard steering, excessive freeplay
or strange noise.
Seats
Check that all front seat controls such as seat adjusters,
seatback recliner, etc. operate smoothly. Check that the head
restraints move up and down smoothly and that the locks hold
securely in any latched position.
Seat belts
Check that the seat belt system such as buckles, retractors
and anchors operate properly and smoothly. Make sure the
belt webbing is not cut, frayed, worn or damaged.

MAINTENANCE
347 Accelerator pedal
Check the pedal for smooth operation and uneven pedal effort
or catching.
Brake pedal
Check the pedal for smooth operation and the proper
clearance and freeplay. Check the brake booster function.
Brakes
At a safe place, check that the brakes do not pull to one side
when applied.
Parking brake
Check that the pedal has the proper travel and that, on a safe
incline, your vehicle is held securely with only the parking brake
applied.
Automatic transmission Parkº mechanism
On a safe incline, check that your vehicle is held securely with
the selector lever in Pº position and all brakes released.
Vehicle exterior
Items listed below should be performed from time to time,
unless otherwise specified.
Wheel nuts
When checking the tires, make sure to check the nuts for
looseness. Tighten them if necessary.Fluid leaks
Check underneath for leaking fuel, oil, water or other fluid after
the vehicle has been parked for a while. If you smell fuel fumes
or notice any leak, have the cause found and corrected
immediately.
Doors and engine hood
Check that all doors, including trunk lid, operate smoothly and
all latches lock securely. Make sure the engine hood
secondary latch secures the hood when the primary latch is
released.
Tire inflation pressure
Check the tire inflation pressure with a gauge every
two weeks, or at least once a month and adjust as
shown on the tire and loading information label. See
page 389 for additional information.
Tire surface
Check the tires carefully for cuts, damage or
excessive wear. See page 402 for additional
information.
Tire rotation
Rotate the tires according to the maintenance
schedule. (For scheduled maintenance information,
please refer to the Owner's Manual
Supplement/Scheduled Maintenanceº.) See page 401
for additional information.

ELECTRICAL COMPONENTS
414
13D.C.C30All components in ECU-Bº,
RAD NO.1º and DOMEº fuses
14IG210
Multiport fuel injection
system/sequential multiport
fuel injection system, SRS
airbag system, front seat belt
pretensioners, cruise control
system
15ST5Starting system
16ADJ PDL30Power adjustable pedals
17CDS30Electric cooling fan

ELECTRICAL COMPONENTS
416
No.FUSEAMPERECIRCUIT
26ALT120
All components in DEFº, PWR
NO.1º, PWR NO.2º, PWR
NO.3º, PWR NO.4º, STOPº,
DOOR NO.2º, OBDº, PWR
SEATº, FUEL OPENº, FOGº,
AMPº, PANELº, TAILº,
AM1º, CIGº, POWER
POINTº, RAD NO.2º,
ECU- ACCº, GAUGE1º,
GAUGE2º, ECU- IGº,
WIPERº, WASHERº, HTR
(10 A)º, SEAT HTRº and
SUN- SHADEº fuses
27SPARE15Spare fuse
28A/C10No circuit
29DRL5Daytime running light system
30HEAD RH
LW R15Right- hand headlight (low
beam)
31HEAD LH
LW R15Left- hand headlight (low
beam) and front fog lights