1999 Lexus LS400 warning light

STARTING AND DRIVING
318This light comes on when the ignition key is turned
to the ºONº position. After about a few seconds, the
light will go off.
If either of the following conditions occurs, this indicates
a malfunction somewhere in the parts monitored by the
warning light system. Contact your Lexus dealer as
soon as possible to service the vehicle.

The light does not come on as described above, or
remains on.
 The light comes on while driving.
Even if the anti±lock brake system should fail, the brake
system will still operate conventionally. But when the
ºABSº warning light is on (and the brake system warning
light is off), anti±lock brake system is not assisting brake
performance so that the wheels could lock up during a
sudden brake or braking on slippery road surfaces.
Have your vehicle checked by your Lexus dealer as
soon as possible.
Drum±in±disc type parking brake system
Your vehicle has a drum±in±disc type parking brake
system. This type of brake system needs
bedding±down of the brake shoes periodically or
whenever the parking brake shoes and/or drums are
replaced.
Have your Lexus dealer perform the bedding±down.

MAINTENANCE
382
Vehicle interior
Items listed below should be checked regularly, e.g.
while performing periodic services, cleaning the
vehicle, etc.
Lights
Make sure the headlights, 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.
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.

CHASSIS
431
REPLACING WHEELS
When to replace your wheels
If you have wheel damage such as bending, cracks
or heavy corrosion, the wheel should be replaced.
If you fail to replace damaged wheels, a tire may slip off
a wheel or they may cause loss of handling control.
Replacement with used wheels is not recommended as
they may have been subjected to rough treatment or
high mileage and could fail without warning. Also, bent
wheels which have been straightened may have hidden
structural damage and therefore should not be used.
Never use an inner tube in a leaking wheel which is
designed for a tubeless tire.
Wheel selection
When replacing wheels, care should be taken to
ensure that they are equivalent to those removed in
load capacity, diameter, rim width, and offset.
Correct replacement wheels are available at your Lexus
dealer.
A wheel of a different size or type may adversely affect
handling, wheel and bearing life, brake cooling,
speedometer/odometer calibration, stopping ability,
headlight aim, bumper height, vehicle ground clearance,
and tire or snow chain clearance to the body and
chassis.
ALUMINUM WHEEL PRECAUTIONS
 After driving your vehicle the first 1600 km (1000
miles), check that the wheel nuts are tight.
 If you have rotated, repaired, or changed your tires,
check that the wheel nuts are still tight after driving
1600 km (1000 miles).
 When using tire chains, be careful not to damage the
aluminum wheels.
 Use only the Lexus wheel nuts and wrench designed
for your aluminum wheels.
 When balancing your wheels, use only Lexus
balance weights or equivalent and a plastic or rubber
hammer.
 As with any wheel, periodically check your aluminum
wheels for damage. If damaged, replace
immediately.

ELECTRICAL COMPONENTS
439
No.FUSEAMPERECIRCUIT
1 TURN7.5Turn signal lights
2 WIPER20Windshield wipers
3 HEATER10
Air conditioning system,
Rear window defogger,
Multiport fuel injection
system/sequential multiport fuel
injection system
4 FR FOG15Fog lights
5 ECU±IG10Power steering control system,
Charging system,
Vehicle skid control system
6 PWR±IG15
Automatic headlight leveling
system, Moon roof,
Headlight cleaner,
Power seat switch,
Tilt and telescopic steering,
Shift lock system
7 GAUGE10
Gauges and meters, service
reminder indicators and
warning buzzers,
Back±up lights,
Vehicle skid control system,
Multiport fuel injection
system/sequential multiport fuel
injection system, Automatic
transmission system
8 IGN10SRS, Multiport fuel injection
system/sequential multiport fuel
injection system