checking lexus LS400 2000 Engine / LEXUS 2000 LS400 (OM50533U) Owner's Guide

ELECTRICAL COMPONENTS
455
If electrolyte gets on your skin, thoroughly
wash the contacted area. If you feel a pain or
burn, get medical attention immediately.
 If electrolyte gets on your clothes, there is a
possibility of its soaking through to your skin,
so immediately take off the exposed clothing
and follow the procedure above, if necessary.
 If you accidentally swallow electrolyte, drink a
large quantity of water or milk. Follow with milk
of magnesia, beaten raw egg or vegetable oil.
Then go immediately for emergency help.Checking battery exterior
64L009

ELECTRICAL COMPONENTS
456

1Terminals 2Hold±down clamp
Check the battery for corroded or loose
connections, cracks, or loose hold±down clamps.
1. If the battery is corroded, wash it off with a solution of
warm water and baking soda. Coat the terminals with
grease to prevent further corrosion.
2. If the connections are loose, tighten the clamp bolts
± but do not overtighten.
3. Tighten the hold±down clamp only enough to keep
the battery firmly in place. Overtightening may damage
the battery case.NOTICE
Make sure the engine and all accessories are
turned off before performing maintenance.
When checking the battery, remove the ground
cable first and reinstall it last.
Be careful not to cause a short circuit with tools.
Take care no solution gets into the batterywhen washing it.

ELECTRICAL COMPONENTS
457
Checking battery fluid
Checking by hydrometer
64L010
Check the battery condition by the hydrometer
color.
1BLUE ± Good condition.
2WHITE ± Charging necessary. Have the battery
checked by your Lexus dealer.
3RED ± Have the battery checked by your Lexus
dealer.
NOTICE
Do not refill the battery with water.
BATTERY RECHARGING
PRECAUTIONS
During recharging, the battery is producing
hydrogen gas.
Therefore, before recharging:
1. If recharging with the battery installed on the vehicle,
be sure to disconnect the ground cable.
2. Make sure the power switch on the recharger is off
when connecting the charger cables to the battery and
when disconnecting them.

ELECTRICAL COMPONENTS
458
CAUTION
Always charge the battery in an unconfined area. Do
not charge the battery in a garage or closed room
where there is not sufficient ventilation.
 Only do a slow charge (5 A or less). Charging at a
quicker rate is dangerous. The battery may explode
causing personal injuries.
NOTICE
Never recharge the battery while the engine is
running. Also, make sure all accessories areturned off.
CHECKING AND REPLACING THE BLADE TYPE FUSES

ELECTRICAL COMPONENTS
463
CHECKING THE CARTRIDGETYPE FUSES
64L016-3

1Good 2Melted
If the headlights or other electrical components do
not work and the blade type fuses are O.K., check
the cartridge type fuses. If any of the cartridge type
fuses are blown, they must be replaced.
If there is an overload in the circuits from the battery, the
fuses are designed to blow before the entire wiring
harness is damaged.

ELECTRICAL COMPONENTS
465
If the washer tank becomes nearly empty, add
washer fluid.
You may use plain water as washer fluid. However, in
cold areas where temperatures range below the
freezing point, use washer fluid containing antifreeze.
This product is available at your Lexus dealer and most
auto parts stores. Follow the manufacturer's directions
for how much to mix with water.
NOTICE
Do not use engine antifreeze or any other
substitute because it may damage your vehicle'spaint.
CHECKING THE HEADLIGHT AIM
(Vehicles with discharge headlight
only)

ELECTRICAL COMPONENTS
466
64L073a

1Vertical movement adjusting bolt 1
2Vertical movement adjusting bolt 2
Before checking the headlight aim:
1. Be sure that the body around the headlight is not
deformed.
2. Park the vehicle on a level spot.
3. The driver gets into the driver's seat and puts the
vehicle in a state readying for a driving (with a full tank).
4. Bounce the vehicle several times.
Adjusting the vertical aiming