Content   ..  6  7  8  9   ..

Toyota Supra (1998 year). Instruction - part 8

SUPRA (U)

Leave the system on during ordinary

MANUAL SNOW OPERATION

driving so that it can operate when

You can select the snow mode by push-

needed. When traction control is ap-

ing the

”SNOW” switch. The

”SNOW”

plied, the slip indicator light blinks. If

indicator light will come on.

your vehicle still skids even though

To select the automatic mode, push the

traction control is applied, more power-

”OFF” switch. The

”SNOW” indicator

ful traction control is applied and the

light will go off. If your vehicle still

”SNOW” indicator light comes on.

skids, the system automatically oper-

You may hear a slight clicking noise in

ates.

the engine compartment when the engine

MANUAL TRACTION CONTROL OFF OP-

is started. This means that the traction

ERATION

control system is in the self−check mode,

and does not indicate malfunction. When

You can turn off the traction control

the traction control system is operating,

system by pushing the

”OFF” switch.

you may feel vibration of your vehicle,

The ”TRAC OFF” indicator/warning light

caused by operation of the brakes. This

will come on. Pushing the ”OFF” switch

indicates the system is functioning proper-

a second time turns on the traction

ly.

control system and the

”TRAC OFF”

indicator/warning light will go off.

When getting the vehicle out of mud or

new snow, etc. the traction control system

If the

”SNOW” indicator light is on,

will help operate to prevent the wheels

pushing the ”OFF” switch once selects

from spinning.

the outomatic mode and pushing it a

second time turns off the traction con-

trol system.

105

SUPRA (U)

Floor mat

CAUTION

Under certain slippery road condi-

tions, full traction of the vehicle and

power to the rear wheels cannot be

maintained, even though the traction

control system is in operation. Do not

drive the vehicle under any speed or

maneuvering conditions which will

cause the vehicle to lose traction. In

situations where the road surface is

covered with ice or snow, your ve-

hicle should be fitted with snow tires

or tire chains. Always drive at an ap-

Use a floor mat of the correct size.

propriate and cautions pace.

CAUTION

If the floor mat has a hole, then it is

designed for use with a locking clip. Fix

Make sure the floor mat is properly

the floor mat and locking clip into the hole

placed on the floor carpet. If the floor

in the floor carpet.

mat slips and interferes with the

movement of the pedals during driv-

ing, it may cause an accident.

106

SUPRA (U)

Break−in period

Fuel

Part 2

Drive gently and avoid high speeds.

FUEL TYPE

INFORMATION

Your vehicle does not need an elaborate

Your new vehicle must use only un-

break−in. But following a few simple tips

leaded gasoline.

BEFORE DRIVING

for the first

1600 km (1000 miles) can add

To help prevent gas station mixups, your

YOUR TOYOTA

to the future economy and long life of

Toyota has a new smaller fuel tank open-

your vehicle:

ing. The special nozzle on pumps with

D Break−in period

D Do not drive over 88 km/h (55 mph).

unleaded fuel will fit it, but the larger

standard nozzle on pumps with leaded gas

D Do not run the engine over 4000 rpm.

D Fuel

will not.

Maintain engine speed between

2000

D Operation in foreign countries

and 4000 rpm.

At a minimum, the gasoline you use

should meet the specifications of ASTM

D Three−way catalytic converters

D Avoid full−throttle starts.

D4814 in the U.S.A. and CGSB 3.5−M93

D Try to avoid hard stops during the first

D Engine exhaust cautions

in Canada.

300 km (200 miles).

D Facts about engine oil

D Do not drive slowly with the manual

NOTICE

consumption

transmission in a high gear.

Do not use leaded gasoline. Use of

D Twin ground electrode

D Do not drive for a long time at any

leaded gasoline will cause the three−

platinum−tipped spark plugs

single speed, either fast or slow.

way catalytic converter to lose its ef-

fectiveness and the emission control

D Brake system

system to function improperly. Also,

this can increase maintenance costs.

D Brake pad wear limit indicators

D Luggage stowage precautions

D Limited−slip differential

D Your Toyota’s identification

D Theft prevention labels

D Suspension and chassis

D Types of tires

108

SUPRA (U)

Operation in foreign countries

Three−way catalytic converters

If you plan to drive your Toyota in

NOTICE

another country...

z Do not use gasohol other than

First, comply with the vehicle registration

stated above. It will cause fuel sys-

laws.

tem damage or vehicle performance

Second, confirm the availability of the cor-

problems.

rect fuel

(unleaded and minimum octane

z If driveability problems occur

(poor

number).

hot starting, vaporizing, engine

knock, etc.), discontinue the use.

z Take care not to spill gasohol dur-

ing refueling. Gasohol may cause

paint damage.

FUEL TANK CAPACITY

70 L (18.5 gal.,

15.4 Imp. gal.)

110

SUPRA (U)

The Three−way catalytic converter is an

z Do not drive with an extremely low

z To ensure that the three−way cata-

emission control device installed in the

fuel level; running out of fuel could

lytic converter and the entire emis-

exhaust system.

cause the engine to misfire, creat-

sion control system operate proper-

Its purpose is to reduce pollutants in the

ing an excessive load on the three−

ly, your vehicle must receive the

exhaust gas.

way catalytic converter.

periodic inspections required by the

Toyota Maintenance Schedule. For

z Do not allow the engine to run at

CAUTION

scheduled maintenance information,

idle speed for more than

20 min-

refer to the separate

”Owner’s

utes.

D Keep people and combustible mate-

Manual

Supplement/Maintenance

rials away from the exhaust pipe

z Avoid racing the engine.

Schedule”.

while the engine is running. The

z Do not push−start or pull−start your

exhaust gas is very hot.

vehicle.

D Do not drive, idle or park your ve-

z Do not turn off the ignition while

hicle over anything that might burn

the vehicle is moving.

easily such as grass, leaves, paper

z Keep your engine in good running

or rags.

order. Malfunctions in the engine

electrical system, electronic ignition

system/distributor ignition system

NOTICE

or fuel system could cause an ex-

A large amount of unburned gases

tremely high three−way catalytic

flowing into the three−way catalytic

converter temperature.

converter may cause it to overheat

z If the engine becomes difficult to

and create a fire hazard. To prevent

start or stalls frequently, take your

this and other damage, observe the

vehicle in for a check−up as soon

following precautions:

as possible. Remember, your Toyota

z Use only unleaded gasoline.

dealer knows your vehicle and its

three−way catalytic converter sys-

tem best.

111

SUPRA (U)

Facts about engine oil

Engine exhaust cautions

consumption

FUNCTIONS OF ENGINE OIL

CAUTION

D Keep the back door closed while

Engine oil has the primary functions of

driving. An open or unsealed back

lubricating and cooling the inside of the

D Avoid inhaling the engine exhaust.

door may cause exhaust gases to

engine, and plays a major role in main-

It contains carbon monoxide, which

be drawn into the vehicle. If you

taining the engine in proper working order.

is a colorless and odorless gas. It

must drive with the back door open

can cause unconsciousness or even

to accommodate a large object,

ENGINE OIL CONSUMPTION

death.

close the windows, open all the

It is normal that an engine should con-

D Make sure the exhaust system has

instrument panel vents and have

sume some engine oil during normal

the heating or cooling system deliv-

no holes or loose connections. The

engine operation. The causes of oil

er fresh air into the vehicle by turn-

system should be checked from

consumption in a normal engine are as

time to time. If you hit something,

ing the fan to high speed with the

follows.

air intake control button in the

or notice a change in the sound of

D Oil is used to lubricate pistons, piston

OUTSIDE AIR mode.

the exhaust, have the system

rings and cylinders. A thin film of oil

checked immediately.

D To allow proper operation of your

is left on the cylinder wall when a pis-

vehicle’s ventilation system, keep

D Do not run the engine in a garage

ton moves downwards in the cylinder.

or enclosed area except for the

the inlet grilles in front of the wind-

High negative pressure generated when

shield clear of snow, leaves, or oth-

time needed to drive the vehicle in

the vehicle is decelerating sucks some

er obstructions.

or out. The exhaust gases cannot

of this oil into the combustion chamber.

escape, making this a particularly

D If you smell exhaust fumes in the

This oil as well as some part of the oil

dangerous situation.

vehicle, drive with the windows

film left on the cylinder wall is burned

open and the back door closed.

by the high temperature combustion

D Do not remain for a long time in a

Have the cause immediately located

gases during the combustion process.

parked vehicle with the engine run-

and corrected.

ning. If it is unavoidable, however,

do so only in an unconfined area

and adjust the heating or cooling

system to force outside air into the

vehicle.

112

SUPRA (U)

Twin ground electrode

platinum−tipped spark plugs

(2JZ−GE engine)

D Oil is also used to lubricate the stems

The diluting ingredients evaporate out

of the intake valves. Some of this oil

when the vehicle is then driven at high

is sucked into the combustion chamber

speeds, as on an expressway, making it

together with the intake air and is

appear that oil is excessively consumed

burned along with the fuel. High tem-

after driving at high speeds.

perature exhaust gases also burn the

IMPORTANCE OF ENGINE OIL LEVEL

oil used to lubricate the exhaust valve

CHECK

stems.

One of the most important points in prop-

The amount of engine oil consumed de-

er vehicle maintenance is to keep the en-

pends on the viscosity of the oil, the

gine oil at the optimum level so that oil

quality of the oil and the conditions the

function will not be impaired. Therefore, it

vehicle is driven under.

is essential that the oil level be checked

More oil is consumed by high−speed driv-

regularly. Toyota recommends that the oil

ing and frequent acceleration and decel-

level be checked every time you refuel

Your engine is fitted with twin ground

eration.

the vehicle.

electrode platinum−tipped spark plugs.

A new engine consumes more oil, since

NOTICE

its pistons, piston rings and cylinder walls

NOTICE

have not become conditioned.

Failure to check the oil level regularly

Use only twin ground electrode plati-

When judging the amount of oil con-

could lead to serious engine trouble

num−tipped spark plugs for your en-

sumption, note that the oil may become

due to insufficient oil.

gine performance.

diluted and make it difficult to judge

the true level accurately.

For detailed information on oil level check,

As an example, if a vehicle is used for

see

”Checking the engine oil level” in

repeated short trips, and consumes a nor-

Chapter 7−2.

mal amount of oil, the dipstick may not

show any drop in the oil level at all, even

after

1000 km (600 miles) or more. This

is because the oil is gradually becoming

diluted with fuel or moisture, making it

appear that the oil level has not changed.

113

SUPRA (U)

Brake system

TANDEM MASTER CYLINDER BRAKE

You may hear a sound in the engine

SYSTEM

CAUTION

compartment for a few seconds when the

engine is started or just after the vehicle

The tandem master cylinder brake system

D Do not pump the brake pedal if the

is started. This means that the anti−lock

is a hydraulic system with two separate

engine stalls. Each push on the

brake system is in the self check mode,

sub−systems. If either sub−system should

pedal uses up your vacuum reserve.

and does not indicate a malfunction.

fail, the other will still work. However, the

D Even if the power assist is com-

pedal will be harder to press, and your

Effective way to press the

”ABS” brake

pletely lost, the brakes will still

stopping distance will be longer. Also, the

pedal:

work. But you will have to push the

brake system warning light may come on.

When the anti−lock brake system func-

pedal hard-much harder than nor-

tion is in action, you may feel the brake

mal. And your braking distance will

CAUTION

pedal pulsating and hear a noise. In this

be longer.

situation, to let the anti−lock brake sys-

Do not drive your vehicle with only a

tem work for you, just hold the brake

single brake system. Have your

ANTI−LOCK BRAKE SYSTEM

pedal down more firmly. Do not pump

brakes fixed immediately.

the brake. This will result in reduced

The anti−lock brake system is designed to

automatically help prevent lock−up of the

braking performance.

BRAKE BOOSTER

wheels during sudden braking or braking

The brake pedal pulsation caused by the

on slippery road surfaces. This assists in

The brake booster uses engine vacuum to

anti−lock brake system may indicate haz-

providing directional stability and steering

power−assist the brakes. If the engine

ardous road surface conditions. Although

performance of the vehicle under these

should quit while you are driving, you can

the anti−lock brake system assists in pro-

circumstances.

bring the vehicle to a stop with normal

viding vehicle control, it is still important

pedal pressure. There is enough reserve

The anti−lock brake system becomes op-

to drive with all due care, because the

vacuum for one or two stops-but no more!

erative after the vehicle has accelerated

anti−lock brake system cannot overcome

to a speed in excess of approximately 10

the laws of physics that act on your ve-

km/h (6 mph). It stops operating when the

hicle:

vehicle decelerates to a speed below

D Braking capability is dependent on tire

approximately

5 km/h (3 mph).

friction with the road surface.

114

SUPRA (U)

D Even though the anti−lock brake sys-

Even if the anti−lock brake system should

tem is operating, a driver cannot main-

fail, the brake system will still operate

tain full control on certain slippery road

conventionally. However, when the

”ABS”

surfaces, when cornering at high

warning light is on (and the brake system

speeds, or in violent maneuvers.

warning light is off), the anti−lock brake

system is not assisting brake performance

D Avoid high speeds on wet roads. The

so that the wheels can lock−up during

anti−lock brake system cannot elimi-

sudden braking or braking on slippery

nate the risk of hydroplaning and loss

road surfaces. Have your vehicle checked

of tire friction.

by your Toyota dealer as soon as pos-

Always maintain a safe distance from the

sible.

vehicle in front of you. Compared with

DRUM−IN−DISC TYPE PARKING BRAKE

vehicles not fitted with an anti−lock brake

SYSTEM

system, your vehicle may require a longer

stopping distance in the following cases:

Your vehicle has a drum−in−disc type

”ABS” warning light

parking brake system. This type of brake

D Driving on rough, gravel or snow−cov-

This light comes on when the ignition key

system needs bedding−down of the brake

ered roads.

is turned to the ”ON” position. After a few

shoes periodically or whenever the parking

D Driving with tire chains installed.

seconds, the light will go off.

brake shoes and/or drums are replaced.

D Driving on roads where the road sur-

If either of the following conditions occurs,

Have your Toyota dealer perform the bed-

face is pitted or has other differences

this indicates a malfunction somewhere in

ding−down.

in surface height.

the parts monitored by the warning light

system. Contact your Toyota dealer as

soon as possible to service the vehicle.

D The light does not come on as de-

scribed above, or remains on.

D The light comes on while driving.

115

SUPRA (U)

Brake pad wear limit indicators

Luggage stowage precautions

When stowing luggage or cargo in or on

the vehicle, observe the following:

D Do not place anything on the lug-

gage cover. Such items may be

D Put luggage or cargo in the luggage

thrown about and possibly injure

compartment when at all possible. Be

people in the vehicle during sudden

sure all items are secured in place.

braking or an accident.

D Be careful to keep the vehicle bal-

D Do not drive with objects left on

anced. Locating the weight as far for-

top of the instrument panel. They

ward as possible helps maintain bal-

may interfere with the driver’s field

ance.

of view. Or they may move during

D For better fuel economy, do not carry

sharp vehicle acceleration or turn-

unneeded weight.

ing, and impair the driver’s control

of the vehicle. In an accident they

CAUTION

may injure the vehicle occupants.

The brake pad wear limit indicators on

your disc brakes give a warning noise

D To prevent luggage or packages

when the brake pads are worn to where

from sliding forward during braking,

NOTICE

replacement is required.

do not stack anything in the lug-

z Do not load the vehicle beyond the

gage compartment higher than the

If you hear a squealing or scraping noise

vehicle capacity weight specified in

seatbacks. Keep luggage or pack-

while driving, have the brake pads

Part 8.

ages low, as close to the floor as

checked and replaced by your Toyota

possible.

z If using a roof luggage carrier on

dealer as soon as possible. Expensive ro-

sport roofs, avoid prolonged driving

tor damage can result if the pads are not

D Never allow anyone to ride in the

on rough roads with heavy items on

replaced when necessary.

luggage compartment. It is not de-

the roof luggage carrier.

signed for passengers. They should

ride in their seats with their seat

belts properly fastened. Otherwise,

they are much more likely to suffer

serious bodily injury, in the event

of sudden braking or a collision.

116

SUPRA (U)

Limited−slip differential

Your Toyota’s identification

Some Toyotas are equipped with a lim-

ited−slip differential. If one rear wheel be-

gins to spin, the limited−slip differential is

designed to aid traction by automatically

transmitting driving force to the other rear

wheel. If you are not sure whether your

vehicle is equipped with one, you can ask

your Toyota dealer.

CAUTION

Do not start or run the engine while

your vehicle is supported by a jack.

The vehicle could be driven off the

jack and could pose a danger or re-

The vehicle identification number

(VIN)

sult in serious injury.

is the legal identifier for your vehicle.

This number is on the left top of the

instrument panel, and can be seen

NOTICE

through the windshield from outside.

Use only a spare tire of the same

The vehicle identification number

(VIN) is

size, construction and load capacity

also on the Certification Label.

as the original tires on your Toyota

This is the primary identification number

because damage to the limited−slip

for your Toyota. It is used in registering

differential could possibly occur with

the ownership of your vehicle.

another tire type.

117

SUPRA (U)

Theft prevention labels

Suspension and chassis

Your new vehicle carries theft preven-

tion labels which are approximately

56

CAUTION

mm (2.20 in.) by 16 mm (0.63 in.).

Do not modify the suspension/chassis

The purpose of these labels is to reduce

with lift kits, spacers, springs, etc. It

the incidence of vehicle thefts by facilitat-

can cause dangerous handling charac-

ing the tracing and recovery of parts from

teristics resulting in loss of control.

stolen vehicles. The label is designed so

that once it is applied to a surface, any

attempt to remove it will result in destroy-

ing the integrity of the label. Transferring

these labels intact from one part to anoth-

er, will be impossible.

NOTICE

The engine number is stamped on the

engine block as shown.

You should not attempt to remove the

theft prevention labels as it may vio-

late certain state or federal laws.

118

SUPRA (U)

Types of tires

Determine what kind of tires your ve-

hicle is originally equipped with.

CAUTION

1. Summer tires

D Do not mix summer and all season

Summer tires are high−speed capability

tires on your vehicle as this can

tires best suited to highway driving under

cause dangerous handling charac-

dry conditions.

teristics, resulting in loss of con-

Since summer tires do not have the same

trol.

traction performance as snow tires, sum-

D Do not use tire other than the

mer tires are inadequate for driving on

manufacturer’s designated tires, and

snow−covered or icy roads. For driving on

never mix tires or wheels of the

snow−covered or icy roads, we recom-

sizes different from the originals.

mend using snow tires. If installing snow

tires, be sure to replace all four tires.

2. All season tires

All season tires are designed to provide

better traction in snow and to be adequate

for driving in most winter conditions, as

well as for use all year round.

All season tires, however, do not have

adequate traction performance compared

with snow tires in heavy or loose snow.

Also, all season tires fall short in accel-

eration

and

handling

performance

compared with summer tires in highway

driving.

119

Content   ..  6  7  8  9   ..