warning TOYOTA SUPRA 1996 User Guide

105
Leave the system on during ordinary
driving so that it can operate when
needed. When traction control is ap-
plied, the slip indicator light blinks. If
your vehicle still skids even though
traction control is applied, more pow-
erful
traction control is applied and the
SNOWº indicator light comes on.
You may hear a slight clicking noise in the
engine compartment when the engine is
started. This means that the traction con-
trol system is in the self-check mode, and
does not indicate malfunction. When the
traction control system is operating, you
may feel vibration of your vehicle, causedby operation of the brakes. This indicates
the system is functioning properly.
When getting the vehicle out of mud or
new snow, etc. the traction control system
will operate to prevent the wheels from
spinning. Even though the accelerator
pedal is fully depressed, the engine speed
will be restrained to a certain level.
MANUAL SNOW OPERATION
You can select the snow mode by
pushing the SNOWº switch. The
SNOWº indicator light will come on.
To select the automatic mode, push
the OFFº switch. The SNOWº indi-cator light will go off. If your vehicle
still skids, the system automatically operates.
MANUAL TRACTION CONTROL OFF
OPERATION
You can turn off the traction control
system by pushing the OFFº switch.
The TRAC OFFº indicator/warning
light will come on. Pushing the OFFº
switch a second time turns on the trac-
tion control system and the TRAC
OFFº indicator/warning light will go off. If the SNOWº indicator light is on,
pushing the OFFº switch once se-lects the automatic mode and pushing
it a second time turns off the traction
control system.

111
The amount of engine oil consumed
depends on
the viscosity of the oil, the
quality of the oil and the conditions
the vehicle is driven under.
More oil is consumed by high-speed driv-
ing and frequent acceleration and decel- eration.
A new engine consumes more oil, since
its pistons, piston rings and cylinder walls
have not become conditioned.
When judging the amount of oil con-
sumption, note that the oil may be- come diluted and make it difficult to
judge the true level accurately.
As an example, if a vehicle is used for re-
peated short trips, and consumes a nor- 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 di-
luted with fuel or moisture, making it ap-
pear that the oil level has not changed.
The diluting ingredients evaporate out
when the vehicle is then driven at high
speeds, as on an expressway, making it appear that oil is excessively consumed
after driving at high speeds. IMPORTANCE OF ENGINE OIL LEVEL CHECK
One of the most important points in proper vehicle maintenance is to keep the engine
oil at the optimum level so that oil function
will
not be impaired. Therefore, it is essen-
tial that the oil level be checked regularly.
Toyota recommends that the oil level be checked every time you refuel the vehicle.
NOTICE
Failure to check the oil level regularly could lead to serious
engine trouble due to insufficientoil.
For detailed information on oil level check,
see Checking the engine oil levelº in Chapter 7-2. TANDEM MASTER CYLINDER BRAKE SYSTEM
The tandem master cylinder brake sys-
tem is a hydraulic system with two sepa-
rate sub-systems. If either sub-system
should fail, the other w
ill still work. Howev-
er, the pedal will be harder to press, and
your stopping distance will be longer.
Also, the brake system warning light may come on.
Do not drive your vehicle with only
a single brake system. Have your
brakes fixed immediately.
CAUTION!
BRAKE BOOSTER
The brake booster uses engine vacuum to
power-assist the brakes. If the engine
should quit while you are driving, you can
bring the vehicle to a stop with normal
pedal pressure. There is enough reservevacuum for one or two stopsÐbut no more!
Do not pump the brake pedal if the
engine stalls. Each push on the
pedal uses up your vacuum re- serve.
CAUTION!
Brake system

11 2
Even if the power assist is com-
pletely lost, the brakes will still
work. But you will have to push the
pedal hardÐmuch harder t han nor-
mal. And your braking distance will
be longer.
ANTI-LOCK BRAKE SYSTEM
The anti-lock brake system is designed to prevent lock-up of the wheels during sud-
den braking or braking on slippery road surfaces. This assists the driver in con-
trolling the vehicle under these circum-stances.
The anti-lock brake system becomes op- erative after the vehicle has accelerated
to a speed in excess of approximately 10
km/h (6 mph). It stops operating when the
vehicle decelerates to a speed below
approximately 5 km/h (3 mph).
You may hear a sound in the engine
compartment for a few seconds when the
engine is started or just after the vehicle is started. This means that the anti-lock
brake system is in the self check mode,
and does not indicate a malfunction.
When the anti-lock brake system function is in action, you may feel the brake pedal
pulsating and hear a noise. In this situa-
tion, to let the anti-lock brake system work for you, just hold the brake pedal
down more firmly. Do not pump the brake. The brake pedal pulsation caused by the
anti-lock brake system may indicate haz- ardous road surface conditions. Althoughthe anti-lock brake system assists in pro-
viding
vehicle control, it is still important to
drive with all due care, because the anti-
lock brake system cannot overcome the
laws of physics that act on your vehicle: Braking c apability is dependent on tire
friction with the road surface.
Even though the anti-lock brake sys-
tem is operating, a driver cannot main- tain full control on certain slippery road
surfaces, when cornering at highspeeds, or in violent maneuvers.
Avoid high speeds on wet roads. The
anti-lock brake system cannot elimi-
nate the risk of hydroplaning and lossof tire friction.
Always maintain a safe distance from the
vehicle in front of you. Compared with ve-
hicles not fitted with an anti-lock brake
system, your vehicle may require a longer
stopping distance in the following cases: Driving on rough, gravel or snow-cov-
ered roads.
Driving with tire chains installed.
Driving on roads where the road sur-
face is pitted or has other differences in surface height.
ABSº warning light
This light comes on when the ignition key is turned to the ONº position. After about
3 seconds, the light will go off.
If either of the following conditions occurs, this indicates a malfunction somewhere inthe parts monitored by the warning light
system. Contact your Toyota dealer as
soon as possible to service the vehicle. The light does not come on as de-
scribed above, or remains on.
The light comes on while driving.

11 3
Even if the anti-lock brake system
should
fail, the brake system will still operate con-
ventionally. Have your vehicle checked by
your Toyota 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 park-
ing brake shoes and/or drums are re- placed.
Have your Toyota dealer perform the bed-
ding-down.
The brake pad wear limit indicators on
your disc brakes give a warning noise
when the brake pads are worn to
where replacement is required.
If you hear a squealing or scraping noise
while driving, have the brake pads
checked and replaced by your Toyota
dealer as soon as possible. Expensive ro-
tor damage can result if the pads are not
replaced when necessary. When stowing luggage or cargo in or on the vehicle, observe the following:
Put luggage or cargo in the luggage
compartment when at all possible. Be sure all items are secured in place.
Be careful to keep the vehicle bal-
anced. Locating the weight as far for-
ward as possible helps maintain this.
For better fuel economy, do not carry unneeded weight.
CAUTION!
To prevent luggage or packages
from sliding forward during brak-
ing, do not stack anything in the
luggage compartment higher than
the seatbacks. Keep luggage or
packages low, as close to the floor
as possible.
Never allow anyone to ride in the lug-
gage compartment. It is not de-
signed for passengers. They s hould
ride in their seats with their seat belts
properly fastened. Otherwise, they
are much more likely to suffer seri-
ous bodily injury, in the event of sud-
den braking or a collision.
Do not place anything on the lug-
gage cover. Such items may be
thrown about and possibly injure people in the vehicle during sud-
den braking or an accident.
Brake pad wear limit indicators
Luggage stowage precautions

145
Service reminder indicators and
warn-
ing buzzers Check that all service reminder indicators
and warning buzzers function properly. Steering wheel
Be alert for changes in steering condition, such as hard steering or strange noise. Seats Check that all front seat controls such as
seat adjusters, seatback recliner, etc. op- erate smoothly and that all latches lock
securely in any position. For folding-down
rear seatback, check that the latches lock
securely. Make sure the front headrestsare firmly secured. 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 dam- aged. Accelerator pedal Check the pedal for smooth operation and
uneven pedal effort or catching. Clutch pedal Check the pedal for smooth operation. Brake pedal Check
the pedal for smooth operation and
that the pedal has the proper clearance. 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 lever has the proper travel and that, on a safe incline, your vehicle is
held securely with only the parking brake applied.
Automatic transmission Parkº mech-
anismCheck the lock release button of the selec-
tor lever for proper and smooth operation.
On a safe incline, check that your vehicle is held securely with the selector lever inPº position and all brakes released.
IN THE ENGINE COMPARTMENT Items listed below should be checked
from time to time , e.g. each time when
refueling.
Washer fluid
Make sure there is sufficient fluid in the
tank. See Chapter 7-3 for additional infor-
mation.
Engine coolant level Make sure the coolant level is between
the FULLº and LOWº lines on the see-
through reservoir when the engine is cold.
See Chapter 7-2 for additional informa-tion. Battery electrolyte level Make sure the electrolyte level of all bat-
tery cells is correct. Add only distilled wa-
ter when replenishing. See Chapter 7-3
for additional information. Brake fluid level
Make sure the brake fluid level is correct. See Chapter 7-2 for additional informa- tion.
Engine oil level
Check the l
evel on the dipstick with the en-
gine turned off and the vehicle parked on
a level spot. See Chapter 7-2 for addition-
al information. Power steering fluid level Check the level on the dipstick. The level
should be in the HOTº or COLDº range
depending on the fluid temperature. See Chapter 7-2 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 immedi-
ately. (See engine exhaust cautions in
Part 2.)

161
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, the
tire may slip off the wheel or they may cause loss of handling control. WHEEL SELECTION
When replacing wheels,
care should be
taken to ensure that the wheels are re- placed by ones with the same load ca-
pacity, diameter, rim width, and offset. This must be observed on compact spare
tires, too.
Correct replacement wheels are available
at your Toyota dealer.
A wheel of a different size or type may ad-
versely affect handling, wheel and bear-
ing life, brake cooling, speedometer/
odometer calibration, stopping ability,
headlight aim, bumper height, vehicle
ground clearance, and tire or snow chainclearance to the body and chassis. Replacement
with used wheels is not rec-
ommended as they may have been sub-jected to rough treatment or high mileageand could fail without warning. Also, bent
wheels which have been straightened
may have structural damage and there-
fore should not be used. Never use an in-
ner tube in a leaking wheel which is de-
signed for a tubeless tire.
After driving your vehicle the first 1600
km (1000 miles), check that the wheel
nuts are tight.
If you have repaired or changed your
tires, check that the wheel nuts are still
tight after driving 1600 km (1000miles).
When using tire chains, be careful not
to damage the aluminum wheels.
Use only the Toyota wheel nuts and
wrench designed for your aluminumwheels.
When balancing your wheels, use only
Toyota balance weights or equivalent
and a plastic or rubber hammer.
As with any wheel, periodically checkyour aluminum wheels for damage. If
damaged, replace immediately.
Replacing wheels
Aluminum wheel precautions

182STEERING Wheel freeplay:
Less than 30 mm (1.2 in.)
Power steering fluid type: Automatic transmission fluid DEXRON )
-II or -III Tire size:
Spare tireT145/70 R 17
Except spare tire 2JZ-GE engine
225/50R 16 (for front use only) 245/50R 16 (for rear use only)
2JZ-GTE engine
235/45 ZR 17 (for front use only)255/40 ZR 17 (for rear use only)
Tire pressure, kPa (kgf/cm 2
or bar, psi):
Spare tire 420 (4.2, 60)Except spare tire 225/50 ZR 16 230 (2.3, 33)
others 250 (2.5, 36)
Wheel size:
225/50 ZR 16 16 x 8JJ
245/50 ZR 16 16 x 9JJ
235/45 ZR 17 17 x 8JJ
255/40 ZR 17 17 x 9.5JJ
T145/70 R 17 17 x 4T
Wheel nut torque, N Vm (kgf Vm, ft Vlbf):
103 (10.5, 76)
Fuses (type A)
1. WIPER 20 A: Windshield wipers and
washer, rear window wiper and washer
2. HTR 7.5 A: Air conditioning system
3. SEAT-HTR 7.5 A: Seat heater
4. ST 7.5 A: Starter system
5. IGN 7.5 A: Charging system, dis-
charge warning light, multiport fuel injec- tion system/sequential multiport fuel in-
jection system, SRS airbag system
6. PANEL 10 A: Instrument panel lights,
instrument panel lights control
7. MIR-HTR 10 A: Mirror heaters
8. TURN 7.5 A: Turn signal lights
Tires Fuses

183
9. STOP 15 A: Stop lights, cruise control
system cancel device
10. CIG 15 A: Cigarette lighter, air condi-
tioning system, SRS airbag system, theft
deterrent system, shift lock control sys-tem
11. RAD NO.2 7.5 A: Radio, cassette
tape player, power antenna
12. TAIL 10 A: Tail lights, parking lights,
front side marker lights, rear side marker lights, licence plate lights
13. ECU-IG 10 A: Cruise control system,
anti-lock brake system, power steering,
power antenna, theft deterrent system,
shift lock control system, traction control system14. GAUGE 10 A: Gauges and meters,
service reminder indicators and warning
buzzers (except discharge and open door
warning lights), rear window defogger,
charging system, cruise control system,
electronically controlled automatic trans-mission system, traction control system
15. ECU-B 10 A: Air conditioning sys-
tem, cruise control system, anti-lock brake system, SRS airbag system, trac-tion control system
16. EFI NO.2 30 A: Multiport fuel injection
system/sequential multiport fuel injection
system17. EFI NO.1 30 A: Multiport fuel injection
system/sequential multiport fuel injection
system
18. AM2 30 A: Starter system
19. FOG 15 A: Front fog lights
20. HAZ-HORN 15 A: Emergency flash-
ers, horns
21. TRAC 7.5 A: Traction control system
22. ALT-S 7.5 A: Charging system
23. DOME 7.5 A: Interior lights, personal
lights, door courtesy lights, luggage
compartment light, ignition switch light,
open door warning light, theft deterrent
system, daytime running light system

186Traction A, B, CÐ
The traction grades,
from highest to lowest, are A, B, and C,
and they represent the tire's ability to stop
on wet pavement as measured under
controlled conditions on specified govern-
ment test surfaces of asphalt and con-
crete. A tire marked C may have poor trac-
tion performance.
Warning: The traction grade assigned to this tire is based on braking (straight
ahead) traction tests and does not include
cornering (turning) traction.
Temperature A, B, CÐ The temperature
grades are A (the highest), B, and C, rep-
resenting the tire's resistance to the gen-
eration of heat and its ability to dissipate heat when tested under controlled condi-tions on a specified indoor laboratory test
wheel. Sustained high temperature can
cause the material of the tire to degener- ate and reduce tire life, and excessive
temperature can lead to sudden tire fail-
ure. The grade C corresponds to a level of
performance which all passenger car tires
must meet under the Federal Motor Ve-
hicle Safety Standard No. 109. Grades B
and A represent higher levels of perfor- mance on the laboratory test wheel than
the minimum required by law. Warning: The temperature grade for this
tire is
established for a tire that is properly
inflated and not overloaded. Excessivespeed, underinflation, or excessive load- ing, either separately or in combination,can cause heat buildup and possible tire failure.