Lexus SC300 1997, SC400 1997, SC430 1997 Owner Manual

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SECTION 6 – 4
SERVICE PROCEDURES AND SPECIFICATIONS
Electrical components
Specifications 228 Checking battery condition 232 Battery recharging precautions 236 Checking and replacing the blade type fuses 237 Checking the cartridge type fuses 239 Adding washer fluid 240 Checking the headlight aim 240 Replacing light bulbs 242
227
ELECTRICAL COMPONENTS
SPECIFICATIONS
– LOCATION OF FUSES
– FUSES
Driver’s side kick panel
228
Engine compartment
ELECTRICAL COMPONENTS
229
ELECTRICAL COMPONENTS
No. FUSE
AMPERE
1 ENGINE 7.5 2 HTR 10 3 WIPER 20
4 ST 7.5
5 IGN 7.5
6 PANEL 7.5
7 MIR–HTR 10 8 TURN 7.5 9 STOP 15
10 CIG 15
CIRCUIT
Charging system Air conditioning system, rear
window defogger Windshield wipers and washer
Starting system, cruise control system, multiport fuel injection system/sequential multiport fuel injection system, instrument panel lights
Discharge warning light, multiport fuel injection system/sequential multiport fuel injection system, SRS airbag system.
Instrument panel lights, glovebox light
Outside rear view mirror defogger
Turn signal lights Stop lights, cruise control
system cancel device Cigarette lighter, theft deterrent
system, shift lock system, SRS airbag system, instrument panel lights
No. FUSE
11
RADIO
NO.2
AMPERE
7.5
12 TAIL 7.5
13 ECU–IG 15
14 GAUGE 10
15 ECU–B 15 16 OBD–II 7.5
17 FOG 15
CIRCUIT
Radio, cassette tape player, compact disc player, power antenna, power rear view mirrors
Tail lights, parking lights, side marker lights, license plate lights
Cruise control system, power steering control system, shift lock system, anti–lock brake system, SRS airbag system, power door lock system, preset steering system, traction control system, electronically controlled hydraulic–driven cooling system, passenger’s seat control system
Gauges and meters, service reminder indicators and warning buzzers (except discharge and open door warning lights), back–up lights, electronically controlled automatic transmission system, automatic transmission overdrive system, headlight
SRS airbag system, power rear view mirrors
On–board diagnosis system Fog lights
230
18 ST–HTR 15
Seat heater
ELECTRICAL COMPONENTS
No. FUSE
AMPERE
19 PWR 30
20 IG SW 40
21 DOOR 30
22 DOME 10
23 EFI 30
HAZ–HORN
24
15
CIRCUIT
Preset steering, electronic moon roof, power windows, theft deterrent system
Starting system Theft deterrent system, seat
control system, fuel opener control system, power door lock system
Interior light, personal lights, door courtesy lights, ignition switch light, open door warning light, trunk light, electronic moon roof system, preset steering system, seat belt reminder system, cruise control system, air conditioning system, inside rear view mirror, door lock and theft deterrent system, foot light, power rear view mirror, locking with wireless remote control system, passenger’s seat control system.
Multiport fuel injection system/sequential multiport fuel injection system
Emergency flashers, horns
No. FUSE
25
RADIO
NO.1
AMPERE
26 TEL 15 27 ALT.S 7.5 28 TRAC 7.5 29 HEAD.R 15 30 HEAD.L 15
31 DRL 7.5
32
33
HEAD
RH–UPR
HEAD
LH–UPR
34 INJ 30
20
15
15
CIRCUIT
Radio, cassette tape player, compact disc player, power antenna
Telephone Charging system Traction control system Right–hand headlight (low beam) Left–hand headlight (low beam)
Vehicles sold in Canada
Daytime Running Light System
Vehicles sold in Canada
Right–hand headlight (high beam)
Vehicles sold in Canada
Left–hand headlight (high beam)
Vehicles sold in U.S.A.
Starting system
231
ELECTRICAL COMPONENTS
CHECKING BATTERY CONDITION
Precautions
CAUTION
!
BATTERY PRECAUTIONS The battery produces flammable and explosive
hydrogen gas.
Do not cause a spark by contacting the battery
terminals with tools.
Do not smoke or light a match near the battery.
The electrolyte contains poisonous and corrosive sulfuric acid.
Avoid contact with eyes, skin or clothes.Never inhale or swallow electrolyte.Wear protective safety glasses when working
near the battery.
Keep children away from the battery.
EMERGENCY MEASURES
If electrolyte gets in your eyes, flush your eyes
with clean water for at least 15 minutes and get immediate medical attention. If possible, continue to apply water with a sponge or cloth while traveling to the medical office.
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 happen to 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.
232
ELECTRICAL COMPONENTS
Checking battery exterior
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 battery when washing it.
Checking battery fluid
There are 2 types of batteries: maintenance type and non–maintenance type.
A non–maintenance battery has “MAINTENANCE FREE BATTERY” on its top. A maintenance type battery does not have such indication.
Maintenance type battery
Check the fluid condition by the fluid level lines on the side of the battery. Or if the battery has a hydrometer on its top, you can also check the hydrometer.
Non–maintenance battery
Check the battery condition by the hydrometer on top of the battery.
233
ELECTRICAL COMPONENTS (a) Checking by the flui d level lines (Maintenance type
battery only)
The fluid (electrolyte) level must be between the upper and lower lines.
When checking the fluid level, look at all six cells, not just one or two.
If the level is lower than the lower line, add distilled water. (See “Adding distilled water” on page 235.)
(b) Checking the hydrometer
Check the battery condition by the hydrometer color. Maintenance type battery
BLUE – Good condition WHITE – Charging necessary. Have the battery checked by
your Lexus dealer. RED – Add distilled water. (See “Adding distilled water” on
page 235.)
Non–maintenance type battery
BLUE – Good condition. WHITE – Charging necessary. Have the battery checked by
your Lexus dealer. RED – Have the battery checked by your Lexus dealer.
234
NOTICE
For non–maintenance battery: Do not refill the battery with water.
ELECTRICAL COMPONENTS
Adding distilled water (Maintenance type battery only)
1. Remove the vent plugs.
2. Add distilled water to cells needing fluid. If the side of the battery is covered, check the water level by
looking down directly above the cell as illustrated above.
3. Retighten the vent plugs securely.
NOTICE
Do not overfill the cells. Excess electrolyte could squirt out of the battery during heavy charging, causing corrosion or damage.
Use a cover on the battery for longer life.
235
ELECTRICAL COMPONENTS
BATTERY RECHARGING
PRECAUTIONS
During recharging, the battery is producing hydrogen gas.
Therefore, before recharging:
1. Maintenance type batteries – Remove the vent plugs.
2. If recharging with the battery installed on the vehicle, be sure to disconnect the ground cable.
3. Make sure the power switch on the recharger is of f when connecting the charger cables to the battery and when disconnecting them.
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.
Non–maintenance batteries: Only do a slow
charge (5A or less). Charging at a quicker rate is dangerous. The battery may explode causing personal injuries.
Maintenance type batteries: Be sure to remove the vent plugs before recharging.
NOTICE
Never recharge the battery while the engine is running. Also, make sure all accessories are turned off.
236
CHECKING AND REPLACING THE
BLADE TYPE FUSES
1. Turn the ignition switch off and open the fuse box lid.
Determine which fuse may be causing the problem. The lid of the fuse box shows the name of the circuit for each fuse.
ELECTRICAL COMPONENTS
2. Make sure the inoperative component is turned off. Pull the suspected fuse straight out with the pull–out tool and check it. If it has blown, push a new fuse into the clips.
237
ELECTRICAL COMPONENTS
a. Look carefully at the fuse. If the thin wire is broken, the fuse has blown. If you are not sure or if it is too dark to see, try replacing the suspected fuse with one of the same value that you know is good.
b. Install only a fuse with the amperage rating designated on the fuse box lid.
If you do not have a spare fuse, in an emergency you can pull out the “CIG,” “RAD NO.1,” “DOME” or “HTR” fuse, which may be dispensable for normal driving, and use it if its amperage rating is the same.
If you cannot use one of the same amperage, use one lower than, but as close as possible to, the amperage. If the amperage is lower than the specified, the fuse might blow out again but this does not indicate anything wrong. Be sure to get the correct fuse as soon as possible and return the substitute to its original clips.
It is a good idea to purchase a set of spare fuses and keep them in your vehicle for emergencies.
If the new fuse immediately blows out, there is a problem with the electrical system. Have your Lexus dealer correct it as soon as possible.
CAUTION
!
Never use a fuse with a higher amperage rating, or any other object, in place of a fuse. This may cause extensive damage and possibly a fire.
238
CHECKING THE CARTRIDGE TYPE
FUSES
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.
ELECTRICAL COMPONENTS
If there is an overload in the circuits from the battery, the fuses are designed to blow before the entire wiring harness is damaged.
NOTICE
Before replacing the fuses, have the cause of electrical overload determined and repaired by your Lexus dealer.
CAUTION
!
Always use a genuine Lexus fuse or equivalent for replacement. Never install an ordinary wire – even for a temporary fix. This may cause extensive damage and possibly a fire.
239
ELECTRICAL COMPONENTS
ADDING WASHER FLUID
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’s paint.
CHECKING THE HEADLIGHT AIM
Before checking the headlight aim:
1. Be sure that the body around the headlights is not deformed.
2. Park the vehicle on a level spot.
3. The driver gets into the driver’s seat so that the vehicle has its normal load (with the tank full).
4. Bounce the vehicle several times.
240
ELECTRICAL COMPONENTS
To check the headlight aim, check the vertical and horizontal gauges.
1. Look at the beam angle gauge (vertical movement). The bubble of the gauge should not deviate from the center of the gauge by more than two marks on either side of the gauge.
2. Look at the beam angle gauge (horizontal movement). The read mark should not deviate by more than one mark on either side of the gauge.
If the error is over the value specified above, take the vehicle to your Lexus dealer to adjust the headlight aim.
241
ELECTRICAL COMPONENTS
REPLACING LIGHT BULBS
The illustration on the following pages show the locations of light bulbs. If it is necessary to replace a bulb, take your vehicle to your Lexus dealer as soon as possible. Use bulbs with the bulb numbers and wattage ratings given in the table.
CAUTION
!
Halogen bulbs have pressurized gas inside and require special handling. They can burst or shatter if scratched or dropped. Hold a bulb only by its plastic or metal case. Do not touch the glass part of a bulb with bare hands.
NOTICE
Only use a bulb of the listed type.
Light Bulbs Bulb No. W Type Headlights (low beam) 9006 55 A Headlights (high beam) 9005 65 B Fog lights 55 C Parking lights 5 E Front side marker lights 194 3.8 E Front turn signal lights 1157 NA 27/8 D Rear turn signal lights 1156 27 D
Light Bulbs Bulb No. W Type Stop lights 1156 27 D Tail lights 5 E Back–up lights 1156 27 D High mounted stoplight 921 18 E License plate lights 5 E Interior light 10 F Personal lights 8 D Glovebox light 1.2 E Door courtesy lights 5 E Footlights 1.2 E Vanity lights 3 F Trunk light 194 3.8 E
A: HB4 halogen bulbs B: HB3 halogen bulbs C: H3 halogen bulbs D: Single end bulbs E: Wedge base bulbs F: Double end bulbs
242
LIGHT LOCATION
ELECTRICAL COMPONENTS
243
ELECTRICAL COMPONENTS
244
SECTION 7
REPORTING SAFETY DEFECTS FOR U.S. OWNERS
253
REPORTING SAFETY DEFECTS FOR U.S. OWNERS
REPORTING SAFETY DEFECTS FOR
U.S. OWNERS
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Toyota Motor Sales, U.S.A., Inc. (Toll–free: 1–800–25–LEXUS).
If NHTSA receives similar complaints, it may open an investigation, and if it feels that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in individual problems between you, your dealer, or Toyota Motor Sales, U.S.A., Inc.
To contact NHTSA, you may either call the Auto Safety Hotline toll–free at 1–800–424–9393 (or 366–0123 in Washington, D.C., area) or write to: NHTSA, U.S. Department of Transportation, Washington, D.C. 20590. You can also obtain other information about motor vehicle safety from the Hotline.
254
SECTION 6 – 5
SERVICE PROCEDURES AND SPECIFICATIONS
Body
Specifications 246 Protecting your vehicle from corrosion 247 Washing and waxing 248 Cleaning the interior 249
245
BODY
SPECIFICATIONS
–DIMENSIONS AND WEIGHT
Overall length 4860 mm (191.3 in.) Overall width 1790 mm (70.5 in.) Overall height 1350 mm (53.1 in.)* Wheelbase 2690 mm (105.9 in.) Tread – Front 1520 mm (59.8 in.)
– Rear 1525 mm (60.0 in.)
Vehicle capacity weight (occupants + luggage) 340 kg (750 lb.)
*: Unladen vehicle
–FUEL TANK
Capacity 78 L (20.6 gal., 17.2 Imp.gal.)
246
PROTECTING YOUR VEHICLE
FROM CORROSION
Proper care of your Lexus can help ensure long–term corrosion prevention
The most common causes of corrosion to your vehicle are:
The accumulation of road salt, dirt and moisture in
hard–to–reach areas under the vehicle.
Chipping of paint or undercoating caused by minor
accidents or by stones and gravel.
The following conditions will cause or accelerate corrosion of your vehicle, so it is important to keep your vehicle, particularly the underside, as clean as possible and to repair any damage to paint or protective coatings as soon as possible.
The presence of road salt or dust control chemicals, salt in
the air near the sea coast, industrial air pollution.
High humidity, especially at temperatures just above
freezing point.
Certain parts of your vehicle are wet or damp for an
extended period of time, even though other parts of the vehicle are dry.
Components of the vehicle which are prevented from
quick–drying due to lack of proper ventilation are exposed to high temperature.
BODY
To help prevent corrosion on your Lexus, follow these guidelines:
Keep your vehicle clean by regular washing. In addition,
observe the following points.
If you drive on salted roads in the winter or if you live near
the ocean, you should hose off the undercarriage at least once a month to minimize corrosion.
High pressure water or steam is effective for cleaning the
vehicle’s underside and wheel housings. Pay particular attention to these areas as it is difficult to see all the mud and dirt. It will do more harm than good to simply wet the mud and debris without removing them. The lower edge of doors, rocker panels and frame members have drain holes which should not be allowed to clog with dirt as trapped water in these areas can cause corrosion.
Wash the underside of the vehicle thoroughly when winter
is over. See “Washing and waxing” for more tips. Check the condition of your vehicle’s paint and trim. If you find any chips or scratches in the paint, touch them up
immediately to prevent corrosion from starting. If the chips or scratches have gone through the bare metal, have a qualified body shop make the repair.
247
BODY Check the interior of your vehicle. Water and dirt can
accumulate under the floor mats and could cause corrosion. Occasionally check under the mats to make sure the area is dry. Be particularly careful when transporting chemicals, cleansers, fertilizers, salt, etc. These should be transported in proper containers. If a spill or leak should occur, immediately clean and dry the area.
Use mud shields on your wheels. If you drive on salted or gravel roads, mud shields help protect your vehicle. Full size shields, which come near to the ground as possible, are the best. We recommend that the fittings and the area where the shields are installed be treated to resist corrosion. Your Lexus dealer will be happy to assist in supplying and installing the shields if they are recommended for your area.
Do not park your vehicle in a damp, poorly ventilated garage. If you wash your vehicle in the garage, or if you drive
it in covered with water or snow, your garage may be so damp it will cause corrosion. Even if your garage is heated, a wet vehicle can corrode if the ventilation is poor.
WASHING AND WAXING
Washing your Lexus by hand
Work in the shade and wait until the vehicle body is not hot to the touch.
1. Rinse off loose dirt with a hose. Remove any mud or road salt from the underside of the vehicle or in the wheel wells.
2. Wash with a mild car–wash soap, mixed according to the manufacturer’s instructions. Use a soft cotton mitt and keep it wet by dipping it frequently into the wash water. No not rub hard – let the soap and water remove the dirt.
Aluminum wheels: Use only a mild soap or neutral detergent.
Urethane bumpers and side moldings: Wash carefully. Do not scrub with abrasive cleaners. The bumper and side molding faces are soft.
Road tar: Remove with turpentine or cleaners that are marked safe for painted surfaces.
NOTICE
Do not use gasoline or strong solvents, which may be toxic or cause damage.
3. Rinse thoroughly – dried soap can cause streaking. In hot weather you may need to rinse each section right after you wash it.
248
4. To prevent water spots, dry the vehicle using a clean soft cotton towel. Do not rub or press hard – you might scratch the paint.
Automatic car wash
NOTICE
To prevent damage to the antenna, make sure it is retracted before driving your vehicle through an automatic car wash.
Your vehicle may be washed in an automatic car wash, but remember that the paint can be scratched by some type of brushes, unfiltered washing water, or the washing process itself. Scratching reduces paint durability and gloss, especially on darker colors. The manager of the car wash should be able to advise you whether the process is safe for the paint on your vehicle.
Waxing your Lexus
Polishing and waxing is recommended to maintain the original beauty of your Lexus’ finish.
1. Always wash and dry the vehicle before you begin waxing, even if you are using a combined cleaner and wax.
2. Use a good quality polish and wax. If the finish has become extremely weathered, use a car–cleaning polish, followed by a separate wax. Carefully follow the manufacturer’s instructions and precautions. Be sure to polish and was the chrome trim as well as the paint.
BODY
3. Wax the vehicle again when water does not bead but remains on the surface in large patches.
CLEANING THE INTERIOR
CAUTION
!
Do not wash the vehicle floor with water, or allow water to get onto the floor when cleaning the vehicle interior or exterior. Water may get into audio components or other electrical components above or under the floor carpet (or mat) and cause a malfunction; and it may cause body corrosion.
Leather Interior
Remove dirt using a soft cloth dampened with 5% solution of neutral detergent for wool. Then thoroughly wipe off all traces of detergent with a clean damp cloth.
After cleaning or whenever any part of the leather gets wet, dry with a soft clean cloth. Allow the leather to dry in a ventilated shaded area.
NOTICE
If a stain should fail to come out with a neutral detergent, apply a cleaner that does not contain an organic solvent.
249
BODY
Never use organic substances such as benzine, alcohol or gasoline, or alkaline or acid solutions for cleaning the leather as these could cause discoloring.
Use of a nylon brush or synthetic fiber cloth, etc. may scratch the fine grained surface of the leather.
Mildew may develop on soiled leather upholstery. Be especially careful to avoid oil spots. try to keep your upholstery always clean.
Long exposure to direct sunlight may cause the leather surface to harden and shrink. Keep your vehicle in a shaded area, especially in the summer.
The interior of your vehicle is apt to heat up on hot summer days, so avoid placing on the upholstery items made of vinyl or plastic or containing was as these tend to stick to leather when warm.
Improper cleaning of the leather upholstery could result in discoloration or staining.
Synthetic Leather Areas (Dash)
The synthetic leather areas may be easily cleaned with a mild soap or detergent and water.
First vacuum over the upholstery to remove loose dirt. Then, using a sponge or soft cloth, apply the soap solution to the synthetic leather. After allowing it to soak in for a few minutes to loosen the dirt, remove the dirt and wipe off the soap with a clean damp cloth. If all the dirt does not come off, repeat the procedure. Commercial foaming–type cleaners are also available which work well. Follow the manufacturer’s instructions.
NOTICE
Do not use solvent, thinner, gasoline or window cleaner on the interior.
250
BODY
Carpets, Windows and Seat Belts
Begin by vacuuming thoroughly to remove as much dirt as possible. Several types of foam cleaners are available; some are in aerosol cans and others are powders or liquids which you mix with water to produce a foam. To shampoo the carpets, use a sponge or brush to apply the foam. Rub in overlapping circles. Do not apply water – the best results are obtained by keeping the carpet as dry as possible. Read the shampoo instructions and follow them closely.
The seat belts may be cleaned with mild soap and water or with lukewarm water.
Use a cloth or sponge. As you are cleaning, check the belts for excessive wear, fraying or cuts.
NOTICE
Use a good foam–type shampoo to clean the carpets.
Do not use dye or bleach on the belts–it may weaken them.
The windows may be cleaned with any household window cleaner.
When cleaning the inside of the rear window, be careful not to scratch or damage the heater wires.
Air Conditioning Control Panel, Car Audio, Instrument Panel, Console Panel, and Switches
Use a soft damp cloth for cleaning. Soak a clean soft cloth in water or lukewarm water then
lightly wipe off any dirt.
NOTICE
Do not use organic substances (solvents, kerosene, alcohol, gasoline, etc.) or alkaline or acidic solutions. these chemicals can cause discoloring, staining or peeling of the surface.
If you use cleaners or polishing agents, make sure their ingredients do not include the substances mentioned above.
If you use a liquid car freshener, do not spill the liquid onto the vehicle’s interior surfaces. It may contain the ingredients mentioned above. Immediately clean any spill using the method mentioned above.
If you have any questions about the cleaning of your Lexus, your local Lexus dealer will be pleased to answer them.
251
BODY
252
SECTION 6 – 3
SERVICE PROCEDURES AND SPECIFICATIONS
Chassis
213
CHASSIS
SPECIFICATIONS (SC400)
–AUTOMATIC TRANSMISSION
Fluid capacity
Drain and refill 1.9 L (2.0 qt., 1.7 Imp.qt.)
Fluid type Automatic transmission fluid Type T–II or equivalent
–DIFFERENTIAL
Oil capacity 1.35 L (1.42 qt., 1.19 Imp.qt.) Oil type Hypoid gear oil API GL–5 Oil viscosity Above –18°C (0°F): SAE90
Below –18°C (0°F): SAE80W or SAE80W–90
–BRAKES
Pedal clearance * Pedal freeplay 1 – 6 mm (0.04 – 0.24 in.) Brake pad wear limit 1.0 mm (0.04 in.) Parking brake lining wear limit 1.0 mm (0.04 in.) Parking brake adjustment * Fluid type SAE J1703 or FMVSS No. 116 DOT 3
*1: Minimum pedal clearance when depressed with the pressure of 490 N (50 kgf, 110 lbf.) with the engine running *2: Parking brake adjustment when depressed with the pressure of 196 N (20 kgf, 44 lbf.)
1
2
88 mm (3.5 in.) Min.
5 – 8 clicks
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