Lexus GS300 2006, GS350 2006, GS400 2006, GS430 2006, GS450H 2006 Owner Manual

...

Page 1

SECTION 7

REPORTING SAFETY DEFECTS FOR U.S. OWNERS

Reporting safety defects for U.S. owners

Reporting safety defects for U.S. owners 598. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

597

Page 2

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 finds 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.

598

Page 3

SECTION 6 –

SERVICE PROCEDURES AND SPECIFICATIONS

Body

Specifications 590. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Protecting your vehicle from corrosion 591. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Washing and waxing 592. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cleaning the interior 594. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

589

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BODY

SPECIFICATIONS

- DIMENSIONS AND WEIGHT

Overall length Overall width 1820 mm (71.6 in.) Overall height

Two-wheel drive models

Four-wheel drive models Wheelbase 2850 mm (112.2 in.) Tread – Front

– Rear Vehicle capacity weight (occupants + luggage) 370 kg (815 lb.)

*Unladen vehicle

- FUEL TANK

Capacity

4825 mm (189.9 in.)

1425 mm (56.1 in.)* 1435 mm (56.4 in.)*

1535 mm (60.4 in.) 1540 mm (60.6 in.)

71 L (18.7 gal., 15.6 lmp.gal.)

590

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BODY

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 do not dry quickly due to

lack of proper ventilation are exposed to high ambient

temperature.

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” on page 592 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.

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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.

Keep your vehicle in a well ventilated garage or a roofed place. Do not park your vehicle in a damp, poorly ventilated garage. If you wash your vehicle in the garage, or

if you drive it covered with water or snow, your garage may be so damp as to cause corrosion. Even if your garage is heated, a wet vehicle can corrode if the ventilation is poor.

WASHING AND WAXING

Washing your Lexus

Keep your vehicle clean by regular washing.

The following cases may cause weakness to the paint or corrosion to the body and parts. Wash your vehicle as soon as possible.

 When driving in a coastal area  When driving on a road sprinkled with antifreeze  When exposed to coal tar, tree sap, bird droppings and

carcass of an insect

 When driving in areas where there is a lot of smoke, soot,

dust, iron dust or chemical substances

 When the vehicle becomes remarkably dirty with dust and

mud

Hand-washing your Lexus

Work in th e 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 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. Do not rub hard - let the soap and water remove the dirt.

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BODY

Fuel filler door: Do not apply water (high-pressure car wash,

for example) at or near the fuel tank inlet with the fuel filler door opened. If the water enters the air vent, you may experience trouble with refueling or rough engine idling.

Plastic wheel ornaments: The plastic wheel ornaments are damaged easily by organic substances. If any organic substances splash an ornament, be sure to wash them off with water and check if the ornament is damaged.

Aluminum wheels: Use only a mild soap or neutral detergent. Plastic bumpers and side moldings: W ash carefully. Do not

scrub with abrasive cleaners. The bumper and side molding faces are soft.

Exterior lights: Wash carefully. Do not use organic substances or scrub them with a hard brush. This may damage the surfaces of the lights.

Road tar: Remove with turpentine or cleaners that are marked safe for painted surfaces.

3. Rinse thoroughly - dried soap can cause streaking. In hot weather you may need to rinse each section right after you wash it.

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.

NOTICE



Do not use organic substances (gasoline, kerosene, benzine or strong solvents), which may be toxic or cause damage.



Do not scrub any part of the vehicle with a hard brush, which may cause damage.

Automatic car wash

Your vehicle may be washed in an automatic car wash, but remember that the paint can be scratched by some types 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.

Apply wax once a month or if the vehicle surface does not repel water well.

1. Always wash and dry the vehicle surface 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 wax the chrome trim as well as the paint.

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BODY

3. Wax the vehicle again when water does not bead but remains on the surface in large patches.

Exterior lig h t s : Do not apply wax on the surfaces of the lights. Wax may cause damage to the lenses. If you accidentally put wax on the light surfaces, wipe or wash it off.

CLEANING THE INTERIOR

CAUTION

 Be careful not to splash water or spill liquid on the

floor. This may prevent the SRS side airbags from activating correctly, resulting in serious injury.

 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-trimmed interior

The selected leather is used in your Lexus. Due to characteristics of leather products, some parts of leather may be rough, uneven or scratched originally.

To keep good appearance, we recommend you to clean it periodically twice a year.

Remove dirt on the leather in the following ways:

1. Wipe it off lightly using a soft cloth (e.g. gauze) dampened with 5% solution of neutral detergent for wool.

2. Wring water from a clean cloth and thoroughly wipe off all traces of detergent with it.

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BODY

3. Wipe o f f the surface of the leather with a dry soft cloth. Allow the leather to dry in a ventilated shaded area. Excess of wet may cause the hardening or shrinking of the leather.

NOTICE



Dirt or sand adhered to the leather may damage the treated surface and cause it to wear earlier. Remove dirt or sand using a vacuum cleaner.



If a stain should fail to come out with a neutral detergent, apply a cleaner that does not contain an organic solvent.



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 . B e especially careful to avoid oil spots. T ry 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 wax as these tend to stick to leather when warm.



Improper cleaning of the leather upholstery could result in discoloration or staining.

Non-leather trim (Dash and sun visors)

The non-leather trim 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 non-leather trim. 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.

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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.



Do not use the belts until they become dry.



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, Audio System, 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.

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SECTION 6 –

SERVICE PROCEDURES AND SPECIFICATIONS

Electrical components

Specifications 564. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking battery condition 571. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Battery recharging precautions 574. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking and replacing the blade type fuses 574. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking the cartridge type fuses 577. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adding washer fluid 579. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking the headlight aim 579. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replacing light bulbs 584. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

563

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ELECTRICAL COMPONENTS

SPECIFICATIONS

- FUSE LOCATION



Engine compartment

Left side kick panel

Right side kick panel

Engine compartment 5Trunk

564

G64001

- FUSES

G64002



Right side kick panel

G64003



Left side kick panel

Page 13

ELECTRICAL COMPONENTS

g64004



Engine compartment

G64005



Engine compartment (GS430)

G64006



Engine compartment (GS300)

G64007



Trunk

565

Page 14

ELECTRICAL COMPONENTS

No. FUSE AMPERE CIRCUIT

1 STR LOCK 25 Steering lock system

2 SECURITY 7.5

3 TI &TE 20

4 AM1 7.5 Starting system

5 STOP SW 7.5

6 OBD 7.5 On-board diagnosis system

FR P/SEAT

8 AIR SUS 20

10 CIG 15 Cigarette lighter

11 ACC 7.5

PWR

OUTLET

Smart access system with push-button start

Power tilt and telescopic steering wheel, Multiplex communication system

Stop/tail lights, Multi-port fuel injection system/sequential multiport fuel injection system, Starting system, Electronic control brake system, Vehicle stability control system, Shift lock system

Power seat system

Electronic modulated suspension

Power outlet

Multiplex communication system, Smart access system with push-button start, Rear view monitor system, Audio system, Air conditioning system

No. FUSE AMPERE CIRCUIT

Multi-port fuel injection system/sequential multiport fuel

12 IGN 10

13 GAUGE 7.5 Gauges and meters

ECU-IG

16 RH-IG 7.5

17 AM2 15 Starting system

FR S/HTR

injection system, SRS airbag system, Stop/tail lights, Steering lock system, Electronic control brake system

Power tilt and telescopic steering wheel, Multiplex communication system, Smart access system with push-button start, Audio system, Air conditioning system, Shift lock system, Tire pressure warning system, Combination switch

Seat heater, Heated and ventilated seats

Seat heater switches, Front right door control system, Rear right door control system, Capacitor, Combination switch, Seat belt pretensioners, Intuitive parking assist

566

Page 15

ELECTRICAL COMPONENTS

No. FUSE AMPERE CIRCUIT

Front right door control system (Power door lock system,

FR DOOR

22 RAD NO.3 10 Audio system

23 H-LP LVL 7.5

RR DOOR

FR DOOR

Power rear view mirror control system, Door courtesy light, Outside rear view mirror heater, Power window), Multiplex communication system

Rear right door control system (Power door lock system, Door courtesy light, Power window)

Rear left door control system (Power door lock system, Door courtesy light, Power window)

Front left door control system (Power door lock system, Power rear view mirror control system, Door courtesy light, Outside rear view mirror heater, Power window)

Adaptive front lighting system (AFS), Automatic headlight leveling control system

No. FUSE AMPERE CIRCUIT

Charging system, Headlight cleaners, Exhaust gas sensor, Rear window defogger, Electric cooling fans, Rear left door

24 LH-IG 10

25 FR WIP 30 Windshield wipers and washer

26 PANEL 7.5

FUEL

OPEN

control system, Front left door control system, Emergency flashers, Automatic transmission, Seat belt pretensioners, Intuitive parking assist

Steering switch illumination, Audio system, Glove box light, Automatic transmission selector lever illumination, Console box light, Adaptive variable suspension switch illumination, Cigarette lighter illumination, Air conditioning system, Traction control off switch illumination, Driving pattern selector switch, Seat heater or Heated and ventilated seat switches, Register ILL RH, Register ILL LH, Register ILL CTR

Fuel filler door opener, Trunk lid opener

567

Page 16

ELECTRICAL COMPONENTS

No. FUSE AMPERE CIRCUIT

Vehicle stability control system, Electronic control brake system, Yaw rate and G sensor, Steering sensor, Cruise control system, Dynamic radar cruise

28 ECU-IG LH 10

FR S/HTR

30 31 A/C 7.5 Air conditioning system

32 TV 7.5

33 TRK OPN 10 Trunk lid opener 34 LH-B 10 Theft deterrent system 35 S/ROOF 25 Moon roof

36 ECU-B 10

FR P/SEAT

ABS

MAIN3

control system, Electronic power steering system, Variable gear ratio steering system, Rear view monitor system, Four-wheel drive system, Front controller, Moon roof, Rain sensor

Seat heater, Heated and ventilated seats

Power seat system

Audio system, Air conditioning system, Rear view monitor system

Variable gear ratio steering system, Electronic power steering system, Driver’s seat switch module

Electronic control brake system

No. FUSE AMPERE CIRCUIT

38 TURN-HAZ 15 39 IG2 MAIN 20 “IG2”, “GAUGE” and “IGN”

40 RAD NO.2 30 Audio system 41 D/C CUT 20 “DOME “ and “MPX-B” 42 RAD NO.1 30 Audio system

43 MPX-B 10

44 DOME 10

ABS

MAIN2

ABS

MOTOR

Turn signal lights, Emergency flashers

Multiplex communication system, Front controller, Door control system (Power door lock system, Door courtesy lights, Power windows, Power rear view mirror control system, Outside rear view mirror heaters), Power seat system, Steering sensors, Electronic control brake system, Power tilt and telescopic steering system, Gauges and meters, Combination switch

Foot lights, Vanity lights, Gauges and meters, Steering spot light, Steering switch illumination, Rear personal lights, Automatic transmission selector lever spot light, Front personal lights

Electronic control brake system

Anti-lock brake system

568

Page 17

ELECTRICAL COMPONENTS

No. FUSE AMPERE CIRCUIT

48 E/G-B 60

49 ABS1 50

50 RH J/B-B 30

51 VGRS 40

52 MAIN 30 53 STARTER 30 Starting system

54 LH J/B-B 30

55 P/I-B 60

56 EPS 80

57 ALT 150

ABS

MAIN1

Capacitor

“FR CTRL BATT”, “ETCS” and “ALT-S”

Vehicle stability control system, “ABS MAIN1”, “ABS MAIN2” and “ABS MTR”

“AM2”, “DOOR FR” and “DOOR RR”

Variable gear ratio steering system

“H-LP R LWR” and “H-LP L LWR”

“FL DOOR”, “RL DOOR” and “RAD No.3”

Multi-port fuel injection system/sequential multiport fuel injection system

Electronic power steering system

“RH J/B-AM”, “LH J/B-AM”, “E/G-AM”, “RR JB”, “HEATER”, “DEFOG”, “FAN1”, “FAN2”, “ABS2”, “ABS MOTOR”, “ABS MAIN1”, and “ABS MAIN2”

No. FUSE AMPERE CIRCUIT

“STOP LP R”, “STOP LP L”,

58 RR J/B 80

59 GLW PLG1 50 Glow plug heater

60 RH J/B-AM 80

61 ABS2 30

62 DEFOG 50 63 FAN1 40 Electric cooling fans

64 HEATER 50 Air conditioning system 65 GLW PLG2 50 Glow plug heater

66 E/G-AM 60

68 FAN2 60 No circuit

LH J/

B-AM

CTRL-B

“RR-B”, “RR TAIL”, “RR FOG”, “RR-IG1”, “PSB”, and “RR S/SHADE”

“AM1”, “OBD”, “STOP SW”, “TI &TE”, “PWR OUTLET”, “FR P/SEAT RH”, “STR LOCK”, “ECU-IG RH”, “RH-IG”, “ACC”, “CIG”, “SECURITY”, “FR S/HTR RH”, and “AIR SUS”

Vehicle stability control system, Anti-lock brake system

Rear window defogger, Noise filter

“H-LMP CLN”, “FR CTRL-AM” and “A/C COMP”

“S/ROOF”, “FR P/SEAT LH”, “TV”, “FR S/HTR LH”, “ECU-IG LH”, “FR WIP”, “H-LP LVL”, “LH-IG”, “FUEL OPEN”, “A/C”, “PANEL”, and “LH-B”

“H-LP UPR” and “HORN”

569

Page 18

ELECTRICAL COMPONENTS

No. FUSE AMPERE CIRCUIT

70 A/F 15

71 ETCS 10

72 ALT-S 7.5 Charging system 73 EM VLV 10 No circuit 74 H-LP CLN 30 Headlight cleaner system 75 A/C COMP 7.5 Air conditioning system 76 DEICER 25 No circuit

77 78 IG2 10 Starting system

79 EFI NO.2 10

81 82 F/PMP 25 Fuel pump

CTRL-AM

H-LP R

LWR

H-LP L

LWR

Multi-port fuel injection system/sequential multiport fuel injection system

“FR TAIL”, “FR FOG” and “WASHER”

Multi-port fuel injection system/sequential multiport fuel injection system, Evaporative system

Right-hand headlight (low beam)

Left-hand headlight (low beam)

No. FUSE AMPERE CIRCUIT

GS430:

83 EFI

84 INJ 20

85 H-LP UPR 15 Headlights (high beam) 86 HORN 10 Horn 87 WASHER 20 Windshield wipers and washer

88 FR TAIL 10 89 FR FOG 15 Front fog lights

90 91 PSB 30 Pre-collision system

92 RR-IG2 10 No circuit

93 RR-IG1 10

94 RR-B 10 95 RR FOG 7.5 Rear fog lights

96 STOP LP L 10 Stoplights, Back up lights

S/SHADE

GS300:

7.5

Multi-port fuel injection system/sequential multiport fuel injection system

Parking lights, Side marker lights

Rear electric sunshade

Pre-collision system, Rear electric sunshade, Seat belt pretensioners

Luggage compartment light, Noise filter

570

Page 19

ELECTRICAL COMPONENTS

No. FUSE AMPERE CIRCUIT

97 STOP LP R 10 High mounted stoplights

98 RR TAIL 10

License plate lights, Tail lights, Rear side marker lights

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 f o r a t l east 1 5 minutes and get immediate

medical attention. If possible, continue to apply

water with a sponge or cloth while traveling to the

medical office.

571

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ELECTRICAL COMPONENTS

 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

G64008



Terminals 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.

572

Page 21

ELECTRICAL COMPONENTS

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.

If the battery is disconnected or run down

The following functions may not operate correctly when you reconnect or replace the battery. In these cases, you should normalize each system referring to the following pages.

 Power windows (See page 59.)  Moon roof (See page 134.)  V ariable gear ratio steering system (See page 424.)  Intuitive parking assist (See page 380.)

Checking battery condition

Checking by indicator

G64009

Check the battery condition by the indicator color.

BLUE - Good condition.

WHITE - Charging necessary . Have the battery checked by your Lexus dealer.

RED - Have the battery checked by your Lexus dealer.

NOTICE

Do not refill the battery with water.

573

Page 22

ELECTRICAL COMPONENTS

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.

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, be sure all accessories are turned off.

CHECKING AND REPLACING THE

BLADE TYPE FUSES

G64010



Left side kick panel

G64011



Right side kick panel

574

Page 23

ELECTRICAL COMPONENTS

G64012



Engine compartment

G64013



Engine compartment 1Pull-out tool 2Spare fuses

G64014



Trunk

1. Turn the engine 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.

575

Page 24

ELECTRICAL COMPONENTS

64L013

2. Make s u r e t h e i noperative 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.

576

64G008a



Good

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” or ”OBD” 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 to the amperage as possible. If the amperage is lower than that 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.



Blown

Page 25

ELECTRICAL COMPONENTS

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.

CHECKING THE CARTRIDGE TYPE

FUSES

G64015



Engine compartment

577

Page 26

ELECTRICAL COMPONENTS

64g104



Good

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.

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.



Blown

CAUTION

NOTICE

Before replacing the fuses, have the cause of electrical overload determined and repaired by your Lexus dealer .

578

Page 27

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

G64020



Beam angle gauge

(horizontal movement for high beam)

Beam angle gauge

(vertical movement for high beam)

Beam angle gauge

(vertical movement for low beam)

Beam angle gauge

(horizontal movement for low beam)

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.

579

Page 28

ELECTRICAL COMPONENTS

Adjusting the headlight aiming (low beam)

G64021



Adjusting bolt A

Adjusting bolt B

G64022



Bubble 2Acceptable range

Vertical movement gauge: The bubble of the gauge should

not deviate from the center of the gauge by more than 2 marks to either side of the gauge.

If the bubble is out of the acceptable range of the beam angle gauge, adjust it using bolt A and B.

580

Page 29

ELECTRICAL COMPONENTS

G64023

1. Turn the bolt A in either direction using a Phillips-head screwdriver. At this time, keep the turning direction and number of turns in mind.

G64024

2. Turn the bolt B the same number of turns and in the same direction as step 1 using a Phillips-head screwdriver.

If you do not know or cannot find the original position, or if you feel that there is a large deviation, take the vehicle to your Lexus dealer to adjust the headlight aim.

After adjusting the headlight in the vertical direction, check that the light has been shifted from the adjusted position in the horizontal direction.

581

Page 30

ELECTRICAL COMPONENTS

Adjusting the headlight aiming (high beam)

G64025



Adjusting bolt A

Adjusting bolt B

G64026



Bubble 2Acceptable range

Vertical movement gauge: The bubble of the gauge should

not deviate from the center of the gauge by more than 2 marks to either side of the gauge.

If the bubble is out of the acceptable range of the beam angle gauge, adjust it using bolt A.

582

Page 31

ELECTRICAL COMPONENTS

G64027

Turn the bolt A in either direction using a Phillips- head screwdriver.

64G084



Red line 2Acceptable range

Horizontal movement gauge: The red line should not

deviate by more than 2 blue lines to either side of the gauge. If the red line is out of the acceptable range of the beam angle

gauge, adjust it using bolt B.

583

Page 32

ELECTRICAL COMPONENTS

G64028

REPLACING LIGHT BULBS

The illustrations 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.

The tail lights, stop lights, high mounted stoplight and rear side marker lig h t consist of a number of LEDs. If any LED burns out, we recommend you take your vehicle to your Lexus dealer to have the light inspected as soon as possible.

Turn the bolt B in either direction using a Phillips- head screwdriver.

If you do not know or cannot find the original position, or if you feel that there is a large deviation, take the vehicle to your Lexus dealer to adjust the headlight aim.

584

CAUTION

 To prevent burning yourself, do not replace the light

bulbs while they are hot.

 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.

 Do not touch the high voltage socket when the head-

lights turn on. 20000 V is momentarily generated and may cause severe injury by electric shock.

 Do not disassemble, repair or take apart the headlight

bulbs, connector, power supply circuits and rotated components. Or you may be injured by electric shock. Call your dealer when the headlights fail to work or have to be replaced or disposed of.

Page 33

ELECTRICAL COMPONENTS

NOTICE

Only use a bulb of the listed type.

The inside of the lens of exterior lights such as headlights may temporarily fog up when the lens becomes wet in the rain or in a car wash. This is not a problem because the fogging is caused by the temperature difference between the outside and inside of the lens, just like the windshield fogs up in the rain. However, if there is a large drop of water on the inside of the lens, or if there is water pooled inside the light, contact your Lexus dealer.

LIGHT LOCATION

G64017

Light Bulbs Bulb No. W Type

1 Headlight (High beam) HB3 60 A 2 Parking light --- 5 D 3 Front turn signal light --- 21 E 4 Headlight (Low beam) D4S 35 B 5 Front side marker light 194 5 D 6 Fog light HB4 51 C

585

Page 34

ELECTRICAL COMPONENTS

G64018

Light Bulbs Bulb No. W Type

1 High mounted stoplight --- 3.6 G 2 Tail light --- 0.9/0.5 G 3 Tail/stop light --- 0.9/10.8 G 4 Trunk light --- 5 F 5 Rear side marker light --- 0.5 G 6 Rear turn signal light --- 21 E 7 Back-up light 921 16 D 8 License plate light --- 0.85 G

586

G64019

Light Bulbs Bulb No. W Type

1 Front interior lights --- 0.1 G 2 Front seat spot lights --- 0.1 G 3 Vanity lights --- 8 D 4 Rear seat spot lights --- 0.2 G 5 Door courtesy lights --- 0.2 G 6 Foot lights --- 0.2 G 7 Glove box light --- 0.2 G

Page 35

A: HB3 halogen bulbs B: D4S discharge bulbs C: HB4 halogen bulbs D: Wedge base bulbs (clear) E: Wedge base bulbs (amber) F: Double end bulbs G: LEDs (Light-emitting Diodes)

ELECTRICAL COMPONENTS

587

Page 36

ELECTRICAL COMPONENTS

588

Page 37

SECTION 6 –

SERVICE PROCEDURES AND SPECIFICATIONS

Chassis

Specifications (GS430) 532. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications (GS300) 535. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking brake fluid 538. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking tire inflation pressure 539. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tire information 542. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Run-flat tires 552. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Types of tires 553. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rotating tires 554. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking and replacing tires 554. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing snow tires and chains 558. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replacing wheels 560. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Aluminum wheel precautions 561. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Suspension and chassis 562. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

531

Page 38

CHASSIS

SPECIFICATIONS (GS430)

– DIFFERENTIAL

Oil capacity Oil type and viscosity Toyota Genuine Differential Synthetic gear oil

1.35 L (1.42 qt., 1.19 lmp.qt.)

API GL-5 SAE 75W-90 or its equivalent

532

NOTE: The following label is affixed on the right side of the

differential carrier. Use the type and viscosity shown on the label when the differential oil is replaced.

Synthetic oil information label

NOTICE

Use of differential oil other than “Toyota Genuine Differential Synthetic gear oil API GL-5 SAE 75W-90” or its equivalent may d a m a g e t h e dif ferential gear of your vehicle and diminish fuel efficiency. For the reasons mentioned above, Lexus recommends use of “Toyota Genuine Differential Synthetic gear oil API GL-5 SAE 75W-90”. Another differential oil of matching quality can also be used, (but note that despite the similarity in nomenclature between “Toyota Genuine Differential Synthetic gear oil API GL-5 SAE 75W-90” and oils that meet SAE 75W-90 specifications, compliance with the SAE specification does not guarantee that an oil has all characteristic required to avoid the problem described above.) If you are unable to locate an equivalent to “Toyota Genuine Differential Synthetic gear oil API GL-5 SAE 75W-90”, contact your Lexus dealer for further details or another duly qualified and equipped professional.

Page 39

– AUTOMATIC TRANSMISSION

Fluid capacity

Drain and refill

1.7 L (1.5 qt., 1.8 lmp.qt.)

Fluid type Toyota Genuine ATF WS*

CHASSIS

*Change automatic transmission fluid only as necessary. Generally, it is necessary to change automatic transmission fluid only if your vehicle is driven under one of the Special Operating Conditions listed in your “Owner ’s Manual Supplement / Scheduled Maintenance”. When changing the automatic transmission fluid, use only “Toyota Genuine ATF WS” (ATF JWS3324 or NWS9638) to aid in assuring optimum transmission performance.

Using automatic transmission fluid other than “Toyota Genuine ATF WS” may cause deterioration in shift quality, locking up of your transmission accompanied by vibration, and ultimately damage the automatic transmission of your vehicle.

NOTICE

– BRAKES

Pedal clearance *

73 mm (2.9 in.) Min. Pedal free play 1.0 - 2.0 mm (0.04 - 0.08 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 *

5 - 7 clicks Fluid type SAE J1703 or FMVSS No. 116 DOT 3

*1Minimum pedal clearance when depressed with the force of 196 N (20 kgf, 44 lbf.) with the engine running *2Parking brake adjustment when depressed with the force of 300 N (30.6 kgf, 67.4 lbf.)

533

Page 40

CHASSIS

– STEERING

Free play

Less than 30 mm (1.2 in.)

– TIRES AND WHEELS

Tire size 245/40R18 93Y or P245/40R18 93V Tire inflation pressure

Recommended cold tire inflation pressure

Front 230 kPa (2.3 kgf/cm Rear 230 kPa (2.3 kgf/cm

or bar, 33 psi)

For sustained high speeds above 160 km/h (100 mph), in countries where such speeds are permitted by law, add 60 kPa (0.6 kgf/cm2 or bar, 9 psi) to the front tires and rear tires, but never exceed the maximum cold tire inflation pressure molded on the tire sidewall.

Wheel size 18 x 8 JJ Wheel nut torque 103 N·m (10.5 kgf·m, 76 ft·lbf.)

NOTE: For complete information on tires (e.g. replacing tires or replacing wheels), see “Checking tire inflation pressure”

through “Aluminum wheel precautions” on page 539 through 561.

534

Page 41

SPECIFICATIONS (GS300)

– DIFFERENTIAL

Oil capacity

Two-wheel drive models Four-wheel drive models

Front Rear

Oil type and viscosity Hypoid gear oil API GL-5

– AUTOMATIC TRANSMISSION

Fluid capacity

Drain and refill

Two-wheel drive models Four-wheel drive models

Fluid type Toyota Genuine ATF WS*

1.15 L (1.21 qt., 1.01 lmp.qt.)

0.70 L (0.73 qt., 0.61 lmp.qt.)

1.05 L (1.10 qt., 0.92 lmp.qt.)

Above –18C (0F): SAE 90

Below –18C (0F): SAE 80 or SAE 80W-90

1.5 L (1.6 qt., 1.3 lmp.qt.)

2.7 L (2.8 qt., 2.3 lmp.qt.)

CHASSIS

NOTICE

535

Page 42

CHASSIS

– BRAKES

Pedal clearance * Pedal free play 1.0 - 2.0 mm (0.04 - 0.08 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

*1Minimum pedal clearance when depressed with the force of 490 N (50 kgf, 110 lbf.) with the engine running *2Parking brake adjustment when depressed with the force of 300 N (30.6 kgf, 67.4lbf.)

– STEERING

65 mm (2.6 in.) Min.

5 - 7 clicks

536

Free play

Less than 30 mm (1.2 in.)

Page 43

– TIRES AND WHEELS

Tire size 225/50R17 94W or P225/50R17 93V

CHASSIS

Tire inflation pressure

Recommended cold tire inflation pressure Front 230 kPa (2.3 kgf/cm

or bar, 33 psi)

Rear 230 kPa (2.3 kgf/cm2 or bar, 33 psi)

For sustained high speeds above 160 km/h (100 mph), in

countries where such speeds are permitted by law, add 50 kPa

(0.5 kgf/cm

or bar, 7 psi) to the front tires and rear tires, but never exceed the maximum cold tire inflation pressure molded on the tire sidewall.

Wheel size 17 x 7 1/2 JJ Wheel nut torque 103 N·m (10.5 kgf·m, 76 ft·lbf.)

NOTE: For complete information on tires (e.g. replacing tires or replacing wheels), see “Checking tire inflation pressure”

through “Aluminum wheel precautions” on page 539 through 561.

537

Page 44

CHASSIS

CHECKING BRAKE FLUID

G62010



GS430

G62011



GS300

To check the fluid level, simply look at the see-through reservoir. The level should be between the ”MAX” and ”MIN” lines on the tank.

It is normal for the brake fluid level to go down slightly as the brake pads wear or when the fluid level in the accumulator is high.

If the level is low, take your vehicle to a Lexus dealer as soon as possible. Do not drive your vehicle if the brake system warning light (red) is on. Call a Lexus dealer for assistance.

If the fluid level goes down soon after your vehicle is serviced, it may indicate a serious mechanical problem. Have your vehicle checked by your Lexus dealer.

CAUTION

Brake fluid can harm your hands or eyes. If fluid gets on your hands or in your eyes, flush the affected area with clean water immediately. If you still feel uncomfortable with your hands or eyes, go to the doctor.

538

Page 45

CHASSIS

NOTICE

If brake fluid is spilled on the vehicle, be sure to wipe it off to prevent damage to parts or paint.

CHECKING TIRE INFLATION

PRESSURE

G63002

539

Page 46

CHASSIS

The recommended cold tire inflation pressure, tire size and the combined weight of occupants and cargo (vehicle capacity weight) are described on the tire and loading information label.

You should check the tire inflation pressure every two weeks, or at least once a month. And do not forget the spare! The inflation pressure for the spare tire should be 420 kPa (4.3 kgf/cm

The following instructions for checking tire inflation pressure should be observed:

 The pressure should be checked only when the

tires are cold. If your vehicle has been parked for at

least 3 hours and has not been driven for more than

1.5 km or 1 mile since, you will get an accurate cold tire inflation pressure reading.

 Always use a tire pressure gauge. Th e appearance

of the tire can be misleading. Besides, tire inflation pressures that are even just a few pounds off can

degrade ride and handling.

 Do not bleed or reduce tire inflation pressure after

driving. It is normal for the tire inflation pressure to

be higher after driving.

 Never exceed the vehicle capacity weight.

Passengers and luggage weight should be located so

that the vehicle is balanced.

, 4.2 bar, 60 psi).

Inspection and adjustment procedure

G63001



Tire valve

Tire pressure gauge

1. Remove the tire valve cap.

2. Press the tip of the tire pressure gauge to the tire valve.

3. Read the pressure using the graduations of the gauge.

4. In case the tire inflation pressure is not within the prescribed range, insert the compressed air from the valve. In case of applying too much air, press the center of the valve and release the air to adjust.

5.After completing the tire inflation pressure measurement and adjustment, apply soapy water to the valve and check for leakage.

540

Page 47

CHASSIS

6. Install the tire valve cap. If a gauge and air pump are not available, have your

vehicle checked by your Lexus dealer.

CAUTION

Be sure to reinstall the tire valve caps. Without the valve caps, dirt or moisture could get into the valve core and cause air leakage. If the caps have been lost, have new ones put on as soon as possible.

Incorrect tire inflation pressure may waste fuel, reduce the comfort of driving, reduce tire life and make your vehicle less safe to drive.

If a tire needs frequent refilling, have it checked by your Lexus dealer.

CAUTION

Keep your tires properly inflated. Otherwise, the following conditions may occur and cause an accident resulting in death or serious injuries.

Low tire pressure (underinflation):

 Excessive wear  Uneven wear  Poor handling  Possibility of blowouts from an overheated tire  Poor sealing of the tire bead  Wheel deformation and/or tire separation  A greater possibility of tire damage from road

hazards

High tire pressure (overinflation):

 Poor handling  Excessive wear  Uneven wear  A greater possibility of tire damage from road

hazards

541

Page 48

CHASSIS

TIRE INFORMATION

Tire symbols (Standard and run-flat tire)

G63006

542



The illustration indicates typical tire symbols.

Page 49

CHASSIS

1 Tire size: For details, see “Tire size” on page

546.

2 DOT and Tire Identification Number (TIN): For

details, see “DOT and Tire Identification Number (TIN)” on page 546.

3 Tire ply composition and materials : Plies

mean a layer of rubber-coated parallel cords. Cords mean the strands forming the plies in the tire.

4 Load limit at maximum cold tire inflation

pressure: For details, see “Checking and

replacing tires” on page 554.

5 Uniform tire quality grading For details, see

“Uniform tire quality grading” on page 548.

6 Maximum cold tire inflation pressure: This

means the pressure to which a tire may be inflated. For recommended cold tire inflation pressure, see “Specifications” on page 537.

7 “TUBELESS” or “TUBE TYPE”: A tubeless tire

does not have a tube inside the tire and air is directly filled in the tire. A tube type tire has a tube inside the tire and the tube maintains the air pressure.

8 Radial tires or bias-ply tires : A radial tire has

“RADIAL” on the sidewall. A tire not marked with “RADIAL” is a bias-ply tire.

9 Run-flat tire (RFT) or standard tire: This

vehicle can be equipped with either run-flat tires (RFT) or standard tires. A “RFT” or “DSST” mark is molded on the sidewall of the run-flat tire. For details, see “Run-flat tires” on page 552.

10 Location of tread wear indicators: For details,

see “Checking and replacing tires” on page 554.

11 Summer tire or all season tire: An all season

tire has “M+S” on the sidewall. The tire not marked with “M+S” is a summer tire. For details, see “Types of tires” on page 553.

543

Page 50

CHASSIS

Tire symbols (Compact spare tire)

G63007

544



The illustration indicates typical tire symbols.

Page 51

CHASSIS

1 “TEMPORARY USE ONLY”: A compact spare

tire is identified by the phrase “TEMPOTRARY USE ONLY” molded into its sidewall. This tire is designed for temporary emergency use only. For details, see “Compact spare tire” on page 471.

2 Tire size: For details, see “Tire size” on page

546.

3 DOT and Tire Identification Number (TIN): For

details, see “DOT and Tire Identification Number (TIN)” on page 546.

4 Load limit at maximum cold tire inflation

pressure: For details, see “Checking and

replacing tires” on page 554.

5 Maximum cold tire inflation pressure: This

means the pressure to which a tire may be inflated. For recommended cold tire inflation pressure, see “Specifications” on page 532.

6 Tire ply composition and materials : Plies

mean a layer of rubber-coated parallel cords. Cords mean the strands forming the plies in the tire.

7 Location of tread wear indicators: For details,

see “Checking and replacing tires” on page 554.

8 “TUBELESS” or “TUBE TYPE”: A tubeless tire

does not have a tube inside the tire and air is directly filled in the tire. A tube type tire has a tube inside the tire and the tube maintains the air pressure.

9 Radial tires or bias-ply tires : A radial tire has

“RADIAL” on the sidewall. A tire not marked with “RADIAL” is a bias-ply tire.

545

Page 52

CHASSIS

DOT and Tire Identification Number (TIN)

63SA11a



The illustration indicates typical DOT and Tire

Identification Number (TIN)

“DOT” symbol

Tire Identification Number (TIN)

Tire manufacturer’s identification mark

Tire size code

Manufacturer’s optional tire type code

(3 or 4 letters)

Manufacturing week

Manufacturing year

The “DOT” symbol certifies that the tire conforms to applicable Federal Motor Vehicle Safety Standards.

Tire size

63ca01

The illustrations indicate typical tire sizes.

Tire use (P=Passenger car, T=Temporary use)

Section width (in millimeters)

Aspect ratio (tire height to section width)

Speed category (alphabet with one letter)

Tire construction code

(R=Radial, D=Diagonal)

Wheel diameter (in inches)

Load index (2 digits or 3 digits)

Speed symbol (alphabet with one letter)

546

Page 53



Section width

Tire height

Wheel diameter

G63005

Name of each section of tire

63sa14



Bead

Sidewall

Shoulder

Tread

Belt

Inner liner

Reinforcing rubber

Carcass

Rim lines

Bead wires

Chafer

CHASSIS

547

Page 54

CHASSIS

Uniform tire quality grading

This information has been prepared in accordance with regulations issued by the National Highway Traffic Safety Administration of the U.S. Department of Transportation. It provides the purchasers and/or prospective purchasers of Lexus vehicles with information on uniform tire quality grading.

Your Lexus dealer will help answer any questions you may have as you read this information.

DOT quality grades - All passenger vehicle tires must conform to Federal Safety Requirements in addition to these grades. Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example: Treadwear 200 Traction AA Temperature A

Treadwear - The treadwear grade is a comparative

rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would wear one and a half (1 - 1/2) times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and climate.

Traction AA, A, B, C - The traction grades, from highest to lowest, are AA, A, B and C, and they represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete. A tire marked C may have poor traction 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, C - The temperature grades are A (the highest), B, and C, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustained high temperature can cause the material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure. The grade C corresponds to a level of performance which all passenger car tires must meet under the Federal Motor Vehicle Safety Standard No. 109. Grades B and A represent higher levels of performance on the laboratory test wheel than the minimum required by law.

Warning: The temperature grades for this tire are established for a tire that is properly inflated and not overloaded. Excessive speed, underinflation, or excessive loading, either separately or in combination, can cause heat buildup and possible tire failure.

548

Page 55

Glossary of tire terminology

Tire related term Meaning

CHASSIS

Cold tire inflation pressure

Maximum inflation pressure

Recommended inflation pressure

Accessory weight

Curb weight

Maximum loaded vehicle weight

tire pressure when the vehicle has been parked for at least 3 hours or more, or it has not been driven more than 1.5 km or 1 mile under that condition

the maximum cold inflation pressure to which a tire may be inflated and it is shown on the sidewall of the tire

cold tire inflation pressure recommended by a manufacturer

the combined weight (in excess of those standard items which may be replaced) of automatic transmission, power steering, power brakes, power windows, power seats, radio, and heater, to the extent that these items are available as factory-installed equipment (whether installed or not)

the weight of a motor vehicle with standard equipment including the maximum capacity of fuel, oil, and coolant, and, if so equipped, air conditioning and additional weight optional engine

the sum of — (a) curb weight; (b) accessory weight; (c) vehicle capacity weight; and (d) production options weight

549

Page 56

CHASSIS

Tire related term Meaning

Normal occupant weight

Production options weight

Vehicle capacity weight (Total load capacity)

Intended outboard sidewall

Occupant distribution

Rim

Rim diameter (Wheel diameter)

68 kg (150 lb.) times the number of occupants specified in the second column of Table 1 that follows

the combined weight of those installed regular production options weighing over

2.3 kg (5 lb.) in excess of those standard items which they replace, not previously considered in curb weight or accessory weight, including heavy duty brakes, ride levelers, roof rack, heavy duty battery, and special trim

the rated cargo and luggage load plus 68 kg (150 lb.) times the vehicle’s designated seating capacity

(a) the sidewall that contains a whitewall, bears white lettering or bears

manufacturer, brand, and/or model name molding that is higher or deeper than the same molding on the other sidewall of the tire, or

(b) the outward facing sidewall of an asymmetrical tire that has a particular side

that must always face outward when mounted on a vehicle

distribution of occupants in a vehicle as specified in the third column of Table 1 that follows

a metal support for a tire or a tire and tube assembly upon which the tire beads are seated

nominal diameter of the bead seat

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Tire related term Meaning Rim size designation rim diameter and width Rim type designation the industry of manufacturer’s designation for a rim by style or code Rim width nominal distance between rim flanges

CHASSIS

Vehicle maximum load on the tire

Vehicle normal load on the tire

the load on an individual tire that is determined by distributing to each axle its share of the maximum loaded vehicle weight and dividing by two

the load on an individual tire that is determined by distributing to each axle its share of the curb weight, accessory weight, and normal occupant weight (distributed in accordance with Table 1 that follows) and dividing by two

Weather side the surface area of the rim not covered by the inflated tire

Table 1 – Occupant loading and distribution for vehicle normal load for various designated seating capacities

Designated seating capacity,

Number of occupants

Vehicle normal load,

Number of occupants

Occupant distribution in a normally

loaded vehicle 2 through 4 2 2 in front 5 through 10 3 2 in front, 1 in second seat

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CHASSIS

RUN-FLAT TIRES

This vehicle can be equipped with either run-flat tires (RFT) or standard tires. You may continue driving on the vehicle with run-flat tires even if any tire goes flat. It may be able to run for a maximum of 160 km (100 miles) at a speed below 90 km/h (55 mph) after the low tire pressure warning light comes on. When you drive your vehicle after the low tire pressure warning light comes on, the tire must be replaced. Do not use the repaired tire.

G63004

A “RFT” or “DSST” mark is molded on the sidewall of the run-flat tire.

If you cannot distinguish between the standard tire and run-flat tire, consult Lexus dealer.

If you have a flat tire, you have to take a different action depending on whether the tires are standard tires or run-flat tires.

552

Run-flat tires characteristics:

The vehicle with run- flat tires helps you to continue driving for up to 160 km (100 miles) at the moderate speed and do not ever exceed 90 km/h (55 mph) even with a flat tire. After such usage, the tire must be replaced. If you are not sure, consult your Lexus dealer . If you have a flat tire, decrease the speed and drive at lower speed to reduce the extent to which the tire is damaged.

However, in some conditions (such as at high temperatures), you could not continue driving for up to 160 km (100 miles).

The use of non-genuine wheels may prohibit optimum performance.

The run- flat tires equipped on this vehicle are ones dedicated for GS430/300. Do not use them on another model.

Do not mix run-flat tires with standard tires. The tire warranty book covers the detailed information

on run-flat tires. For details, see the tire warranty book.

Tire pressure warning system

The tire pressure warning system is equipped to warn you of the low tire inflation pressure. For details, see “Tire pressure warning system” on page 433.

Page 59

CHASSIS

TYPES OF TIRES

Determine what kind of tires your vehicle is originally equipped with.

1. Summer tires

Summer tires are high-speed capability tires best suited to highway driving under dry conditions.

Since summer tires do not have the same traction performance as snow tires, summer tires are inadequate for driving on snow-covered or icy roads. For driving on snow-covered or icy roads, we recommend 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 acceleration an d handling performance compared with summer tires in highway driving.

CAUTION

 Do not mix summer and all season tires on your

vehicle as this can cause dangerous handling characteristics, resulting in loss of control.

 Do not use tires other than the manufacturer’s

designated tires, and never mix tires or wheels of the sizes different from the originals as this could result in loss of control and could cause death or serious injury.

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CHASSIS

ROTATING TIRES

G63008

To equalize tire wear and help extend tire life, Lexus recommends that you rotate your tires according to the maintenance schedule. (For scheduled maintenance information, please refer to the “Owner’s Manual Supplement / Scheduled Maintenance”.) However, the most appropriate timing for tire rotation may vary according to your driving habits and road surface conditions.

The wheel assemblies must be rotated as illustrated above.

When rotating tires, check for uneven wear and damage. Abnormal wear is usually caused by incorrect tire inflation pressure, improper wheel alignment, out-of-balance wheels, or severe braking.

Before storing radial, snow or studded tires, mark the direction of rotation and be sure to install them in the same direction when using them again. Tires should be stored in a cool dry place.

CHECKING AND REPLACING TIRES

When to replace your tires

G63003



New tread 2Tread wear indicator

Worn tread

Replace the tires when the tread wear indicators show. The location of tread wear indicators is shown by the ”TWI” or ”∆” marks, etc., molded on the sidewall of each tire.

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CHASSIS

The tires on your Lexus have built- in tread wear indicators to help you know when the tires need replacement. When the tread depth wears to 1.6 mm (0.06 in.) or less, the indicators will appear. If you can see the indicators in two or more adjacent grooves, the tire should be replaced.

Vehicles equipped with 245/40R18 93Y or P245/40R18 93V tires: Your Lexus has been fitted with

specially developed tires which provide exceptional dynamic performance under general road conditions. However your riding comfort may worsen a little and road noise may increase during driving. You may also notice that your tires will wear more rapidly and tire grip performance will be reduced on the snowy and/or icy roads when compared to standard tires. B e sure to have snow tires or tire chains on the snowy and/or icy roads and drive carefully with the speed appropriate for road conditions.

NOTICE

Low profile tire like 245/40R18 93Y or P245/40R18 93V may have greater damage than usual tires to its tire wheel when receiving impact from the road surface. Therefore, pay attention to the following.



Be sure to use with proper tire inflation pressure. If the tire inflation pressure is low, the tire may have greater damage. For detailed information about tire inflation pressure, see page 534.



Avoid driving onto high, sharp-edged objects and other road hazards. Failure to do so can lead to severe tire damage.

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CHASSIS

The effectiveness of snow tires is lost if the tread wears down below 4 mm (0.16 in.).

If you have tire damage such as cuts, splits, cracks deep enough to expose the fabric, or bulges indicating internal damage, the tire should be replaced.

If a tire often goes flat or cannot be properly repaired due to the size or location of a cut or other damage, it should be replaced. If you are not sure, consult with your Lexus dealer.

If air loss occurs while driving, do not continue driving. Driving even a short distance can damage a tire beyond repair.

Any tires which are over 6 years old must be checked by a qualified technician even if damage is not obvious.

Tires deteriorate with age even if they have never or seldom been used.

This applies also to the spare tire and tires stored for future use.

NOTICE



When you purchase new tires, consult your Lexus dealer. If you change from run-flat tires to standard tires, a spare tire should also be equipped.



When the tires must be repaired or replaced, have them repaired or replaced by Lexus dealer or authorized dealer. The tire pressure sensors will be affected by the installation or removal of tires.



When the tires must be replaced, replace the grommets for tire pressure sensors as well.

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CHASSIS

Tire selection

When replacing a tire, use a tire of the same size and construction, and the same or greater maximum load as the originally installed tires. Also, all the tires must be the same brand and have the same tread patterns.

Using any other size or type of tire may seriously affect handling, ride, speedometer/odometer calibration, ground clearance, and clearance between the body and tires or snow chains.

Check that the maximum load of the replaced tire is greater than 1/2 of the Gross Axle Weight Ratings (GAWR) of either the front axle or the rear axle, whichever is greater. As for the maximum load of the tire, see the load limit at maximum cold tire inflation pressure mentioned on the sidewall of the tire, and as for the Gross Axle Weight Ratings (GAWR), see the Certification Label. For details about the Certification Label and sidewall of the tire, see pages 500 and 542.

CAUTION

Observe the following instructions. Otherwise, an accident may occur resulting in death or serious injuries.

 Do not mix radial, bias belted, or bias-ply tires

on your vehicle, as this may cause dangerous handling characteristics resulting in loss of control.

 Do not use tires other than the manufacturer’s

recommended size, as this may cause dangerous handling characteristics resulting in loss of control.

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CHASSIS

INSTALLING SNOW TIRES AND

CHAINS

When to use snow tires or chains

Snow tires or chains are recommended when driving on snow or ice.

On wet or dry roads, conventional or radial tires provide better traction than snow or studded tires.

Snow tire selection

If you need snow tires, select tires of the same size, construction and load capacity as the originally installed tires. Also, all the tires must be the same brand and have the same tread patterns.

Do not use tires other than stated above. Since your vehicle has radial tires as original equipment, make sure your snow tires also have radial construction. Do not install studded tires without first checking local regulations for possible restrictions.

CAUTION

Observe the following instruction. Otherwise, an accident may occur resulting in death or serious injuries.

 Do not use snow tires other than the manufacturer’s

recommended size, as this may cause dangerous handling characteristics resulting in loss of control.

Snow tire installation

Snow tires should be installed on all wheels.

Installing snow tires on the rear wheels only can lead to an excessive difference in road grip capability between the front and rear tires which could cause loss of vehicle control.

CAUTION

 Do not drive with the snow tires incorrectly inflated.  Never drive over 120 km/h (75 mph) with any type of

snow tires.

Tire chain selection

Regulations regarding the use of tire chains vary according to location or type of road. Always check local regulations before installing chains.

Use SAE Class ”S” type radial tire chains, with the exception of radial cable chains or V-bar type chains.

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CHASSIS

Chain installation

Install the chains on the rear tires as tightly as possible. Do not use tire chains on the front tires. Retighten chains after driving 0.5 - 1.0 km (1/4 - 1/2 mile).

When installing chains on your tires, carefully follow the instructions of the chain manufacturer.

CAUTION

 Do not exceed 50 km/h (30 mph) or the chain

manufacturer’s recommended speed limit, whichever is lower.

 Drive carefully avoiding bumps, holes, and sharp

turns, which may cause the vehicle to bounce.

 Avoid sharp turns or locked-wheel braking, as use of

chains may adversely affect vehicle handling.

 When driving with chains installed, be sure to drive

carefully . Slow down before entering curves to avoid losing control of the vehicle. Otherwise an accident may occur.

NOTICE



When the snow tires must be repaired or replaced, have them repaired or replaced by Lexus dealer or authorized tire dealer. The tire pressure sensor will be affected by the installation or removal of snow tires.



When the snow tires must be replaced, replace the grommets for tire pressure sensors as well.



Do not attempt to use a tire chain on the compact spare tire , a s i t may result in damage to the vehicle as well as the tire.

If the chains are installed, the tire pressure warning system may not operate properly. See “Tire pressure warning system” on page 433.

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CHASSIS

REPLACING WHEELS

As you might have difficulty in identifying a flat or deflated tire, a tire pressure warning system is provided on this vehicle.

When replacing the wheels, be sure to install tire pressure sensors on the wheels.

There are 2 ways to set up the tire pressure sensors. a. Remove the sensor from the old wheel and install it to the

new wheel. b. Use a new wheel and sensor.

You have to register an ID code for a new sensor. Up to 2 sets of codes can be registered. As one ID for the originally installed sensor is registered at “MAIN” of the selector switch, use the “2nd” position to register an ID for the new

sensor.

You do not need to re-register the ID code for any other replacements. For the use of the originally installed tires, put the selector switch at “MAIN” and for the use of tires purchased later, put the switch at “2nd”. For the sensor

selector switch, see page 442.

CAUTION

 Have the tires, wheels or sensors replaced and ID

codes registered by Lexus dealer. If you need sensors, purchase from Lexus dealer.

 The sensor nuts should always be tightened to a

torque of 4 N·m (0.4 kgf·m, 2.9 ft·lbf).

 The use of non-genuine wheels will cause the tire

pressure sensor to transmit the electronic code in different manner, resulting in the failure of the system.

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 a damaged wheel, the tire may slip off the wheel or 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.

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CHASSIS

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.

CAUTION

Observe the following instruction. Otherwise, an accident may occur resulting in death or serious injuries.

 Do not use wheels other than the manufacturer’s

recommended size, as this may cause dangerous handling characteristics resulting in loss of control.

ALUMINUM WHEEL PRECAUTIONS

 When installing aluminum wheels, check that the wheel

nuts are tight after driving your vehicle the first 1600 km

(1000 miles).

 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 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.

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CHASSIS

SUSPENSION AND CHASSIS

CAUTION

Do not modify the suspension/chassis with lift kits, spacers, springs, etc. It can cause dangerous handling characteristics, resulting in loss of control.

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SECTION 6 –

SERVICE PROCEDURES AND SPECIFICATIONS

Engine

Specifications (GS430) 512. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications (GS300) 515. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fuel 518. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fuel pump shut off system 520. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Facts about engine oil consumption 520. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Used engine oil 522. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking the engine oil level 522. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking the engine coolant level 527. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking the radiator and condenser 529. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Spark plugs 529. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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ENGINE

SPECIFICATIONS (GS430)

– GENERAL

Model Type 8 cylinder V type, 4 cycle, gasoline Bore and stroke 91.0 X 82.5 mm (3.58 X 3.25 in.) Displacement 4293 cm3 (262.0 cu.in.) V alve clearance (engine cold)

Intake Exhaust

Drive belt tension Automatic adjustment

– FUEL

Fuel type Octane rating 91 (Research octane number 96) or higher

3UZ-FE

0.15 - 0.25 mm (0.006 - 0.010 in.)

0.25 - 0.35 mm (0.010 - 0.014 in.)

Unleaded gasoline only

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ENGINE

– LUBRICATION SYSTEM

Oil capacity

Drain and refill

with filter without filter

Oil grade API grade SL “Energy-Conserving” or ILSAC multigrade engine oil Recommended oil viscosity 5W-30

5.1 L (5.4 qt., 4.5 lmp.qt.)

4.5 L (4.8 qt., 4.0 lmp.qt.)

62L042

Outside temperature

NOTE: “Toyota Genuine Motor Oil” is used in your Lexus vehicle. Use Lexus approved “Toyota Genuine Motor Oil” or equivalent to satisfy

the above grade and viscosity. Please contact your Lexus dealer for further details.

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ENGINE

– COOLING SYSTEM

Capacity Coolant type ”Toyota Super Long Life Coolant” or similar high quality ethylene glycol

NOTE: “Toyota Super Long Life Coolant” is used in your Lexus vehicle at factory fill. In order to avoid technical problems, only use ”Toyota Super Long Life Coolant” or similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology. (Coolant with long-life hybrid organic acid technology is a combination of low phosphates and organic acids.) Do not use plain water alone. Please contact your Lexus dealer for further details.

– IGNITION SYSTEM

Spark plug – Make DENSO

NGK

– Gap

– ELECTRICAL SYSTEM

Battery – Open voltage at 20C (68F):

– Charging rates

10.1 L (10.7 qt., 8.9 lmp.qt.)

based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology (Coolant with long-life hybrid organic acid technology is a combination of low phosphates and organic acids.)

Do not use plain water alone.

SK20R11 IFR6A11

1.1 mm (0.043 in.)

12.7V Fully charged

12.3V Half charged

11.9V Discharged [Voltage that is checked 20 minutes after the engine switch is off with all the lights turned off] 5A max.

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SPECIFICATIONS (GS300)

– GENERAL

Model Type 6 cylinder V type, 4 cycle, gasoline Bore and stroke 87.5 X 83.0 mm (3.44 X 3.26 in.) Displacement 2995 cm3 (182.75 cu.in.) V alve clearance (engine cold)

Intake Exhaust

Drive belt tension Automatic adjustment

– FUEL

Fuel type Octane rating 91 (Research octane number 96) or higher

3GR-FSE

Automatic adjustment Automatic adjustment

Unleaded gasoline only

ENGINE

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ENGINE

– LUBRICATION SYSTEM

Oil capacity

Drain and refill

Two-wheel drive models

with filter without filter

Four-wheel drive models

with filter

without filter Oil grade API grade SL “Energy-Conserving” or ILSAC multigrade engine oil Recommended oil viscosity 5W-30

6.3 L (6.6 qt., 5.5 lmp.qt.)

5.9 L (6.2 qt., 5.1 lmp.qt.)

6.4 L (6.7 qt., 5.6 lmp.qt.)

6.0 L (6.3 qt., 5.2 lmp.qt.)

62L042

Outside temperature

NOTE: “Toyota Genuine Motor Oil” is used in your Lexus vehicle. Use Lexus approved “Toyota Genuine Motor Oil” or equivalent to satisfy the above grade and viscosity. Please contact your Lexus dealer for further details.

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ENGINE

– COOLING SYSTEM

Capacity Coolant type ”Toyota Super Long Life Coolant” or similar high quality ethylene glycol

– IGNITION SYSTEM

Spark plug – Make DENSO

NGK

– Gap

– ELECTRICAL SYSTEM

Battery – Open voltage at 20C (68F):

– Charging rates

9.1 L (9.6 qt., 8.0 lmp.qt.)

Do not use plain water alone.

FK20HBR11 ILFR6D11T

1.1 mm (0.043 in.)

12.7V Fully charged

12.3V Half charged

11.9V Discharged [Voltage that is checked 20 minutes after the engine switch is off with all the lights turned off] 5A max.

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ENGINE

FUEL

Fuel type

Y our vehicle must use only unleaded gasoline.

To help prevent gas station mixups, your Lexus has a smaller fuel tank opening. The special nozzle on pumps with unleaded fuel will fit it, but the larger standard nozzle on pumps with leaded gas will not.

At a minimum, the gasoline you use should meet the specifications of ASTM D4814 in the U.S.A. and CGSB

3.5-M93 in Canada.

NOTICE

Do not use leaded gasoline. Use of leaded gasoline will cause the three-way catalytic converter to lose its effectiveness and the emission control system to function improperly. Also, this can increase maintenance costs.

Octane rating

Select premium unleaded gasoline with an Octane Rating of 91 (Research Octane Number 96) or higher for optimum engine performance. However, if such premium type cannot be obtained, you may temporarily use unleaded gasoline with an Octane Rating as low as 87 (Research Octane Number 91).

Use of unleaded fuel with an octane number or rating lower than stated above will cause persistent heavy knocking. If severe, this will lead to engine damage.

If your engine knocks ...

If you detect heavy knocking even when using the recommended fuel, or if you hear steady knocking while holding a steady speed on level roads, consult your Lexus dealer.

However, occasionally, you may notice light knocking for a short time whi l e accelerating or driving up hills. This is normal and there is no need for concern.

Gasoline containing detergent additives

Lexus recommends the use of gasoline that contains detergent additives to avoid build-up of engine deposits.

However, all gasoline sold in the U.S. contains detergent additives to keep clean and/or clean intake systems.

Quality gasoline

Automotive manufacturers in the U.S., Europe and Japan have developed a specification for quality fuel named World-W ide Fuel Charter (WWFC) that is expected to be applied world wide. The WWFC consists of four categories that depend on required emission levels. In the U.S., category 3 has been adopted. The WWFC improves air quality by providing for better emissions in vehicle fleets, and customer satisfaction through better vehicle performance.

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ENGINE

Cleaner burning gasoline

Cleaner burning gasoline, including reformulated gasoline that contains oxygenates such as ethanol or MTBE is available in many areas.

Lexus recommends the use of cleaner burning gasoline and appropriately blended reformulated gasoline. These types of gasoline provide excellent vehicle performance, reduce vehicle emissions, and improve air quality.

Oxygenates in gasoline

Lexus allows the use of oxygenate blended gasoline where the oxygenate content is up to 10% ethanol or 15% MTBE. If you use gasohol in your Lexus, be sure that it has an octane rating no lower than 87.

Lexus does not recommend the use of gasoline containing methanol.

Gasoline containing MMT

Some gasoline contain an octane enhancing additive called MMT (Methylcyclopentadienyl Manganese Tricarbonyl).

Lexus does not recommend the use of gasoline that contains MMT. If fuel containing MMT is used, your emission control system may be adversely affected. The Malfunction Indicator Lamp on the instrument cluster may come on. If this happens, contact your Lexus dealer for service.

Gasoline quality

In a very few cases, you may experience driveability problems caused by the particular gasoline that you are using. If you continue to have unacceptable driveability, try changing gasoline brands. If this does not rectify your problem, then consult your Lexus dealer.

NOTICE



Do not use gasohol other than stated above. It will cause fuel system damage or vehicle performance problems.



If drivability problems are encountered (poor hot starting, vaporizing, engine knock, etc.), discontinue its use.



Take care not to spill gasohol during refueling. Gasohol may cause paint damage.

Fuel tank capacity

71 L (18.7 gal., 15.6 lmp.gal.)

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ENGINE

FUEL PUMP SHUT OFF SYSTEM

The fuel pump shut off system stops supplying fuel to the engine to minimize the risk of fuel leakage when the engine stalls or an airbag inflates upon collision. To restart the engine after the fuel pump shut off system activates, turn the engine switch off once and start it.

CAUTION

Inspect the ground under the vehicle before restarting the engine. If you find that liquid has leaked onto the ground, it is the fuel system that has been damaged and it is in need of repair. In this case, do not restart the engine.

FACTS ABOUT ENGINE OIL

CONSUMPTION

Functions of engine oil

Engine oil has the primary function of lubricating and cooling the inside of the engine, and plays a major role in maintaining the engine in proper working order.

Engine oil consumption

It is normal that an engine should consume some engine oil during normal engine operation. The causes of oil consumption in a normal engine are as follows.

 Oil is used to lubricate pistons, piston rings and cylinders.

A thin film of oil is left on the cylinder wall when a piston moves downwards in the cylinder. High negative pressure generated when the vehicle is decelerating sucks some of this oil into the combustion chamber. This oil as well as some part of the oil film left on the cylinder wall is burned by the high temperature combustion gases during the

combustion process.

 Oil is also used to lubricate the stems of the intake valves.

Some of this oil is sucked into the combustion chamber together with the intake air and is burned along with the fuel. High temperature exhaust gases also burn the oil used to

lubricate the exhaust valve stems.

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ENGINE

The amount of engine oil consumed depends on the viscosity of the oil, the quality of the oil and the way the vehicle is driven.

More oil is consumed under driving conditions such as high speeds and frequent acceleration and deceleration.

A new engine consumes more oil, since its pistons, piston rings and cylinder walls have not become conditioned.

Oil consumption: Max. 1.0 L per 1000 km (1.1 qt./600 miles,

0.9 lmp·qt./600 miles).

When judging the amount of oil consumption, keep in mind that the oil may have become diluted, making it difficult to judge the true level accurately.

For example, if a vehicle is used for repeated short trips and consumes a normal 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.

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 essential that the oil level be checked regularly. Lexus 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 insufficient oil.

For detailed information on oil level check, see ”Checking the engine oil level” on page 522.

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ENGINE

USED ENGINE OIL

CAUTION

 Used engine oil contains potentially harmful

contaminants which may cause skin disorders such as inflammation or skin cancer, so care should be taken to avoid prolonged and repeated contact with it. To remove used engine oil from your skin, wash thoroughly with soap and water.

 Do not leave used oil within the reach of children.  Dispose of used oil and used oil filters only in a safe

and acceptable manner. Do not dispose of used oil and used oil filters in household trash, in sewers or onto the ground. Call your Lexus dealer or a service station for information concerning recycling or disposal.

CHECKING THE ENGINE OIL LEVEL

G62001



GS430

G62002



GS300

With the engine at operating temperature and turned off, check the oil level on the dipstick.

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1. To get a correct reading, the vehicle should be on level ground. After turning off the engine, wait a few minutes for the oil to drain back into the bottom of the engine.

2. Pull the dipstick out, hold a rag under the end and wipe it clean.

3. Reinsert the dipstick and push it in as far as it will go, or the reading will not be correct.

G62006



GS430

Add oil 2O.K. 3Too full

G62005

ENGINE



GS300 (two-wheel drive models)

Add oil 2O.K. 3Too full

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ENGINE

G62006



GS300 (four-wheel drive models)

Add oil 2O.K. 3Too full

4. Pull the dipstick out and look at the oil level while holding a rag under the end. If it is between the full level mark ( the low level mark (

Be careful not to drop engine oil on the vehicle components.

524

), it is O.K.

NOTICE

) and

G62003



GS430

If the oil level is below or only slightly above the low level mark, add engine oil of the same type as already in the engine.

Remove the oil filler cap and add engine oil a little at a time, checking the dipstick. We recommend that you use a funnel when adding oil. The approximate quantity of oil needed to raise the level between low and full on the dipstick is indicated as follows:

For the engine oil capacity, see “Specifications” on pages 512 and 515.

When the level reaches within the correct range, return the filler cap and turn the cap clockwise until you hear a click.



GS300

1.5 L (1.6 qt., 1.3 lmp. qt.)

Page 83

ENGINE

NOTICE



Be careful not to spill engine oil on the vehicle components.



Avoid overfilling, or the engine could be damaged.



Check the oil level on the dipstick once again after adding the oil.

Engine oil selection

“Toyota Genuine Motor Oil” is used in your Lexus vehicle. Use Lexus approved “Toyota Genuine Motor Oil” or equivalent to satisfy the following grade and viscosity.

Oil grade: API grade SL “Energy- Conserv ing” or ILSAC multigrade engine oil.

Recommended viscosity: 5W-30

62L042

Outside temperature

SAE 5W-30 is the best choice for good fuel economy, and good starting in cold weather.

If SAE 5W-30 is not available, SAE10W-30 may be used. However, it should be replaced with 5W-30 at the next oil change.

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ENGINE

Oil identification marks

62L038



API Service Symbol

Either or both API registered marks are added to some oil containers to help you select the oil you should use.

 The API Service Symbol is located anywhere on the outside

of the container.

The top portion of the label shows the oil quality by API (American Petroleum Institute) designation such as SL. The center portion of the label shows the SAE viscosity grade such as SAE 5W-30. ”Energy-Conserving”, shown in the lower portion, indicates that the oil has fuel-saving

capabilities.

 The ILSAC (International Lubricant Standardization and

Approval Committee) Certification Mark is displayed on the

front of the container.



ILSAC Certification Mark

To ensure excellent lubrication for your engine, “Toyota Genuine Motor Oil” is available, which has been specifically tested and approved for all Lexus engines.

Please contact your Lexus dealer for further details about “Toyota Genuine Motor Oil”.

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ENGINE

CHECKING THE ENGINE COOLANT

LEVEL

G62007



GS430

Reservoir cap 2“FULL” line 3“LOW” line

G62008

Look at the see- through coolant reservoir when the engine is cold. The coolant level is satisfactory if it is between the”FULL” and ”LOW” lines on the reservoir. If the level is low, add the coolant. (For the coolant type, see “Coolant type selection” described below.)

The coolant level in the reservoir will vary with engine temperature. However, if the level is on or below the ”LOW” line, add coolant. Bring the level up to the ”FULL” line.

If the coolant level drops within a short time after replenishing, there may be a leak in the system. Visually check the radiator, hoses, engine coolant filler cap, radiator cap and drain cock and water pump.

If you can find no leak, have your Lexus dealer test the cap pressure and check for leaks in the cooling system.

CAUTION

To prevent burning yourself, do not remove the radiator cap when the engine is hot.



GS300

Reservoir cap 2“FULL” line 3“LOW” line

527

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ENGINE

Coolant type selection

Use of improper coolants may damage your engine cooling system.

Only use ”Toyota Super Long Life Coolant” or similar high quality ethylene glycol based non- silicate, non- amine, non- nitrite, and non- borate coolant with long- life hybrid organic acid technology. (Coolant with long-life hybrid organic acid technology is a combination of low phosphates and organic acids.)

For the U.S.A.—“T oyota Super Long Life Coolant” is a mixture of 50% coolant and 50% deionized water. This coolant provides protection down to about -35C (-31F).

For Canada—“Toyota Super Long Life Coolant” is a mixture of 55% coolant and 45% deionized water. This coolant provides protection down to about -42C (-44F).

NOTICE

Do not use plain water alone.

Lexus recommends “Toyota Super Long Life Coolant,” which has been tested to ensure that it will not cause corrosion nor result in malfunction of your engine coolant system with proper usage. “Toyota Super Long Life Coolant” is formulated with long- life hybrid organic acid technology and has been specifically designed to avoid engine cooling system malfunction on Lexus vehicles.

Please contact your Lexus dealer for further details.

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ENGINE

CHECKING THE RADIATOR AND

CONDENSER

If either of the above parts are extremely dirty or you are not sure of their condition, take your vehicle to your Lexus dealer .

CAUTION

To prevent burning yourself , be careful not to touch the radiator or condenser when the engine is hot.

NOTICE

To prevent damage to the radiator and condenser, do not perform the work by yourself.

SPARK PLUGS

62R031c



GS430

Your engine is fitted with iridium-tipped spark plugs.

NOTICE

Use only iridium-tipped spark plugs and do not adjust gaps for your engine performance and smooth drivability.

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Page 88

ENGINE

G62009



GS300

Your engine is fitted with the designated iridium-tipped spark plugs.

NOTICE

Use the designated iridium-tipped spark plugs only and do not adjust gaps for your engine performance and smooth drivability.

530

Page 89

SECTION 6 –

SERVICE PROCEDURES AND SPECIFICATIONS

Introduction

Vehicle identification 500. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Theft prevention labels 501. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine compartment overview (GS430) 502. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine compartment overview (GS300) 503. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Do-it-yourself service precautions 505. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Positioning the jack 507. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts and tools 508. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

499

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INTRODUCTION

VEHICLE IDENTIFICATION

G61001

The vehicle identification number (VIN) is the legal identifier for your vehicle. This number is on the left top of the instrument panel and can be seen through the windshield from outside.

This is the primary identification number for your Lexus. It is used in registering the ownership of your vehicle.

G61008

The vehicle identification number (VIN) is also on the Certification Label.

G61009



GS430

The engine number is stamped on the engine block as shown.



GS300

500

Page 91

THEFT PREVENTION LABELS

(U.S.A.ONLY)

61l067a

Your new vehicle carries theft prevention labels which are approximately 47 mm (1.85 in.) by 12 mm (0.47 in.).

The purpose of these labels is to reduce the incidence of vehicle thefts by facilitating the tracing and recovery of parts from stolen vehicles. The label is designed so that once it is applied to a surface, any attempt to remove it will result in destroying the integrity of the label. Transferring these labels intact from one part to another will be impossible.

NOTICE

INTRODUCTION

You should not attempt to remove the theft prevention labels as it may violate certain state or federal laws.

501

Page 92

INTRODUCTION

ENGINE COMPARTMENT OVERVIEW (GS430)

1 2

3 4 5 6

G61002

8 9

Engine oil filler cap Engine oil level

dipstick Brake fluid reservoir Fuse box Washer fluid tank Engine coolant

reservoir Electric cooling fans Condenser Radiator Fuse box Battery

502

Page 93

ENGINE COMPARTMENT OVERVIEW (GS300)

G61003

INTRODUCTION

Engine oil level dipstick

Engine oil filler cap

Brake fluid reservoir

Fuse box

Washer fluid tank

Engine coolant reservoir

Electric cooling fans

Condenser

Radiator

Fuse box

Battery

503

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INTRODUCTION

Removing the engine compartment cover

Before checking and replacing the blade type fuses, etc. in the engine compartment, remove the engine compartment cover as follows:

G61004

CAUTION

Be sure to turn off the engine before removing the engine compartment cover. Failure to do so may result in burns from heated components or serious injury through becoming caught in moving parts.

You must remove the front cover before removing the side covers. The location of the plastic clips is the same for all engine models.

Turn the plastic screw until it turns freely. Although it is turned freely, it cannot be removed from the engine compartment cover.

Push the core of the clips and remove the clips.

Remove the cover. Be careful not to lose the removed plastic clips.

504

Page 95

INTRODUCTION

After checking the items, install the engine compartment covers and insert the plastic clips in their original positions.

When inserting the plastic screw, push it in.

G61005

When inserting the clips, do as shown above.

NOTICE

After install the engine compartment cover, make sure the cover is securely in its original position.

DO-IT-YOURSELF SERVICE

PRECAUTIONS

If you perform maintenance yourself, be sure to follow the correct procedure given in this Section.

You should be aware that improper or incomplete servicing may result in operating problems.

Performing do-it-yourself maintenance during the warranty period may affect your warranty coverage. Read the separate Lexus Warranty statement for details and suggestions.

This Section gives instructions only for those items that are relatively easy for an owner to perform. As explained in Section 5, there are still a number of items that must be performed by a qualified technician with special tools.

For information on tools and parts for do- it- yourself maintenance, see ”Parts and tools” on page 508.

Utmost care should be taken when working on your vehicle to prevent accidental injury . Here are a few precautions that you should be especially careful to observe:

505

Page 96

INTRODUCTION

CAUTION

 When the engine is running, keep hands, clothing,

and tools away from the moving fan and engine drive belt. (Removing rings, watches, and ties is advisable.)

 Right after driving, the engine compartment - the

engine, radiator and exhaust manifold, etc. - will be hot. So be careful not to touch them. Oil and other fluids may also be hot.

 Do not leave anything that may burn easily, such as

paper or rags, in the engine compartment.

 Do not smoke, cause sparks or allow open flames

around fuel or the battery. Their fumes are flammable.

 Do not get under your vehicle with just the body jack

supporting it. Always use automotive jack stands or other solid supports.

 Be sure the engine switch is off if you work near the

electric cooling fan or radiator grille. With the engine switch on, the electric cooling fan may automatically start to run if the air conditioning is on and/or if the coolant temperature is high.

 Use eye protection whenever you work on or under

your vehicle where you may be exposed to flying or falling material, fluid spray, etc.

 Be extremely cautious when working on the battery.

It contains poisonous and corrosive sulfuric acid.

NOTICE



Remember that battery and ignition cables carry high currents or voltages. Be careful of accidentally causing a short circuit.



Add only ”Toyota Super Long Life Coolant” or similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology to fill the radiator. “Toyota Super Long Life Coolant” is a mixture of 50% coolant and 50% deionized water (for the U.S.A.) or 55% coolant and 45% deionized water (for Canada).



If you spill some of the coolant, be sure to wash it off with water to prevent it from damaging the parts or paint.



Before closing the engine hood, check to see that you have not forgotten any tools, rags, etc.



Do not drive with the air cleaner removed, or excessive engine wear could result. Also backfiring could cause a fire in the engine compartment.



Be careful not to scratch the glass surface with the wiper frame.

506

Page 97

INTRODUCTION

POSITIONING THE JACK

G61006



Front

G61007



Rear

When jacking up your vehicle with the jack, position the jack correctly as shown in the illustrations.

CAUTION

When jacking, be sure to observe the following to reduce the possibility of personal injury:

 Follow jacking instructions.  Do not put any part of your body under the vehicle

supported by the jack. Personal injury may occur.

 Do not start or run the engine while your vehicle is

supported by the jack.

 Stop the vehicle on a level firm ground, firmly set the

parking brake and put the transmission in “P” position.

 Make sure to set the jack properly in the jack point.

Raising the vehicle with jack improperly positioned will damage the vehicle or may allow the vehicle to fall off the jack and cause personal injury.

 Never get under the vehicle when the vehicle is sup-

ported by the jack alone; use vehicle support stands.

 Do not raise the vehicle with someone in the vehicle.  When raisi n g t h e v e h i c l e , d o n o t p l ace any objects on

top of or underneath the jack.

NOTICE

Make sure to place the jack correctly, or your vehicle may be damaged.

507

Page 98

INTRODUCTION

PARTS AND TOOLS

Here is a list of parts and tools you will need to perform do-it-yourself maintenance. Remember all Lexus parts are designed in metric sizes, so your tools must be metric.

Checking the engine oil level

Parts (if level is low):

 “Toyota Genuine Motor Oil” or equivalent

Oil grade: API grade SL “Energy-Conserving” or ILSAC multigrade engine oil. For recommended oil viscosity, see

page 525.

Tools:

 Rag or paper towel  Funnel (only for adding oil)

Checking the engine coolant level

Parts (if level is low):

 ”Toyota Super Long Life Coolant” or similar high quality

ethylene glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid

technology. “Toyota Super Long Life Coolant” is a mixture of 50% coolant and 50% deionized water (for the U.S.A.) or 55% of

coolant and 45% deionized water (for Canada).

Tools:

 Funnel (only for adding coolant)

Checking brake fluid

Parts (if level is low):

 FMVSS No. 116 DOT 3 or SAE J1703 brake fluid

Tools:

 Funnel (only for adding fluid)

Checking battery condition

Tools:

 Warm water  Baking soda  Grease  Conventional wrench (for terminal clamp bolts)

508

Page 99

Checking and replacing the blade type fuses

Parts (if replacement is necessary):

 Fuse with same amperage rating as original

Checking the cartridge type fuses

Parts (if replacement is necessary):

 Genuine Lexus fuse or equivalent with same amperage

rating as original

Adding washer fluid

Parts:

 Water  Washer fluid containing antifreeze (for winter use)

Tools:

 Funnel

INTRODUCTION

509

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INTRODUCTION

510