2010 Toyota Prius Owners Manual

413

4-2. Maintenance

Vehicle exterior

Items

Check points

Doors Hood Fluid leaks

Tire

• Operate smoothly? • The lock system works properly? • Is there any leakage after parking? • Inflation pressure is correct? • Tire surfaces not worn or damaged? • Tires rotated according to the mainte- nance schedule? • Wheel nuts are not loose?

CAUTION

■If the hybrid system is operating

Turn off the hybrid system and ensure that there is adequate ventilation before performing maintenance checks.

414

4-2. Maintenance Emission inspection and maintenance (I/M) programs

Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system moni- tors the operation of the emission control system. ■ If the malfunction indicator lamp comes on

The OBD system determines that a problem exists somewhere in the emission control system. Your vehicle may not pass the I/ M test and may need to be repaired. Contact your Toyota dealer to service the vehicle.

■ Your vehicle may not pass the I/M test:

● When the 12 volt battery is disconnected or discharged

Readiness codes that are set during ordinary driving are erased. Also, depending on your driving habits, the readiness codes may not be completely set.

● When the fuel tank cap is loose

The malfunction indicator lamp comes on as a temporary mal- function and your vehicle may not pass the I/M test.

■ When the malfunction indicator lamp goes off after several

driving trips The error code in the OBD system will not be cleared unless the vehicle is driven 40 or more times.

■ If your vehicle does not pass the I/M test

Contact your Toyota dealer to prepare the vehicle for re-testing.

415

4-3. Do-it-yourself maintenance Do-it-yourself service precautions

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

Items

Parts and tools

12 volt battery condition

(→P. 436)

Engine/power control unit coolant level

(→P. 430)

• Grease • Conventional wrench (for terminal clamp bolts) • “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. For the U.S.A.: “Toyota Super Long Life Cool- ant” is pre-mixed with 50 % cool- ant and 50 % deionized water. For Canada: “Toyota Super Long Life Cool- ant” is pre-mixed with 55 % cool- ant and 45 % deionized water. • Funnel (used only for adding cool- ant)

416

4-3. Do-it-yourself maintenance

Items

Brake fluid level

(→P. 432)

Engine oil level

(→P. 426)

Fuses

(→P. 462)

Radiator and condenser

(→P. 432)

Tire inflation pressure (→P. 451)

Washer fluid

(→P. 434)

Parts and tools

• FMVSS No.116 DOT 3 or SAE J1703 brake fluid • Rag or paper towel • Funnel (used only for adding brake fluid) • “Toyota Genuine Motor Oil” or equivalent • Rag or paper towel • Funnel (used only for adding engine oil) • Fuse with same amperage rating as original

⎯

• Tire pressure gauge • Compressed air source • Water or washer fluid containing antifreeze (for winter use) • Funnel (used only for adding washer fluid)

417

4-3. Do-it-yourself maintenance

CAUTION

The engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically energized. To avoid death or serious injury observe the following precautions. ■When working on the engine compartment

●Keep hands, clothing, and tools away from the moving fan. ●Be careful not to touch the engine, power control unit, radiator, exhaust manifold, etc. right after driving as they may be hot. 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 expose an open flame to fuel. Fuel fumes

are flammable.

●Never touch, disassemble, remove or replace the high voltage parts, cables and their connectors. It can cause severe burns or electric shock that may result in death or serious injury.

●When the hybrid system is operating with the “READY” indicator on, the engine may suddenly start in some cases. When you inspect the engine compartment, be sure to turn off the hybrid system.

■When working near the electric cooling fan or radiator grille

Be sure the “POWER” switch is OFF. With the “POWER” switch in ON mode, the electric cooling fan may automat- ically start to run if the air conditioning is on and/or the coolant temperature is high. (→P. 432)

■Safety glasses

Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting in the eyes.

418

4-3. Do-it-yourself maintenance

NOTICE

■If you remove the air cleaner filter

Driving with the air cleaner filter removed may cause excessive engine wear due to dirt in the air. Also a backfire could cause a fire in the engine compart- ment.

419

4-3. Do-it-yourself maintenance Hood

Release the lock from the inside of the vehicle to open the hood.

Pull the hood release lever. The hood will pop up slightly.

Lift the hood catch and lift the hood.

ITO43P101

ITO43P103

STEP 1

STEP 2

420

4-3. Do-it-yourself maintenance

STEP 3
STEP 3

Hold the hood open by insert- ing the supporting rod into either of the slots.

421

4-3. Do-it-yourself maintenance

CAUTION

■Pre-driving check

Check that the hood is fully closed and locked. If the hood is not locked properly it may open while the vehicle is in motion and cause an accident, which may result in death or serious injury.

■After installing the support rod into the slot

Make sure the rod supports the hood securely from falling down on to your head or body.

NOTICE

■When closing the hood

Be sure to return the support rod to its clip before closing the hood. Closing the hood with the support rod up could cause the hood to bend.

422

4-3. Do-it-yourself maintenance Positioning a floor jack

When raising your vehicle with a floor jack, position the jack cor- rectly. Improper placement may damage your vehicle or cause injury.

Front

Rear

ITO43P105

ITO43P106

423

4-3. Do-it-yourself maintenance

CAUTION

■When raising your vehicle

Make sure to observe the following to reduce the possibility of death or seri- ous injury.

●Lift up the vehicle using a floor jack such as the one shown in the illustra- tion.

●When using a floor jack, follow the instructions of the manual provided with

the jack.

●Do not use the jack that was supplied with your vehicle. ●Do not put any part of your body or get underneath the vehicle supported

only by the floor jack. Always use automotive jack stands or a solid, flat, level surface.

●Do not start the hybrid system while the vehicle is supported by the floor

jack.

●Stop the vehicle on level firm ground, firmly set the parking brake and push

the “P” position switch.

●Make sure to set the floor jack properly at the jack point.

Raising the vehicle with an improperly positioned floor jack will damage the vehicle and may cause the vehicle to fall off the floor jack.

●Do not raise the vehicle while someone is in the vehicle. ●When raising the vehicle, do not place any objects on top of or underneath

the floor jack.

424

4-3. Do-it-yourself maintenance Engine compartment

Engine coolant reservoir

(→P. 430)

Engine oil level dipstick

(→P. 426)

Engine oil filler cap

(→P. 427) Power control unit coolant (→P. 430) reservoir

■12 volt battery

→P. 436

Brake fluid reservoir

Fuse box Radiator Condenser Electric cooling fans Washer fluid tank

(→P. 432) (→P. 462) (→P. 432) (→P. 432)

(→P. 434)

425

4-3. Do-it-yourself maintenance

Engine oil

With the engine at operating temperature and turned off, check the oil level on the dipstick. ■ Checking the engine oil STEP 1

Park the vehicle on level ground. After turning off the hybrid system, wait more than 5 minutes for the oil to drain back into the bottom of the engine.

STEP 2

Hold a rag under the end and pull the dipstick out.

STEP 3

STEP 4

STEP 5

STEP 6

Wipe the dipstick clean. Reinsert the dipstick fully. Holding a rag under the end, pull the dipstick out and check the oil level. Wipe the dipstick and reinsert it fully. Low Full

ITO43P108

426

■ Adding engine oil

4-3. Do-it-yourself maintenance

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

Make sure to check the oil type and prepare the items needed before adding oil.

Engine oil selection Oil quantity (Low → Full)

→P. 560

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

Items

Clean funnel

STEP 1

STEP 2

STEP 3

Remove the oil filler cap. Add engine oil slowly, checking the dipstick. Install the filler cap, turning it clockwise.

427

4-3. Do-it-yourself maintenance

■Engine oil consumption

●The amount of engine oil consumed depends on the oil viscosity, the

quality of the oil and the way the vehicle is driven.

●More oil is consumed under driving conditions such as high speeds, fre-

quent acceleration and deceleration.

●A new engine consumes more oil. ●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 accu- rately.

●Oil consumption: Max. 1.1 qt./600 miles, 0.9 Imp. qt./600 miles (1.0 L per

1000 km).

●If the vehicle consumes more than 1.1 qt. (1.0 L, 0.9 Imp.qt.) every 600

miles (1000 km), contact your Toyota dealer. ■After changing the engine oil (U.S.A. only)

STEP 2

The oil change system should be reset. Perform the following steps: STEP 1
Turn the “POWER” switch OFF with the trip meter A shown. Turn the “POWER” switch ON with the MPH or km/h button (→P. 183) held down. Keep pressing the button until the odometer indicates “000000” and the multi-information display indicates that the reset is complete.

STEP 3

428

4-3. Do-it-yourself maintenance

CAUTION

■Used engine oil

●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. To remove used engine oil from your skin, wash thoroughly with soap and water.

●Dispose of used oil and filters only in a safe and acceptable manner. Do not dispose of used oil and filters in household trash, in sewers or onto the ground. Call your Toyota dealer, service station or auto parts store for information concerning recycling or disposal.

●Do not leave used engine oil within the reach of children.

NOTICE

■To prevent serious engine damage Check the oil level on regular basis.

■When replacing the engine oil

●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 every time you refill the vehicle. ●Be sure the engine oil filler cap is properly retightened.

429

4-3. Do-it-yourself maintenance

Engine/power control unit coolant

The coolant level is satisfactory if it is between the “FULL” and “LOW” lines on the reservoir when the hybrid system is cold.

Engine coolant reservoir

ITO43P111

Power control unit coolant reservoir

Reservoir cap “FULL” “LOW” If the level is on or below the “LOW” line, add coolant up to the “FULL” line.

Reservoir cap Full Low If the level is on or below the “L” line, add coolant up to the “F” line.

■If the coolant level drops within a short time after replenishing

Visually check the radiator, hoses, reservoir cap, radiator cap, drain cock and water pump. If you cannot find a leak, have your Toyota dealer pressure test the cap and check for leaks in the cooling system.

430

4-3. Do-it-yourself maintenance

■Coolant selection

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.

U.S.A.: “Toyota Super Long Life Coolant” is a mixture of 50 % coolant and

50 % deionized water. (Enabled: -31 °F [-35 °C])

Canada: “Toyota Super Long Life Coolant” is a mixture of 55 % coolant

and 45 % deionized water. (Enabled: -44 °F [-42 °C])

For more details about engine coolant, contact your Toyota dealer.

CAUTION

■When the hybrid system is hot

Do not remove the coolant reservoir cap. The cooling system may be under pressure and may spray hot coolant if the cap is removed, causing burns or other injuries.

NOTICE

■When adding the coolant

Coolant is neither plain water not straight antifreeze. The correct mixture of water and anti freeze must be used to provide proper lubrication, corrosion protection and cooling. Be sure to read the antifreeze or coolant label.

■If you spill coolant

Be sure to wash it off with water to prevent it damage to parts or paint.

431

4-3. Do-it-yourself maintenance

Radiator and condenser

Check the radiator and condenser and clear any foreign objects. If either of the above parts are extremely dirty or you are not sure of their condition, have your vehicle checked by your Toyota dealer.

CAUTION

■When the hybrid system is hot

Do not touch the radiator or condenser, as they may be hot and may cause burns.

Brake fluid

■ Checking fluid level

The brake fluid level should be between the “MAX” and “MIN” lines on the tank.

ITO43P151

432

■ Adding fluid

4-3. Do-it-yourself maintenance

Push the tab in and lift the cover off.

Make sure to check the fluid type and prepare the necessary items.

ITO43P152

Fluid type

Items

FMVSS No.116 DOT 3 or SAE J1703 brake fluid Clean funnel

■Brake fluid can absorb moisture from the air

Excess moisture in the fluid can cause a dangerous loss of braking effi- ciency. Use only newly opened brake fluid.

CAUTION

■When filling the reservoir

Take care because brake fluid can harm your hands or eyes and damage painted surfaces. If fluid gets in your eyes, flush your eyes with clean water immediately. If you still experience discomfort, see a doctor.

433

4-3. Do-it-yourself maintenance

NOTICE

■If the fluid level is low

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 reservoir needs frequent refilling, it may indicate a serious problem.

Washer fluid

STEP 1

Open the lid.

Check the washer fluid level on the level gauge.

“NORMAL” “LOW”

ITO43P176

STEP 2

434

4-3. Do-it-yourself maintenance

STEP 3

If the washer fluid level is at “LOW”, add washer fluid.

ITO43P177

CAUTION

■When refilling the washer fluid

Do not refill the washer fluid when the hybrid system is hot or operating, as the washer fluid contains alcohol and may catch fire if spilled on the hybrid system etc.

NOTICE

■Do not use any fluid other than washer fluid

Do not use soapy water or engine antifreeze instead of washer fluid. Doing so may cause streaking on the vehicle’s painted surfaces.

■Diluting washer fluid

Dilute washer fluid with water as necessary. Refer to the freezing temperatures listed on the washer fluid tank.

435

4-3. Do-it-yourself maintenance 12 volt battery

■ Location

The 12 volt battery is located in the right-hand side of lug- gage compartment.

■ Removing the 12 volt battery cover STEP 1

Open the center auxiliary box. (→P. 385) Remove the center auxiliary box. (→P. 526)

Remove the 12 volt battery cover.

ITO43P184

Remove the 12 volt battery maintenance cover.

STEP 2

STEP 3

STEP 4

436

4-3. Do-it-yourself maintenance

■ 12 volt battery exterior

Make sure that the 12 volt battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps.

Terminals Hold-down clamp

■Before recharging

When recharging, the 12 volt battery produces hydrogen gas which is flam- mable and explosive. Therefore, before recharging: ●If recharging with the 12 volt battery installed on the vehicle, be sure to

disconnect the ground cable.

●Make sure the power switch on the charger is off when connecting and

disconnecting the charger cables to the 12 volt battery.

437

4-3. Do-it-yourself maintenance

■After recharging/reconnecting the 12 volt battery

●Unlocking the doors using the smart key system may not be possible immediately after disconnecting the 12 volt battery. If this happens, use the wireless remote control or the mechanical key to lock/unlock the doors.

●Start the hybrid system with the “POWER” switch in ACCESSORY mode. The hybrid system may not start with the “POWER” switch turned OFF. However, the hybrid system will operate normally from the second attempt.

●The “POWER” switch mode is recorded by the vehicle. If the battery is reconnected, the vehicle will return the “POWER” switch mode to the sta- tus it was in before the battery was disconnected. Make sure to turn off the power before disconnect the battery. Take extra care when connect- ing the battery if the “POWER” switch mode prior to discharge is unknown.

If the system will not start even after multiple attempts, contact your Toyota dealer.

CAUTION

■Chemicals in the 12 volt battery

The 12 volt battery contains poisonous and corrosive sulfuric acid and may produce hydrogen gas which is flammable and explosive. To reduce the risk of death or serious injury, take the following precautions while working on or near the 12 volt battery: ●Do not cause sparks by touching the 12 volt battery terminals with tools. ●Do not smoke or light a match near the 12 volt battery. ●Avoid contact with eyes, skin and clothes. ●Never inhale or swallow electrolyte. ●Wear protective safety glasses when working near the 12 volt battery. ●Keep children away from the 12 volt battery.

438

4-3. Do-it-yourself maintenance

CAUTION

■Where to safely charge the 12 volt battery

Always charge the 12 volt battery in an open area. Do not charge the 12 volt battery in a garage or closed room where there is not sufficient ventilation.

■How to recharge the 12 volt battery

Only perform a slow charge (4.2 A or less). The 12 volt battery may explode if charged at a quicker rate.

■Emergency measures regarding electrolyte

●If electrolyte gets in your eyes

Flush your eyes with clean water for at least 15 minutes and get immedi- ate medical attention. If possible, continue to apply water with a sponge or cloth while traveling to the nearest medical facility.

●If electrolyte gets on your skin

Wash the affected area thoroughly. If you feel pain or a burning sensation, seek medical attention immediately.

●If electrolyte gets on your clothes

It can soak through clothing on to your skin. Immediately take off the cloth- ing and follow the procedure above if necessary.

●If you accidentally swallow electrolyte

Drink a large quantity of water or milk. Get emergency medical attention immediately.

439

4-3. Do-it-yourself maintenance

CAUTION

■When disconnecting the 12 volt battery

Do not disconnect the negative (-) termi- nal on the body side as shown. The dis- connected negative (-) terminal may touch the positive (+) terminal, which may cause a short and result in death or seri- ous injury.

NOTICE

■When recharging the 12 volt battery

Never recharge the 12 volt battery while the hybrid system is operating. Also, be sure all accessories are turned off.

440

4-3. Do-it-yourself maintenance Tires

Replace or rotate tires in accordance with maintenance sched- ules and treadwear. ■ Checking tires

■ Tire rotation

Front

location of

New tread Treadwear indicator Worn tread The treadwear indicators is shown by the “TWI” or “Δ” marks, etc., molded on the sidewall of each tire. Check spare tire condition and inflation pressure if not rotated.

ITO43P115

Rotate the tires in the order shown.

To equalize tire wear and extend tire life, Toyota recom- mends that tire rotation is carried out at the same inter- val as tire inspection. Do not fail to initialize the tire pressure warning system after tire rotation.

441

4-3. Do-it-yourself maintenance

■ The tire pressure warning system

Your Toyota is equipped with a tire pressure warning system that uses tire pressure warning valves and transmitters to detect low tire inflation pressure before serious problems arise. (→P. 499) The compact spare tire is not equipped with a tire pressure warning valve and transmitter.

Installing tire pressure warning valves and transmitters

When replacing tires or wheels, tire pressure warning valves and transmitters must also be installed. When new tire pressure warning valves and transmitters are installed, new tire pressure warning valve and transmitter ID codes must be registered in the tire pressure warning computer and tire pressure warning system must be initialized. Have tire pressure warning valve and transmitter ID codes registered by Toyota dealer. (→P. 444)

Initializing the tire pressure warning system

■ The tire pressure warning system must be initialized in the fol-

lowing circumstances ● When rotating the tires on vehicles differing with front and rear

tire inflation pressures.

● When changing the tire inflation pressure by changing traveling

speed or load weight, etc.

● When changing the tire size. When the tire pressure warning system is initialized, the current tire inflation pressure is set as the pressure benchmark.

442

4-3. Do-it-yourself maintenance

■ How to initialize the tire pressure warning system STEP 1

Park the vehicle in safe place and turn the “POWER” switch OFF. While the vehicle is moving, initialization is not performed. Adjust the tire inflation pressure to the specified cold tire infla- tion pressure level. (→P. 565) Make sure to adjust the tire pressure to the specified cold tire inflation pressure level. The tire pressure warning system will operate based on this pressure level. Turn the “POWER” switch to ON mode.

STEP 2

STEP 3

STEP 4

Push and hold the tire pressure warning reset switch until the tire pressure warning light blinks slowly 3 times.

STEP 5

Wait for a few minutes with the ON mode, and then turn “POWER” switch OFF.

443

4-3. Do-it-yourself maintenance

Registering ID codes

The tire pressure warning valve and transmitter is equipped with a unique ID code. When replacing a tire pressure warning valve and transmitter, it is necessary to register the ID code of tire pressure warning valve and transmitter. Have the ID code registered by your Toyota dealer.

■When to replace your vehicle’s tires

Tires should be replaced if: ●You have tire damage such as cuts, splits, cracks deep enough to

expose the fabric or bulges indicating internal damage

●A tire goes flat repeatedly or cannot be properly repaired due to the size

or location of a cut or other damage

If you are not sure, consult with your Toyota dealer.

■Replacing tires and wheels

If the ID code of the tire pressure warning valve and transmitter is not regis- tered, the tire pressure warning system will not work properly. After driving for about 20 minutes, the tire pressure warning light comes on after blinking for 1 minute to indicate a system malfunction.

444

4-3. Do-it-yourself maintenance

■Tire life

Any tire over 6 years old must be checked by a qualified technician even if they have seldom or never been used or damage is not obvious. ■If the tread wears down below 0.16 in. (4 mm) on snow tires

The effectiveness of snow tires is lost.

■Low profile tires (vehicles with 17-inch tires)

Generally, low profile tires will wear more rapidly and tire grip performance will be reduced on snowy and/or icy roads when compared to standard tires. Be sure to use snow tires or tire chains on snowy and/or icy roads and drive carefully at a speed appropriate for road and weather conditions.

■Maximum load of tire

Check that the maximum load of the replacement 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.

For the GAWR, see the Certification Label. For the maximum load of the tire, see the load limit at maximum cold tire inflation pressure mentioned on the sidewall of the tire.(→P. 572)

445

4-3. Do-it-yourself maintenance

■Tire types

1 Summer tires

Summer tires are high-speed performance 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 roads or icy roads, the use of snow tires is recommended. When 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 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 and handling performance compared with summer tires in highway driving.

3 Snow tires

For driving on snow-covered roads or icy roads, we recommend using snow tires. If you need snow tires, select tires of the same size, con- struction and load capacity as the originally installed tires. 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 restriction. Snow tires should be installed on all wheels. (→P. 261)

446

4-3. Do-it-yourself maintenance

■Initializing the tire pressure warning system

Initialize the tires with the tire inflation pressure adjusted to the specified level.

■If you push the tire pressure warning reset switch accidentally

If initialization is performed, adjust the tire inflation pressure to the speci- fied level and initialize the tire pressure warning system again.

■When the initialization of the tire pressure warning system has

failed Initialization can be completed in a few minutes. However, in the following cases, the settings have not been recorded and the system will not operate properly. If repeated attempts to record tire inflation pressure settings are unsuccessful, have the vehicle inspected by your Toyota dealer. ●When operating the tire pressure warning reset switch, the tire pres-

sure warning light does not flash 3 times.

●After carrying out the initialization procedure, the tire pressure warn-

ing light blinks for 1 minute then stays on after driving 20 minutes.

■Routine tire inflation pressure checks

The tire pressure warning system does not replace routine tire inflation pressure checks. Make sure to check tire inflation pressure as part of your routine of daily vehicle checks.

447

4-3. Do-it-yourself maintenance

■Tire pressure warning system certification

FCC ID: PAXPMV107J FCC ID: PAXPMV108J FCC ID: HYQ13BDE IC ID: 3729A-PMV107J IC ID: 3729A-PMV108J IC ID: 1551A-13BDE

For vehicles sold in the U.S.A. NOTE: This device complies with Part 15 of the FCC Rules. Operation is sub- ject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC WARNING: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. For vehicles sold in Canada NOTE: Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any inter- ference, including interference that may cause undesired operation of the device.

448

4-3. Do-it-yourself maintenance

CAUTION

■When inspecting or replacing tires

Observe the following precautions to prevent accidents. Failure to do so may cause damage to parts of the drive train, as well as dangerous han- dling characteristics, which may lead to an accident resulting in death or serious injury. ●Do not mix tires of different makes, models or tread patterns.

Also, do not mix tires of remarkably different treadwear.

●Do not use tire sizes other than those recommended by Toyota. ●Do not mix differently constructed tires (radial, bias-belted or bias-ply

tires).

●Do not mix summer, all season and winter tires. ●Do not use tires that have been used on another vehicle.

Do not use tires if you do not know how they were used previously.

■When initializing the tire pressure warning system

Do not push the tire pressure warning reset switch without first adjusting the tire inflation pressure to the specified level. Otherwise, the tire pres- sure warning light may not come on even if the tire inflation pressure is low, or it may come on when the tire inflation pressure is actually normal.

449

4-3. Do-it-yourself maintenance

NOTICE

■Repairing or replacing tires, wheels and tire pressure warning

valves and transmitters When removing or fitting the wheels, tires or the tire pressure warning valve and transmitter, contact your Toyota dealer as the tire pressure warning valve and transmitter may be damaged if not handled correctly. ■To avoid damaging the tire pressure warning valves and transmit-

ters Do not use liquid sealants on flat tires.

■Driving on rough roads

Take particular care when driving on roads with loose surfaces or pot- holes. These conditions may cause losses in tire inflation pressure, reducing the cushioning ability of the tires. In addition driving on rough roads may cause damage to the tires themselves, as well as the vehicle’s wheels and body.

■Low profile tires (215/45R17 tires)

Low profile tires may cause greater damage than usual to the wheel when receiving impact from the road surface. Therefore pay attention to the following: ●Be sure to use proper tire inflation pressure. If tires are under-inflated,

they may be damaged more severely.

●Avoid pot holes, uneven pavement, curbs and other road hazards.

Failure to do so can lead to severe tire and wheel damage.

■If tire inflation pressures become low while driving

Do not continue driving, or your tires and/or wheels may be ruined.

450

4-3. Do-it-yourself maintenance Tire inflation pressure

■ Tire inflation pressure

The recommended cold tire inflation pressure and tire size is dis- played on the tire and loading information label. (→P. 565)

451

4-3. Do-it-yourself maintenance

■ Inspection and adjustment procedure

Tire valve Tire pressure gauge

ITO43P117

STEP 1

STEP 2

STEP 3

STEP 4

STEP 5

STEP 6

Remove the tire valve cap. Press the tip of the tire pressure gauge onto the tire valve. Read the pressure using the graduations of the gauge. If the tire inflation pressure is not within the recommended levels, adjust tire pressure. If you add too much air, press the center of the valve to lower. After completing the tire inflation pressure measurement and adjustment, apply soapy water to the valve and check for leakage. Reinstall the tire valve cap.

■Tire inflation pressure check interval

You should check tire inflation pressure every 2 weeks, or at least once a month. Do not forget to check the spare.

452

4-3. Do-it-yourself maintenance

■Effects of incorrect tire inflation pressure

Driving with incorrect tire inflation pressure may result in the following: ●Reduced fuel efficiency ●Reduced driving comfort and tire life ●Reduced safety ●Damage to the drive train If a tire needs frequent refilling, have it checked by your Toyota dealer.

■Instructions for checking tire inflation pressure

When checking tire inflation pressure, observe the following: ●Check 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 mile or 1.5 km, you will get an accurate cold tire inflation pressure reading.

●Always use a tire pressure gauge.

The appearance of the tire can be misleading. In addition, tire infla- tion 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 placed so that the vehicle is balanced.

453

4-3. Do-it-yourself maintenance

CAUTION

■Proper inflation is critical to save tire performance

Keep your tires properly inflated. Otherwise, the following conditions may occur and result in an accident causing death or serious injury. ●Excessive wear ●Uneven wear ●Poor handling ●Possibility of blowouts resulting from overheated tires ●Poor sealing of the tire bead ●Wheel deformation and/or tire separation ●A greater possibility of tire damage from road hazards

NOTICE

■When inspecting and adjusting tire inflation pressure

Be sure to reinstall the tire valve caps. Without the valve caps, dirt or moisture could get into the valve and cause air leakage, which could result in an accident. If the caps have been lost, replace them as soon as possible.

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4-3. Do-it-yourself maintenance Wheels

If a wheel is bent, cracked or heavily corroded, it should be replaced. Otherwise, the tire may separate from the wheel or cause loss of handling control. ■ 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 inset*. Replacement wheels are available at your Toyota dealer. *: Conventionally referred to as “offset”. Toyota does not recommend using: ● Wheels of different sizes or types ● Used wheels ● Bent wheels that have been straightened

■ Aluminum wheel precautions

● Use only Toyota wheel nuts and wrenches designed for use

with your aluminum wheels.

● When rotating, repairing or changing your tires, check that the

wheel nuts are still tight after driving 1000 miles (1600 km).

● Be careful not to damage the aluminum wheels when using

tire chains.

● Use only Toyota genuine balance weights or equivalent and a

plastic or rubber hammer when balancing your wheels.

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4-3. Do-it-yourself maintenance

■When replacing wheels

The wheels of your Toyota are equipped with tire pressure warning valves and transmitters that allow the tire pressure warning system to provide advanced warning in the event of a loss in tire inflation pressure. Whenever wheels are replaced, the tire pressure warning valves and transmitters must be installed. (→P. 442)

CAUTION

■When replacing wheels

●Do not use wheels that are a different size from those recommended in

the Owner’s Manual, as this may result in loss of handling control.

●Never use an inner tube in a leaking wheel which is designed for a tubeless tire. Doing so may result in an accident, causing death or seri- ous injury.

NOTICE

■Replacing tire pressure warning valves and transmitters

●Because tire repair or replacement may affect the tire pressure warn- ing valves and transmitters, make sure to have tires serviced by your Toyota dealer or other qualified service shop. In addition, make sure to purchase your tire pressure warning valves and transmitters at your Toyota dealer.

●Ensure that only genuine Toyota wheels are used on your vehicle.

Tire pressure warning valves and transmitters may not work properly with non-genuine wheels.

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4-3. Do-it-yourself maintenance Air conditioning filter

The air conditioning filter must be cleaned or changed regularly to maintain air conditioning efficiency. ■ Removal method STEP 1

Turn the “POWER” switch OFF. Vehicles with Solar Ventilation System: Turn the Solar Ven- tilation System off and make sure not to operate the Remote Air Conditioning System.

STEP 2

STEP 3

Open the glove box. Slide off the damper.

Push each side of the glove box to release the pins. Then disconnect the claws at the bottom and remove the glove box.

ITO43P119

ITO43P121

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4-3. Do-it-yourself maintenance

STEP 4

Remove the filter cover.

STEP 5

Remove the filter.

ITO43P123

■ Cleaning method

ITO43P168

If the filter is dirty, clean by air blowing through the downward side.

compressed from

filter

the

Hold the air gun 2 in. (5 cm) from the filter and blow for approximately 2 minutes at 72 psi (500 kPa, 5.0 kgf/cm2 or bar). If it is not available, have the filter cleaned by your Toyota dealer.

458

■ Replacement method

4-3. Do-it-yourself maintenance

Replace the air conditioning filter with a new one.

The “↑UP” marks shown on the filter should be pointing up.

ITO43P125

■Checking interval

Inspect, clean and replace the air conditioning filter according to the mainte- nance schedule. In dusty areas or areas with heavy traffic flow, early replacement may be required. (For scheduled maintenance information, refer to the “Owner’s Manual Supplement/Scheduled Maintenance Guide”.)

■If air flow from the vents decreases dramatically

The filter may be clogged. Check the filter and replace if necessary.

NOTICE

■To prevent damage to the system

●When using the air conditioning system, make sure that a filter is always

installed.

●When cleaning the filter, do not clean the filter with water.

459

4-3. Do-it-yourself maintenance Electronic key battery

Replace the battery with a new one if it is discharged. ■ You will need the following items:

● Flathead screwdriver (To prevent damage to the key, cover

the tip of the screwdriver with rag)

● Small Phillips-head screwdriver ● Lithium battery (CR1632)

■ Replacing the battery STEP 1

Take out the mechanical key.

STEP 2

Remove the cover.

Remove the depleted battery.

Insert a new battery with the “+” terminal facing up.

STEP 3

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4-3. Do-it-yourself maintenance

■If the electronic key battery is discharged

The following symptoms may occur. ●The smart key system and wireless remote control will not function prop-

erly.

●The operational range is reduced.

■Use a CR1632 lithium battery

●Batteries can be purchased at your Toyota dealer, jewelers, or camera

stores.

●Replace only with the same or equivalent type recommended by a

Toyota dealer.

●Dispose of used batteries according to the local laws.

CAUTION

■Removed battery and other parts

Keep away from children. These parts are small and if swallowed by a child they can cause choking.

NOTICE

■For normal operation after replacing the battery

Observe the following precautions to prevent accidents. ●Always work with dry hands.

Moisture may cause the battery to rust.

●Do not touch or move any other components inside the electronic key. ●Do not bend the battery terminals.

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4-3. Do-it-yourself maintenance Checking and replacing fuses

If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary. STEP 1

Turn the “POWER” switch OFF. Vehicles with Solar Ventilation System: Turn the Solar Ven- tilation System off and make sure not to operate the Remote Air Conditioning System. Open the fuse box cover.

STEP 2

Engine compartment

Push the tabs in and lift the lid off.

Left side instrument panel

ITO43P127

Remove the lid.

ITO43P129

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4-3. Do-it-yourself maintenance

STEP 3

After a system failure, see “Fuse layout and amperage rat- ings” (→P. 465) for details about which fuse to check.

STEP 4

Remove the fuse with the pull- out tool.

ITO43P131

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4-3. Do-it-yourself maintenance

STEP 5

Check if the fuse has blown.

Type A

ITY42C012

Type B

Type C

464

ITO43P161

Normal fuse Blown fuse Replace it with one of an appropriate amperage rating. The amperage rating can be found on the fuse box lid.

Normal fuse Blown fuse it with one of an Replace appropriate amperage rating. The amperage rating can be found on the fuse box lid.

Normal fuse Blown fuse Contact your Toyota dealer.

4-3. Do-it-yourself maintenance

Fuse layout and amperage ratings

■ Engine compartment

1 2 3

4 5 6

8 9 10 111213 14 15 161718

19 20 21 22

25 26 27

282930 3132

23

24

33

34

353637

38

39

40

FUSE

Ampere

Circuit

ITO43P132

HTR RDI CDS S-HORN ENG W/P ABS MAIN NO.2
H-LP CLN AMP IGCT

10 DC/DC-S

11 P CON MAIN

50A 30A 30A 10A 30A

Air conditioning system Electric cooling fans Electric cooling fans No circuit Cooling system

7.5A

Anti-lock brake system

30A 30A 30A 5A

7.5A

Headlight cleaner Audio system PCU, IGCT NO.2, IGCT NO.3
Inverter and converter Parking control system, transmis- sion

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4-3. Do-it-yourself maintenance

FUSE

Ampere

Circuit

12 AM2
13 ECU-B2
14 MAYDAY 15 ECU-B3
16 TURN & HAZ

17 ETCS

18 ABS MAIN

NO.1

19 P/I 2

20 ABS MTR 1
21 ABS MTR 2

22 H-LP HI MAIN

23 P/I 1
24 EPS 25 PCU

26

IGCT NO.2

7.5A 7.5A 10A 10A 10A

10A

Power windows Smart key system No circuit Air conditioning system Turn signal lights Multiport fuel injection system/ sequential multiport fuel injection