Lexus CT 200h User Manual

4-3. Do-it-yourself maintenance

Do-it-yourself service precautions

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

Items Parts and tools

•Grease

12-volt battery condition (→P. 51 1)

Brake fluid level (→P. 5 08 )

• Conventional wrench

(for terminal clamp bolts)

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

•Rag or paper towel

• Funnel (used only for adding brake fluid)

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Items Parts and tools

Engine/power control unit coolant level (→P. 5 04 )

• “Toyota Super Long Life Coolant” or a similar high quality ethylene glycol-based non-silicate, nonamine, non-nitrite and non-borate coolant with long-life hybrid organic acid technology For the U.S.A.: “Toyota Super Long Life Coolant” is pre-mixed with 50% coolant and 50% deionized water. For Canada: “Toyota Super Long Life Coolant” is pre-mixed with 55% coolant and 45% deionized water.

• Funnel (used only for adding coolant)

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Items Parts and tools

Engine oil level (→P. 500)

4-3. Do-it-yourself maintenance

• “Toyota Genuine Motor Oil” or equivalent

•Rag or paper towel

• Funnel (used only for adding engine oil)

Fuses (→P. 542 )

Light bulbs (→P. 5 54 )

Radiator and condenser (→P. 5 07

Tire inflation pressure (→P. 5 30)

Was he r f lu id (→P. 51 0)

• Fuse with same amperage rating as original

• Bulb with same number and wattage rating as original

• Phillips-head screwdriver

•Flathead screwdriver

•Wrench

)

⎯

• Tire pressure gauge

• Compressed air source

• Water or washer fluid containing antifreeze (for winter use)

• Funnel (used only for adding water or washer fluid)

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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.

n When working on the engine compartment

l Make sure that the indicator on the “POWER” switch and the “READY” indicator

are both off.

l Keep hands, clothing and tools away from the moving fan and engine drive belt. l 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.

l Do not leave anything that may burn easily, such as paper and rags, in the engine

compartment.

l Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes are flam-

mable.

n When working near the electric cooling fans or radiator grille

Be sure the “POWER” switch is off. With the “POWER” switch in ON mode, the electric cooling fans may automatically start to run if the air conditioning is on and/or the coolant temperature is high. (→P. 5 07 )

n Safety glasses

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

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NOTICE

n 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 compartment.

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Hood

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

STEP 1

STEP 2

STEP 3

Pull the hood release lever.

The hood will pop up slightly.

Pull up the auxiliary catch lever and lift the hood.

Hold the hood open by inserting the supporting rod into the slot.

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CAUTION

n 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.

n 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

n When closing the hood

Be sure to return the support rod to its clip before closing the hood. Closing the hood without returning the support rod properly could cause the hood to bend.

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Positioning a floor jack

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

Fron t

Rear

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CAUTION

n When raising your vehicle

Make sure to observe the following precautions to reduce the possibility of death or serious injury:

l Lift up the vehicle using a floor jack such as

the one shown in the illustration.

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

jack.

l Do not use the jack that was supplied with your vehicle. l Do not put any part of your body underneath the vehicle when it is supported

only by the floor jack.

l Always use floor jack and/or automotive jack stands on a solid, flat, level surface. l Do not start the hybrid system while the vehicle is supported by the floor jack. l Stop the vehicle on level, firm ground, firmly set the parking brake and shift the

shift position to P.

l 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.

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

floor jack.

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Engine compartment

Engine coolant reservoir

(→P. 5 04 )

Engine oil level dipstick

(→P. 5 00 )

Engine oil filler cap (→P. 50 0) Power control unit coolant

reservoir (→P. 504 )

n 12-volt battery

→P. 5 11

498

Brake fluid reservoir

(→P. 5 08 ) Fuse box (→P. 542 ) Radiator (→P. 507 ) Condenser (→

P. 5 07 )

Electric cooling fans Washer fluid tank (→

P. 5 10 )

CT200h_U (OM76004U)

Engine compartment cover

n Removing the engine compartment cover

n Installing the clips

Push up center portion Insert Press

4-3. Do-it-yourself maintenance

NOTICE

n After installing an engine compartment cover

Make sure that the cover is securely installed in its original position.

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Engine oil

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

n 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

STEP 3

STEP 4

STEP 5

STEP 6

Holding a rag under the end, pull the dipstick out.

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

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n Adding engine oil

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

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

Engine oil selection →P. 654

Oil quantity

(Low → Full)

Items Clean funnel

STEP 1

STEP 2

STEP 3

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

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

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n Engine oil consumption

l The amount of engine oil consumed depends on the oil viscosity, the quality of

the oil and the way the vehicle is driven.

l More oil is consumed under driving conditions such as high speeds and fre-

quent acceleration and deceleration.

l A new engine consumes more oil. l 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.

l Oil consumption: Max. 1.1 qt./600 miles (1.0 L/1000 km, 0.9 lmp.qt./600

miles)

l If your vehicle consumes more than 1.1 qt. (1.0 L, 0.9 lmp.qt.) every 600 miles

(1000 km), contact your Lexus dealer.

n After changing the engine oil (U.S.A. only)

The engine oil maintenance data should be reset. Perform the following procedures:

STEP 1

Switch the display to the trip meter “A” (→P. 188) when the hybrid system is operating.

STEP 2

STEP 3

Turn the “POWER” switch off. While pressing the trip meter reset button (→P. 188), turn the “POWER”

switch to ON mode (do not start the hybrid system because otherwise the reset mode will be canceled). Continue to press and hold the button until the trip meter displays “000000” and the multi-information display indicates that the reset is complete.

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CAUTION

n Used engine oil

l Used engine oil contains potentially harmful contaminants which may cause skin

disorders such as inflammation and 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.

l Dispose of used oil and filters only in a safe and acceptable manner. Do not dis-

pose of used oil and filters in household trash, in sewers or onto the ground. Call your Lexus dealer, service station or auto parts store for information concerning recycling or disposal.

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

NOTICE

n To prevent serious engine damage

Check the oil level on a regular basis.

n When replacing the engine oil

l Be careful not to spill engine oil on the vehicle components. l Avoid overfilling, or the engine could be damaged. l Check the oil level on the dipstick every time you refill the vehicle. l Be sure the engine oil filler cap is properly tightened.

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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

Reservoir cap “FULL” line “LOW” line

If the level is on or below the “LOW” line, add coolant up to the “FULL” line. (→P. 657 )

Power control unit coolant reservoir

Reservoir cap “FULL” line “LOW” line

504

If the level is on or below the “LOW” line, add coolant up to the “FULL” line. (→P. 657 )

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4-3. Do-it-yourself maintenance

n Coolant selection

Only use “Toyota Super Long Life Coolant” or a 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. (Minimum temperature: -31 °F [-35 °C])

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

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

For more details about coolant, contact your Lexus dealer.

n If the coolant level drops within a short time of replenishing

Visually check the radiator, hoses, engine/power control unit coolant reservoir caps, drain cock and water pump. If you cannot find a leak, have your Lexus dealer test the cap and check for leaks in the cooling system.

CAUTION

n When the hybrid system is hot

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

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NOTICE

n When adding coolant

Coolant is neither plain water nor straight antifreeze. The correct mixture of water and antifreeze must be used to provide proper lubrication, corrosion protection and cooling. Be sure to read the antifreeze or coolant label.

n If you spill coolant

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

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Radiator and condenser

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

CAUTION

n When the hybrid system is hot

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

n When the electric cooling fans are operating

Do not touch the engine compartment. The electric cooling fans may keep rotating for about 3 minutes even after the “POWER” switch is off. With the “POWER” switch in ON mode, the electric cooling fans may automatically start to run if the air conditioning is on and/or the coolant temperature is high. Be sure the “POWER” switch is off when working near the electric cooling fans or radiator grille.

Maintenance and care

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Brake fluid

n Checking fluid level

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

n Adding fluid

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

Fluid type FMVSS No.116 DOT 3 or SAE J1703 brake fluid

Items Clean funnel

n Brake fluid can absorb moisture from the air

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

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CAUTION

n When filling the reservoir

Take care as brake fluid can harm your hands and eyes and damage painted surfaces. If fluid gets on your hands or in your eyes, flush the affected area with clean water immediately.

If you still experience discomfort, see a doctor.

NOTICE

n If the fluid level is low or high

It is normal for the brake fluid level to go down slightly as the brake pads wear out or when the fluid level in the accumulator is high. If the reservoir needs frequent refilling, there may be a serious problem.

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Washer fluid

If any washer does not work or the warning message appears on the multi-information display, the washer tank may be empty. Add washer fluid.

CAUTION

n When adding washer fluid

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

NOTICE

n 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.

n Diluting washer fluid

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

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12-volt battery

n Location

n Removing the 12-volt battery cover

STEP 1

STEP 2

Open the center and right side auxiliary boxes. (→P. 4 47) Remove the center auxiliary box. (→P. 61 6)

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

STEP 3

STEP 4

Remove the right side auxiliary box.

Maintenance and care

Remove the 12-volt battery maintenance cover.

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n 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

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