2009 Honda Civic Hybrid Owners Manual

positive ( battery. Connect the other end to the positive ( ) terminal on the ＋ booster battery.

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Jump Starting

If your vehicle’s 12 volt battery is disconnected or goes dead, the IMA battery level gauge reading will not be correct the next time you turn the ignition switch to the ON (II) position. It will show less than the actual level temporarily. It will show the correct level after you drive for at least 30 minutes.

6.

7.

Start the vehicle. If the starter motor still operates slowly, check that the jumper cables have good metal-to-metal contact.

Once your vehicle is running, disconnect the negative cable from your vehicle, then from the booster battery. Disconnect the positive cable from your vehicle, then from the booster battery.

Keep the ends of the jumper cables away from each other and any metal on the vehicle until everything is disconnected. Otherwise, you may cause an electrical short.

4.

−

Connect the second jumper cable to the negative ( ) terminal on the booster battery. Connect the other end to the grounding strap as shown. Do not connect this jumper cable to any other part of the engine.

5.

If the booster battery is in another vehicle, have an assistant start that vehicle and run it at a fast idle.

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The reading on the vehicle’s temperature gauge should stay in the midrange. If it climbs to the red mark, you should determine the reason (hot day, driving up a steep hill, etc.).

When the current fuel mileage is shown on the display, the temperature gauge will interrupt on the display and blink for several times if the coolant temperature rises to 224°F (118°C) or more. At the same time, the beeper sounds once.

If your vehicle overheats, you should take immediate action. The only indication may be the temperature gauge climbing to or above the red mark. Or you may see steam or spray coming from under the hood.

Driving with the temperature gauge reading at the red mark can cause serious damage to your engine.

Steam and spray from an overheated engine can seriously scald you.

Do not open the hood if steam is coming out.

1.

Safely pull to the side of the road. Put the transmission in Park, and set the parking brake. Turn off all accessories, and turn on the hazard warning lights.

If the Engine Overheats

2.

3.

If you see steam and/or spray coming from under the hood, turn off the engine. Wait until you see no more signs of steam or spray, then open the hood.

If you do not see steam or spray, leave the engine running, and watch the temperature gauge. If the high heat is due to overloading, the engine should start to cool down almost immediately. If it does, wait until the temperature gauge reading comes down to the midpoint, then continue driving.

4.

If the temperature gauge stays at the red mark, turn off the engine.

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If the Engine Overheats

5.

6.

7.

Look for any obvious coolant leaks, such as a split radiator hose. Everything is still extremely hot, so use caution. If you find a leak, it must be repaired before you Emergency continue driving (see Towing ). 345

on page

If you don’t find an obvious leak, check the coolant level in the radiator reserve tank (see page ). Add coolant if the level is 258
below the MIN mark.

If there was no coolant in the reserve tank, you may need to add coolant to the radiator. Let the engine cool down until the reading reaches the middle of the temperature gauge or lower before checking the radiator.

334

Removing the radiator cap while the engine is hot can cause the coolant to spray out, seriously scalding you.

Always let the engine and radiator cool down before removing the radiator cap.

9.

Start the engine, and set the interior temperature to maximum. Add coolant to the radiator up to the base of the filler neck. If you do not have the proper coolant mixture available, you can add plain water. Remember to have the cooling system drained and refilled with the proper mixture as soon as you can.

8.

Using gloves or a large heavy cloth, turn the radiator cap counterclockwise, without pushing down, to the first stop. After the pressure releases, push down on the cap, and turn it until it comes off.

10.

11.

Put the radiator cap back on tightly. Run the engine, and check the temperature gauge. If it goes back to the red mark, the engine needs repair (see Towing on page

Emergency 345

).

If the temperature stays normal, check the coolant level in the radiator reserve tank. If it has gone down, add coolant to the MAX mark. Put the cap back on tightly.

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This indicator should never come on when the engine is running. If it starts flashing or stays on, the oil pressure has dropped very low or lost pressure. Serious engine damage is possible, and you should take immediate action.

Running the engine with low oil pressure can cause serious mechanical damage almost immediately. Turn of f the engine as soon as you can saf ely get the vehicle stopped.

1.

2.

3.

4.

Low Oil Pressure Indicator

The engine running generates the oil pressure. When the Auto Idle Stop is activated, the engine is stopped, the oil pressure is dropped, and the low oil pressure indicator does not come on.

Safely pull off the road, and shut off the engine. Turn on the hazard warning lights.

Let the vehicle sit for a minute. Open the hood, and check the oil level (see page ). An engine very low on oil can lose pressure during cornering and other driving maneuvers.

257

If necessary, add oil to bring the level back to the full mark on the dipstick (see page

297

).

Start the engine and watch the oil pressure indicator. If it does not go out within 10 seconds, turn off the engine. There is a mechanical problem that needs to be repaired before you can continue driving (see 345

Emergency Towing ).

on page

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Charging System Indicator

If the charging system indicator comes on brightly

when the engine is running, the 12
volt battery is not being charged.

If the Auto Idle Stop is active for an extended period, the charging system indicator may come on. If it happens, start the engine.

Immediately turn off all electrical accessories. Try not to use other electrically operated controls such as the power windows. Keep the engine running; starting the engine will discharge the battery rapidly.

Go to a service station or garage where you can get technical assistance.

The charging system indicator may also come on if the Integrated Motor Assist (IMA) battery charge drops below a desired level and the engine starts to recharge the battery.

This indicator may blink after you start the vehicle in the morning when the temperature is below 20
− °F ( 30°C). It will stop blinking when the IMA battery warms up.

−

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If the indicator comes on while driving, it means one

of the engine’s emissions control systems may have a problem. Even though you may feel no difference in your vehicle’s performance, it can reduce your fuel economy and cause increased emissions. Continued operation may cause serious damage.

If you have recently refueled your vehicle, the indicator coming on could be due to a loose or missing fuel fill cap. You will also see a ‘‘CHECK FUEL CAP’’ message on the information display. Tighten the cap until it clicks at least once. Tightening the cap will not turn the indicator off immediately; it can take several days of normal driving.

Malfunction Indicator Lamp

If the indicator comes on repeatedly, even though it may turn off as you continue driving, have your vehicle checked by your dealer as soon as possible.

If your vehicle’s battery has been disconnected or gone dead, these codes are erased. It can take several days of driving under various conditions to set the codes again.

To check if they are set, turn the ignition switch to the ON (II) position, without starting the engine. The malfunction indicator lamp will come on for 20 seconds. If it then goes off, the readiness codes are set. If it blinks five times, the readiness codes are not set. If possible, do not take your vehicle for an emissions test until the readiness codes are set. Emissions Testing Refer to more information (see page

for 360

).

If you keep driving with the Malf unction Indicator Lamp on, you can damage your vehicle’s emissions controls and engine. Those repairs may not be covered by your vehicle’s warranties. This indicator may also come on with the ‘‘D’’ indicator.

Readiness Code Your vehicle has certain ‘‘readiness codes’’ that are part of the on-board diagnostics for the emissions systems. In some states, part of the emissions testing is to make sure these codes are set. If they are not set, the test cannot be completed.

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Brake System Indicator

However, if the brake pedal does not feel normal, you should take immediate action. A problem in one part of the system’s dual circuit design will still give you braking at two wheels. You will feel the brake pedal go down much farther before the vehicle begins to slow down, and you will have to press harder on the pedal.

Slow down by shifting to a lower gear, and pull to the side of the road when it is safe. Because of the long distance needed to stop, it is hazardous to drive the vehicle. You should have it towed and repaired as soon as possible (see Towing 345

Emergency ).

on page

If you must drive the vehicle a short distance in this condition, drive slowly and carefully.

If the ABS indicator comes on with the brake system indicator, have your vehicle inspected by your dealer immediately.

If the brake system indicator (amber) comes on with the parking brake system indicator (red) with the parking brake released, there may be a malfunction with the power-assist feature. When the power-assist feature malfunctions, the brake indicator (red) comes on and a buzzer sounds for a second. The power-assist feature may stop when the brake effect is weak. Stop your vehicle immediately at a safe place and contact a dealer.

U.S.

Canada

The brake system indicator normally comes on when you turn the ignition switch to the ON (II) position and as a reminder to check the parking brake. It will stay on if you do not fully release the parking brake.

If the brake system indicator comes on while driving, the brake fluid level is probably low. Press lightly on the brake pedal to see if it feels normal. If it does, check the brake fluid level the next time you stop at a service station (see page

304

).

If the fluid level is low, take your vehicle to a dealer, and have the brake system inspected for leaks or worn brake pads.

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INTERIOR

UNDER-HOOD (PRIMARY)

UNDER-HOOD (SECONDARY)

FUSE LABEL

The vehicle’s fuses are contained in three fuse boxes.

The interior fuse box is underneath the steering column.

TAB

The primary and secondary under- hood fuse boxes are in the engine compartment on the driver’s side.

Fuses

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Fuses

and

Checking and Replacing Fuses If something electrical in your vehicle stops working, the first thing you should check for is a blown fuse. Determine from the chart on pages , or the diagram on the 343
fuse box lid, which fuse or fuses control that device. Check those fuses first, but check all the fuses before deciding that a blown fuse is the cause. Replace any blown fuses, and check if the device works.

344

FUSE

BLOWN

BLOWN

1.

Turn the ignition switch to the LOCK (0) position. Make sure the headlights and all other accessories are off.

2.

Remove the cover from the fuse box.

3.

Check each of the large fuses in the primary under-hood fuse box by looking through the top at the wire inside. Remove the screws with a Phillips-head screwdriver.

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BLOWN

FUSE PULLER

4.

Check the smaller fuses in the under-hood fuse boxes and all the fuses in the interior fuse box by pulling out each one with the fuse puller provided in the primary under-hood fuse box.

5.

Look for a blown wire inside the fuse. If it is blown, replace it with one of the spare fuses of the same rating or lower. The spare fuses are provided on the back of the under-hood fuse cover.

Fuses

If you cannot drive the vehicle without fixing the problem, and you do not have a spare fuse, take a fuse of the same rating or a lower rating from one of the other circuits. Make sure you can do without that circuit temporarily (such as the accessory power socket or radio).

If you replace the blown fuse with a spare fuse that has a lower rating, it might blow out again. This does not indicate anything wrong. Replace the fuse with one of the correct rating as soon as you can.

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Fuses

Replacing a f use with one that has a higher rating greatly increases the chances of damaging the electrical system. If you do not have a replacement f use with the proper rating f or the circuit, install one with a lower rating.

6.

If the replacement fuse of the same rating blows in a short time, there is probably a serious electrical problem with your vehicle. Leave the blown fuse in that circuit, and have your vehicle checked by a qualified technician.

When the audio system is disabled, the clock setting in the audio system will be canceled. You will need to reset the clock according to the instructions in the audio system section in this owner’s manual.

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UNDER-HOOD PRIMARY FUSE BOX

No.

Amps.

Circuits Protected

UNDER-HOOD SECONDARY FUSE BOX

Fuse Locations

10
11
12
13
14
15
16
17
18
19
20
21
22
23

50 A 40 A 40 A 20 A 20 A 30 A 40 A 10 A 15 A 15 A 15 A 15 A 7.5 A − − 20 A 15 A 7.5 A 15 A 7.5 A 10 A

Headlight Main Power Window Main Booster Motor Sub Fan Motor Main Fan Motor Rear Defogger Blower Hazard FI Sub Stop and Horn IG Coil (EX) IG Coil (IN) Oil Level Not Used Not Used IG Coil FI Main MG Clutch DBW Interior Light Back Up

No.

Amps.

Circuits Protected

100 A 70 A 60 A 50 A 30 A 40 A

Main Fuse EPS Option Main Ignition Switch Main ABS Motor ABS F/S

No.

Amps.

Circuits Protected

10 A 7.5 A 15 A

IMA2
IMA1
Booster MS

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Fuse Locations

INTERIOR FUSE BOX

No.

Amps.

Circuits Protected

− 20 A 20 A −

10 A 20 A 15 A − 20 A (7.5 A) (7.5 A)

17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
: Optional in U.S.

(15 A) 15 A 20 A − 20 A 20 A − 7.5 A 10 A 7.5 A 30 A

Left Headlight Low Beam Headlight High Main Small (Main) Not Used Headlight Low Main (HAC) STS Not Used Door Lock Driver’s Power Window Not Used Rear ACC Socket ACC Passenger’s Power Window Not Used Right Rear Power Window Left Rear Power Window Not Used ACC, Radio HAC Daytime Running Light Wiper

＊

No.

Amps.

Circuits Protected

No.

Amps.

Circuits Protected

Power Window Fuel Pump IG1 ACG ABS/VSA Unit Seat Heater Not Used TPMS Not Used

＊

＊

7.5 A 15 A 10 A 7.5 A 15 A − 7.5 A −

344

10
11
12
13
14
15
16

7.5 A 7.5 A 10 A 10 A 10 A 7.5 A 7.5 A 10 A

ODS METER SRS Right Headlight High Beam Left Headlight High Beam Small (Interior) Small (Exterior) Right Headlight Low Beam

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If your vehicle needs to be towed, call a professional towing service or organization. Never tow your vehicle with just a rope or chain. It is very dangerous.

There are two ways to tow your vehicle:

−

Flat-bedEquipment loads your vehicle on the back of a truck. transport your vehicle.

This is the best way to

The operator

−

The tow

Wheel-liftEquipment truck uses two pivoting arms that go under the tires (front) and lift them off the ground. The other two tires remain on the ground. acceptable way to tow your vehicle.

This is an

If, due to damage, your vehicle must be towed with the front wheels on the ground, do this:

Start the engine. Press on the brake pedal. Move the shift lever through all its positions. Shift to D position for 5 seconds, then to N. Turn off the engine. Release the parking brake. Leave the ignition switch in the ACCESSORY (I) position so the steering wheel does not lock.

Emergency Towing

Improper towing preparation will damage the transmission. Follow the above procedure exactly. If you cannot shif t the transmission or start the engine, your vehicle must be transported with the f ront wheels of f the ground.

With the front wheels on the ground, it is best to tow the vehicle no farther than 50 miles (80 km), and keep the speed below 35 mph (55 km/h).

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Emergency Towing

Trying to lif t or tow your vehicle by the bumpers will cause serious damage. The bumpers are not designed to support the vehicle’s weight.

The steering system can be damaged if the steering wheel is locked. Leave the ignition switch in the ACCESSORY (I) position, and make sure the steering wheel turns f reely bef ore you begin towing.

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Technical Information

The diagrams in this section give you the dimensions and capacities of your vehicle and the locations of the identification numbers. It also includes information you should know about your vehicle’s tires and emissions control systems.

Identification Numbers Specifications DOT Tire Quality Grading

................ ................................

. 348
. 350

(U.S. Vehicles)

......................

. 352

Uniform Tire Quality

Grading Treadwear Traction Temperature

.................................. ................................. ...................................... ............................. Tire Labeling ................................. Tire Pressure Monitoring System

. 352
. 352
. 352
. 353
. 353

(TPMS)

−

Explanation

Required Federal ............................

. 355

Emissions Controls ....................... The Clean Air Act ..................... Crankcase Emissions Control .................................... Evaporative Emissions Control ....................................

System

System

Onboard Refueling Vapor

. 357
. 357

. 357

. 357

Recovery

. 357
Exhaust Emissions Controls . 358
. 358

................................ ... ....................

PGM-FI System Ignition Timing Control

System

................................ Exhaust Gas Recirculation ...................

(EGR) System

Three Way Catalytic

. 358

. 358

Converter

Replacement Parts

. 358
........................... .................... . 358
.. Three Way Catalytic Converter . 359
. 360
Emissions Testing ........................

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Identification Numbers

Your vehicle has several identifying numbers in various places.

The vehicle identification number (VIN) is the 17-digit number your dealer uses to register your vehicle for warranty purposes. It is also necessary for licensing and insuring your vehicle. The easiest place to find the VIN is on a plate fastened to the top of the dashboard. You can see it by looking through the windshield on the driver’s side. It is also on the certification label attached to the driver’s doorjamb, and is stamped on the engine compartment bulkhead. The VIN is also provided in bar code on the certification label.

The VIN is also located on the engine bulkhead. Slide the cover on the engine compartment bulkhead to view the VIN. Always close the cover when finished.

348

COVER

VEHICLE IDENTIFICATION NUMBER (VIN)

CERTIFICATION LABEL

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The engine number is stamped into the engine block.

The transmission number is on a label on top of the transmission.

The IMA Motor Number is stamped on the motor housing.

Identification Numbers

ENGINE NUMBER

IMA MOTOR NUMBER

TRANSMISSION NUMBER

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Specifications

Dimensions Length Width Height Wheelbase Track

Front Rear

Weights Gross vehicle weight rating

Seating Capacities Total Front Rear

Engine Type

Bore x Stroke Displacement Compression ratio Spark plugs

350

176.7 in (4,489 mm) 69.0 in (1,752 mm) 56.3 in (1,430 mm) 106.3 in (2,700 mm) 59.1 in (1,501 mm) 60.2 in (1,529 mm)

See the certification label attached to the driver’s doorjamb.

Water cooled 4-stroke SOHC i-VTEC gasoline engine with Hybrid Electric

2.87 x 3.15 in (73.0 x 80.0 mm)

82 cu-in (1,339 cm )

Capacities Fuel tank

Engine coolant Engine oil

Automatic transmission fluid Windshield washer reservoir

Change ＊ Total Change ＊

Including filter Without filter

Total Change Total

Approx. 12.3 US gal (46.6 ) 1.255 US gal (4.75 ) 1.59 US gal (6.0 )

3.4 US qt (3.2 ) 3.2 US qt (3.0 ) 4.0 US qt (3.8 ) 3.0 US qt (2.8 ) 5.4 US qt (5.1 )

U.S. Vehicles Canada Vehicles

2.6 US qt (2.5 ) 4.8 US qt (4.5 )

＊

1 :

＊

2 :

Including the coolant in the reserve tank and that remaining in the engine Reserve tank capacity: 0.11 US gal (0.4 ) Excluding the oil remaining in the engine

10.8
(NGK)

ILFR6J-11K SK20HPR-L11

(DENSO)

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Air Conditioning Refrigerant type Charge quantity Lubricant oil type

Lights Headlights

High Low

Front turn signal/side marker lights Rear turn signal lights Brake/Taillights (in fenders) Back-up lights Rear side marker lights Taillights (in trunk lid) License plate lights Ceiling light Spotlights Trunk light

12 Volt Battery Capacity

HFC-134a (R-134a) −

14.1 15.9 oz (400 450 g)

−

SE-10Y

(HB3) (HB4)

60 W 51 W 24/2.2 CP

21 W 21/5 W 21 W 2 CP 3 CP 5 W 8 W 8 W 5 W

12 V 12 V 12 V

12 V 12 V 12 V 12 V 12 V 12 V 12 V 12 V 12 V

− − −

− − − − − − − − −

12 V 12 V

− −

35 AH/20 HR 28 AH/5 HR

Specifications

See page 339 or the fuse label attached to the inside of the fuse box door under the steering column. See page 339 or the fuse box cover.

Front Rear Front Rear Front

0.00 in (0.0 mm) 2.0 in (2.0 mm)

− −

0°3’ 1°39’ 7°6’

Front/Rear Spare Front/Rear Spare

P195/65R15 89S T135/80D15 99M

32 psi (220 kPa , 2.2 kgf/cm ) 60 psi (420 kPa , 4.2 kgf/cm )

Fuses Interior

Under-hood

Alignment Toe-in

Camber

Caster

Tires Size

Pressure

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DOT Tire Quality Grading (U.S. Vehicles)

Treadwear The treadwear grade is a compara- tive 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 one- 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 condi- tions 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 The traction grades, from highest to lowest, are AA, A, B, and C. Those grades 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 straight-ahead braking traction tests, and does not include acceleration, cornering, hydroplaning, or peak traction characteristics.

The tires on your vehicle meet all U.S. Federal Safety Requirements. All tires are also graded for treadwear, traction, and temperature performance according to Department of Transportation (DOT) standards. The following explains these gradings.

Uniform Tire Quality Grading 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

All passenger car tires must conform to Federal Safety Requirements in addition to these grades.

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Temperature 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.

DOT Tire Quality Grading (U.S. Vehicles), Tire Labeling

Warning: The temperature grade for this tire is 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.

Tire Labeling The tires that came on your vehicle have a number of markings. Those you should be aware of are described below.

TIRE LABELING EXAMPLE

(1)

(1)

(4)

(3)

(2)

(1) (2) (3) (4)

Tire Size Tire Identification Number (TIN) Maximum Tire Pressure Maximum Tire Load

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Tire Labeling

TireSize Whenever tires are replaced, they should be replaced with tires of the same size. The following is an example of tire size with an explanation of what each component means.

P195/65R15 89S

−

Vehicle type (P indicates passenger vehicle).

195

−

Tire width in millimeters.

65

−

Aspect ratio (the tire’s section height as a percentage of its width).

−

Tire construction code (R indicates radial).

15

−

Rim diameter in inches.

354

89

−

Load index (a numerical code associated with the maximum load the tire can carry).

FW6X

2202

−

−

Tire type code.

Date of manufacture. Year Week

MaximumTirePressure Max Press

−

The maximum air pressure the tire can hold.

MaximumTireLoad Max Load

−

The maximum load the tire can carry at maximum air pressure.

−

Speed symbol (an alphabetical code indicating the maximum speed rating).

TireIdentificationNumber(TIN) The tire identification number (TIN) is a group of numbers and letters that look like the following example. TIN is located on the sidewall of the tire.

DOT B97R FW6X 2202

DOT

−

This indicates that the tire meets all requirements of the U.S. Department of Transportation.

B97R

−

Manufacturer’s identification mark.

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Tire Pressure Monitoring System (TPMS)

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Required Federal Explanation

U.S.modelsonly Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label.

(If your vehicle has tires of a different size than the size indicated on the vehicle placard or tire inflation pressure label, you should determine the proper tire inflation pressure for those tires.)

As an added safety feature, your vehicle has been equipped with a tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale

when one or more of your tires is significantly under-inflated.

Accordingly, when the low tire pressure telltale illuminates, you should stop and check your tires as soon as possible, and inflate them to the proper pressure.

CONTINUED

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Tire Pressure Monitoring System (TPMS)

−

Required Federal Explanation

Driving on a significantly under- inflated tire causes the tire to overheat and can lead to tire failure. Under-inflation also reduces fuel efficiency and tire tread life, and may affect the vehicle’s handling and stopping ability.

Your vehicle has also been equipped with a TPMS malfunction indicator to indicate when the system is not operating properly. The TPMS malfunction indicator is provided by a separate telltale, which displays the symbol ‘‘TPMS’’ when illuminated.

Always check the TPMS malfunction telltale after replacing one or more tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheels allow the TPMS to continue to function properly.

Please note that the TPMS is not a substitute for proper tire maintenance, and it is the driver’s responsibility to maintain correct tire pressure, even if under-inflation has not reached the level to trigger illumination of the TPMS low tire pressure telltale.

When the malfunction indicator is illuminated,

the system may not be able to detect or signal low tire pressure as intended.

TPMS malfunctions may occur for a variety of reasons, including the installation of replacement or alternate tires or wheels on the vehicle that prevent the TPMS from functioning properly.

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The burning of gasoline in your vehicle’s engine produces several by- products. Some of these are carbon monoxide (CO), oxides of nitrogen (NOx), and hydrocarbons (HC). Gasoline evaporating from the tank also produces hydrocarbons. Con- trolling the production of NOx, CO, and HC is important to the environ- ment. Under certain conditions of sunlight and climate, NOx and HC react to form photochemical ‘‘smog.’’ Carbon monoxide does not contri- bute to smog creation, but it is a poisonous gas.

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The Clean Air Act The United States Clean Air Act sets standards for automobile emissions. It also requires that automobile manufacturers explain to owners how their emissions controls work and what to do to maintain them. This section summarizes how the emissions controls work.

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In Canada, Honda vehicles comply

with the Canadian emission requirements, as specified in an agreement with Environment Canada, at the time they are manufactured.

Crankcase Emissions Control System Your vehicle has a positive crankcase ventilation system. This keeps gasses that build up in the engine’s crankcase from going into the atmosphere. The positive crankcase ventilation valve routes them from the crankcase back to the

Emissions Controls

intake manifold. They are then drawn into the engine and burned.

Evaporative Emissions Control System As gasoline evaporates in the fuel tank, an evaporative emissions control canister filled with charcoal adsorbs the vapor. It is stored in this canister while the engine is off. After the engine is started and warmed up, the vapor is drawn into the engine and burned during driving.

Onboard Refueling Vapor Recovery The onboard refueling vapor recovery (ORVR) system captures the fuel vapors during refueling. The vapors are adsorbed in a canister filled with activated carbon. While driving, the fuel vapors are drawn into the engine and burned off.

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Emissions Controls

Exhaust Emissions Controls The exhaust emissions controls include four systems: PGM-FI, ignition timing control, exhaust gas recirculation, and three way catalytic converter. These four systems work together to control the engine’s combustion and minimize the amount of HC, CO, and NOx that come out the tailpipe. The exhaust emissions control systems are separate from the crankcase and evaporative emissions control systems.

PGM-FISystem The PGM-FI system uses sequential multiport fuel injection. It has three subsystems: air intake, engine control, and fuel control. The powertrain control module (PCM) uses various sensors to determine how much air is going into the engine. It then controls how much fuel to inject under all operating conditions.

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IgnitionTimingControlSystem This system constantly adjusts the ignition timing, reducing the amount of HC, CO, and NOx produced.

ExhaustGasRecirculation(EGR) System The exhaust gas recirculation (EGR) system takes some of the exhaust gas and routes it back into the intake manifold. Adding exhaust gas to the air/fuel mixture reduces the amount of NOx produced when the fuel is burned.

ThreeWayCatalyticConverter The three way catalytic converter is in the exhaust system. Through chemical reactions, it converts HC, CO, and NOx in the engine’s exhaust to carbon dioxide (CO ), nitrogen (N ), and water vapor.

Replacement Parts The emissions control systems are designed and certified to work to- gether in reducing emissions to levels that comply with the Clean Air Act. To make sure the emissions remain low, you should use only new Honda replacement parts or their equivalent for repairs. Using lower quality parts may increase the emissions from your vehicle.

The emissions control systems are covered by warranties separate from the rest of your vehicle. Read your warranty manual for more informa- tion.

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Three Way Catalytic Converter

The three way catalytic converter contains precious metals that serve as catalysts, promoting chemical reactions to convert the exhaust gasses without affecting the metals. The catalytic converter is referred to as a three-way catalyst, since it acts on HC, CO, and NOx. A replacement unit must be an original Honda part or its equivalent.

The three way catalytic converter must operate at a high temperature for the chemical reactions to take place. It can set on fire any combustible materials that come near it. Park your vehicle away from high grass, dry leaves, or other flammables.

THREE WAY CATALYTIC CONVERTERS

U.S. model is shown

A defective three way catalytic converter contributes to air pollution, and can impair your engine’s per- formance. Follow these guidelines to protect your vehicle’s three way catalytic converter.

Always use unleaded gasoline. Even a small amount of leaded gasoline can contaminate the catalyst metals, making the three way catalytic converter ineffective.

Keep the engine well maintained.

Have your vehicle diagnosed and repaired if it is misfiring, back- firing, stalling, or otherwise not running properly.

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Emissions Testing

Testing of Readiness Codes If you take your vehicle for an emissions test shortly after the battery has been disconnected or gone dead, it may not pass the test. This is because of certain ‘‘readiness codes’’ that must be set in the on- board diagnostics for the emissions systems. These codes are erased when the battery is disconnected, and set again only after several days of driving under a variety of conditions.

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4.

5.

Without touching the accelerator pedal, start the engine, and let it idle for 20 seconds.

Keep the vehicle in Park. Increase the engine speed to 2,000 rpm, and hold it there until the temperature gauge rises to at least 1/4 of the scale (about 3 minutes).

6.

Without touching the accelerator pedal, let the engine idle for 20
seconds.

If the testing facility determines that the readiness codes are not set, you will be requested to return at a later date to complete the test. If you must get the vehicle retested within the next two or three days, you can condition the vehicle for retesting by doing the following.

1.

2.

3.

Make sure the gas tank is nearly, but not completely, full (around 3/4).

Make sure the vehicle has been