2008 Honda Odyssey Owners Manual

removing the radiator cap.

470

8.

9.

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.

Start the engine, and set the temperature control dial to maximum heat (climate control to AUTO at ‘‘ ’’). 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.

10.

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 480

).

11.

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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Low Oil Pressure Indicator, Charging System Indicator

Low Oil Pressure Indicator

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.

OnTouringmodels You will also see a ‘‘CHECK ENGINE OIL LEVEL’’ message on the multi-information display (see page

88

).

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

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.

363

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

418

).

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 480

Emergency Towing ).

on page

Charging System Indicator

If the charging system indicator comes on brightly when the engine is running, the battery is not being charged.

OnTouringmodels You will also see a ‘‘CHECK CHARGING SYSTEM’’ message on the multi-information display (see page

88

).

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.

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Malfunction Indicator Lamp, Readiness Codes

The indicator may also come on with the ‘‘D’’ indicator.

OnTouringmodels You will also see a ‘‘CHECK EMISSION SYSTEM’’ message on the multi-information display (see page

88

).

Readiness Codes 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.

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.

Malfunction Indicator Lamp

If this 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, continued operation may cause serious damage.

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 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.

472

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 5 times, the readiness codes are not set. If possible, do not take your vehicle for a state emissions test until the readiness Emissions codes are set. Refer to Testing for more information (see 498
page ).

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Brake System Indicator

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

427

).

OnTouringmodels You will also see a ‘‘BRAKE FLUID LOW’’ message on the multi- information display (see page

88

).

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

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.

OnTouringmodels You will also see a ‘‘CHECK BRAKE SYSTEM’’ message on the multi- information display (see page 88

).

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 480

Emergency ).

on page

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

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

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Fuses

DRIVER’S SIDE INTERIOR FUSE BOX

PASSENGER’S SIDE INTERIOR FUSE BOX

PRIMARY UNDER-HOOD FUSE BOX

The vehicle’s fuses are contained in four fuse boxes (three, if the vehicle does not have a rear entertainment system). The interior fuse boxes are located under the dashboard on the driver’s and passenger’s side.

To open the passenger’s fuse box, pull the right edge of the cover.

The primary under-hood fuse box is on the passenger’s side. To open it, push the tabs as shown.

The secondary under-hood fuse box is behind the primary fuse box.

SECONDARY UNDER-HOOD FUSE BOX

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479

through

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 477
, or the diagram on the fuse box lid, which fuse or fuses control that device. The diagram for the interior driver’s side fuse box is on the kick panel below the fuse box. 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.

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.

FUSE

Fuses

BLOWN

FUSE PULLER

3.

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

4.

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

CONTINUED

475

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Fuses

BLOWN

5.

Look for a blown wire inside the fuse. If it is blown, replace the fuse with one of the spare fuses of the same rating or lower.

476

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.

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.

If the driver’s power window fuse is removed, the AUTO function of the driver’s window will be disabled. You should reset the AUTO feature, (see page

187

).

OnEX,EX-LandTouringmodels If the radio fuse is removed, the audio system will disable itself. The next time you turn on the radio you will see ‘‘CODE’’ in the frequency display. Use the preset buttons to enter the five-digit code (see page 284

).

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PRIMARY UNDER-HOOD FUSE BOX

SECONDARY UNDER-HOOD FUSE BOX

No. 10
11
12

Amps. 10 A 30 A 10 A 15 A 10 A 10 A 7.5 A 15 A 30 A − 30 A 7.5 A

No. Amps.

− 40 A 40 A 40 A 20 A 20 A

Circuits Protected

Left Headlight Low Rear Defroster Coil Left Headlight High Small Lights Right Headlight High Right Headlight Low Back Up FI ECU (PCM) Condenser Fan Not used Cooling Fan MG Clutch

Circuits Protected

＊

Not Used Left Power Sliding Door Right Power Sliding Door Power Tailgate Premium AC Inverter

＊

No. 13
14
15
16
17
18
19
20
21
22

23

No. 10
11

Amps. 20 A 30 A 40 A 15 A 30 A 30 A 30 A 40 A 40 A 70 A 120 A 50 A 50 A 40 A

＊

Amps. 20 A 10 A 20 A 20 A 7.5 A

＊

Fuse Locations

Circuits Protected

Horn, Stop Rear Defroster Back Up, ACC Hazard VSA Motor VSA Option 1
Option 2
Heater Motor Passenger’s Fuse Box Battery IG1 Main Power Window Main

Circuits Protected

＊

Fog Light ACM AS power Seat Slide AS power Seat Recline Rear Entertainment System

＊

＊

＊

＊

For some types

CONTINUED

477

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Fuse Locations

INTERIOR FUSE BOX Driver’s Side

Front

478

No. Amps.

Circuits Protected

No.

Amps.

Circuits Protected

10
11
12
13

14
15
16
17

7.5 A 15 A 10 A 15 A 10 A 7.5 A 7.5 A − 15 A 7.5 A 30 A 15 A 20 A

20 A 20 A 20 A 20 A

TPMS IG Coil Daytime Running Light LAF Radio Interior Lights Back Up Not Used Front Accessory Socket OPDS IG Wiper Rear Accessory Socket Left Power Sliding Door Closer Driver Power Seat Slide Pedal Position Adjustment Dr Power Seat Recline Power Tailgate Closer

＊

＊

＊

＊

18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

15 A 15 A 10 A 7.5 A 10 A 7.5 A 20 A 20 A 20 A 20 A 20 A − 10 A 15 A 10 A 7.5 A

IG ACG IG Fuel Pump IG Washer IG Meter IG SRS IGP Left Rear Power Window Right Rear Power Window Passenger’s Power Window Driver’s Power Window Moonroof Not Used IG HAC IG SOL ACC HAC OP

＊

＊

For some types

＊

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INTERIOR FUSE BOX UPPER AREA Driver’s Side

INTERIOR FUSE BOX Passenger’s Side

No.

Amps.

Circuits Protected

Fuse Locations

30 A − 15 A 20 A − 15 A 7.5 A 20 A

−

Rear Blower Not Used DBW Door Lock Not Used Heated Seat Instrument Panel Right Power Sliding Door Closer Not Used

＊

＊

No.

Amps.

Circuits Protected

7.5 A

STS

＊

: For some types

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Emergency Towing

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

480

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).

−

The tow

Wheel-liftEquipment truck uses two pivoting arms that go under the tires and lift them off the ground. The flat tire side (front or rear) should be lifted by the wheel- lift equipment. The other two tires This is an remain on the ground. acceptable way to tow your vehicle.

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.

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Emergency Towing

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.

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.

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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

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

. 484
. 486

(U.S Vehicles)

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

. 488

Uniform Tire Quality

Grading Treadwear Traction Temperature

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

(TPMS) Required Federal

−

Explanation

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

System

System

Onboard Refueling Vapor

. 488
. 488
. 488
. 489
. 490

. 492
. 495
. 495

. 495

. 495

Recovery

. 495
Exhaust Emissions Controls . 496
. 496

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

PGM-FI System Ignition Timing Control

System

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

. 496

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

(EGR) System

Three Way Catalytic

. 496

Converter

Replacement Parts

. 496
........................... .................... . 496
.. Three Way Catalytic Converter . 497
. 498
........................ Emissions Testing .... . 498

Testing of Readiness Codes

483

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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.

484

VEHICLE IDENTIFICATION NUMBER (VIN)

CERTIFICATION LABEL

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The engine number is stamped into the engine block. It is on the front.

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

Identification Numbers

TRANSMISSION NUMBER

ENGINE NUMBER

485

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Specifications

Dimensions Length Width Height

Wheelbase Track

Front Rear

＊ ＊

1 : LX and Canadian DX models 2 : EX, EX-L and Touring models

Weights Gross vehicle weight rating

Gross combined weight rating (GCWR)

Engine Type

Bore x Stroke Displacement Compression ratio

Spark plugs

1 : LX, EX and Canadian DX models 2 : EX-L and Touring models

＊ ＊ 486

＊

202.0 in (5,132 mm) 77.1 in (1,958 mm) 68.8 in (1,748 mm) 70.0 in (1,778 mm) ＊ 118.1 in (3,000 mm) 66.7 in (1,694 mm) 66.8 in (1,697 mm)

See the tire information label atta- ched to the driver’s doorjamb.

8,410 lbs (3,815 kg)

Water cooled 4-stroke SOHC VTEC or i-VTEC · VCM , ＊

＊

6-cylinder (V6), gasoline engine 3.50 x 3.66 in (89.0 x 93.0 mm)

212 cu-in (3,471 cm )

Air Conditioning Refrigerant type Charge quantity Lubricant type

Capacities Fuel tank

Engine coolant Engine oil

Automatic transmission fluid Windshield washer reservoir

Change ＊ Total Change ＊

Including filter Without filter

Total Change Total

HFC-134a (R-134a) −

24.7 26.5 oz (700 750 g)

−

ND-OIL8

Approx. 21 US gal (80 ) 1.85 US gal (7.0 ) 2.56 US gal (9.7 )

4.5 US qt (4.3 )

4.2 US qt (4.0 )

5.3 US qt (5.0 ) 3.3 US qt (3.1 ) 8.0 US qt (7.6 )

U.S. Vehicles Canada Vehicles

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

＊

＊

＊

10.0 : 1
10.5 : 1
IZFR5K11
SKJ16DR-M11
ILZKR7B11
＊ SXU22HCR11

＊

＊

＊

1 :

＊

2 :

Including the coolant in the reserve tank and that remaining in the engine Reserve tank capacity: 0.190 US gal (0.72 ) Excluding the oil remaining in the engine

NGK: DENSO: NGK: DENSO:

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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 12 V 12 V

− − − − −

− − − − − − − − − − −

60 W (HB3) (HB4) 51 W (H11) 55 W 21 W (Amber) 3 CP

(Amber)

21 W 21/5 W 2 CP 21 W 5 W 16 W 8 W 5 W 2 W 8 W 3.8 W (2 CP)

12 V 12 V

− −

60 AH/5 HR 72 AH/20 HR

Lights Headlights

High Low

Fog lights Front turn signal lights Front parking/side marker lights Rear turn signal lights Stop/Taillights Taillights Back-up lights License plate lights High-mount brake light Individual map lights

Front Rear

Vanity mirror lights Cargo area light Door courtesy light

Battery Capacity

Fuses Interior

Under-hood

Driver’s side

Passenger’s side

See page 478 and 479 or the fuse label attached to the dashboard. See page 479 or the fuse label attached to the inside of the fuse box door under the dashboard. See page 477 or the fuse box cover.

Alignment Toe-in

Camber

Caster

Tires Size

Pressure

Front Rear Front Rear Front

Front/Rear

Spare Front

Rear Spare

Specifications

0.00 in (0.0 mm) 0.08 in (2.0 mm)

0° 0°30’ − 2°32’

＊

235/65R16 103T 235/60R17 102T

＊ 235-710R460A 104T T135/80D17 103M ＊

＊

33 psi (230 kPa , 2.3 kgf/cm ) 35 psi (240 kPa , 2.4 kgf/cm ) 35 psi (240 kPa , 2.4 kgf/cm ) 60 psi (420 kPa , 4.2 kgf/cm )

＊

＊

＊ ＊ ＊ ＊

1 : 2 : 3 : 4 :

Except U.S.Touring models (With PAX) Touring models (Without PAX) U.S. Touring models (With PAX) EX-L models

Seating Capacities Total Front Rear

Second row Third row

＊

U.S. LX and Canadian DX models

＊

＊

8/7
3/2

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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 car meet all U.S. Federal Safety Requirements. All tires are also graded for treadwear, traction, and temperature perform- ance 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.

488

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DOT Tire Quality Grading (U.S. Vehicles)

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.

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.

489

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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)

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

235/60R17 102T

235

−

Tire width in millimeters.

60

−

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

−

Tire construction code (R indicates radial).

(1)

17

−

Rim diameter in inches.

(4)

(2)

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

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

490

102

−

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

−

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 Labeling (PAX System Tires)

FX6X

−

Tire type code.

2202

−

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.

TM

PAX System Tire Labeling Ifequipped The PAX system tires have different markings from conventional tire markings. Following is an example of PAX system tire size with an explanation of what each component means.

235-710R460A 104T

235

−

Tire width in millimeters.

710

−

Outside diameter of the tire in millimeters.

−

Tire construction code (R indicates radial)

460

−

Nominal diameter at the rim seat in millimeters.

−

Symmetric

104

−

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

−

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

491

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Tire Pressure Monitoring System (TPMS)

−

Required Federal Explanation

Allmodels 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.

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.

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.

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Tire Pressure Monitoring System (TPMS)

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Required Federal Explanation

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.

ExceptTouringmodels 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.

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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Tire Pressure Monitoring System (TPMS)

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Required Federal Explanation

Touringmodel 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 combined with the low tire pressure telltale. When the system detects a malfunction, the telltale will flash for approximately one minute and then remain continuously illuminated. This sequence will continue upon subsequent vehicle start-ups as long as the malfunction exists.

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.

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.

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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. Scheduled maintenance is on page 416

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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

Emissions Controls

crankcase ventilation valve routes them from the crankcase back to the 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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The three way catalytic converters contain precious metals that serve as catalysts, promoting chemical reactions to convert the exhaust gasses without affecting the metals. The catalytic converters are referred to as three-way catalysts, since they act on HC, CO, and NOx. Replacement units must be original Honda parts or their equivalent.