2004 HONDA ODYSSEY air condition

If you use a non-Honda f loor mat,
make sure it f its properly and that it
canbeusedwiththefloormat
anchor. Do not put additional f loor
mats on top of the anchored mat.This f ilter removes the dust and
pollenthatisbroughtinfromthe
outside through the heating and
cooling system/climate control
system.
Have your Honda dealer replace this
f ilter every 30,000 miles (48,000 km)
under normal conditions. It should
be replaced every 15,000 miles
(24,000 km) if you drive primarily in
urban areas that have high
concentrations of soot in the air, or if
the airflow from the heating and
cooling system/climate control
system becomes less than usual.
Floor Mats, Audio Antenna, Dust and Pollen Filter
Maint enance
A udio A ntenna
Dust and Pollen Filter
227
NOTICE:Your vehicle is equipped
with an antenna on the f ront right
f ender. Bef ore using a ‘‘drive-
through’’ car wash, make sure you
remove the antenna by unscrewing it by
hand. This prevents the antenna f rom
being damaged by the car wash brushes.

To saf ely operate your vehicle, your
tires must be the proper type and
size, in good condition with adequate
tread, and correctly inf lated.
The f ollowing pages give more
detailed inf ormation on how to take
care of your tires and what to do
when they need to be replaced.Keeping the tires properly inf lated
provides the best combination of
handling, tread lif e, and riding
comf ort.
We recommend that you visually
check your tires every day. If you
think a tire might be low, check it
immediately with a tire gauge.Use a gauge to measure the air
pressure at least once a month. Even
tires that are in good condition may
lose one to two psi (10 to 20 kPa, 0.1
to 0.2 kgf /cm ) per month.
Remember to check the spare tire at
thesametime.
Check the pressure in the tires when
they are cold. This means the vehicle
has been parked f or at least three
hours, or driven less than 1 mile (1.6
km).
Underinf lated tires wear unevenly,
adversely affect handling and fuel
economy, and are more likely to
fail from being overheated.
Overinf lated tires can make your
vehicleridemoreharshly,are
more prone to damage f rom road
hazards, and wear unevenly. Add or release air, if needed, to
match the recommended cold tire
pressures on page .231
Tires
Maint enance
Inf lation
230
Using tires that are excessively
worn or improperly inflated can
cause a crash in which you can
be seriously hurt or killed.
Follow all instructions in this
owner’s manual regarding tire
inflation and maintenance.

If you check the pressure when the
tires are hot [driven f or several miles
(kilometers)], you will see readings 4
to6psi(30to40kPa,0.3to0.4
kgf /cm ) higher than the cold
reading. This is normal; do not
release air to match the cold
pressure.Thecompactsparetirepressureis:
For convenience, the recommended
tire sizes and cold air pressures are
on a label on the driver’s doorjamb.
For additional technical inf ormation,
see page .
Tire pressure f or high speed driving
is the same as f or normal driving.Every time you check inf lation, you
should also examine the tires for
damage, f oreign objects, and wear.
Youshouldlookfor:
Bumps or bulges in the tread or
side of the tire. Replace the tire if
youfindeitherortheseconditions.
Cuts, splits, or cracks in the side
of the tire. Replace the tire if you
can see f abric or cord.
Excessive tread wear.
Tubeless tires have some ability to
self -seal if they are punctured. You
should look closely f or punctures if a
tire starts losing pressure.
Youshouldgetyourowntire
pressure gauge and use it whenever
you check your tire pressures. This
will make it easier f or you to tell if a
pressure loss is due to a tire problem
and not due to a variation between
gauges. 270
CONT INUED
Tire Size Cold Tire Pressure
for Normal Driving
Tires
Maint enance
Tire Inspection
231
60 psi (420 kPa , 4.2 kgf/cm)
225/60R16 98T 36 psi (250 kPa , 2.5 kgf/cm
)

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 f eel no dif f erence in
your vehicle’s perf ormance,
continued operation may cause
serious damage.
If you have recently ref ueled your
vehicle, the indicator could come on
because of a loose or missing f uel f ill
cap. Tighten the cap until it clicks at
least three times. Tightening the cap
will not turn the indicator turn of f
immediately; it takes at least three
days of normal driving.
If the indicator remains on, or the
f uel cap was not loose or missing,
have your vehicle checked by the
dealer as soon as possible. This indicator may also come on
along with the ‘‘D’’ indicator.
Your vehicle has certain ‘‘readiness
codes’’ that are part of the on-board
diagnostics f or 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 battery has been
disconnected or gone dead, these
codes are erased. It takes at least
three days of driving under various
conditions to set the codes again.To check if they are set, turn the
ignition switch to ON (II), without
starting the engine. The Malf unction
Indicator Lamp will come on f or 20
seconds. If it then goes of f , the
readiness codes are set. If it blinks 5
times, the readiness codes are not
set. If possible, do not take your
vehicle f or a state emissions test
until the readiness codes are set.
Refer to State Emissions Testing for
more information (see page ).
274
Malf unction Indicator L amp
T aking Care of t he Unexpect ed
Readiness Codes
253
NOTICE:If you keep driving with the
Malf unction Indicator Lamp on, you
can damage your vehicle’s emissions
controls and the engine. Those repairs
may not be covered by your vehicle’s
warranties.

However, if the brake pedal does not
f eel 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 f eel the brake
pedal go down much f arther bef ore
the vehicle begins to slow down and
you will have to press harder on the
pedal.
Slow down by shif ting to a lower
gear, and pull to the side of the road
when it is saf e. 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 (seeon page ). If you must drive the vehicle a short
distance in this condition, drive
slowly and caref ully.
If the ABS indicator and the TCS
indicator come on with the brake
system indicator, have the vehicle
inspected by your dealer
immediately.
If the brake system indicator comes
on while driving, the brake f luid level
is probably low. Press lightly on the
brake pedal to see if it f eels normal.
If it does, check the brake f luid level
thenexttimeyoustopataservice
station (see page ).
If the f luid level is low, take the
vehicle to your dealer and have the
brake system inspected f or leaks or
worn brake pads. The brake system
indicator normally
comesonwhenyou
turn the ignition switch to ON (II),
and as a reminder to check the
parking brake. It will stay lit if you do
not f ully release the parking brake.
255
218
Brake System Indicator
T aking Care of t he Unexpect ed
Emergency
Towing
254
U.S. Canada

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Specif ications
T echnical Inf ormation266
Dimensions
Weights Capacities
Air Conditioning 201.2 in (5,110 mm)
75.6 in (1,920 mm)
5.3 US qt (5.0
)
2.6 US qt (2.5
)
0.16 US gal (0.6
) 4.6 US qt (4.4
)
4.2 US qt (4.0
)
2.48 US gal (9.4
)
3.5 US qt (3.3
)
8.3 US qt (7.9)
4.8 US qt (4.5
)
HFC-134a (R-134a)
66.1 in (1,680 mm) 66.1 in (1,680 mm)
118.1 in (3,000 mm) 68.5 in (1,740 mm)
32 34 oz (850 900 g) ND-OIL8 20.00 US gal (75.7
)
1.98 US gal (7.5)
69.7 in (1,770 mm)
8,265 lbs (3,750 kg) Including the coolant in the reserve tank and that remaining in the
engine.
Reserve tank capacity:
Excluding the oil remaining in the engine.
Length
Width
Height
Wheelbase
Track
Gross vehicle weight rating
Gross combined weight
rating (GCWR)
Fuel tank
Engine
coolant
Engine oil
Automatic
transmission
fluid
Windshield
washer
reservoir
Refrigerant type
Charge quantity
Lubricant type See the tire information label atta-
ched to the driver’s doorjamb. Approx.
Front
Rear
1:
2:Change
Total
Change
Including
filter
Without
filter
Total
Change
Total
U.S. Vehicles
Canada Vehicles
1: LX
2: EX,EX-L1
2
1
2

Î
ÎThe 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 f rom 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 f orm photochemical ‘‘smog.’’
Carbon monoxide does not contri-
bute to smog creation, but it is a
poisonous gas. The United States Clean Air Act
sets standards f or automobile
emissions. It also requires that
automobile manufacturers explain to
owners how their emissions controls
workandwhattodotomaintain
them. This section summarizes how
the emissions controls work.
Scheduled maintenance is on pages
and .
In Canada, Honda vehicles comply
with the Canadian emission
requirements, as specif ied in an
agreement with Environment
Canada, at the time they are
manuf actured.
Your vehicle has a Positive
Crankcase Ventilation System. This
keeps gasses that build up in the
engine’s crankcase f rom going into
the atmosphere. The Positive Crank- case Ventilation valve routes them
from the crankcase back to the
intake manif old. They are then
drawn into the engine and burned.
As gasoline evaporates in the f uel
tank, an evaporative emissions
control canister f illed with charcoal
adsorbs the vapor. It is stored in this
canister while the engine is of f . Af ter
the engine is started and warmed up,
the vapor is drawn into the engine
and burned during driving.
The Onboard Ref ueling Vapor
Recovery (ORVR) system captures
the f uel vapors during ref ueling. The
vapors are adsorbed in a canister
f illed with activated carbon. While
driving, the f uel vapors are drawn
into the engine and burned of f .
205
206
The Clean Air Act
Crankcase Emissions Control
System Evaporative Emissions Control
System
Onboard Ref ueling Vapor
Recovery
Emissions Cont rols
T echnical Inf ormation271

The exhaust emissions controls
include f our 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
comes out the tailpipe. The exhaust
emissions control systems are
separate f rom the crankcase and
evaporative emissions control
systems.
The PGM-FI System uses sequential
multiport f uel 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 f uel to inject under all
operating conditions.This system constantly adjusts the
ignition timing, reducing the amount
of HC, CO, and NOx produced.
The Exhaust Gas Recirculation
(EGR) system takes some of the
exhaust gas and routes it back into
the intake manif old. Adding exhaust
gas to the air/f uel mixture reduces
the amount of NOx produced when
the f uel is burned.
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 ), dinitrogen
(N ), and water vapor.
The emissions control systems are
designed and certif ied 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 f or repairs. Using lower
qualitypartsmayincreasethe
emissions f rom your vehicle.
The emissions control systems are
covered by warranties separate from
the rest of your vehicle. Read your
warranty manual f or more informa-
tion.
2
2
Exhaust Emissions Controls Replacement Parts
PGM-FI Syst emIgnit ion T iming Cont rol Syst em
Exhaust Gas Recirculat ion (EGR)Syst em
Three Way Catalytic Converter
T echnical Inf ormation
Emissions Cont rols
272