2003 HONDA ACCORD SEDAN ECU

Many states and Canadian provinces
require special outside mirrors when
towing a trailer. Even if they don’t,
you should install special mirrors if
you cannot clearly see behind you, or
if the trailer creates a blind spot.
Askyourtrailersalesorrental
agency if any other items are
recommended or required f or your
towing situation.When preparing to tow, and bef ore
driving away, be sure to check the
f ollowing:
All weights and loads are within
limits (see pages and ).
Thehitch,safetychains,andany
other attachments are secure.
Allitemsonandinthetrailerare
properly secured and cannot shif t
while you drive. The car has been properly
serviced, and the tires, brakes,
suspension, and cooling system
are in good operating condition.
The lights and brakes on your car
and the trailer are working
properly. Your car tires and spare are
properly inf lated (see page ),
and the trailer tires and spare are
inflated as recommended by the
trailer maker.
237 238 303
Additional Trailer EquipmentPre-T ow Checklist
Towing a Trailer
Driving241

To add oil, unscrew and remove the
engine oil f ill cap on top of the valve
cover. Pour in the oil, and install the
engine oil f ill cap. Tighten it securely.
Wait a f ew minutes and recheck the
oil level. Do not f ill above the upper
mark; you could damage the engine.Pour the oil slowly and caref ully so
you do not spill. Clean up any spills
immediately. Spilled oil could
damage components in the engine
compartment.Oil is major contributor to your
engine’s perf ormance and longevity.
Always use a premium-grade
detergent oil displaying the API
Certif ication Seal. This seal indicates
the oil is energy conserving, and that
it meets the American Petroleum
Institute’s latest requirements. It is
highly recommended that you use
Honda Motor Oil in your car f or as
long as you own it.
A dding Oil
Recommended Oil
Engine Oil
Maint enance268
ENGINE OIL FILL CAPENGINE OIL FILL CAP
6-cylinder models
4-cylinder models

Remove the dipstick (yellow loop)
f rom the transmission and wipe it
with a clean cloth.
Check the f luid level with the engine
at normal operating temperature.
Insert the dipstick all the way into
the transmission securely as
shown in the illustration.
Remove the dipstick and check
the f luid level. It should be
between the upper and lower
marks.
Park the car on level ground. Shut
of f the engine. If the level is below the lower
mark, add f luid into the tube to
bring it to the upper mark. Always
use Honda ATF-Z1 (Automatic
Transmission Fluid). If it is not
available, you may use a
DEXRON
III automatic
transmission f luid as a temporary
replacement. However, continued
use can affect shift quality. Have
the transmission f lushed and
ref illed with Honda ATF-Z1 as
soon as it is convenient.
1.
2. 3.5.
4.
4-cylinder models
Automatic Transmission
T ransmission Fluid
Maint enance280
DIPSTICK UPPER MARK
LOWER MARK

6-cylinder models
Check the f luid level with the engine
at normal operating temperature.Park the car on level ground. Shut
of f the engine.
Remove the dipstick (yellow loop)
f rom the transmission and wipe it
with a clean cloth.
Insert the dipstick all the way back
into the transmission securely as
shown in the illustration.
The transmission should be drained
and ref illed with new f luid according
to the time and distance recommen-
dations in the maintenance schedule.
If you are not sure how to add f luid,
contact your Honda dealer.
To thoroughly f lush the transmission,
the technician should drain and ref ill
it with Honda ATF-Z1 (Automatic
Transmission Fluid), then drive the
car a short distance. Do this three
times. Then drain and ref ill the
transmission a f inal time.
1.
2.
6.
CONT INUED
Automatic Transmission
T ransmission Fluid
Maint enance281
DIPSTICK

If the level is below the lower
mark, add f luid into the tube to
bring it to the upper mark. Always
use Honda ATF-Z1 (Automatic
Transmission Fluid). If it is not
available, you may use a
DEXRON
III automatic
transmission f luid as a temporary
replacement. However, continued
use can affect shift quality. Have
the transmission f lushed and
ref illed with Honda ATF-Z1 as
soon as it is convenient. To thoroughly f lush the transmission,
the technician should drain and ref ill
it with Honda ATF-Z1 (Automatic
Transmission Fluid), then drive the
car a short distance. Do this three
times. Then drain and refill the
transmission a final time.
Remove the dipstick and check
the f luid level. It should be
between the upper and lower
marks. Insert the dipstick all the way into
the transmission securely as
shown in the illustration. 5.
3.
4.
T ransmission Fluid
Maint enance282
UPPER MARK
LOWER MARK

If Honda MTF is not available, you
may use an SAE 10W-30 or 10W-40
viscosity motor oil with the API
Certif ication seal that says ‘‘FOR
GASOLINE ENGINES’’ as a
temporary replacement. However,
motor oil does not contain the proper
additives and continued use can
cause stif f er shif ting. Replace as
soon as it is convenient.
The transmission should be drained
and ref illed with new f luid according
to the time and distance recommen-
dations in the maintenance schedule.
Insert the dipstick all the way back
into the transmission securely as
shown in the illustration.
The transmission should be drained
and ref illed with new f luid according
to the time and distance recommen-
dations in the maintenance schedule.
If you are not sure how to add f luid,
contact your Honda dealer.
Check the f luid level with the
transmission at normal operating
temperature and the car sitting on
level ground. Remove the
transmission f iller bolt and caref ully
f eel inside the bolt hole with your
f inger. The f luid level should be up
to the edge of the bolt hole. If it is
not, add Honda Manual Transmis-
sion Fluid (MTF) until it starts to
run out of the hole. Reinstall the
f iller bolt and tighten it securely.
6.
5-speed Manual Transmission
T ransmission Fluid
Maint enance283
FILLER BOLT
Correct level

Torque the spark plug. (If you do
not have a torque wrench, tighten
the spark plug two-thirds of a turn
af ter it contacts the cylinder head.)
Tightening torque: Put the new spark plug into the
socket, then screw it into the hole.
Screw it in by hand so you do not
crossthread it.Install the ignition coil. Reinstall
the hexagon socket head cap bolt.Push the wire connector onto the
ignition coil. Make sure it locks in
place.
Reinstall the cover on the front
cylinder bank while putting its
mounting clip in the hole on the
passenger’s side. Secure the cover
by turning the heads of the two
holding clips one-quarter turn
clockwise with a f lat-tipped
screwdriver. Repeat this procedure f or the
other f ive spark plugs.
NGK:
DENSO:
6.
7.
8.9.
10.
11.
Specif ications:
Spark Plugs (6-cylinder Models)
Maint enance293
13 lbf·ft (18 N·m , 1.8 kgf·m) IZFR6K-11
SKJ20DR-M11
Tighten the spark plugs caref ully. A
spark plug that is too loose can
overheat and damage the engine.
Overtightening can cause damage to
the threads in the cylinder head.

´
Tires that are marked ‘‘M S’’ or
‘‘All Season’’ on the sidewall have an
all-weather tread design. They
should be suitable f or most winter
driving conditions. Tires without
these markings are designed f or
optimum traction in dry conditions.
They may not provide adequate
perf ormance in winter driving.
For the best perf ormance in snowy
or icy conditions, you should install
snow tires or tire chains. They may
be required by local laws under
certain conditions. If you mount snow tires on your
Honda, make sure they are radial
tires of the same size and load range
as the original tires. Mount snow
tiresonallfourwheelstobalance
your car’s handling in all weather
conditions. Keep in mind the traction
provided by snow tires on dry roads
may not be as high as your car’s
original equipment tires. You should
drive cautiously even when the roads
are clear. Check with the tire dealer
f or maximum speed recommenda-
tions.Mount snow chains on your tires
when required by driving conditions
or local laws. Install them only on the
f ront tires.
Because your car has limited tire
clearance, Honda strongly
recommends using the chains listed
below, made by Security Chain
Company (SCC).
Link-type: SCC Quick Grip QG1130
Cable-types: SCC Radial Chain
CH2311T or SCC SC Cable SC1030
Link-type: SCC Quick Grip QG1134
Cable-types: SCC Radial Chain
CH2311T or SCC SC Cable SC1030
Cable-types: SCC Radial Chain
CH2311T or SCC SC Cable SC1030
DX
LXEX and V6
Winter DrivingSnow T ires T ire Chains
Maint enance
Tires
308