2003 HONDA PILOT ECU

When climbing hills, closely watch
your temperature gauge. If it nears
the red (Hot) mark, turn the air
conditioning of f , reduce speed and, if
necessary, pull to the side of the
road to let the engine cool.
If the transmission shif ts f requently
while going up a hill, shif t down one
gear.
If you must stop when f acing uphill,
use the f oot brake or parking brake.
Do not try to hold the vehicle in
placebypressingontheaccelerator,
as this can cause the automatic
transmission to overheat.
When driving down hills, reduce
your speed and shif t down to D . Do
not ‘‘ride’’ the brakes, and remember
it will take longer to slow down and
stop when towing a trailer.Crosswinds and air turbulence
caused by passing trucks can disrupt
your steering and cause your trailer
to sway. When being passed by a
truck or other large vehicle, keep a
constant speed and steer straight
ahead. Do not try to make quick
steering or braking corrections.
Always drive slowly and have
someone guide you when backing up.
Grip the of the steering
wheel; then turn the wheel to the lef t
to get the trailer to move to the lef t,
andturnthewheelrighttomovethe
trailer to the right.
Follow all normal precautions when
parking, including putting the
transmission in PARK and f irmly
setting the parking brake when you
have f inished parking.
Donotparkonaninclineunlessitis
unavoidable. If you must park on an
incline, turn the vehicle wheels
toward the curb on a downhill and
awayfromthecurbonanuphill.
After parking, place wheel chocks at
each trailer tire, on the downhill side.
If the vehicle wheels slip when
retrieving a boat f rom the water,
shifttofirstgearandturnonVTM-4
Lock (see page ).
Disengage VTM-4 Lock as soon as
the boat is out of the water to
prevent damage to the VTM-4
system.
238
3
bottom
Driving on Hills
Handling Crosswinds and
T urbulence
Backing Up Parking
Ret rieving a Boat
Towing a Trailer
Driving258

The route presents limits (some
roads are too steep and bumpy f or
example). You have limits (in driving
skills and comf ort). And your vehicle
also has limits (traction, stability, and
power, f or instance).
Driving of f -highway can be
hazardous if you f ail to recognize
limits and take proper precautions.
For example, you can have an
accident or rollover during
maneuvers such as turning, driving
on hills, or over large obstacles.
On many unpaved roads, you won’t
f ind lane markers, traf f ic signals, or
signs to warn you of possible trouble
ahead. It’s up to you to continually
assess the situation and drive within
limits.
Remember that your Pilot has higher
ground clearance and a higher
center of gravity than passenger
vehicles designed f or use only on
pavement. This means your vehicle
can more easily tip or roll over if you
make abrupt turns or drive on slopes.
Be sure to store cargo properly, and
do not exceed your Pilot cargo load
limits (see pages and ).
Utility vehicles have a signif icantly
higher rollover rate than other types
of vehicles. To avoid loss of control
or rollover, be sure to f ollow all
recommendations and precautions
on page and in this section.
Seat belts are just as important of f -
road as on paved roads. Wherever
you drive, make sure you and your
passengers always wear seat belts. If
children or inf ants are along f or the
ride, see that they are properly
secured. In a rollover crash, an
unbelted person is more likely to die
than a person wearing a seat belt. 230
226 247
Important Saf ety Precautions
Off-Highway Guidelines
Driving262
Improperly operating this
vehicle on or off-pavement can
cause an accident or rollover in
which you and your passengers
could be seriously injured or
killed.
Follow all instructions and
guidelines in the owner’s
manual.
Keep your speed low and
don’t drive faster than
conditions permit.

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.Make sure the API Certif ication Seal
says ‘‘For Gasoline Engines.’’
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.
Honda Motor Oil is the pref erred
5W-20 lubricant f or your vehicle. It is
highly recommended that you use
Honda Motor Oil in your vehicle f or
optimum engine protection. Oil is a major contributor to your
engine’s perf ormance and longevity.
Always use a premium-grade 5W-20
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.
CONT INUED
A dding Oil
Recommended Oil
Engine Oil
Maint enance283
ENGINE OIL FILL CAP
API CERTIFICATION SEAL

When the coolant stops draining,
tightenthedrainplugatthe
bottom of the radiator.
Tighten the drain bolt at the rear
of the engine cylinder block
securely.
Tightening torque:
Remove the reserve tank f rom its
holder by pulling it straight up.
Drain the coolant, then put the
tank back in its holder.
Install a rubber hose on the drain
bolt in the back of the engine
block. Loosen the drain bolt. 6.
4. 5. 7.
Cooling Syst em
Maint enance290
DRAIN BOLT
RESERVE TANK
HOLDER RESERVE
TANK CAP
7 lbf·ft (10 N·m , 1.0 kgf·m)

Put a new washer on the f iller bolt,
then reinstall the f iller bolt. Tighten
it securely. Tightening torque:
The dif f erential should be drained
and ref illed with new f luid according
to the time and distance
recommendations in the
maintenance schedule.
Check the f luid level with the
dif f erential at normal operating
temperature and the vehicle sitting
on level ground. Remove the
dif f erential f luid f iller bolt and
washer, 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, slowly add
VTM-4 Dif f erential Fluid until it
starts to run out of the hole.
Maint enance
Dif f erential Fluid
294
FILLER BOLT
CORRECT LEVEL
33 lbf·ft (45 N·m , 4.6 kgf·m)

´
µ
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:Spark Plug Gap:
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.
Repeat this procedure f or the
other f ive spark plugs.
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. NGK:
DENSO:
8. 9.
10.
11. 12. Specif ications:
Spark Plugs
Maint enance301
13 lbf·ft (18 N·m , 1.8 kgf·m)
0.04 in (1.1 mm)
PKJ16CR-L11 PZFR5F-11
0
0.1 mm
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.

Frequent washing helps preserve
your vehicle’s beauty. Dirt and grit
can scratch the paint, while tree sap
and bird droppings can permanently
ruin the f inish.
Wash your vehicle in a shady area,
not in direct sunlight. If the vehicle is
parked in the sun, move it into the
shade and let the exterior cool down
bef ore you start.When you have washed and rinsed
the whole exterior, dry it with a
chamois or sof t towel. Letting it
air-dry will cause dulling and water
spots.
Rinse the vehicle thoroughly with
cool water to remove loose dirt.
Only use the solvents and cleaners
recommendedinthisOwner’s
Manual. Fill a bucket with cool water. Mix
in a mild detergent, such as
dishwashing liquid or a product
made especially f or car washing.
Wash the vehicle using the water
and detergent solution and a sof t-
bristle brush, sponge, or sof t cloth.
Start at the top and work your way
down. Rinse f requently.
Check the body f or road tar, tree
sap, etc. Remove these stains with
tar remover or turpentine. Rinse it
of f immediately so it does not
harm the f inish. Remember to re-
wax these areas, even if the rest of
the vehicle does not need waxing.As you dry the vehicle, inspect it f or
chips and scratches that could allow
corrosion to start. Repair them with
touch-up paint (see page ).
327
Exterior Care
Appearance Care
Washing
326
Chemical solvents and strong cleaners
can damage the paint, metal, and
plastic on your vehicle. The radio antenna on your vehicle does
not need to be removed when you use a
‘‘drive-through’’ car wash. However, if
you remove the antenna, make sure to
reinstall it and tighten it securely using
an appropriate tool.

Dirt build-up in the loops of the seat
belt anchors can cause the belts to
retract slowly. Wipe the insides of
the loops with a clean cloth
dampened in mild soap and warm
water or isopropyl alcohol.Clean the windows, inside and out,
with a commercially-available glass
cleaner. You can also use a mixture
of one part white vinegar to ten parts
water. This will remove the haze that
builds up on the inside of the
windows. Use a sof t cloth or paper
towels to clean all glass and clear
plastic surf aces.If you want to use an air f reshener/
deodorizer in the interior of your
vehicle, it is best to use a solid type.
Some liquid air f resheners contain
chemicals that may cause parts of
the interior trim and f abric to crack
or discolor.
If youusealiquidairfreshener,
make sure you f asten it securely so it
does not spill as you drive.
Windows
A ir Fresheners
Interior Care
Appearance Care330
The rear window def ogger wires are
bonded to the inside of the glass.
Wiping vigorously up-and-down can
dislodge and break the def ogger wires.
When cleaning the rear window, use
gentle pressure and wipe side-to-side.