2009 HONDA S2000 check engine

This section covers the more
common problems that motorists
experience with their vehicles. It
gives you inf ormation about how to
safely evaluate the problem and what
to do to correct it. If the problem has
stranded you on the side of the road,
you may be able to get going again.
If not, you will also f ind instructions
on getting your vehicle towed.......................
Compact Spare Tire .200
....................
Changing a Flat Tire .201
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Repairing a Flat Tire .206
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If the Engine Won’t Start .212
................................
Jump Starting .214
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If the Engine Overheats .215
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Low Oil Pressure Indicator .218
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Charging System Indicator .218
.......
Malf unction Indicator Lamp .219
...............
Brake System Indicator .220
.......
Closing the Convertible Top .221
..............................................
Fuses .222
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Checking and Replacing .223
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Fuse Locations .226
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Emergency Towing .228
..........
If Your Vehicle Gets Stuck .228
Taking Care of the Unexpected
T aking Care of t he Unexpect ed
199
2009 S2000

Diagnosing why the engine won’t
start f alls into two areas, depending
on what you hear when you press
the ENGINE START button.You hear nothing, or almost
nothing. The engine’s starter
motor does not operate at all, or
operates very slowly.
You can hear the starter motor
operating normally, or the starter
motor sounds like it is spinning
f aster than normal, but the engine
does not start up and run. When you press the ENGINE
START button, you do not hear the
normal noise of the engine trying to
start. You may hear a clicking sound
or series of clicks, or nothing at all.
Check these things:
Check the transmission interlock.
The clutch pedal must be pushed
all the way to the f loor or the
starter will not operate.
Turn the ignition switch to the ON
(II) position. Turn on the
headlights, and check their
brightness. If the headlights are
very dim or do not come on at all,
the battery is discharged. See on page . Press the ENGINE START button,
then release it. If the headlights do
not dim, check the condition of the
fuses.If thefusesareOK,thereis
probably something wrong with
the electrical circuit f or the
ignition switch or starter motor.
You will need a qualif ied mechanic
to determine the problem. (See
on page .)
214 228
Nothing Happens or the Starter
Motor Operates Very Slowly
Jump Starting Emergency T owing
If theEngineWon’tStart
212
2009 S2000

If the headlights dim noticeably or
go out when you try to start the
engine, either the battery is
discharged or the connections are
corroded. Check the condition of the
battery and terminal connections
(see page ). You can then try
jump starting the vehicle from a
booster battery (see page ).In this case, the starter motor’s
speed sounds normal, or even f aster
than normal, when you press the
ENGINE START button, but the
engine does not run.
There may be an electrical
problem, such as no power to the
f uel pump. Check all the f uses
(see page ).
Are you using a properly coded
key? An improperly coded key will
cause the immobilizer system
indicator in the instrument panel
to blink rapidly (see page ).
Are you using the proper starting
procedure? Ref er to on page .
Do you have f uel? Check the f uel
gauge; the low f uel indicator may
not be working. If youfindnothingwrong,youwill
need a qualif ied mechanic to f ind the
problem. See
on page .
63
146
196
214 228222
T he Starter Operates Normally
Starting the
Engine Emergency T owing
If theEngineWon’tStart
T aking Care of t he Unexpect ed
213
2009 S2000

µThe reading on your vehicle’s
temperature gauge should stay in
the midrange under most conditions.
If it reaches the red mark, you
should determine the reason (hot
day, driving up a steep hill, etc.).
If your vehicle overheats, you should
take immediate action. The only
indication may be the temperature
gauge reading reaching the red
mark. Or you may see steam or
spray coming f rom under the hood.
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.
Once your vehicle is running,
disconnect the negative cable f rom
your vehicle, then f rom the
booster battery. Disconnect the
positive cable f rom your vehicle,
then from the booster battery.
Start your vehicle. If the starter
motor still operates slowly, check
that the jumper cables have good
metal-to-metal contact.
If the booster battery is in another
vehicle, have an assistant start
that vehicle and run it at a fast idle.
Connect the second jumper cable
to the negative ( ) terminal on
the booster battery. Connect the
other end to the boss on the intake
manif old as shown. Do not
connect this jumper cable to any
other part of the engine. 6.
7.
5.
4.
CONT INUED
Jump Starting, If the Engine Overheats
If the Engine Overheats
T aking Care of t he Unexpect ed
215
Driving with the temperature gauge
reading at the red mark can cause
serious damage to your engine.
2009 S2000

Look f or any obvious coolant leaks,
such as a split radiator hose.
Everything is still extremely hot,
so use caution. If you f ind a leak, it
must be repaired bef ore you
continue driving (seeon page ).
If the temperature gauge stays at
the red mark, turn of f the engine.
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 comes down to the midpoint,
then continue driving. If you see steam and/or spray
coming f rom under the hood, turn
of f the engine. Wait until you see
no more signs of steam or spray,
then open the hood. Saf ely pull to the side of the road.
Put the transmission in neutral,
and set the parking brake. Turn
of f the all accessories, and turn on
the hazard warning lights. If you don’t f ind an obvious leak,
check the coolant level in the
radiator reserve tank. Add coolant
if the level is below the MIN mark
(seeon
page ).
2. 1.
3. 4.
5.
6.
173 228
Emergency
Towing
A dding Engine Coolant
If theEngineOverheats
216
Steam and spray from an
overheated engine can
seriously scald you.
Do not open the hood if steam
is coming out.
2009 S2000

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
bef ore checking the radiator.Using gloves or a large heavy
cloth, turn the radiator cap
counterclockwise, without pushing
down, to the f irst stop. Af ter the
pressure releases, push down on
the cap, and turn it until it comes
off.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
on page ).
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.
Start the engine, and set the
temperature control dial to
maximum heat. Add coolant to the
radiator up to the base of the f iller
neck. If you do not have the
proper coolant mixture available,
you can add plain water.
Remember to have the cooling
system drained and ref illed with
the proper mixture as soon as you
can.
9.
8.
7. 10.
11.228
Emergency
Towing
If theEngineOverheats
T aking Care of t he Unexpect ed
217
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.
2009 S2000

Let the vehicle sit f or 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.
If necessary, add oil to bring the
level back to the full mark on the
dipstick (see page ).
Start the engine, and watch the oil
pressure indicator. If it does not go
out within 10 seconds, turn of f the
engine. There is a mechanical
problem that needs to be repaired
bef ore you can continue driving
(see on page).
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.
If the charging system indicator
comes on brightly when the engine
is running, the battery is not being
charged.
Go to a service station or garage
where you can get technical
assistance. Immediately turn of f 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.
Saf ely pull of f the road and shut
of f the engine. Turn on the hazard
warning lights.
1.
2.
3.
4. 170
131
228
L ow Oil Pressure Indicator, Charging System Indicator
Emergency T owing
L ow Oil Pressure
Indicator
Charging System
Indicator
218
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.
2009 S2000

If the indicator comes on repeatedly,
even though it may go of f as you
continue driving, have your vehicle
checked by a dealer as soon as
possible.
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, it can
reduce your f uel economy and cause
increased emissions. Continued
operation may cause serious damage.
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 you have recently ref ueled your
vehicle, the indicator coming on
could be due to a loose or missing
f uel f ill cap. You will also see a
‘‘CHECK FUEL CAP’’ message on
the inf ormation display. Tighten the
cap until it clicks at least once.
Tightening the cap will not turn the
indicator of f immediately; it can take
several days of normal driving. 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 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 f ive times, the readiness
codes are not set. If possible, do not
take your vehicle f or an emissions
test until the readiness codes are set.
Refer to
for
more information (see page ). 245
Malf unction Indicator L amp
Readiness Codes
Emissions T estingT aking Care of t he Unexpect ed
219
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.
2009 S2000