2003 HONDA CIVIC HYBRID check engine

To jump start your car, f ollow these
directions closely:Open the hood and check the
physical condition of the battery
(see page ). In very cold
weather, check the condition of
the electrolyte. If it seems slushy
or like ice, do not try jump starting
until it thaws. Turn of f all the electrical acces-
sories: heater, A/C, stereo system,
lights, etc.
Put the transmission in Neutral or
Park, and set the parking brake.
If your car’s 12 volt battery has run
down,youmaybeabletostartthe
engine by using a booster battery.
Although this seems like a simple
procedure, you should take several
precautions.
You cannot start a Honda with an
automatic transmission (CVT) by
pushing or pulling it. 1.
2.
216
CONT INUED
Jump Starting
T aking Care of t he Unexpect ed265
A battery can explode if you do
not follow the correct procedure,
seriously injuring anyone
nearby.
Keep all sparks, open flames,
and smoking materials away
from the battery. If a battery sits in extreme cold, the
electrolyte inside can f reeze.
Attempting to jump start with a f rozen
battery can cause it to rupture.

CONT INUED
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
(climbing a long, steep hill on a
hot day with the A/C running, f or
example), the engine should start
to cool down almost immediately.
If it does, wait until the tempera-
ture gauge comes down to the mid-
point then continue driving.
If the temperature gauge stays at
the red mark, turn of f the engine.
Wait until you see no more signs
of steam or spray, then open the
hood.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 (see
on page ).
If you don’t f ind an obvious leak,
check the coolant level in the
radiator reserve tank (see page ). If the level is below the
MIN mark, add coolant to halfway
between the MIN and MAX marks. If there was no coolant in the
reserve tank, you may also have 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.
3.
4.
5. 6.
7.
8.
282
149
T aking Care of t he Unexpect ed
If Your Engine Overheats
Emergency
Towing
269
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.

Using gloves or a large heavy
cloth, turn the radiator cap
counterclockwise, without pushing
down, to the f irst stop. This
releases any remaining pressure in
the cooling system. 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. 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.Put the radiator cap back on
tightly. Run the engine and watch
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.
9.
10. 11.
12.
282
T aking Care of t he Unexpect ed
If Your Engine Overheats
Emergency
Towing
270

This indicator should light when the
ignition switch is ON (II), and go out
af ter the engine starts. It should
never come on when the engine is
running. If it starts f lashing, it
indicates that the oil pressure
dropped very low f or a moment, then
recovered. If the indicator stays on
with the engine running, it shows
that the engine has lost oil pressure
and serious engine damage is
possible. In either case, you should
take immediate action.Saf ely pull of f the road and shut
of f the engine. Turn on the hazard
warning indicators.
If necessary, add oil to bring the
level back to the full mark on the
dipstick (see page ). Letthecarsitforaminute.Open
the hood and check the oil level
(see page ). Although oil level
and oil pressure are not directly
connected, an engine that is very
low on oil can lose pressure during
cornering and other driving
maneuvers.Start the engine and watch the oil
pressure indicator. If the light
does not go out within ten 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 .)
The engine running generates the oil
pressure. When the Auto Idle Stop is
activated, the engine is stopped, the
oil pressure is dropped, and the low
oil pressure indicator does not light.
1.
2.
3. 4.
148 195 282
L ow Oil Pressure Indicator
T aking Care of t he Unexpect ed
Emergency
Towing
271
LOW OIL PRESSURE INDICATOR
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 car stopped.

If you have recently ref ueled your
car, the cause of this indicator
coming on could be a loose or
missing f uel f ill cap. Check the cap
and tighten it until it clicks several
times. Replace the f uel f ill cap if it is
missing. Tightening the cap will not
make the indicator turn of f
immediately; it takes one driving trip.
If the indicator remains on past one
driving trip, or the f uel cap was not
loose or missing, have the car
checked by the dealer as soon as
possible. Drive moderately until the
dealer has inspected the problem.
Avoid full-throttle acceleration and
driving at high speed.Youshouldalsohavethedealer
inspect your car if this indicator
comes on repeatedly, even though it
may turn of f as you continue driving.
This indicator should light when the
ignition switch is ON (II), and go out
af ter the engine starts. If it comes on
at any other time, it indicates one of
the engine’s emissions control
systems may have a problem. Even
though you may f eel no dif f erence in
your car’s perf ormance, it can
reduce your f uel economy and cause
your car to put out excessive
emissions. Continued operation may
cause serious damage. This indicator may also come on
along with the ‘‘D’’ indicator.
CONT INUED
T aking Care of t he Unexpect ed
Malf unction Indicator L amp
273
MALFUNCTION INDICATOR LAMP
If you keep driving with the
malf unction indicator lamp on, you can
damage your car’s emissions controls
and engine. Those repairs may not be
covered by your car’s warranties.

Your car 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 car’s battery has been
disconnected or gone dead, these
codes are erased. It takes several
days of driving under various
conditions to set the codes again.If possible, do not take your car f or a
state emissions test until the
readiness codes are set. Ref er to
State Emissions Testing f or more
inf ormation. (See page .)
To check if they are set, turn the
ignition ON (II), but do not start 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.
297
Malf unction Indicator L amp
T aking Care of t he Unexpect ed
Readiness Codes
274

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#
) This manual describes the procedures involved in the
replacement of damaged body parts. This manual covers maintenance and recommended
procedures f or repair to engine and chassis components.
It is written f or the Journeyman mechanic, but is simple
enough f or most mechanically-inclined owners to under-
stand.
This manual complements the Service Manual by
providing in-depth troubleshooting inf ormation f or each
electrical circuit in your vehicle.
Authorized Manuals
Service Manual:
Electrical T roubleshooting Manual:
Body Repair Manual:
304
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below for a quotation.
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()
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days of delivery. On returns, a restocking fee may be applied against the original order.

CONT INUED
...
Accessories and Modif ications . 152
................................
Accessories .152
.
Additional Safety Precautions . 153
............................
Modif ications .153
ACCESSORY (Ignition Key .......................................
Position) .87
.............
Accessory Power Socket . 103
....................
Additives, Engine Oil . 196
.............................
Airbag (SRS) .10, 48
.....................
Air Cleaner Element .211
..............
Air Conditioning System . 108
..............................
Maintenance .221
.........................................
Usage .110
.......................
Air Outlets (Vents) .108
.......................
Air Pressure, Tires .225
..................
High Speed Driving . 226
.........................
Normal Driving .226
.......................
Alcohol in Gasoline .292
......................................
Antif reeze .199
Anti-lock Brakes (ABS) ...............................
Indicator .62, 177
...................................
Operation .175
..............
Anti-thef t, Audio System . 137Anti-thef t Steering Column
..............................................
Lock .86
..........................
Appearance Care .245
................................
Audio System .118
........................
Auto Idle Stop .163, 171
.............................
Indicator .164, 172
...
Automatic Seat Belt Tensioners . 46
.............
Automatic Speed Control . 139
.
Automatic Transmission (CVT) . 166
..........................
Capacity, Fluid .288
...............
Checking Fluid Level . 206
.......................................
Shif ting .167
.
Shif t Lever Position Indicator . 166
................
Shif t Lever Positions . 167
....................
Shif t Lock Release . 170
Battery Charging System ...........................
Indicator .62, 272
............................
Jump Starting .265
.................................
Level Gauge .72
..............................
Maintenance .216
............................
Specif ications .289
..............................
Bef ore Driving .143 ....................................
Belts,Seat .8,45
...........................
Beverage Holder .102
.................................
Body Repairs .253
Brakes ...........
Anti-lock System (ABS) . 175
.............
Break-in, New Linings . 144
....................
Bulb Replacement .237
...........................................
Fluid .209
.......................................
Parking .100
.................
System Indicator . 62,275
........................
Wear Indicators .174
.............................
Braking System .174
........................
Break-in, New Car .144
..
Brightness Control, Instruments . 77
........................
Brights, Headlights .75
Index
A
B
I