2001 HONDA CIVIC check engine

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 .)
1. 2. 3. 4.
164 205 286
L ow Oil Pressure Indicator
T aking Care of t he Unexpect edEmergency
Towing
275
LLOOWWOOIILLPPRREESSSSUURREEIINNDDIICCAATTOORRRunning 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 fuel fill 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.
CONT INUED
T aking Care of t he Unexpect ed
Malf unction Indicator L amp
277
MMAALLFFUUNNCCTTIIOONNIINNDDIICCAATTOORRLLAAMMPP 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. 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. See State
Emissions Testing on pages and
. 301
302
Malf unction Indicator L amp
T aking Care of t he Unexpect ed
Readiness Codes 278

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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:
310 NOTE: Dealers and Companies please provide dealer or company name,
and also the name of the person to whose attention the shipment should
be sent. For purchases outside U.S.A. please write to the address shown
below for a quotation.
P.O. BOX 07280·DETROIT, MICHIGAN 48207·1-800-782-4356
Customer Name
Attention
Apartment Number
State & Zip Code
City
Daytime Telephone Number
Check or money order enclosed payable to Helm Inc U.S. funds only.
Do not send cash
Master
Card VISA Check here if your billing address is different
from the shipping address shown above.
Account Number Expiration: Mo. Yr.
CUSTOMER SIGNATURE DATE
Street Address No P.O. Box Number
()
These Publications cannot be returned for credit without receiving advance authorization within 14
days of delivery. On returns, a restocking fee may be applied against the original order.

CONT INUED
...
Accessories and Modif ications . 167
................................
Accessories . 167
...
Additional Safety Precaution . 168
............................
Modif ications . 168
ACCESSORY (Ignition Key .......................................
Position) . 83
.............
Accessory Power Socket . 102
....................
Additives, Engine Oil . 206
.............................
Airbag (SRS) . 10, 48
.....................
Air Cleaner Element . 221
..............
Air Conditioning System . 106
......................
Maintenance . 230, 231
.........................................
Usage . 106
.......................
Air Outlets (Vents) . 108
.......................
Air Pressure, Tires . 234
..................
High Speed Driving . 235
.........................
Normal Driving . 235
.......................
Alcohol in Gasoline . 296
......................................
Antif reeze . 209
Anti-lock Brakes (ABS)
....................
Indicator Light . 62, 187
...................................
Operation . 185
Anti-thef t Steering Column ..............................................
Lock . 82 ..........................
Appearance Care . 253
................
Audio System . 114, 126, 138
...............
Automatic Speed Control . 76
..............
Automatic Transmission . 178
..........................
Capacity,Fluid .292
...............
Checking Fluid Level . 216
.......................................
Shif ting . 179
.
Shif t Lever Position Indicator . 178
................
Shif t Lever Positions . 179
....................
Shif t Lock Release . 182
Battery Charging System ...........................
Indicator . 62, 276
............................
Jump Starting . 270
..............................
Maintenance . 226
............................
Specif ications . 293
..............................
Bef ore Driving . 159
....................................
Belts,Seat .8,44
...........................
Beverage Holder . 101
.................................
Body Repairs . 260
Brakes
...........
Anti-lock System (ABS) . 185
.............
Break-in, New Linings . 160 ............
Bulb Replacement . 246, 247
...........................................
Fluid . 218
.........................................
Parking . 99
.................
System Indicator . 62, 279
........................
Wear Indicators . 184
.............................
Braking System . 184
........................
Break-in, New Car . 160
..
Brightness Control, Instruments . 71
........................
Brights, Headlights . 70
Bulb Replacement
..........................
Back-up Lights . 247
..............................
Brake Lights . 246
..............................
Ceiling Light . 250
................
Front Parking Lights . 244
........
Front Side Marker Lights . 244
.................................
Headlights . 243
.........
High-mount Brake Light . 247
.................
License Plate Lights . 248
.........
Rear Side Marker Lights . 246
............................
Specif ications . 293
...................................
Spotlights . 250
...............................
Trunk Light . 249
....................
Turn Signal Lights . 244
..............................
Bulbs, Halogen . 243
Index
A
B
I

Î
............................
Capacities Chart . 292
.............
Carbon Monoxide Hazard . 54
.............................
Carrying Cargo . 169
Cassette Player
............................................
Care . 156
...................
Operation . 120, 132, 153
..............
CAUTION, Explanation of . ii
..................
CD Changer . 123, 135, 149
......................
CD Player . 123, 135, 147
..................................
Ceiling Light . 103
........................
Certif ication Label . 290
............................................
Chains . 240
....................
Changing a Flat Tire . 263
............
Changing Engine Coolant . 211
Changing Oil
........................................
How to . 207
......................................
When to . 194
...
Charging System Indicator . 62, 276
............
Checklist, Bef ore Driving . 174
.....................................
Child Saf ety . 21
Child Seats
.......................
Lower Anchorage . 42
..........
Tether Anchorage Points . 41
..................
Childproof Door Locks . 88 ....................
Cleaner Element, Air . 221
Cleaning
......................................
Exterior . 254
.......................................
Interior . 256
...................................
Seat Belts . 257
...........................................
Vinyl . 257
....................................
Windows . 258
.........
Clock, Setting the . 119, 131, 143
...................................
Clutch Fluid . 219
........................
CO in the Exhaust . 298
............
Cold Weather, Starting in . 175
..............................
Compact Spare . 262
...............
Consumer Inf ormation . 304
.............
Controls, Instruments and . 57
Coolant
........................................
Adding . 209
....................................
Checking . 165
.........................
Proper Solution . 209
...................................
Replacing . 211
...................
Temperature Gauge . 68
....................
Corrosion Protection . 259
Crankcase Emissions Control
........................................
System . 298
..............
Cruise Control Operation . 76
..........
Customer Relations Of f ice . 304 ................
DANGER, Explanation of . ii
...................................
Dashboard . 2, 58
................
Daytime Running Lights . 71
............
Def ects, Reporting Saf ety . 308
........................
Def og and Def rost . 111
................
Def ogger, Rear Window . 74
..............
Def rosting the Windows . 111
....................................
Dimensions . 292
...............
Dimming the Headlights . 71
Dipstick
..........
Automatic Transmission . 216
..................................
Engine Oil . 164
..........................
Directional Signals . 72
........
Disc Brake Wear Indicators . 184
.....................
Disposal of Used Oil . 208
Doors
..............
Locking and Unlocking . 83
......................
Power Door Locks . 84
..........
DOT Tire Quality Grading . 294
Downshif ting, 5-speed Manual
.............................
Transmission . 176
.....................................
Drive Belts . 233
...........
Driver and Passenger Safety . 5
Index
C D
II

CONT INUED
...........................................
Driving . 173
....................................
Economy . 166
.........................
In Bad Weather . 188
................
In Foreign Countries . 297
............................
Fabric, Cleaning . 257
...................................
Fan, Interior . 106
Features, Comfort and
..............................
Convenience . 105
....................
Filling the Fuel Tank . 161
Filters
................................
Air Cleaner . 221
.......................
Air Conditioning . 231
...............................................
Oil . 207 5-speed Manual Transmission
...............
Checking Fluid Level . 217
................................
Shif ting the . 176
.............
Flashers, Hazard Warning . 74
...................
Flat Tire, Changing a . 263
Fluids
..........
Automatic Transmission . 216
..........................................
Brake . 218
.........................................
Clutch . 219
..............
Manual Transmission . 217
..........................
Power Steering . 220
..................
Windshield Washer . 215
FM Stereo Radio ...................................
Reception . 145
...........................
Folding Rear Seat . 93
.....
Foreign Countries, Driving in . 297
..........................
Four-way Flashers . 74
.................................................
Fuel . 160
......................
Fill Door and Cap . 161
...........................................
Gauge . 67
................
Octane Requirement . 160
...............................
Oxygenated . 296
........................
Reserve Indicator . 63
........................
Tank, Filling the . 161
.....................
Fuses, Checking the . 282
..............................
Economy, Fuel . 166
............
Emergencies on the Road . 286
.............
Battery, Jump Starting . 270
...........
Brake System Indicator . 279
................
Changing a Flat Tire . 263
.....
Charging System Indicator . 276
..................
Checking the Fuses . 282
.....
Low Oil Pressure Indicator . 275
...
Malf unction Indicator Lamp . 277
...
Manually Closing Moonroof . 279
..................
Overheated Engine . 272
...........................
Emergency Brake . 99
......................
Emergency Flashers . 74
......................
Emergency Towing . 286
.......................
Emissions Controls . 298
.............
Emissions Testing, State . 301Engine
....
Coolant Temperature Gauge . 68
.................................
Drive Belts . 233 Malf unction Indicator
................................
Lamp . 63, 277
........
Oil Pressure Indicator . 62, 275
..............
Oil, What Kind to Use . 205
...............................
Overheating . 272
............................
Specif ications . 292
.......................................
Starting . 175
......
Engine Speed Limiter . 177, 181
......................
Ethanol in Gasoline . 296
.
Evaporative Emissions Controls . 298
...............................
Exhaust Fumes . 54
Expectant Mothers, Use of Seat
........................................
Belts by . 19
..................
Exterior, Cleaning the . 254
Index
E
F
III

CONT INUED
.......................
Label, Certif ication . 290
.................
Lane Change, Signaling . 72
........................
Lap/Shoulder Belts . 44
Lights
....................
Bulb Replacement . 243
.......................................
Indicator . 59
.........................................
Parking . 70
..................................
Turn Signal . 72
.....................................
Load Limit . 170
......
LOCK (Ignition Key Position) . 82
Locks
.......
Anti-thef t Steering Column . 82
............................
Fuel Fill Door . 161
.................................
Power Door . 84
...........................................
Trunk . 88
........................
Low Coolant Level . 165
.........................
Low Fuel Indicator . 63
...........................
Lower Anchorage . 42
...
Lower Gear, Downshif ting to a . 177
...
Low Oil Pressure Indicator . 62, 275
...
Lubricant Specif ications Chart . 292
.........................................
Luggage . 169 ..................................
Maintenance . 191
...
Owner Maintenance Checks . 203
.................................
Record . 201-202
......................
Required Indicator . 64
..........................................
Saf ety . 192
.............................
Schedule . 194-200
.
Malf unction Indicator Lamp . 63, 277
...................
Manual Transmission . 176
........
Manual Transmission Fluid . 219
...............................
Meters, Gauges . 66
...................
Methanol in Gasoline . 296
..........................
Mirrors, Adjusting . 98
.........................................
Moonroof . 97
......................
Closing Manually . 279
.....................................
Operation . 97
...................
Neutral Gear Position . 180
..................
New Vehicle Break-in . 160
.....................
Normal Shif t Speeds . 177
...................
NOTICE, Explanation of . i
...............
Numbers, Identif ication . 290 ...
Octane Requirement, Gasoline . 160
.........................................
Odometer . 66
...............................
Odometer, Trip . 67
Oil
........................
Change, How to . 207
......................
Change, When to . 194
......................
Checking Engine . 164
..............
Pressure Indicator . 62, 275
Selecting Proper Viscosity
......................................
Chart . 206
...........
ON (Ignition Key Position) . 83
Onboard Ref ueling Vapor
....................................
Recovery . 298
..
Operation in Foreign Countries . 297
..............................
Outside Mirrors . 98
....................
Overheating, Engine . 272
.......
Owner Maintenance Checks . 203
.........................
Oxygenated Fuels . 296
Index
LM
N O
V