2003 HONDA ACCORD air

The emissions control systems are
covered by warranties separate f rom
the rest of your car. Read your
warranty manual f or more inf orma-
tion.
The emissions control systems are
designed and certif ied to work to-
gether in reducing emissions to
levels that comply with the Clean Air
Act. To make sure the emissions
remain low, you should use only new
genuine Honda replacement parts or
their equivalent f or repairs. Using
lowerqualitypartsmayincreasethe
emissions f rom your car.
The PGM-FI System uses sequential
multiport f uel injection.
It has three subsystems: Air Intake,
Engine Control, and Fuel Control.
The Engine Control Module (ECM)
or the Powertrain Control Module
(PCM) uses various sensors to
determine how much air is going
into the engine. It then controls how
much f uel to inject under all operat- ing conditions.
This system constantly adjusts the
ignition timing, reducing the amount
of HC, CO and NOx produced.
The exhaust emissions controls
include f our systems: PGM-FI,
Ignition Timing Control, Exhaust
Gas Recirculation and Three Way
Catalytic Converter. These four
systems work together to control the
engine’s combustion and minimize
the amount of HC, CO, and NOx that
comes out the tailpipe. The exhaust
emissions control systems are
separate f rom the crankcase and
evaporative emissions control
systems. The Exhaust Gas Recirculation
(EGR) system takes some of the
exhaust gas and routes it back into
the intake manif old. Adding exhaust
gas to the air/f uel mixture reduces
the amount of NOx produced when
the f uel is burned.
The three way catalytic converter is
in the exhaust system. Through
chemical reactions, it converts HC,
CO, and NOx in the engine’s exhaust
to carbon dioxide (CO ), dinitrogen
(N ), and water vapor.
2
2
Replacement Parts
Exhaust Emissions Controls
Emissions Cont rols
T echnical Inf ormation
PGM-FI Syst em Ignit ion T iming Cont rol Syst em
Exhaust Gas Recirculat ion (EGR)Syst em
Three Way Catalytic Converter
372
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Always use unleaded gasoline.
Even a small amount of leaded
gasoline can contaminate the
catalyst metals, making the three
way catalytic converter inef f ective.
The three way catalytic converter
contains precious metals that serve
as catalysts, promoting chemical
reactions to convert the exhaust
gasses without af f ecting the metals.
The catalytic converter is ref erred to
as a three-way catalyst, since it acts
on HC, CO, and NOx. A replacement
unit must be an original Honda part
or its equivalent.
The three way catalytic converter
must operate at a high temperature
for the chemical reactions to take
place. It can set on f ire any com-
bustible materials that come near it.
Park your car away f rom high grass,
dry leaves, or other f lammables.
A defective three way catalytic
converter contributes to air pollution,
and can impair your engine’s per-
f ormance. Follow these guidelines to
protect your car’s three way catalytic
converter. Keep the engine tuned-up.
Have your car diagnosed and
repaired if it is misf iring, back-
f iring, stalling, or otherwise not
running properly.
Three Way Catalytic Converter
T echnical Inf ormation373
4-cylinder models
6-cylinder models
THREE WAY CATALYTIC CONVERTER
THREE WAY CATALYTIC CONVERTERS
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Valid only f or sales within the U.S. Canadian owners should
contact their authorized Honda dealer.
T he publications shown below can be purchased f rom Helm
Incorporated. You can order in any of three ways: Detach and mail the order f orm on the right half of this page
Call Helm Inc. at 1-800-782-4356
Go online at
If you are interested in other years or models, contact Helm Inc. at 1-800-782-4356
(credit card orders only)
Authorized Manuals
Purchasing Factory Authorized Manuals (U.S. only)
381
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Form Description
2003 Honda Accord Service Manual
2003 Honda Accord V6
Service Manual Supplement 2003 Honda Accord
Electrical Troubleshooting Manual
2003 Honda Accord Body Repair Manual
2003 Honda Accord 4 DoorOwner’s Manual
2003 Honda Accord Navigation System Owner’s Manual
2003 Honda Accord 4 Door Quick Start Guide
Order Form for Previous Years-
Indicate Year and Model Desired
Publication
Form Number
61SDA00 61SDA01
61SDA00EL
61SDA30
31SDA60031SDA700
31SDAQ00
HON-R Price
Each
$70.00$40.00$50.00$44.00 $34.00 $29.00$10.00
FREE
PUBLICATION NUMBER VEHICLE MODEL
Name Year Qty
Price
Each Total
Price
GRAND TOTAL
HANDLING CHARGE
Mich. Purchases
Add 6% Sales Tax
TOTAL MATERIAL
$6.00
Prices are subject to change without
notice and without incurring obligation.
Orders are mailed within 10 days. Please
allow adequate time for delivery. Monday-Friday 8:00 A.M. 6:00 P.M. EST
By completing this form you can order the materials desired. You can
pay by check or money order, or charge to your credit card. Mail to
Helm Incorporated at the address shown on the back of the order form.
Prices are subject to change without notice and without incurring
obligation. www. helminc. com
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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 car.
Authorized Manuals
Service Manual:
Electrical T roubleshooting Manual:
Body Repair Manual:
382 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
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()
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.
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CONT INUED
Battery......
Charging System Light . 58, 348
............................
Jump Starting . 342
..............................
Maintenance . 294
............................
Specif ications . 365
..............................
Bef ore Driving . 203
..........................................
Belts, Seat . 8
.........................
Beverage Holders . 104
...................................
Body Repair . 332
Brakes
...........
Anti-lock System (ABS) . 230
.............
Break-in, New Linings . 204
....................
Bulb Replacement . 317
...........................................
Fluid . 284
.......................................
Parking . 102 .........................
System Indicator . 58
........................
Wear Indicators . 229
.............................
Braking System . 229
........................
Break-in, New Car . 204
..
Brightness Control, Instruments . 69
........................
Brights, Headlights . 68
Bulb Replacement
..........................
Back-up Lights . 318
..............................
Brake Lights . 317
..............................
Ceiling Light . 320
................
Door Courtesy Light . 321
................
Front Parking Lights . 315
.................................
Headlights . 312
.........
High-mount Brake Light . 319
...................
License Plate Light . 319
............................
Specif ications . 365
...................................
Spotlights . 321
...............................
Trunk Light . 322
....................
Turn Signal Lights . 315
................
Vanity Mirror Lights . 321
..............................
Bulbs, Halogen . 312
...
Accessories and Modif ications . 212
................................
Accessories . 212
.
Additional Safety Precautions . 213
............................
Modif ications . 213
ACCESSORY (Ignition Key .......................................
Position) . 78
.............
Accessory Power Socket . 107
....................
Additives, Engine Oil . 270
.....................................
Airbag (SRS) . 9
.....................
Air Cleaner Element . 286
............................
Air Conditioning . 112
..............................
Maintenance . 299
.........................................
Usage . 112
.......................
Air Pressure, Tires . 304
.......................
Alcohol in Gasoline . 369
......................................
Antif reeze . 273
Anti-lock Brakes (ABS)
................................
Description . 230
...............................
Indicator . 57, 231
...................................
Operation . 230
.
Anti-thef t Steering Column Lock . 77
..........................
Appearance Care . 325
..........................................
Armrest . 103
................
Audio System . 134, 150, 169 .............
Automatic Speed Control . 195
..............
Automatic Transmission . 222
..........................
Capacity, Fluid . 364
.......
Checking Fluid Level . 280, 281
.......................................
Shif ting . 223
.
Shif t Lever Position Indicator . 223
................
Shif t Lever Positions . 223
....................
Shif t Lock Release . 226
Index
A
B
I
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............................
Capacities Chart . 364
.............
Carbon Monoxide Hazard . 52
.............................
Carrying Cargo . 214
..............
CAUTION, Explanation of . ii
..................
CD Changer . 142, 157, 177
.......................................
CD Player . 140
........................
CD Pocket, Center . 105
........................
Certif ication Label . 362
............................................
Chains . 308
....................
Changing a Flat Tire . 335
............
Changing Engine Coolant . 275
Changing Oil
........................................
How to . 270
......................................
When to . 250
...
Charging System Indicator . 58, 348
............
Checklist, Bef ore Driving . 218
..................
Childproof Door Locks . 84
.......................................
Child Seats . 26
..........
Tether Anchorage Points . 39
...................................
Cleaner, Air . 286
Cleaning
....................
Aluminum Wheels . 327
...................................
Carpeting . 328
......................................
Exterior . 326 .........................................
Fabric . 329
.......................................
Interior . 328
.......................................
Leather . 329
...................................
Seat Belts . 329
...........................................
Vinyl . 329
......................................
Window . 330
...............
Climate Control System . 119
.........
Clock, Setting the . 139, 156, 174
...................................
Clutch Fluid . 285
........................
CO in the Exhaust . 372
...................................
Coin Pocket . 105
............
Cold Weather, Starting in . 220
..............................
Compact Spare . 334
.................
Console Compartment . 103
...............
Consumer Inf ormation . 378
.............
Controls, Instruments and . 55
Coolant
........................................
Adding . 272
....................................
Checking . 210
.........................
Proper Solution . 267
...................
Temperature Gauge . 64
....................
Corrosion Protection . 331
Crankcase Emissions Control
........................................
System . 371
............
Cruise Control Operation . 195
..........
Customer Relations Of f ice . 378 ................
DANGER, Explanation of . ii
.......................................
Dashboard . 56
................
Daytime Running Lights . 69
............
Def ects, Reporting Saf ety . 380
................
Def ogger, Rear Window . 72
....................................
Dimensions . 364
...............
Dimming the Headlights . 68
Dipstick
.
Automatic Transmission . 280, 281
..................................
Engine Oil . 208
..........................
Directional Signals . 70
........
Disc Brake Wear Indicators . 229
.....................
Disposal of Used Oil . 272
Doors
..............
Locking and Unlocking . 78
..........
DOT Tire Quality Grading . 367
Downshif ting, 5-speed Manual
.............................
Transmission . 221
.....................................
Drive Belts . 302
...........
Driver and Passenger Safety . 5
...........................................
Driving . 217
....................................
Economy . 211
.........................
In Bad Weather . 235
................
In Foreign Countries . 370
Index
C D
II
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..............
Panel Brightness Control . 69
........................
Park Gear Position . 224
...........................................
Parking . 228
...............................
Parking Brake . 102
.................................
Parking Lights . 58
..
Parking Over Things that Burn . 373
.............................
PGM-FI System . 372
..................
Polishing and Waxing . 327
...................................
Pollen Filter . 300
............
Pre-Drive Saf ety Checklist . 11
.........
Pregnancy, Using Seat Belts . 19
............................
Protecting Adults . 12
...
Additional Safety Precautions . 20
.....
Advice f or Pregnant Women . 19
........................
Protecting Children . 21
.......................
Protecting Inf ants . 30
.......
Protecting Larger Children . 36
.........
Protecting Small Children . 33
Using Child Seats with
.....................................
Tethers . 39
.................................
Using LATCH . 40 ...................
Radiator Overheating . 345
Radio/CD Sound
.......................
System . 134, 150, 169
..
Rear Lights, Bulb Replacement . 318
..........................
Rear Seat Armrest . 93
..........................
Rear Seat, Folding . 92
..........................
Rear View Mirror . 101
.................
Rear Window Def ogger . 72
.........
Reclining the Seat Backs . 87, 90
.......
Recommended Shif t Speeds . 222
.............................
Reminder Lights . 57
.......................
Remote Transmitter . 80
Replacement Inf ormation
.................
Air Cleaner Element . 286
.......................................
Coolant . 275
................
Engine Oil and Filter . 270
..........................................
Fuses . 354
................................
Light Bulbs . 312
....................................
Schedule . 250
.......................
Spark Plugs . 289, 292
...........................................
Tires . 306
.............................
Wiper Blades . 297
Replacing Seat Belts Af ter a ............................................
Crash . 44 .................
Reserve Tank, Coolant . 210
...............................
Restraint, Child . 21
..................
Reverse Gear Position . 224
................................
Rotation, Tire . 306
........................................
Saf ety Belts . 8
.........
Safety Defects, Reporting . 380
.................................
Saf ety Features . 7
...........................................
Airbags . 9
..................................
Door Locks . 11
..........................
Head Restraints . 11
.......................................
Seat Belts . 8
..................
Seats and Seat-Backs . 10
.............
Saf ety Labels, Location of . 53
...............................
Saf ety Messages . ii
...........................................
Seat Belts . 8
...............
Additional Information . 42
Automatic Seat Belt
...............................
Tensioners . 43
.....................................
Cleaning . 329
......................
Lap/Shoulder Belt . 42
................................
Maintenance . 44
Reminder Light and
................................
Beeper . 42, 58
Index
R
S
P
VI
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CONT INUED
...................
System Components . 42
...............
Use During Pregnancy . 19
........................
Seats, Adjusting the . 87
............................
Security System . 194
.........................
Select/Reset Knob . 65
...............................
Serial Number . 362
...........................
Service Intervals . 250
...........................
Service Manual . 382
.........
Service Station Procedures . 204
..........
Setting the Clock . 139, 156, 174
.....
Shif t Lever Position Indicator . 223
........................
Shif t Lock Release . 226
....................................
Side Airbags . 47
...
How Your Side Airbags Work . 47
How The SIDE Airbag Cutof f
...........
Indicator Light Works . 49
......................
Side Curtain Airbags . 48
How Your Side Curtain ..........................
Airbags Work . 48
...............................
Signaling Turns . 68
.....................................
Snow Tires . 308
...................
Solvent-type Cleaners . 326
................
Sound System . 134, 150, 169
Spare Tire
......................................
Inf lating . 334
............................
Specif ications . 366 ........
Spark Plugs, Replacing . 289, 292
....................
Specif ications Charts . 364
................................
Speed Control . 195
........................
Speed Limiter . 222, 226
...................................
Speedometer . 63
..........
SRS, Additional Inf ormation . 45
...
Additional Safety Precautions . 51
How Your Airbags
............................
Work . 45, 47, 48
How Your SRS Indicator .......................................
Works . 48
........................
SRS Components . 45
..................................
SRS Service . 51
.............................
SRS Indicator . 48, 59
....
START (Ignition Key Position) . 78
.......................
Starting the Engine . 219
In Cold Weather at High ..................................
Altitude . 220
................
With a Dead Battery . 342
........
Steam Coming f rom Engine . 345
Steering Wheel
..................................
Adjustment . 73
.............
Anti-theft Column Lock . 77
Stereo Sound .......................
System . 134, 150, 169
...........................
Storing Your Car . 323 ........................................
Sun Visor . 106
........................
Sunglasses Holder . 107
Supplemental Restraint System
......................................
Servicing . 51
.........................
SRS Indicator . 48, 59
...................
System Components . 45
..................................
Synthetic Oil . 269
.....................................
Tachometer . 63
......
Taillights, Changing Bulbs in . 317
.
Taking Care of the Unexpected . 333
Technical Descriptions
......
DOT Tire Quality Grading . 367
.....
Emissions Control Systems . 371
.....................
Oxygenated Fuels . 369
Three Way Catalytic
...............................
Converter . 373
.......................
Temperature Gauge . 64
..............
Tether Anchorage Points . 39
..
Three Way Catalytic Converter . 373
..........
Time, Setting the . 139, 156, 174
....................................
Timing Belt . 302
Index
T
VII
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