Honda Accord Coupe L4 (2011 year). Instruction - part 28

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Always check the TPMS malfunction
telltale after replacing one or more
tires or wheels on your vehicle to
ensure that the replacement or
alternate tires and wheels allow the
TPMS to continue to function
properly.

Your vehicle has also been equipped
with a TPMS malfunction indicator
to indicate when the system is not
operating properly. The TPMS
malfunction indicator is provided by
a separate telltale, which displays the
symbol ‘‘TPMS’’ when illuminated.

When the malfunction indicator is
illuminated,

the system may not be able to detect
or signal low tire pressure as
intended.

TPMS malfunctions may occur for a
variety of reasons, including the
installation of replacement or
alternate tires or wheels on the
vehicle that prevent the TPMS from
functioning properly.

Tire Pressure Monitoring System (TPMS)

Required Federal Explanation

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The burning of gasoline in your
vehicle’s engine produces several by-
products. Some of these are carbon
monoxide (CO), oxides of nitrogen
(NOx), and hydrocarbons (HC).
Gasoline evaporating from the tank
also produces hydrocarbons.
Controlling the production of NOx,
CO, and HC is important to the
environment. Under certain
conditions of sunlight and climate,
NOx and HC react to form
photochemical ‘‘smog.’’ Carbon
monoxide does not contribute to
smog creation, but it is a poisonous
gas.

The United States Clean Air Act
sets standards for automobile
emissions. It also requires that
automobile manufacturers explain to
owners how their emissions controls
work and what to do to maintain
them. This section summarizes how
the emissions controls work.

In Canada, Honda vehicles comply

with the Canadian emission
requirements, as specified in an
agreement with Environment
Canada, at the time they are
manufactured.

Your vehicle has a positive
crankcase ventilation system. This
keeps gasses that build up in the
engine’s crankcase from going into
the atmosphere. The positive
crankcase ventilation valve routes
them from the crankcase back to the

intake manifold. They are then
drawn into the engine and burned.

As gasoline evaporates in the fuel
tank, an evaporative emissions
control canister filled with charcoal
adsorbs the vapor. It is stored in this
canister while the engine is off. After
the engine is started and warmed up,
the vapor is drawn into the engine
and burned during driving.

The onboard refueling vapor
recovery (ORVR) system captures
the fuel vapors during refueling. The
vapors are adsorbed in a canister
filled with activated carbon. While
driving, the fuel vapors are drawn
into the engine and burned off.

The Clean Air Act

Crankcase Emissions Control
System

Evaporative Emissions Control
System

Onboard Refueling Vapor
Recovery

Emissions Controls

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The exhaust emissions controls
include three or four systems:
PGM-FI, ignition timing control,
exhaust gas recirculation (6-cylinder
models), and three way catalytic
converter. These systems work
together to control the engine’s
combustion and minimize the
amount of HC, CO, and NOx that
come out the tailpipe. The exhaust
emissions control systems are
separate from the crankcase and
evaporative emissions control
systems.

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 ), nitrogen
(N ), and water vapor.

The emissions control systems are
designed and certified 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
Honda replacement parts or their
equivalent for repairs. Using lower
quality parts may increase the
emissions from your vehicle.

The emissions control systems are
covered by warranties separate from
the rest of your vehicle. Read your
warranty manual for more informa-
tion.

The PGM-FI system uses sequential
multiport fuel injection. It has three
subsystems: air intake, engine
control, and fuel control. The
powertrain control module (PCM) in
automatic transmission vehicles or
the engine control module (ECM) in
manual transmission vehicles uses
various sensors to determine how

much air is going into the engine. It
then controls how much fuel to inject
under all operating conditions.

This system constantly adjusts the
ignition timing, reducing the amount
of HC, CO, and NOx produced.

The exhaust gas recirculation (EGR)
system takes some of the exhaust
gas and routes it back into the intake
manifold. Adding exhaust gas to the
air/fuel mixture reduces the amount
of NOx produced when the fuel is
burned.

V6 models

Exhaust Emissions Controls

Replacement Parts

Emissions Controls

Three Way Catalytic Converter

PGM-FI System

Ignition Timing Control System

Exhaust Gas Recirculation (EGR)
System

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Keep the engine well maintained.

Have your vehicle diagnosed and
repaired if it is misfiring, back-
firing, stalling, or otherwise not
running properly.

The three way catalytic converters
contain precious metals that serve as
catalysts, promoting chemical
reactions to convert the exhaust
gasses without affecting the metals.
The catalytic converters are referred
to as three-way catalysts, since they
act on HC, CO, and NOx.
Replacement units must be original
Honda parts or their equivalent.

The three way catalytic converters
must operate at a high temperature
for the chemical reactions to take
place. They can set on fire any
combustible materials that come
near them. Park your vehicle away
from high grass, dry leaves, or other
flammables.

Defective three way catalytic
converters contribute to air pollution,
and can impair your engine’s
performance. Follow these
guidelines to protect your vehicle’s
three way catalytic converters.

Always use unleaded gasoline.
Even a small amount of leaded
gasoline can contaminate the
catalyst metals, making the three
way catalytic converters
ineffective.

Three Way Catalytic Converters

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THREE WAY CATALYTIC CONVERTERS

V6 models

THREE WAY CATALYTIC CONVERTERS

4-cylinder models

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Make sure the gas tank is nearly,
but not completely, full (around
3/4).

Without touching the accelerator
pedal, start the engine, and let it
idle for 20 seconds.

If you take your vehicle for an
emissions test shortly after the
battery has been disconnected or
gone dead, it may not pass the test.
This is because of certain ‘‘readiness
codes’’ that must be set in the on-
board diagnostics for the emissions
systems. These codes are erased
when the battery is disconnected,
and set again only after several days
of driving under a variety of
conditions.

If the testing facility determines that
the readiness codes are not set, you
will be requested to return at a later
date to complete the test. If you must
get the vehicle retested within the
next two or three days, you can
condition the vehicle for retesting by
doing the following.

Make sure the vehicle has been
parked with the engine off for 6
hours or more.

Make sure the ambient
temperature is between 40° and
95°F (4° and 35°C).

Keep the vehicle in Park
(automatic) or neutral (manual).
Increase the engine speed to 2,000
rpm, and hold it there until the
temperature gauge rises to at least
1/4 of the scale (about 3 minutes).

Without touching the accelerator
pedal, let the engine idle for 20
seconds.

CONTINUED

Testing of Readiness Codes

Emissions Testing

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Select a nearby lightly traveled
major highway where you can
maintain a speed of 50 to 60 mph
(80 to 97 km/h) for at least 20
minutes. Drive on the highway in
D (automatic) or 5th (manual). Do
not use the cruise control. When
traffic allows, drive for 90 seconds
without moving the accelerator
pedal. (Vehicle speed may vary
slightly; this is okay.) If you cannot
do this for a continuous 90
seconds because of traffic
conditions, drive for at least 30
seconds, then repeat it two more
times (for a total of 90 seconds).

If the testing facility determines the
readiness codes are still not set, see
your dealer.

Then drive in city/suburban
traffic for at least 10 minutes.
When traffic conditions allow, let
the vehicle coast for several
seconds without using the
accelerator pedal or the brake
pedal.

Make sure the vehicle has been
parked with the engine off for 30
minutes.

Emissions Testing

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Customer Service Information

. 436

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Warranty Coverages

. 437

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Reporting Safety Defects

. 438

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Authorized Manuals

. 439

Warranty and Customer Relations

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Honda dealership personnel are
trained professionals. They should
be able to answer all your questions.
If you encounter a problem that your
dealership does not solve to your
satisfaction, please discuss it with
the dealership’s management. The
service manager or general manager
can help. Almost all problems are
solved in this way.

If you are dissatisfied with the
decision made by the dealership’s
management, contact Honda
Customer Service.

U.S. Owners:

Canadian Owners:

When you call or write, please give
us this information:

Vehicle Identification Number
(see page

)

Name and address of the dealer
who services your vehicle

Date of purchase

Odometer reading of your vehicle

Your name, address, and tele-
phone number

A detailed description of the
problem

Name of the dealer who sold the
vehicle to you

In Puerto Rico and the U.S. Virgin
Islands:

418

Customer Service Information

436

American Honda Motor Co., Inc.
Automobile Customer Service
Mail Stop 500-2N-7A
1919 Torrance Boulevard
Torrance, California 90501-2746

Tel: (800) 999-1009

Honda Canada Inc.
Customer Relations
180 Honda Boulevard
Markham, ON
L6C 0H9

Tel: 1-888-9-HONDA-9
Fax: 1-877-939-0909
E-Mail: ch_honda_cr@ch.honda.com

Vortex Motor Corp.
Bella International
P.O. Box 190816
San Juan, PR 00919-0816

Tel: (787) 620-7546

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Your new vehicle is covered by these
warranties:

provides prorated

coverage for a replacement battery
purchased from your dealer.

provides

coverage for as long as the pur-
chaser of the muffler owns the
vehicle.

a seat

belt that fails to function properly is
covered by a limited warranty.
Please read your warranty booklet
for details.

covers all Honda

replacement parts against defects in
materials and workmanship.

Honda accessories are covered
under this warranty. Time and
mileage limits depend on the type of
accessory and other factors. Please
read your warranty booklet for
details.

all exterior body panels are

covered for rust-through from the
inside for the specified time period
with no mileage limit.

Restrictions and exclusions apply to
all these warranties. Please read the
2011 Honda warranty information
booklet that came with your vehicle
for precise information on warranty
coverages. Your vehicle’s original
tires are covered by their
manufacturer. Tire warranty
information is in a separate booklet.

Please refer to the 2011 warranty
manual that came with your vehicle.

covers your new vehicle, except for
the emissions control systems and
accessories, against defects in
materials and workmanship.

these two

warranties cover your vehicle’s
emissions control systems. Time,
mileage, and coverage are
conditional. Please read your
warranty booklet for exact
information.

Warranty Coverages

U.S. Owners

Canadian Owners

Replacement Battery Limited
Warranty

Replacement Muffler Lifetime
Limited Warranty

Seat Belt Limited Warranty

Replacement Parts Limited
Warranty

Accessory Limited Warranty

Rust Perforation Limited Warranty

New Vehicle Limited Warranty

Emissions Control Systems Defects
Warranty and Emissions
Performance Warranty

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If you believe that your vehicle has a defect which
could cause a crash or could cause injury or death, you
should immediately inform the National Highway
Traffic Safety Administration (NHTSA), in addition to
notifying American Honda Motor Co., Inc.

If NHTSA receives similar complaints, it may open an
investigation, and if it finds that a safety defect exists in
a group of vehicles, it may order a recall and remedy
campaign. However, NHTSA cannot become involved
in individual problems between you, your dealer, or
American Honda Motor Co., Inc.

To contact NHTSA, you may call the Vehicle Safety
Hotline toll-free at 1-888-327-4236
(TTY: 1-800-424-9153); go to

; or write to: Administrator,

NHTSA, 1200 New Jersey Avenue, SE., Washington,
DC 20590.
You can also obtain other information about motor
vehicle safety from

If you believe that your vehicle has a defect which could
cause a crash or could cause injury or death, you should
immediately inform Honda Canada Inc. and you may also
inform Transport Canada.

If Transport Canada receives similar complaints, it may
open an investigation, and if it finds that a safety defect
exists in a group of vehicles, it may lead to a recall and
remedy campaign. However, Transport Canada cannot
become involved in individual problems between you,
your dealer, or Honda Canada Inc.

To contact Transport Canada’s Defect Investigations and
Recalls Division, you may call 1-800-333-0510. For more
information on reporting safety defects or about motor
vehicle safety, go to

Reporting Safety Defects

In Canada

In the US

438

http://www.saf ercar.gov

http://www.tc.gc.ca/roadsaf ety

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The publications shown below can be purchased from Helm
Incorporated. You can order by phone or online:

Call Helm Inc. at 1-800-782-4356 (credit card orders only)
Go online at

If you are interested in other years or models, contact Helm Inc.
at 1-800-782-4356.

Covers maintenance and recommended procedures for
repair to engine and chassis components. It is written
for the journeyman mechanic, but it is simple enough
for most mechanically inclined owners to understand.

Complements the Service Manual by providing in-depth
troubleshooting information for each electrical circuit
in your vehicle.

Describes the procedures involved in the replacement
of damaged body parts.

Authorized Manuals

Purchasing Factory Authorized Manuals

Service Manual:

Electrical Troubleshooting Manual:

Body Repair Manual:

(U.S. only)

Au
th

439

Form Description

2011 Honda Accord 2/4 door L4

Service Manual Base Book

2011 Honda Accord 2/4 door V6

Service Manual Supplement

2011 Honda 2/4 Door L4/V6

Electrical Troubleshooting Manual

2008 Honda 2/4 door Body Repair Manual

2011 Honda Accord 2-door Owner’s Manual

2011 Honda Accord

Navigation System Owner’s Manual

2011 Honda Accord Honda Service History

2011 Honda Accord 2-door

Technology Reference Guide

Order Form for Previous Years-

Indicate Year and Model Desired

Publication

Form Number

61TA005

61TA601

61TA005EL

61TA030

31TE0630

31TA5830

31TA5M30

31TE0Q30

HON-R

www.helminc.com

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