Acura CL (2003 year). Instruction — page 21

No. Amps.

Circuits Protected

1

2

3

20 A

20 A

VSA F/S Relay

VSA Throttle Motor

Not Used

On Type-S with A/T

Fuses

Taking Care of the Unexpected

319

VSA FUSE BOX

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There are three popular types of
professional towing equipment.

If your car needs to be towed, call a
professional towing service or, if you
belong to one, an organization that
provides roadside assistance. Never
tow your car behind another vehicle
with just a rope or chain. It is very
dangerous.

The operator

loads your car on the back of a truck.

The tow

truck uses two pivoting arms that go
under the tires (front or rear) and lift
them off the ground. The other two
tires remain on the ground.

The tow

truck uses metal cables with hooks
on the ends. These hooks go around
parts of the frame or suspension and
the cables lift that end of the car off
the ground. Your car’s suspension
and body can be seriously damaged.

If your Acura cannot be transported
by flat-bed, it should be towed by
wheel-lift equipment with the front
wheels off the ground. If, due to
damage, your car must be towed
with the front wheels on the ground,
do the following.

Release the parking brake.
Start the engine.
Shift to D , then to N.
Turn off the engine.

With the front wheels on the ground,
it is best to tow the car no farther
than 50 miles (80 km), and keep the
speed below 35 mph (55 km/h).

Release the parking brake.
Shift the transmission to Neutral.

5

Automatic Transmission

6-speed Manual Transmission

Flat-bed Equipment

Wheel-lif t Equipment

Sling-type Equipment

This is the best way to transport
your Acura.

This is

an acceptable way to tow your
Acura.

This method of towing is
unacceptable.

Emergency Towing

Taking Care of the Unexpected

320

Improper towing preparation will
damage the transmission. Follow the
above procedure exactly. If you cannot
shif t the transmission or start the
engine, your car must be transported
with the f ront wheels of f the ground.

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If you decide to tow your car with all
four wheels on the ground, make
sure you use a properly-designed and
attached tow bar. Prepare the car for
towing as described above, and leave
the ignition switch in Accessory (I)
so the steering wheel does not lock.
Make sure the radio and any items
plugged into the accessory power
socket are turned off so they do not
run down the battery.

Emergency Towing

Taking Care of the Unexpected

321

Trying to lif t or tow your car by the
bumpers will cause serious damage.
The bumpers are not designed to
support the car’s weight.

The steering system can be damaged if
the steering wheel is locked. Leave the
ignition switch in Accessory (I), and
make sure the steering wheel turns
f reely bef ore you begin towing.

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The diagrams in this section give
you the dimensions and capacities of
your Acura, and the locations of the
identification numbers. It also
includes information you should
know about your vehicle’s tires and
emissions control systems.

…………….

Identification Numbers

.

324

…………………………..

Specifications

.

326

DOT Tire Quality Grading

………………………..

(U.S. Cars)

.

328

……………………………

Treadwear

.

328

………………………………..

Traction

.

328

………………………..

Temperature

.

329

…………………….

Oxygenated Fuels

.

330

……

Driving in Foreign Countries

.

331

…………………..

Emissions Controls

.

332

…………………

The Clean Air Act

.

332

Crankcase Emissions Control

………………………………

System

.

332

Evaporative Emissions Control

………………………………

System

.

332

Onboard Refueling Vapor

…………………………..

Recovery

.

332

Exhaust Emissions Controls .

333

………………..

PGM-FI System

.

333

Ignition Timing Control

…………………………..

System

.

333

Exhaust Gas Recirculation

……………….

(EGR) System

.

333

Three Way Catalytic

………………………

Converter

.

333

………………..

Replacement Parts

.

333

..

Three Way Catalytic Converter .

334

…………..

State Emissions Testing

.

335

Technical Information

Technical Inf ormation

323

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Your car has several identifying
numbers located in various places.

The Vehicle Identification Number
(VIN) is the 17-digit number your
Acura dealer uses to register your
car for warranty purposes. It is also
necessary for licensing and insuring
your car. The easiest place to find
the VIN is on a plate fastened to the
top of the dashboard. You can see it
by looking through the windshield
on the driver’s side. It is also on the
Certification label attached to the
driver’s doorjamb, and is stamped on
the engine compartment bulkhead.
The VIN is also provided in bar code
on the Certification label.

Identification Numbers

Technical Inf ormation

324

V

V

E

E

H

H

I

I

C

C

L

L

E

E

I

I

D

D

E

E

N

N

T

T

I

I

F

F

I

I

C

C

A

A

T

T

I

I

O

O

N

N

N

N

U

U

M

M

B

B

E

E

R

R

C

C

E

E

R

R

T

T

I

I

F

F

I

I

C

C

A

A

T

T

I

I

O

O

N

N

L

L

A

A

B

B

E

E

L

L

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The Transmission Number is on a
label on top of the transmission.

The Engine Number is stamped into
the engine block. It is on the front
left.

Identification Numbers

Technical Inf ormation

325

E

E

N

N

G

G

I

I

N

N

E

E

N

N

U

U

M

M

B

B

E

E

R

R

T

T

R

R

A

A

N

N

S

S

M

M

I

I

S

S

S

S

I

I

O

O

N

N

N

N

U

U

M

M

B

B

E

E

R

R

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Technical Inf ormation

Specifications

326

Dimensions

Weights

Air Conditioning

Capacities

4.2 US qt (4.0

, 3.5 Imp qt)

192.0 in (4,877 mm)
70.6 in (1,793 mm)
53.3 in (1,354 mm)
106.9 in (2,715 mm)
61.1 in (1,553 mm)
61.0 in (1,549 mm)

HFC-134a (R-134a)

21.2

22.9 oz (600

650 g)

ND-OIL8

1.48 US gal (5.6

, 1.23 Imp gal)

1.98 US gal (7.5

, 1.65 Imp gal)

4.6 US qt (4.4

, 3.9 Imp qt)

5.3 US qt (5.0

, 4.4 Imp qt)

Length
Width
Height
Wheelbase
Track

Gross vehicle weight rating

See the certification label attached
to the driver’s doorjamb.

Refrigerant type
Charge quantity
Lubricant type

3.1 US qt (2.9

, 2.6 Imp qt)

7.6 US qt (7.2

, 6.3 Imp qt)

Excluding the oil remaining in the engine.

0.16 US gal (0.6

, 0.13 Imp gal)

Including the coolant in the reserve tank and that remaining in the
engine.
Reserve tank capacity:

4.8 US qt (4.5

, 4.0 Imp qt)

2.6 US qt (2.5

, 2.2 Imp qt)

Fuel tank

Engine
coolant
Engine oil

Automatic
transmission
fluid
Manual
transmission
fluid
Windshield
washer
reservoir

2.3 US qt (2.2

, 1.9 Imp qt)

2.6 US qt (2.5

, 2.2 Imp qt)

1 :

2 :

Approx.

Front
Rear

Change
Total
Change

Including filter
Without filter

Total
Change
Total

Change
Total

U.S. Cars
Canada Cars

17.17 US gal (65.0

, 14.30 Imp gal)

1

2

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Technical Inf ormation

Specifications

327

Engine

Tires

Alignment

Lights

Battery

Fuses

12 V
12 V

60 W (HB3)
24/2.2 CP

12 V
12 V

27/8 W
21/5 W

12 V

21/5 W

Water cooled 4-stroke

SOHC VTEC 6-cylinder (V6)

gasoline engine

Type

Bore x Stroke
Displacement
Compression ratio

Spark plugs

196 cu-in (3,210 cm )

3.50 x 3.39 in (89.0 x 86.0 mm)

9.8 : 1

10.5 : 1

60 psi (420 kPa , 4.2 kgf/cm )

Size

Pressure

Toe

Camber

Caster

32 psi (220 kPa , 2.2 kgf/cm )

T135/80R16 101M

P215/50R17 93V

P205/60R16 91V

2°50’

0°30’

0.08 in (2.0 mm)

0.00 in (0.0 mm)

Headlights

(High beam)

Front turn signal/parking lights
Rear turn signal lights
Stop/Taillights
Stop/tail/side marker lights
High-mount brake light
Front side marker lights
Back-up lights
License plate light
Ceiling light
Spotlights
Trunk light
Door courtesy lights
Vanity mirror light
Glove box light

12 V
12 V
12 V
12 V
12 V
12 V
12 V
12 V
12 V
12 V

21 W
5 W
21 W
3 CP
7 W
5 W
5 W
2 CP
1.1 W
2 CP

Capacity

12 V

65 AH/20 HR

Interior

Under-hood

See pages

318

and

319

or the fuse

label attached to the inside of the
fuse box door on each side of the
dashboard.
See page

317

or the fuse box

cover.

See spark plug maintenance
section page

258

.

Front
Rear
Front
Rear
Front

in

Low beam headlight bulbs are a type of high voltage discharge tube

(D2R).

Front/Rear

Spare
Front/Rear
Spare

1 :
2 :

1 :
2 :

Premium model
Type-S

Premium model
Type-S

1

1

1

2

1

2

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The treadwear grade is a compara-
tive rating based on the wear rate of
the tire when tested under controlled
conditions on a specified government
test course. For example, a tire
graded 150 would wear one and one-
half (1 1/2) times as well on the
government course as a tire graded
100. The relative performance of
tires depends upon the actual condi-
tions of their use, however, and may
depart significantly from the norm
due to variations in driving habits,
service practices and differences in
road characteristics and climate.

The tires on your car meet all U.S.
Federal Safety Requirements. All
tires are also graded for treadwear,
traction, and temperature perform-
ance according to Department of
Transportation (DOT) standards.
The following explains these
gradings.

Quality grades can be found where
applicable on the tire sidewall
between the tread shoulder and the
maximum section width. For
example:

The traction grades, from highest to
lowest, are AA, A, B, and C. Those
grades represent the tire’s ability to
stop on wet pavement as measured
under controlled conditions on
specified government test surfaces
of asphalt and concrete. A tire
marked C may have poor traction
performance.

Warning: The traction grade
assigned to this tire is based on
straight-ahead braking traction tests,
and does not include acceleration,
cornering, hydroplaning, or peak
traction characteristics.

All passenger car tires must conform
to Federal Safety Requirements in
addition to these grades.

Treadwear

Unif orm Tire Quality Grading

Treadwear 200
Traction AA
Temperature A

Traction

AA, A, B, C

DOT Tire Quality Grading (U.S. Cars)

Technical Inf ormation

328

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Warning: The temperature grade for
this tire is established for a tire that
is properly inflated and not over-
loaded. Excessive speed, underinfla-
tion, or excessive loading, either
separately or in combination, can
cause heat buildup and possible tire
failure.

The temperature grades are A (the
highest), B, and C, representing the
tire’s resistance to the generation of
heat and its ability to dissipate heat
when tested under controlled
conditions on a specified indoor
laboratory test wheel. Sustained high
temperature can cause the material
of the tire to degenerate and reduce
tire life, and excessive temperature
can lead to sudden tire failure. The
grade C corresponds to a level of
performance which all passenger car
tires must meet under the Federal
Motor Vehicle Safety Standard No.
109. Grades B and A represent
higher levels of performance on the
laboratory test wheel than the
minimum required by law.

DOT Tire Quality Grading (U.S. Cars)

Technical Inf ormation

Temperature

A, B, C

329

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Some conventional gasolines are
being blended with alcohol or an
ether compound. These gasolines
are collectively referred to as
oxygenated fuels. To meet clean air
standards, some areas of the United
States and Canada use oxygenated
fuels to help reduce emissions.

If you use an oxygenated fuel, be
sure it is unleaded and meets the
minimum octane rating requirement.

Before using an oxygenated fuel, try
to confirm the fuel’s contents. Some
states/provinces require this
information to be posted on the
pump.

(Methyl Tertiary Butyl

Ether)
You may use gasoline containing up
to 15 percent MTBE by volume.

(ethyl or grain alcohol)

You may use gasoline containing up
to 10 percent ethanol by volume.
Gasoline containing ethanol may be
marketed under the name ‘‘Gasohol.’’

The following are the U.S. EPA and
Canadian CGSB approved
percentages of oxygenates:

If you notice any undesirable
operating symptoms, try another
service station or switch to another
brand of gasoline.

Fuel system damage or performance
problems resulting from the use of
an oxygenated fuel containing more
than the percentages of oxygenates
given above are not covered under
warranty.

(methyl or wood

alcohol)
Your vehicle was not designed to use
fuel that contains methanol.
Methanol can corrode metal parts in
the fuel system, and also damage
plastic and rubber components. This
damage would not be covered by
your warranties.

MTBE

ETHANOL

METHANOL

Oxygenated Fuels

Technical Inf ormation

330

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If you are planning to take your
Acura outside the U.S. or Canada,
contact the tourist bureaus in the
areas you will be traveling in to find
out about the availability of unleaded
gasoline with the proper octane
rating.

If unleaded gasoline is not available,
be aware that using leaded gasoline
in your Acura will affect perfor-
mance and fuel mileage, and damage
its emissions controls. It will no
longer comply with U.S. and
Canadian emissions regulations, and
will be illegal to operate in North
America. To bring your car back into
compliance will require the replace-
ment of several components, such as
the oxygen sensors and the three
way catalytic converter. These re-
placements are not covered under
warranty.

Driving in Foreign Countries

Technical Inf ormation

331

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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.
Scheduled maintenance is on page

.

In Canada, Acura vehicles comply

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

The burning of gasoline in your car’s
engine produces several byproducts.
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.

Your car 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.

230

The Clean Air Act

Crankcase Emissions Control
System

Evaporative Emissions Control
System

Onboard Ref ueling Vapor
Recovery

Emissions Controls

Technical Inf ormation

332

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The exhaust emissions controls
include four 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 from the crankcase and
evaporative emissions control
systems.

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) uses various sensors to
determine how much air is going
into the engine. It then controls how
much fuel 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 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.

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.

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
Genuine Acura replacement parts or
their equivalent for repairs. Using
lower quality parts may increase the
emissions from your car.

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

2

2

Exhaust Emissions Controls

Replacement Parts

PGM-FI System

Ignition Timing Control System

Exhaust Gas Recirculation (EGR)
System

Three Way Catalytic Converter

Emissions Controls

Technical Inf ormation

333

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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 ineffective.

The three way catalytic converter
contains precious metals that serve
as catalysts, promoting chemical
reactions to convert the exhaust
gasses without affecting the metals.
The catalytic converter is referred to
as a three-way catalyst, since it acts
on HC, CO, and NOx. A replacement
unit must be an original Acura part
or its equivalent.

Keep the engine tuned-up.

The three way catalytic converter
must operate at a high temperature
for the chemical reactions to take
place. It can set on fire any com-
bustible materials that come near it.
Park your car away from high grass,
dry leaves, or other flammables.

A defective three way catalytic
converter contributes to air pollution,
and can impair your engine’s per-
formance. Follow these guidelines to
protect your car’s three way catalytic
converter.

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

Three Way Catalytic Converter

Technical Inf ormation

334

T

T

H

H

R

R

E

E

E

E

W

W

A

A

Y

Y

C

C

A

A

T

T

A

A

L

L

Y

Y

T

T

I

I

C

C

C

C

O

O

N

N

V

V

E

E

R

R

T

T

E

E

R

R

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CONTINUED

If you take your vehicle for a state
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 re-tested within the
next two or three days, you can
condition the vehicle for re-testing
by doing the following.

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

Make sure the vehicle has been
parked with the engine off for 8
hours or more.

Make sure the ambient
temperature is between 20° and
95°F.

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

Keep the vehicle in Park
(automatic transmission) or
Neutral (manual transmission).
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 (approximately 3
minutes).

Technical Inf ormation

State Emissions Testing

Testing of Readiness Codes

335

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