engine HONDA CR-V 2006 RD4-RD7 / 2.G Repair Manual

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 (seeon page ).
If you don’t f ind an obvious leak,
check the coolant level in the
radiator reserve tank (see page ). Using gloves or a large heavy
cloth, turn the radiator cap
counterclockwise, without pushing
down, to the f irst stop. Af ter the
pressure releases, push down on
the cap, and turn it until it comes
off. 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.
If there was no coolant in the
reserve tank, you may need to add
coolant to the radiator. Let the
engine cool down until the pointer
reaches the middle of the
temperature gauge or lower
bef ore checking the radiator. Start the engine, and set the
temperature control dial to
maximum heat. 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.
9.
8.
7. 6. 5.
11. 10.
242
146
242
Emergency
Towing
Emergency
Towing
If theEngineOverheats
232
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.

Let the vehicle sit f or a minute.
Open the hood, and check the oil
level (see page ). An engine
very low on oil can lose pressure
during cornering and other driving
maneuvers.
If necessary, add oil to bring the
level back to the full mark on the
dipstick (see page ).If the charging system
indicator comes on brightly
when the engine is running, the
battery is not being charged.
Immediately turn of f all electrical
accessories. Try not to use other
electrically operated controls such as
the power windows. Keep the engine
running; starting the engine will
discharge the battery rapidly.
Go to a service station or garage
where you can get technical
assistance.
Saf ely pull of f the road, and shut
of f the engine. Turn on the hazard
warning lights.
This indicator should never
come on when the engine is
running. If it starts f lashing or stays
on, the oil pressure has dropped very
low or lost pressure. Serious engine
damage is possible, and you should
take immediate action.
Start the engine, and watch the oil
pressure indicator. If it does not go
out within 10 seconds, turn of f the
engine. There is a mechanical
problem that needs to be repaired
bef ore you can continue driving
(seeon page
).
1.
2.
4. 3.
145
193
242
L ow Oil Pressure Indicator
Charging System Indicator
Emergency T owing
L ow Oil Pressure Indicator, Charging System Indicator
T aking Care of t he Unexpect ed
233
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 vehicle stopped.

If the indicator comes on
while driving, it means one
of the engine’s emissions control
systems may have a problem. Even
though you may f eel no dif f erence in
your vehicle’s perf ormance, it can
reduce your f uel economy and cause
increased emissions. Continued
operation may cause serious damage. If the indicator comes on repeatedly,
even though it may turn of f as you
continue driving, have the vehicle
checked by the dealer as soon as
possible.
This indicator may also come on
along with the ‘‘D’’ indicator.
Your vehicle 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 the battery in your vehicle has
been disconnected or gone dead,
these codes are erased. It takes at
least three days of driving under
various conditions to set the codes
again.
To check if they are set, turn the
ignition to the ON (II) position,
without starting 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 five times, the readiness
codes are not set. If possible, do not
take your vehicle for a state
emissions test until the readiness
codes are set. Ref er to
for more
inf ormation (see page ).
If you have recently ref ueled your
vehicle, the indicator could come on
because of a loose or missing f uel f ill
cap. You will also see a ‘‘CHECK
FUEL CAP’’ message on the
odometer display. Tighten the cap
until it clicks at least once.
Tightening the cap will not turn the
indicator turn of f immediately; it
takes at least three days of normal
driving.
254
Malf unction Indicator L amp
Readiness CodesState
Emissions T esting
234
If you keep driving with the
malf unction indicator lamp on, you can
damage your vehicle’s emissions
controls and engine. Those repairs may
not be covered by your vehicle’s
warranties.

The vehicle’s f uses are contained in
threefuseboxes.
The interior f use box is underneath
the steering column. To remove the
f use box lid, pull it toward you and
take the lid out of its hinges.The primary under-hood f use box is
in the engine compartment on the
driver’s side. To open it, push the
tabs as shown.
The secondary f use box is next to
the primary f use box.
Fuses
T aking Care of t he Unexpect ed
237
TAB
INTERIOR UNDER-HOOD
(PRIMARY)UNDER-HOOD
(SECONDARY)

µµ
Î
ÎNo.
No.Circuits Protected
Amps. Circuits Protected Amps.
No. Amps. Circuits Protected : On Canadian models
1
2
3
4
5
6
7
8
9
10
11
12
13 14
15
16
17
18
19
20
Option
Left Headlight
Door Lock
Right Headlight
ABS F/S
Battery
Ignition 1
Spare Fuses
20 A
30 A
15 A
20 A
15 A
15 A
15 A
15 A
10 A
30 A
20 A
40 A
40 A Condenser Fan
Engine
Interior Light
Cooling Fan
Hazard
Small Light
Horn, Stop
DBW
Back Up
ABS Motor
Rear Defroster
Heater Motor
Power Window 40 A
20 A
20 A
20 A
30 A
100 A 50 A
1
2
3
4 20 A
7.5 A 15 A
15 A LAF Heater
Daytime running lights
FI ECU (ECM/PCM)
IG Coil
21 257.5A 30A
Fuse Locations
T aking Care of t he Unexpect ed
241
Primary Fuse Box
Secondary Fuse Box
PRIMARY
SECONDARY
UNDER-HOOD FUSE BOXES

Your vehicle has several identif ying
numbers located in various places.
The vehicle identif ication number
(VIN) is the 17-digit number your
Honda dealer uses to register your
vehicle f or warranty purposes. It is
also necessary f or licensing and
insuring your vehicle. The easiest
placetofindtheVINisonaplate
fastened to the top of the dashboard.
Youcanseeitbylookingthrough
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
certif ication label.
Identif ication Numbers
244
VEHICLE IDENTIFICATION NUMBERCERTIFICATION LABEL

The transmission number is on a
label on top of the transmission. The engine number is stamped into
the f ront of the engine block.
Identif ication Numbers
Technical Inf ormation
245
AUTOMATIC TRANSMISSION NUMBER
ENGINE NUMBER MANUAL TRANSMISSION NUMBER

ÎÎ
Î
Î
Î
Î
Î
Specif ications
246
Capacities Engine Weights Dimensions
Capacities
181.0 in (4,597 mm) 1.43 US gal (5.4
)
1.88 US gal (7.1)
1.45 US gal (5.5
)
1.90 US gal (7.2)
3.3 US qt (3.1
)
3.1 US qt (2.9)
7.6 US qt (7.2
)
6.9 US qt (6.5)
2.0 US qt (1.9)
2.4 US qt (2.3)
1.1 US qt (1.0
)
1.3 US qt (1.2)
4.8 US qt (4.5
)
2.6 US qt (2.5)
0.16 US gal (0.6
)
Excluding the oil remaining in the engine
Including the coolant in the reserve tank and that remaining in the
engine
Reserve tank capacity:
Fuel tank
Engine oil
5.6 US qt (5.3
)
4.2 US qt (4.0)
4.4 US qt (4.2)
15.3 US gal (58
)
Type
BorexStroke
Displacement
Compression ratio
Spark plugs Gross vehicle weight rating Length
Width
Height
Wheelbase
Track
See the certification label attached
to the driver’s doorjamb.
SKJ20DR-M11 IZFR6K-11 9.6 : 1
144 cu-in (2,354 cm
)
3.43 x 3.90 in (87.0 x 99.0 mm) 60.6 in (1,538 mm)
60.4 in (1,533 mm)
103.1 in (2,620 mm)
66.2 in (1,682 mm)
70.2 in (1,782 mm)
181.8 in (4,617 mm)
Engine
coolant
Automatic
transmission
fluid
Manual
transmission
fluid
Rear
differential
fluid (4WD)
Windshield
washer
reservoir
Water cooled 4-stroke DOHC
i-VTEC 4-cylinder gasoline engine
Approx.
Front
Rear
Change
Without filter
Total 1:
2:Change
Total
Change
Total
Change
4WD
2WD
Total 4WD
2WD
Change
Total
Change
Total
U.S. Vehicles
Canada
Vehicles
(NGK)
(DENSO)
1 : U.S. SE model and Canada EX-L model
Automatic Transmission
Manual Transmission
1 2
2
1
Including filter

Î
ÎThe United States Clean Air Act
sets standards f or automobile
emissions. It also requires that
automobile manufacturers explain to
owners how their emissions controls
workandwhattodotomaintain
them. This section summarizes how
the emissions controls work.
Scheduled maintenance is on page .
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 f rom the tank
also produces hydrocarbons. Con-
trolling the production of NOx, CO,
and HC is important to the environ-
ment. Under certain conditions of
sunlight and climate, NOx and HC
react to f orm photochemical ‘‘smog.’’
Carbon monoxide does not contri-
bute to smog creation, but it is a
poisonous gas.
In Canada, Honda vehicles comply
with the Canadian emission
requirements, as specif ied in an
agreement with Environment
Canada, at the time they are
manuf actured.
Your vehicle has a positive
crankcase ventilation system. This
keeps gasses that build up in the
engine’s crankcase f rom going into
the atmosphere. The positive crankcase ventilation valve routes
them from the crankcase back to the
intake manif old. They are then
drawn into the engine and burned.
As gasoline evaporates in the f uel
tank, an evaporative emissions
control canister f illed with charcoal
adsorbs the vapor. It is stored in this
canister while the engine is of f . Af ter
the engine is started and warmed up,
the vapor is drawn into the engine
and burned during driving.
The onboard ref ueling vapor
recovery (ORVR) system captures
the f uel vapors during ref ueling. The
vapors are adsorbed in a canister
f illed with activated carbon. While
driving, the f uel vapors are drawn
into the engine and burned of f .
187
The Clean Air Act
Crankcase Emissions Control
System Evaporative Emissions Control
System
Onboard Ref ueling Vapor
Recovery
Emissions Cont rols
Technical Inf ormation
251

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
Honda replacement parts or their
equivalent f or repairs. Using lower
quality parts may increase the
emissions f rom 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 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. This system constantly adjusts the
ignition timing, reducing the amount
of HC, CO, and NOx produced. The PGM-FI system uses sequential
multiport f uel injection. It has three
subsystems: air intake, engine
control, and f uel control. The
powertrain control module (PCM) in
automatic transmission vehicles or
the engine control module (ECM) in
manual transmission vehicles use
various sensors to determine how
much air is going into the engine. It
then controls how much f uel to inject
under all operating conditions.
The exhaust emissions controls
include three systems: PGM-FI,
ignition timing control, and three
way catalytic converter. These three
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 f rom the crankcase and
evaporative emissions control
systems.
2
2
Exhaust Emissions Controls Replacement PartsPGM-FI System
Three Way Catalytic Converter
Ignit ion T iming Cont rol Syst em
Emissions Cont rols
252