Honda CR-V: The Clean Air Act
Honda CR-V (2006–2011) Owner's Manual / Technical Information / Emissions Controls / The Clean Air Act
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.
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Crankcase Emissions Control System
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
Evaporative Emissions Control System
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 en
Onboard Refueling Vapor Recovery
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 vapo
SEE MORE:
DTC 71-2x ("x" can be 0 thru 9 or A thru F):
Short in Driver's Seat Position Sensor
NOTE: Before doing this troubleshooting procedure,
review SRS Precautions and Procedures.
1. Erase the DTC memory.
2. Turn the ignition switch ON (II), and check that the
SRS indicator comes on for about 6 seconds and
then goes off.
Does the SRS indicator stay on, and is DTC 71-2x
indicated?
YES-G
Rear Window Defogger
The rear window defogger will clear
fog, frost, and thin ice from the
window. Push the defogger button to
turn it on and off. The indicator in
the button comes on to show the
defogger is on. It also shuts off when
you turn off the ignition switch. You
have to turn the defogger on a
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