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
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Radio Frequencies
The radio can receive the complete
AM and FM bands.
Those bands cover these frequencies:
AM band: 530 to 1,710 kHz
FM band: 87.7 to 107.9 MHz
Radio stations on the AM band are
assigned frequencies at least 10 kHz
apart (530, 540, 550). Stations on the
FM band are assigned frequencies at
General Troubleshooting Information
How to Check for DTCs with the Honda
Diagnostic System (HDS)
When the powertrain control module (PCM) senses an
abnormality in the input or output system, the D
indicator (A) in the gauge control module (tach) (B) will
usually blink.
When the Honda Diagnostic System (HDS) is connected
to the data l
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