Honda CR-V: 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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 No sound is heard from speaker(s) (display is normal) (with navigation)

NOTE: Set the fader and balance positions to the center. Before doing symptom troubleshooting, do the power switch will not turn ON troubleshooting. 1. Check that the volume button is not set to the MIN level. Is it at MIN level? YES-Raise the volume level, and recheck the function. NO-Go to

 TPMS (Tire Pressure Monitoring System)

Component Location Index TPMS CONTROL UNIT (Behind the dashboard center lower cover) Replacement TIRE PRESSURE SENSOR Replacement TIRE PRESSURE SENSOR Replacement UNDER-DASH FUSE/RELAY BOX TIRE PRESSURE SENSOR Replacement DATA LINK CONNECTOR (DLC) TIRE PRESSURE SENS

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