Hyundai Elantra (CN7): Emission Control System / Description and operation

Description
Emissions Control System consists of three major systems.
•
Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere. This system recycles gas back into the intake manifold (Closed Crankcase Ventilation Type).
•
Evaporative Emission Control System prevents evaporative gas from releasing into the atmosphere. This system burns gas at appropriate engine operating condition after gathering it in the canister.
•
Exhaust Emission Control System converts the three pollutants [hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx)] into harmless substances by using the 3-way catalytic converter.

    Components Location1. Canister2. Purge control solenoid valve (PCSV)3. Fuel Tank Air Filter4. Catalytic converter (WCC)5. Catalytic converter (UCC)1. Canister 2.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operation

    Description and operation     The System may be limited when • The radar sensor or camera is blocked with a foreign object or debris.• The camera lens is contaminated due to tinted filmed or coated windshield, damaged glass, or stuck of foreign matter (sticker, bug, etc.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Parking Distance Warning (PDW)

    Description and operation Description• PDW consists of 8 sensors (front : 4 units, rear : 4 units) that are used to detect obstacles and transmit the result in three separate warning levels, the first, second and third to IBU via LIN communication.

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