Hyundai Elantra (CN7): Emission Control System / Components and components location

Components Location

1. Canister
2. Purge control solenoid valve (PCSV)
3. Fuel Tank Air Filter
4. Catalytic converter (WCC)
5. Catalytic converter (UCC)

1. Canister
2. Purge control solenoid valve (PCSV)

3. Fuel Tank Air Filter
4. Catalytic converter (WCC)

5. Catalytic converter (UCC)



    DescriptionEmissions Control System consists of three major systems.• Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere.

    Troubleshooting Symptom Suspect Area Engine will not start or stuggle to startVapor hose damaged or disconnectedEngine stuggle to startMalfunction of the Purge Control Solenoid ValveRough idle or engine stallsVapor hose damaged or disconnectedMalfunction of the PCV valveRough idleMalfunction of the Evaporative Emission Control SystemExcessive oil consumptionPositive crankcase ventilation line clogged

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Auto Lighting Control System

    Description and operation DescriptionIt's a system that uses illumination sensor to automatically turn ON the tail lamp and head lamp based on the change in surrounding environment's illumination condition. It activates when the vehicle enters/exits tunnel, or when the illumination condition in surrounding environment changes due to rain, snow, or

    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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