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: 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: Ignition Switch Assembly. Repair procedures

    Repair procedures Replacement1.Disconnect the negative (-) battery terminal.2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad")3.Remove the steering column upper & Lower shroud.4.Remove the ignition switch and disconnecting the Key Warning / immobilizer connector.

    Categories

     
    Copyright © 2026 www.helantra7.com - 0.0158