Hyundai Elantra (CN7): Emission Control System / Troubleshooting

Hyundai Elantra (CN7) 2021-2026 Service Manual / Emission Control System / Troubleshooting

Troubleshooting
Symptom
Suspect Area
Engine will not start or stuggle to start
Vapor hose damaged or disconnected
Engine stuggle to start
Malfunction of the Purge Control Solenoid Valve
Rough idle or engine stalls
Vapor hose damaged or disconnected
Malfunction of the PCV valve
Rough idle
Malfunction of the Evaporative Emission Control System
Excessive oil consumption
Positive crankcase ventilation line clogged

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

    SpecificationsPurge Control Solenoid Valve (PCSV)▷ Specification Item Specification Coil Resistance (Ω)22.

    Other information:

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

    DescriptionThe immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft.1.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Smart Cruise Control (SCC) Switch

    Schematic diagrams Circuit DiagramTRIP / SCC / LFA Repair procedures Inspection1.Check for resistance between terminals in each switch position (LH).[LH : Audio + Hands free] Switch Resistance (±5%) SEEK Up430 ΩSEEK Down1.

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