Troubleshooting |
Symptom | Suspect area |
Engine will not start or hard to start | Vapor hose damaged or disconnected |
Engine hard 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 |
Hyundai Elantra AD (2016-2020) Service Manual: Smart Key Unit Components and Components Location
Components (1)
NoConnector AConnector BConnector C1BAT (+)_SignalDriver's door antenna_GND-2BAT (+)_PowerDriver's door antenna_Power-3IGN 1--4IGN 2_Relay outputB-CAN (High)SSB LED (OFF)5IGN 1_Relay outputB-CAN (Low)SSB LED (IGN)6Assist door antenna_GNDWheel speed sensorSSB LED (ACC)7Interior an ...
Hyundai Elantra AD (2016-2020) Service Manual: Purge Control Solenoid Valve (PCSV) Description and Operation
Description
Purge Control Solenoid Valve (PCSV) is installed on the
intake manifold and controls the evaporative purge between the canister
and the intake manifold. It is a normally closed solenoid valve and is
open when the ECM grounds the valve control line. When the passage is
open (PC ...