Diagnostic Aid

Malfunction code is set when solenoid coil surge voltage (system voltage +2) is not detected when EVAP emission vent solenoid is turned on/off. Check for following possible problems:

• Purge control solenoid valve stuck open.
• Open or short between Main relay and Purge Control Solenoid Valve (PCSV).
• Open or short between PCSVand Engine Control Module (ECM).
• Faulty PCSV.