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GDI – Troubleshooting 13A-55 Code No. P0443 Purge control solenoid valve system Probable cause Range of Check Ignition switch: ON Battery voltage is 10 V or more. Set Conditions The solenoid coil surge voltage (battery voltage + 2 V) is not detected Malfunction of the purge control solenoid valve Open or short circuit in the purge control solenoid Malfunction of engine-ECU <M/T> Malfunction of engine-A/T-ECU <A/T> NG Replace the engine-ECU <M/T> or OK Check the trouble symptoms. OK NG Repair Check the harness wires between OK Check the following connector: NG Repair NG Check the harness wire between NG Check the following connector: NG Repair OK Measure at the purge control Disconnect the connector and Ignition switch: ON The voltage between terminal 2 OK Check the following connector: NG Repair NG Measure at the purge control Disconnect the connector, and The resistance between Ω (at 20 C) NG Replace Repair MUT- II Actuator Test 08 Purge control solenoid valve OK: Operating sound can be heard and the valve vibrates. OK Intermittent malfunction OK OK Measure at engine-ECU connector Measure the voltage at the Ignition switch: ON The voltage between terminal 16 NG Check the following connector: NG Repair OK NG Replace the engine-ECU <M/T> or Check the harness wire between |