P0443- Powertrain Evaporative Emission Control System Purge Control Valve Circuit
When i connect device with carolla 2006 and get P0443 code and search purge control valve and got connector wire broken i repaired that connector and install connector and clear code and after that Engine check light went off.
If you get this code and before search purge valve open fuel cap and check it blow out air as you remove fuel cap, if blow air out search purge control valve and check its connectivity with multimeter.
Purge control valve purpose is provide fuel tank air which have mixture of fuel to engine via trottle control but pipe is connected as it provide air to engine without gas peadal work
See in video.