What is the purpose of the PURGE CONTROL VALVE DTC codes?
The Purge Control Valve controls emissions by managing airflow into the intake manifold. Code P0444 indicates an open circuit for this valve, whereas code P0445 describes a shorted circuit condition. Consult your service manual on how to address these issues (Page 12).
From the official Innova 3011 Carscan Code Reader Owner manual, page 12
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