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Subaru
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2012
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Outback Base, Automatic CVT Trans
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Repair and Diagnosis
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Engine Performance
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System
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Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P1443 Vent Control Solenoid Valve Function Problem
›
Enable Condition
Enable Condition
Secondary Parameters
Enable Conditions
Drain valve
Open
Battery voltage
≥ 10.9 V
Barometric pressure
≥ 75 kPa (563 mmHg, 22.2 inHg)
Tank pressure when starter is OFF → ON
-0.4 kPa (-3.2 mmHg, -0.1 inHg)
and
1.4 kPa (10.7 mmHg, 0.4 inHg)