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Impreza WRX STi
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P1602 Control Module Programming Error
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Enable Conditions
Enable Conditions
ENABLE CONDITIONS
Secondary Parameters
Enable Conditions
Atmospheric pressure
≥ 75 kPa (563 mmHg, 22.2 inHg)
Battery voltage
≥ 10.9 V
Cold start diagnosis
Incomplete
Vehicle speed
< 3 km/h(1.9 MPH)
Misfire in 200 engine revs.
< 5
Time after starting
= 14 seconds