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Home >> Subaru >> 2004 >> Baja Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P1446: Fuel Tank Sensor Control Valve Circuit Low >> Diagnostic Method
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Diagnostic Method

Judge NG when the continuous time until completing the malfunction criteria below becomes more than the time (2.5 seconds) needed for diagnosis. Judge OK and clear the NG when the malfunction criteria are not completed.

Judgment Value 

Fig 1: Threshold Value Table
G00899824Courtesy of SUBARU OF AMERICA, INC.
  1. Time Needed for Diagnosis: 

    2.5 seconds

  2. Malfunction Indicator Light Illumination: 

    Illuminates when malfunction occurs in 2 continuous driving cycles.