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Home >> Subaru >> 2005 >> Outback R VDC Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P1420 Fuel Tank Pressure Control Sol. Valve Circuit High >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different variant/trim than selected.

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

Judgment Value 

JUDGMENT VALUE REFERENCE

Malfunction Criteria Threshold Value
Terminal voltage when ECM outputs ON signal High

Time Needed for Diagnosis:  2.5 seconds

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in two continuous drive cycles.