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Home >> Subaru >> 2013 >> Legacy Base, Automatic CVT Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P2004 Intake Manifold Runner Control Stuck Open (Bank 1) >> Diagnostic Method
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Diagnostic Method

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Tumble generator valve opening switch = High
Tumble generator valve "close" signal output time ≥ 1600 ms

Time Needed for Diagnosis:  4600 ms

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.

Judge as OK and clear the NG if the following conditions are established.

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Tumble generator valve opening switch = Low
Tumble generator valve "close" signal output time ≥ 1600 ms

Time Needed for Diagnosis:  1600 ms