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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0077 Intake Valve Control Solenoid Circuit High (Bank 1) >> Diagnostic Method

Diagnostic Method

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

Abnormality Judgment 

Judge as NG when the continuous time when the following conditions are established is more than 2 seconds.

Judgment Value 

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
Duty ratio < 7%
Control current ≥ 0.465 A

Time Needed for Diagnosis:  2 seconds

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

Normality Judgment 

Judge as OK and clear the NG when the continuous time when the following conditions are established are more than 2 seconds.

Judgment Value 

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
|Oil switching solenoid valve current target current value - oil switching solenoid valve current value| < 0.08 A