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Home >> Subaru >> 2006 >> B9 Tribeca Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0077 Intake Valve Control Circuit High (Bank 1) >> Diagnostic Method
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Diagnostic Method

Abnormality Judgment 

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

Judgment Value 

JUDGMENT VALUE - ABNORMALITY JUDGMENT

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

Time Needed for Diagnosis:  2 seconds

Malfunction Indicator Light:  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 - NORMALITY JUDGMENT

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