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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 P0507 Idle Air Control System Rpm Higher Than Expected >> Diagnostic Method

Diagnostic Method

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

Abnormality Judgment 

Judge as NG when the continuous time of completing the malfunction criterion below is 10 seconds x 3 times.

Judgment Value 

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
Actual - Target engine speed ≥ 200 rpm
Feedback value for ISC Min.

Time Needed for Diagnosis:  10 seconds x 3 times

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.

Normality Judgment 

Judge as OK and clear the NG when the continuous time of completing the malfunction criterion below becomes more than the time needed for diagnosis (10 seconds).

Judgment Value 

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
Actual - Target engine speed < 200 rpm