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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0638 Throttle Actuator Control Range/Performance (Bank 1) >> Diagnostic Method

Diagnostic Method

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Judge as OK and clear the NG when the malfunction criteria below are met.

Judgment Value 

JUDGMENT VALUE REFERENCE CHART

Malfunction Criteria Threshold Value
Difference between target opening angle and actual opening angle 3° or less
Output duty to drive circuit 95% or less

Time Needed for Diagnosis: 

Details of Judgment Value 

Fig 1: Details Of Judgment Value
G05019212

Details of Judgment  (The actual opening angle < target opening angle is always 1000 milliseconds)

Fig 2: Details Of Judgment Values
G05019213

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