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Home >> Subaru >> 2005 >> Forester XT, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0604 Internal Control Module Random Access Memory (Ram) Error >> Diagnostic Method

Diagnostic Method

Judge NG when the malfunction criteria below are completed. Judge OK and clear NG when the malfunction criteria below are not completed.

Judgment Value 

MALFUNCTION CRITERIA AND THRESHOLD VALUE

Malfunction Criteria Threshold Value
Sum of RAM data after data clear Not read correctly

Time Needed for Diagnosis:  Undecided

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

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