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Home >> Subaru >> 2005 >> Outback R VDC Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO U5 (PZEV))) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0604 Internal Control Module Random Access Memory (Ram) Error >> Diagnostic Method >> Abnormality Judgment

Abnormality Judgment

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

Judge NG when the malfunction criteria below are completed.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Main CPU normal RAM abnormality  
Write 5AA5A55A, and read out. (All area of RAM) Cannot be read out 5AA5A55A.
Or write A55A5AA5, and read out. (All area of RAM) Cannot be read out A55A5AA5.
Sub CPU normal RAM abnormality.  
Write 5AA5, and read out. (All area of RAM) Cannot be read out 5AA5.
Or write A55A, and read out. (All area of RAM) Cannot be read out A55A.

Time Needed for Diagnosis:  To be determined.

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