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Home >> Subaru >> 2006 >> Baja Turbo, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0691 - Cooling Fan 1 Control Circuit Low - >> Diagnostic Method

Diagnostic Method

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Judge NG when the continuous time until completing the malfunction criteria below becomes more than the time (2.5 seconds) needed for diagnosis, and also judge OK when the malfunction criteria below is not completed. And then clear NG.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Terminal voltage level when ECM transmits OFF signal Low level

Time Needed for Diagnosis  : 2.5 seconds

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