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Home >> Subaru >> 2005 >> Outback R >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0030 Ho2S Heater Control Circuit (Bank 1 Sensor 1) >> Diagnostic Method

Diagnostic Method

Judge NG when the continuous time of completing the malfunction criteria below becomes more than the time needed for diagnosis (10 seconds). Judge OK and clear NG when the continuous time of not completing the malfunction criteria below becomes more than the time needed for diagnosis (10 seconds).

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Impedance of front oxygen (A/F) sensor > 50

Time Needed for Diagnosis:  10 seconds

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