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Home >> Subaru >> 2006 >> Outback R >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0030 Ho2S Heater Control Circuit (Bank 1 Sensor 1) >> Diagnostic Method

Diagnostic Method

Judge as NG when the continuous time of meeting the malfunction criteria below becomes more than the time needed for diagnosis (10 seconds). Judge as OK and clear the 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 CHART

Malfunction Criteria Threshold Value
Front oxygen (A/F) sensor impedance > 50 Ω

Time Needed for Diagnosis:  10 seconds

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