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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 P0030 Ho2S Heater Control Circuit (Bank 1 Sensor 1) >> Diagnostic Method

Diagnostic Method

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

Judgment Value 

JUDGMENT VALUE

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

Time Needed for Diagnosis:  10 seconds

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