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Home >> Subaru >> 2005 >> Outback R VDC Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (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

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

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 REFERENCE

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.