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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 P0134 O2 Sensor Circuit No Activity Detected (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 5 seconds.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Voltage >/= 10.9 V
Time after heater duty >/= 70% >/= 30 seconds
Front lambda sensor impedance >/= 500ohm

Time Needed for Diagnosis:  5 seconds

Malfunction Indicator Light Illumination:  Illuminates as soon as the malfunction occurs.