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Home >> Porsche >> 2000 >> Boxster Base, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> DME 7.2 - 911 CARRERA & BOXSTER >> DTC P0154: Oxygen Sensor Ahead Of TWC, Bank 2 - Interruption Of Signal >> Diagnosis Procedure >> Check Oxygen Sensor Heating

Check Oxygen Sensor Heating

  1. Remove oxygen sensor connector 2 ahead of TWC.
  2. Connect ohmmeter to pins 1 and 2 of the oxygen sensor connector towards to oxygen sensor.

    Display: 1.0-2.6 ohms at 25° C

  3. Connect ohmmeter to pin 1 of the oxygen sensor connector towards the oxygen sensor and the oxygen sensor housing.

    Display: infinity ohms

  4. Connect ohmmeter to pin 2 of the oxygen sensor connector towards the oxygen sensor and the oxygen sensor housing.

    Display: infinity ohms

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