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Home >> Lexus >> 2007 >> GS 350 RWD >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Emission Control (2GR-FSE) >> Heated Oxygen Sensor >> On-Vehicle Inspection

On-Vehicle Inspection

  1. CHECK HEATED OXYGEN SENSOR 
    1. Disconnect the sensor connector.
    2. Measure the heater resistance of the sensor.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      1 (HT) - 2 (+B) 20°C (68°F) 11 to 16 Ω

      If the result is not as specified, replace the sensor.

    Fig 1: Identifying Connector Terminals Heated Oxygen Sensor
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