Heated Oxygen Sensor (For Sensor 2) On-Vehicle Inspection

Engine. Lexus Is250, Is220D. Gse20 Ale20
4Gr-Fse Emission Control. Lexus Is250, Is220D. Gse20 Ale20

  1. INSPECT HEATED OXYGEN SENSOR

Heated Oxygen Sensor (For Sensor 2) -- On-Vehicle Inspection



1. INSPECT HEATED OXYGEN SENSOR

  1. Disconnect the sensor connector.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Emission Control.Emission Control System.Heated Oxygen Sensor (For Sensor 2) On-Vehicle Inspection

  1. Measure the heater resistance between terminals 1 (HT) and 2 (+B) of the sensor.

    Standard resistance:
    11 to 16 Ω at 20°C (68°F)
    If the result is not as specified, replace the sensor.