Lexus IS250 · Service Manual ENGINE

ON-VEHICLE INSPECTION

Inspection


INSPECT HEATED OXYGEN SENSOR

  1. Disconnect the sensor connector.

  1. A104021E01
    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.

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