Lexus IS250 IS220d GSE20 ALE20-4GR-FSE EMISSION CONTROL-HEATED OXYGEN SENSOR (for Sensor 2)-Heated Oxygen Sensor (For Sensor 2) - On-Vehicle Inspection

Lexus IS250 IS220d GSE20 ALE20 4GR-FSE EMISSION CONTROL

HEATED OXYGEN SENSOR (for Sensor 2) - ON-VEHICLE INSPECTION

1. INSPECT HEATED OXYGEN SENSOR

Disconnect the sensor connector.

Heated Oxygen Sensor (For Sensor 2) - On-Vehicle Inspection. 4GR-FSE EMISSION CONTROL. Lexus IS250 IS220d GSE20 ALE20

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.