Heated Oxygen Sensor (For Sensor 2)

4GR-FSE EMISSION CONTROL: HEATED OXYGEN SENSOR (for Sensor 2): ON-VEHICLE INSPECTION

1. INSPECT HEATED OXYGEN SENSOR

(a) Disconnect the sensor connector.

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





Standard resistance:

5 to 10 Ohms at 20°C (68°F)

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