Heated Oxygen Sensor (For Sensor 2)

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

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.