Oxygen Sensor: Testing and Inspection

INSPECTION

INSPECT AIR FUEL RATIO SENSOR







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

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

INSPECT HEATED OXYGEN SENSOR (for Bank 1 Sensor 2)







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

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

INSPECT HEATED OXYGEN SENSOR (for Bank 2 Sensor 2)







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

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