Heated Oxygen Sensor

HEATED OXYGEN SENSOR (Bank 1 Sensor 1/Except Calif.)

INSPECTION

1. INSPECT HEATER RESISTANCE OF HEATED OXYGEN SENSOR
a. Disconnect the oxygen sensor connector.




b. Using an ohmmeter, measure the resistance between terminals +B and HT.

Resistance: 11 - 16 Ohms at 20 °C (68 °F)

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

Torque: 44 Nm (450 kg.cm, 32 ft.lb)

c. Reconnect the oxygen sensor connector.

2. INSPECT OPERATION OF HEATED OXYGEN SENSOR