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Oxygen Sensor: Testing and Inspection

INSPECTION

HEATED OXYGEN SENSOR (Bank 1, Sensor 1, Bank 2 Sensor 1):

- Disconnect the oxygen sensor connectors.

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

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

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

Torque: 44 Nm (31 ft lb)

- Reconnect the oxygen sensor connectors.

HEATED OXYGEN SENSOR (Bank 1 Sensor 2)

COMPONENTS FOR REMOVAL AND INSTALLATION
- Remove the passenger's seat.
- Take out the console box side of the floor carpet.
- Disconnect the oxygen sensor connector.

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

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

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

Torque: 44 Nm (31 ft lb)

- Reconnect the oxygen sensor connector.
- Reinstall the floor carpet.
- Reinstall the passenger's seat.