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Home >> Lexus >> 2000 >> ES 300 V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Oxygen Sensor >> Testing and Inspection >> Heated Oxygen Sensor
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Heated Oxygen Sensor

Heated Oxygen Sensor

INSPECT HEATER RESISTANCE OF HEATED OXYGEN SENSOR (Bank 1 Sensor 2)

a. Remove the driver's seat.
b. Disconnect the oxygen sensor connector.




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

Resistance:
At 20 °C (68 °F) 11 - 16 Ohms
At 800 °C (1,472 °F) 23 - 32 Ohms

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

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

d. Reconnect the oxygen sensor connector.
e. Reinstall the driver's seat.
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