Highlander 2WD L4-2.4L (2AZ-FE) (2001)
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Oxygen Sensor: Testing and Inspection
Heated Oxygen Sensor
INSPECT HEATER RESISTANCE OF OXYGEN SENSORS
a. Disconnect the oxygen sensor connector.
b. Using an ohmmeter, measure the resistance between the terminals +B and HT.
Resistance: 11 - 16 ohms at 20 °C (68 °F)
If the resistance is not as specified, replace the sensor.
c.
Reconnect the oxygen sensor connector.
