RAV4 4WD L4-2.0L (1AZ-FE) (2001)
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Oxygen Sensor: Testing and Inspection
Air-Fuel Ratio (A/F) Sensor
INSPECTION
INSPECT HEATER RESISTANCE OF A/F SENSORS
a. Disconnect the sensor connector.
b. Using an ohmmeter, measure the resistance between terminals +B and HT.
Resistance
If the resistance is not as specified, replace the sensor.
Torque: 44 N.m (450 kg.cm, 32 ft.lb)
c. Reconnect the sensor connector.
