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Home >> Toyota >> 2000 >> Tacoma Extra Cab 2WD L4-2.4L (2RZ-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:




Heated Oxygen Sensor:




COMPONENTS




1. INSPECT HEATER RESISTANCE OF HEATED OXYGEN SENSOR
a. Disconnect the sensor connector.
b. Using an ohmmeter, measure the resistance between 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: 20 Nm (200 kg.cm, 14 ft.lb)

c. Reconnect the oxygen sensor connector.

2. Bank 1 Sensor 1:
INSPECT OPERATION OF HEATED OXYGEN SENSOR

3. Bank 1 Sensor 2:
INSPECT OPERATION OF HEATED OXYGEN SENSOR
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