toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Throttle Position Sensor > < Air-Fuel Ratio (A/F) Sensor
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Oxygen Sensor: Testing and Inspection
Heated Oxygen Sensor

INSPECTION

INSPECT HEATER RESISTANCE OF OXYGEN SENSOR

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.

Throttle Position Sensor > < Air-Fuel Ratio (A/F) Sensor