Tacoma PreRunner L4-2.7L (3RZ-FE) (2004)
Oxygen Sensor: Testing and Inspection
Heated Oxygen Sensor
INSPECTION
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
If the resistance is not as specified, replace the sensor.
Torque: 20 N.m (200 kgf.cm, 14 ft.lbf)
c. Reconnect the oxygen sensor connector.
2. Bank 1 Sensor 2:
INSPECT OPERATION OF HEATED OXYGEN SENSOR