Heated Oxygen Sensor

2UZ-FE ENGINE CONTROL: HEATED OXYGEN SENSOR: ON-VEHICLE INSPECTION

ON-VEHICLE INSPECTION

1. CHECK HEATED OXYGEN SENSOR
(a) Disconnect the 2 heated oxygen sensor connectors.






(b) Measure the heater resistance according to the value(s) in the table below.
Standard Resistance (for Bank 1 Sensor 2):






Standard Resistance (for Bank 2 Sensor 2):





If the result is not as specified, replace the heated oxygen sensor.
(c) Connect the 2 heated oxygen sensor connectors.