Heated Oxygen Sensor

2UZ-FE ENGINE CONTROL SYSTEM: HEATED OXYGEN SENSOR:

ON-VEHICLE INSPECTION

1. CHECK HEATED OXYGEN SENSOR
(a) Disconnect the 2 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 sensor.
(c) Connect the 2 sensor connectors.