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Home >> Nissan-Datsun >> 2015 >> Sentra SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) >> System Description >> Component Parts >> Heated Oxygen Sensor 2 >> Heated Oxygen Sensor 2 Heater
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Heated Oxygen Sensor 2 Heater

Heated oxygen sensor 2 heater is integrated in the sensor.

The ECM performs ON/OFF control of the heated oxygen sensor 2 heater corresponding to the engine speed, amount of intake air and engine coolant temperature.

Engine speed Heated oxygen sensor 2 heater
Above 3, 600 RPM OFF
Below 3, 600 RPM after the following conditions are met.
  • Engine: After warming up
  • Keeping the engine speed between 3, 500 and 4, 000 RPM for 1 minute and at idle for 1 minute under no load
 ON
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