Heated Oxygen Sensor 2 Heater: Operation

Engine speed RPM	Heated oxygen sensor 2 heater
Above 3, 600	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