Nissan and Datsun Workshop Service and Repair Manuals > 200SX SE L4-1597cc 1.6L DOHC MFI (GA16DE) (1997) > Sensors and Switches | Sensors and Switches - Powertrain Management | Sensors and Switches - Computers and Control Systems | Oxygen Sensor | Component Information | Description and Operation | Front Heated Oxygen Sensor

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Oxygen Sensor: Description and Operation
Rear Heated Oxygen Sensor Heater

SYSTEM DESCRIPTION

The ECM performs ON/OFF control of the rear heated oxygen sensor heater corresponding to the engine conditions.

Engine speed (rpm) / Rear heated oxygen sensor heater
Above 3,200 / OFF
Below 3,200 / ON

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