Nissan and Datsun Workshop Service and Repair Manuals > 200SX L4-1998cc 2.0L DOHC MFI (SR20DE) (1995) > 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
Front Heated Oxygen Sensor Heater

FRONT HEATED OXYGEN SENSOR HEATER (DTC: P0135)

The Engine Control Module (ECM) performs ON/OFF control of the front heated oxygen sensor heater corresponding to the engine conditions.

OPERATION

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